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Algorithms
Algorithms
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Recursion
Asymptotic notation
Asymptotic notation
Asymptotic Notation
Space complexity
Time Complexity
Np completeness
Np completeness
Exponential Time
NP Completeness
Polynomial Time
Data structures
Data structures
Data Structure
Search
Deque
Deque
Deque (Double-ended Queue)
Graph
Graph
Graph
List
List
Array List
Linked List
List
Map
Map
Map
Impl
Impl
Hash Table
Priority queue
Priority queue
Priority Queue
Restoration
Impl
Impl
Heap
Queue
Queue
Queue
Set
Set
Set
Impl
Impl
Set
Stack
Stack
Stack
Tree
Tree
Tree
B tree
B tree
B-tree
Binary search tree
Binary search tree
Balance
Binary Search Tree (BST)
Merkle tree
Merkle tree
Merkle Tree
N ary tree
N ary tree
Binary Tree
Generic Tree
Trie
Trie
Trie
Patterns
Patterns
Patterns
Backtracking
Backtracking
Backtracking
Binary search
Binary search
Binary search
Dfs
Dfs
course schedule
course schedule
Course Schedule
lowest common ancestor of a binary tree
lowest common ancestor of a binary tree
Lowest Common Ancestor of a Binary Tree
Dynamic programming
Dynamic programming
Dynamic Programming
Memoization
house robber
house robber
House Robber
Knapsack
Knapsack
Knapsack Problem (Problema da mochila)
Traveling salesman
Traveling salesman
Traveling Salesman (TSP)
Greedy
Greedy
Greedy Algorithms
jump game
jump game
Jump Game
merge intervals
merge intervals
Merge Intervals
Hashing
Hashing
Valid anagram
Valid anagram
Question
Heap
Heap
find median from data stream
find median from data stream
Find Median from Data Stream
Dijkstra
Dijkstra
A*
Dijkstra Algorithms
Others
Others
Fizz buzz
Fizz buzz
Question
Load balancer
Load balancer
Load Balancer
Url shortener
Url shortener
URL Shortener
Prefix sums
Prefix sums
subarray sum equals k
subarray sum equals k
Subarray Sum Equals K
Sliding window
Sliding window
Sliding window
Stack
Stack
daily temperatures
daily temperatures
Daily Temperatures
valid parentheses
valid parentheses
Valid Parentheses
Two pointers
Two pointers
Two pointers
Chunk array
Chunk array
Question
Encode and decode strings
Encode and decode strings
String encoding & decoding
Reverse integer
Reverse integer
Question
Reverse string
Reverse string
Question
Valid palindrome
Valid palindrome
Question
Sorting
Sorting
Sorting
Bubble sort
Bubble sort
Bubble Sort
Counting sort
Counting sort
Counting Sort
Heap sort
Heap sort
Heap Sort
Insertion sort
Insertion sort
Insertion Sort
Merge sort
Merge sort
Merge Sort
Quick sort
Quick sort
Partitioning
Quick Sort
Selection sort
Selection sort
Selection Sort
Cicd
Cicd
Canary Deployment
CI/CD (Continuous Integration / Continuous Delivery)
State Management
Continuous Integration & Delivery
Argo
Argo
Argo Project
Argo cd
Argo cd
Argo CD
Api resources
Api resources
AppProject
Application
Cli
Cli
account
app
login
proj
Argo events
Argo events
Argo Events
Argo rollouts
Argo rollouts
Argo Rollouts
Argo workflows
Argo workflows
Argo Workflows
Api resources
Api resources
ClusterWorkflowTemplate
Workflow
WorkflowTemplate
Cli
Cli
argo delete
argo get
argo list
argo logs
argo submit
Flux
Flux
Flux CLI
Git
Git
Git Hook
Cli
Cli
Branches
Branches
branch
checkout-index
checkout
cherry-pick
diff
filter-branch
merge
rebase
Extensions
Extensions
annex
lfs
Logs
Logs
log
reflog
shortlog
Objects
Objects
cat-file
commit
hash-object
mktree
tag
Git pack file
Patches
Patches
am
am
format patch
Remote
Remote
clone
fetch
ls-remote
pull
push
remote
Repository
Repository
bisect
gc
reset
rev-list
rev-parse
revert
show-ref
show
status
submodule
Setup
Setup
archive
config
init
Configure SSH
Staging area
Staging area
add
clean
ls-files
ls-tree
read-tree
restore
rm
stash
Concepts
Concepts
Git
Git Objects
Git areas
HEAD
Branches
Git merge
Remote Repositories
Git pull
Fork
Tags
rebase
Git ignore
Branching Strategies
Github
Github
Forking
Github
Git issues
Pull Request
Actions
Actions
GitHub Action
Contexts
Expressions
Commands
Templates
Artifacts
Environments
Cli
Cli
gh api
gh auth
gh pr
gh repo
Integrations
Integrations
GitHub App
OAuth App
Auth
Pages
Pages
Github Pages
Gitlab
Gitlab
Gitlab Server
Jenkins
Jenkins
Jenkins Installation
Cli
Cli
help
Credentials
Credentials
create-credentials-by-xml
create-credentials-domain-by-xml
get-credentials-as-xml
get-credentials-domain-as-xml
import-credentials-as-xml
list-credentials-as-xml
list-credentials-context-resolvers
list-credentials-providers
list-credentials
Job
Job
build
console
create-job
get-job
list-jobs
Management
Management
restart
safe-restart
who-am-i
Plugin
Plugin
disable-plugin
enable-plugin
install-plugin
list-plugins
Concepts
Concepts
Jenkins job
Plugins
Credentials
configure
configureSecurity
configureTools
computer
Source Code Management
CI/CD
Samples
Samples
01.job
01.job
Jenkins job
02.ssh
02.ssh
Run a script in a remote machine via ssh
03.aws
03.aws
Jenkins & MySQL & Ubuntu with connection to AWS
04.ansible
04.ansible
Jenkins with ansible
05.rbac
05.rbac
Jenkins security
06.envs
06.envs
Environment variables in Jenkins
07.job trigger
07.job trigger
Job triggering in Jenkins
08.mailing
08.mailing
Mailing
09.pipeline
09.pipeline
Jenkins pipeline example
Keptn
Keptn
Keptn
Shipyard manifest
Lighthouse
Remediation
Tekton
Tekton
Tekton
Cli
Cli
pipelinerun
pipelines
Crd
Crd
Pipeline
Pipeline
Task
Travis
Travis
AWS Keys on Travis
Cloud
Cloud
Cloud
Aws
Aws
Concepts
Concepts
AWS CLI
Caching Use Cases
Certifications
Data Transfer
Disaster Recovery
Infrastructure
High Performance Computing (HPC)
Pricing
Shared Responsibility Model
Well Architected Framework
Services
Services
Analytics
Analytics
AWS Glue
AWS Glue
AWS::Glue::Crawler
AWS::Glue::Job
Amazon Athena
Amazon Athena
AWS::Athena::PreparedStatement
AWS::Athena::WorkGroup
Amazon Data Firehose
Amazon Data Firehose
AWS::KinesisFirehose::DeliveryStream
Amazon EMR
Amazon EMR
AWS::EMR::Cluster
Amazon Kinesis
Amazon Kinesis
AWS::Kinesis::Stream
AWS::Kinesis::StreamConsumer
Cli
Cli
aws kinesis
Amazon Managed Service for Apache Flink
Amazon Managed Service for Apache Flink
AWS::KinesisAnalyticsV2::Application
Amazon OpenSearch Service
Amazon OpenSearch Service
AWS::Elasticsearch::Domain
Amazon Redshift
Amazon Redshift
AWS::Redshift::Cluster
Application Integration
Application Integration
AWS Step Functions
AWS Step Functions
AWS::StepFunctions::StateMachine
Amazon EventBridge
Amazon EventBridge
AWS::Events::EventBus
AWS::Events::Rule
Amazon MQ
Amazon MQ
AWS::AmazonMQ::Broker
Amazon SNS
Amazon SNS
AWS::SNS::Subscription
AWS::SNS::Topic
Amazon SQS
Amazon SQS
AWS::SQS::Queue
AWS::SQS::QueuePolicy
Cli
Cli
aws sqs
Business Applications
Business Applications
Amazon SES
Amazon SES
AWS::SES::EmailIdentity
AWS::SES::Template
Simple Email Service
Cloud Financial Management
Cloud Financial Management
AWS Billing and Cost Management
AWS Billing and Cost Management
AWS::Budgets::Budget
AWS::CE::AnomalyMonitor
Billing and Cost Management
Compute
Compute
AWS Batch
AWS Batch
AWS::Batch::JobDefinition
AWS Elastic Beanstalk
AWS Elastic Beanstalk
AWS::ElasticBeanstalk::Application
AWS::ElasticBeanstalk::ApplicationVersion
AWS::ElasticBeanstalk::ConfigurationTemplate
AWS::ElasticBeanstalk::Environment
AWS Lambda
AWS Lambda
AWS::Lambda::Function
aws lambda
Amazon EC2
Amazon EC2
AWS::EC2::CapacityReservation
AWS::EC2::Host
AWS::EC2::Instance
AWS::EC2::LaunchTemplate
AWS::EC2::PlacementGroup
AWS::EC2::SpotFleet
Cli
Cli
aws ec2
Containers
Containers
Amazon ECR
Amazon ECR
AWS::ECR::Repository
Cli
Cli
aws ecr
Amazon ECS
Amazon ECS
AWS::ECS::Cluster
AWS::ECS::Service
AWS::ECS::TaskDefinition
Amazon EKS
Amazon EKS
AWS::EKS::AccessEntry
AWS::EKS::Addon
AWS::EKS::Cluster
AWS::EKS::FargateProfile
AWS::EKS::IdentityProviderConfig
AWS::EKS::Nodegroup
AWS::EKS::PodIdentityAssociation
Cli
Cli
aws eks
Eksctl
Eksctl
eksctl create
eksctl delete
eksctl get
eksctl utils
Controllers
Controllers
aws-ebs-csi-driver
aws-load-balancer-controller
Cluster Autoscaler
external-dns
Permissions
Permissions
Access to aws
Access to aws
IAM roles for service accounts (IRSA)
EKS Pod Identity
Access to kubernetes
Access to kubernetes
Access Entries (EKS API)
IAM Principal Authentication via ConfigMap
OIDC Provider Authentication
Cryptography & PKI
Cryptography & PKI
AWS Certificate Manager
AWS Certificate Manager
AWS::CertificateManager::Certificate
AWS KMS
AWS KMS
AWS::KMS::Key
AWS::KMS::ReplicaKey
Cli
Cli
aws kms
Customer Enablement
Customer Enablement
Support Case
Database
Database
Amazon Aurora
Amazon Aurora
Aurora
Amazon DynamoDB
Amazon DynamoDB
AWS::DAX::Cluster
AWS::DynamoDB::GlobalTable
AWS::DynamoDB::Table
Cli
Cli
aws dynamodb
Amazon ElastiCache
Amazon ElastiCache
AWS::ElastiCache::CacheCluster
Amazon Neptune
Amazon Neptune
AWS::Neptune::DBCluster
Amazon RDS
Amazon RDS
AWS::RDS::DBInstance
Developer Tools
Developer Tools
AWS CodeBuild
AWS CodeBuild
AWS::CodeBuild::Project
AWS CodeCommit
AWS CodeCommit
AWS::CodeCommit::Repository
AWS CodeDeploy
AWS CodeDeploy
AWS::CodeDeploy::Application
AWS CodePipeline
AWS CodePipeline
AWS::CodePipeline::Pipeline
AWS DevOps Agent
AWS DevOps Agent
AWS::DevOpsAgent::AgentSpace
AWS::DevOpsAgent::Association
AWS::DevOpsAgent::Service
aws devops-agent
Setup
Associations
Associations
AWS Account
Github Repo
MCP Server
Webhooks
AWS Fault Injection Service
AWS Fault Injection Service
AWS::FIS::ExperimentTemplate
Cli
Cli
aws fis
AWS X Ray
AWS X Ray
AWS::XRay::Group
End User Computing
End User Computing
Amazon WorkSpaces
Amazon WorkSpaces
AWS::WorkSpaces::Workspace
Front End Web & Mobile
Front End Web & Mobile
AWS AppSync
AWS AppSync
AWS::AppSync::GraphQLApi
Machine Learning
Machine Learning
Party Rock
Amazon Bedrock
Amazon Bedrock
AWS::Bedrock::Agent
AWS::Bedrock::Guardrail
AWS::Bedrock::KnowledgeBase
Amazon Bedrock
Amazon Q
Amazon Q
AWS::QBusiness::Application
AWS::QBusiness::DataSource
AWS::QBusiness::Plugin
AWS::QBusiness::Retriever
AWS::QBusiness::WebExperience
Amazon Q Developer
Amazon Q
Management & Governance
Management & Governance
AWS AppConfig
AWS AppConfig
AWS::AppConfig::ConfigurationProfile
AWS CloudFormation
AWS CloudFormation
AWS::CloudFormation::Stack
AWS::CloudFormation::StackSet
Cli
Cli
aws cloudformation
AWS CloudTrail
AWS CloudTrail
AWS::CloudTrail::Trail
Event History
Cli
Cli
cloudtrail
AWS OpsWork
AWS OpsWork
AWS::OpsWorks::App
AWS Organizations
AWS Organizations
AWS::Organizations::Account
AWS::Organizations::Organization
AWS::Organizations::OrganizationalUnit
Multi Account Strategies
Service Control Policies (SCP)
Sign In
Cli
Cli
organizations
AWS Systems Manager
AWS Systems Manager
AWS::SSM::Parameter
Cli
Cli
aws ssm
Amazon CloudWatch
Amazon CloudWatch
AWS::CloudWatch::Alarm
AWS::CloudWatch::Dashboard
AWS::CloudWatch::InsightRule
AWS::CloudWatch::MetricStream
AWS::Logs::LogGroup
AWS::Logs::MetricFilter
AWS::Logs::QueryDefinition
Cli
Cli
aws cloudwatch
aws logs
Insights
Insights
Container Insights
EKS Addon: CloudWatch Observability
Logs Insights
Auto Scaling
Auto Scaling
AWS::AutoScaling::AutoScalingGroup
AWS::AutoScaling::LaunchConfiguration
AWS::AutoScaling::LifecycleHook
AWS::AutoScaling::ScalingPolicy
AWS::AutoScaling::ScheduledAction
Migration & Transfer
Migration & Transfer
AWS DataSync
AWS DataSync
AWS::DataSync::Task
AWS Transfer Family
AWS Transfer Family
AWS::Transfer::Server
Networking & Content Delivery
Networking & Content Delivery
AWS Direct Connect
AWS Direct Connect
Direct Connect (DX)
AWS Global Accelerator
AWS Global Accelerator
AWS::GlobalAccelerator::Accelerator
AWS::GlobalAccelerator::EndpointGroup
AWS::GlobalAccelerator::Listener
Amazon API Gateway
Amazon API Gateway
AWS::ApiGatewayV2::Api
AWS::ApiGatewayV2::Authorizer
AWS::ApiGatewayV2::Integration
Amazon CloudFront
Amazon CloudFront
AWS::CloudFront::Distribution
AWS::CloudFront::PublicKey
Amazon Route 53
Amazon Route 53
AWS::Route53::HealthCheck
AWS::Route53::HostedZone
AWS::Route53::RecordSet
aws route53
Finding a resource out of a hostname
Route 53
Amazon VPC
Amazon VPC
AWS::EC2::CustomerGateway
AWS::EC2::EIP
AWS::EC2::EgressOnlyInternetGateway
AWS::EC2::FlowLog
AWS::EC2::InternetGateway
AWS::EC2::NatGateway
AWS::EC2::NetworkAcl
AWS::EC2::NetworkInterface
AWS::EC2::RouteTable
AWS::EC2::SecurityGroup
AWS::EC2::Subnet
AWS::EC2::TrafficMirrorSession
AWS::EC2::TransitGateway
AWS::EC2::VPC
AWS::EC2::VPCCidrBlock
AWS::EC2::VPCEndpoint
AWS::EC2::VPCEndpointService
AWS::EC2::VPCPeeringConnection
AWS::EC2::VPNConnection
AWS::EC2::VPNGateway
VPC Networking Fundamentals
VPC Sharing
Elastic Load Balancing
Elastic Load Balancing
AWS::ElasticLoadBalancing::LoadBalancer
AWS::ElasticLoadBalancingV2::Listener
AWS::ElasticLoadBalancingV2::ListenerRule
AWS::ElasticLoadBalancingV2::LoadBalancer
AWS::ElasticLoadBalancingV2::TargetGroup
Types
Types
Application Load Balancer (ALB)
Gateway Load Balancer (GWLB)
Network Load Balancer (NLB)
Types
Security, Identity, & Compliance
Security, Identity, & Compliance
AWS CloudHSM
AWS CloudHSM
CloudHSM
AWS Directory Service
AWS Directory Service
AWS::DirectoryService::MicrosoftAD
AWS::DirectoryService::SimpleAD
AWS Firewall Manager
AWS Firewall Manager
AWS::FMS::Policy
AWS IAM Identity Center
AWS IAM Identity Center
AWS::SSO::Instance
AWS Identity and Access Management
AWS Identity and Access Management
AWS::AccessAnalyzer::Analyzer
AWS::IAM::AccessKey
AWS::IAM::Group
AWS::IAM::ManagedPolicy
AWS::IAM::OIDCProvider
AWS::IAM::Policy
AWS::IAM::Role
AWS::IAM::SAMLProvider
AWS::IAM::User
AWS::IAM::VirtualMFADevice
Credentials Report
Cli
Cli
aws iam
aws sts
Identity
Identity
Identity federation
Security Token Service (STS)
Permissions
Permissions
Cross-account Permissions
Effective Permissions
AWS Resource Access Manager
AWS Resource Access Manager
AWS::RAM::ResourceShare
AWS Secrets Manager
AWS Secrets Manager
AWS::SecretsManager::Secret
aws secretsmanager
Amazon Cognito
Amazon Cognito
AWS::Cognito::IdentityPool
AWS::Cognito::UserPool
Amazon GuardDuty
Amazon GuardDuty
AWS::GuardDuty::Detector
Amazon Inspector
Amazon Inspector
AWS::InspectorV2::CisScanConfiguration
Amazon Macie
Amazon Macie
AWS::Macie::Session
Storage
Storage
AWS Backup
AWS Backup
AWS::Backup::BackupPlan
AWS Database Migration Service
AWS Database Migration Service
Database Migration Service (DMS)
AWS Snowball Edge
AWS Snowball Edge
AWS Snow Family
AWS Storage Gateway
AWS Storage Gateway
Storage Gateway
Amazon EBS
Amazon EBS
AWS::EC2::Volume
Amazon EFS
Amazon EFS
AWS::EFS::FileSystem
AWS::EFS::MountTarget
Amazon FSx
Amazon FSx
AWS::FSx::FileSystem
Amazon S3
Amazon S3
AWS::S3::Bucket
AWS::S3::BucketPolicy
Cli
Cli
aws s3
aws s3
Azure
Azure
Cli
Cli
Powershell
Powershell
AzAccount
AzApiManagement
AzAppServicePlan
AzDisk
AzImage
AzKeyVault
AzNetworkSecurityGroup
AzPrivateDnsZone
AzResourceGroup
AzResourceGroupDeployment
AzRoleDefinition
AzureStorageAccount
AzVm
AzVmss
AzWebApp
Install Module
Shell
Shell
Account
acr
ad
aks
appservice
container
cosmosdb
eventgrid
Resource Group
monitor
network
role
servicebus
storage
vm
vmss
webapp
Cloud concepts
Cloud concepts
Azure Fundamentals (AZ-900)
Cloud concepts
Azure services
Azure Core Solutions
General and Network Security Features
Identity, governance, privacy and compliance
Cost Management and Service Level Agreements
Devops
Devops
Azure DevOps
Source Control Management (SCM)
Dependency Management
Pipelines
Release Pipelines
Security
Package versioning, security and compliance
CI/CD
Feature flag
Monitoring
Infrastructure as Code
DevSecOps
Optimize Feedback Mechanisms
Terraform
Terraform
Azure Terraform
Resources
Resources
Arm
Arm
Template deployment
Compute
Compute
Virtual Machines
Availability sets
Virtual Machine Scale Set
Custom image
Proximity Placement Group
App Service Plan
Web App
App configuration
Container
Function App
Logic App
Azure Kubernetes Service
Tags
Identity
Identity
Azure Active Directory
Azure Active Directory - Application
Subscriptions
Management group
IAM (Identity Access Manager)
Authentication
Monitoring
Monitoring
Azure Monitor
Log Analytics Workspace
Event hub Namespace
Stream analytics job
Dashboard
Application insights
Advisor
Azure Policy
Cost Management & Billing
Notification Hubs
Networking
Networking
Virtual network
Virtual Network Interface
Public IP address
Network Security Group
Load balancer
Application Gateway
Virtual Network Gateway
Local Network Gateway
Virtual WAN
Express Route
Network Watcher
Route Table
Jump server
Azure Firewall
Azure DNS zone
Private DNS Zone
Azure Front Door
API Management Service
Content Delivery Network (CDN)
Storage
Storage
Disk
Recovery Services Vault
Storage Account
Blob storage
Files shares storage
Storage Account - Queues
Table storage
SQL Database
Cosmos DB
Azure Cache for Redis
Container registry
Key vault
Data Factory
Azure File Sync
Service Bus
Queue
Service Bus Topic
Azure Event Grid System Topic
Azure Event Hub
Azure Database for MySQL
Digital ocean
Digital ocean
Digital Ocean App Deployment
Create kubernetes context
Google cloud
Google cloud
Gcloud account
Google Kubernetes Engine (GKE)
Project
Cli
Cli
Install
gcloud auth
gcloud container
gcloud iam
gcloud init
Firebase
Firebase
Firebase
Cli
Cli
deploy
emulators
init
Products
Products
Build
Build
Firestore
Engage
Engage
Firebase Cloud Messaging (FCM)
Release&monitor
Release&monitor
Crashlytics
Heroku
Heroku
Installation
Linode
Linode
Linode
Openstack
Openstack
Openstack
Compilers
Compilers
Abstract Syntax Tree (AST)
Build System
LLVM (Low Level Virtual Machine)
Data
Data
Data analytics
Data analytics
Data-driven organization
Etl
Etl
Batch vs. Stream Processing
ETL (Extract, Transform, Load)
Lambda Architecture
Hadoop
Hadoop
Hadoop
Installation
Cli
Cli
hadoop
hdfs
Components
Components
Ambari
Ambari
Ambari
Hdfs
Hdfs
Hadoop Distributed File System (HDFS)
Hive
Hive
Hive
Table
Partitioning
Mapreduce
Mapreduce
MapReduce
mrjob
Pig
Pig
Apache Pig
Sqoop
Sqoop
Scoop CLI
Sqoop
Yarn
Yarn
YARN
Notebook environments
Notebook environments
Magic Commands
Notebook Environments
Databricks
Databricks
Databricks CLI
Jobs
Python modules
Python modules
Matplotlib
Matplotlib
matplotlib
Spark
Spark
Cli
Cli
spark-shell
spark-submit
Code
Code
MovieLens
Concepts
Concepts
Apache Spark
Spark server
Spark Context (sc)
Resilient Distributed Dataset (RDD)
Dataset
Machine Learning
Spark Streaming
Graphs
Database
Database
Cache Aside
CAP Theorem
Command Query Responsibility Segregation (CQRS)
Data modeling
Database Cursor
Database Paradigms
Event Sourcing
Indexes
Materialized View
Database Systems
Sharding / Partitioning
WAL (Write-Ahead Log)
Acid
Acid
ACID
Atomicity
Consistency
Durability
Isolation
Types
Types
Document oriented
Document oriented
Mongodb
Mongodb
MongoDB
MongoDB container installation
MongoDB Local Installation
Graph
Graph
Neo4j
Neo4j
Graph DB
Key value
Key value
Etcd
Etcd
etcd
Redis
Redis
Redis container install
Redis local installation
Key-Value Databases
Cli
Cli
del
geo
get
hashes
hyperloglog
keys
list
pubsub
set
sortedset
strings
transaction
Relational
Relational
Relational Database Management System
Structured Query Language (SQL)
Data Types
Keys
Relationships
Database Triggers
Data Processing in RDBMS
Stored Procedures
Database Migrations
Mysql
Mysql
MySQL CLI
MySQL dialect
Install MySql
MySQL
Docker
Docker
Docker Run
Postgres
Postgres
Bootstrap - docker-entrypoint-initdb.d
Postgres CLI
Install PostgreSQL
Cloudnative pg
Cloudnative pg
Failover
CloudNativePG (CNPG)
Rolling Updates
Switchover
Sqlite
Sqlite
SQLite CLI
SQLite ORM integrations
SQLite
Search
Search
Search Engines
Elastic
Elastic
Beats
Beats
FileBeat
FileBeat
FileBeat
MetricBeat
MetricBeat
Metric beat
Elasticsearch
Elasticsearch
Elasticsearch
Elasticsearch installation
Api
Api
01.cluster
01.cluster
JSON bulk import
cat
Retrieve cluster health
Retrieve cluster information
Reindex
Elasticsearch SQL
Dataframe transforms
02.index
02.index
Close index
Index configuration
Open index
03.mapping
03.mapping
Exceptions
Mapping Field Analyzer
Mapping field index
Flattened datatype
Mapping field types
Mapping
Field relationship
04.document
04.document
Optimistic Concurrency Control
Insert document into index
Update document
05.search
05.search
Aggregation functions
n-grams
Pagination
Parent-child search
bool
Fuzzy queries
match
match_all
match_phrase
match_phrase_prefix
multi_match
prefix
wildcard
Search as you type
Sort
Broad search
06.analyze
06.analyze
Apply analyzer
Create analyzer
Data import
Data import
Logstash
Python client
Python client
Data import via python script
Python script
Python script
Data import via python client
Db
Db
Movielens
Movielens
Movie Lens
Elasticsearch with hadoop
Elasticsearch with hadoop
Elasticsearch with Hadoop MR
Kibana
Kibana
Kibana Canvas
Kibana installation
Kibana
Logstash
Logstash
Parsing unstructured data with GROK
Logstash installation
Logstash
Logstash plugins
Syslog
Nestjs logging elk
Nestjs logging elk
Example of configuration ELK + Filebeat for docker logs (json format)
Extensions
Extensions
Index
Apm server
Apm server
APM Server extension
Curator
Curator
Curator
Logspout
Logspout
Logspout extension
Opensearch
Opensearch
OpenSearch
Vector
Vector
Pinecope
Messaging
Messaging
Message Broker
Kafka
Kafka
Kafka
Brokers
Topics
Producer
Consumer
Strimzi
Schema Registry
Avro
Rest Proxy
Kafka Connect
Kafka Streams
Mirror Maker
Kafka Security
Cli
Cli
ACL
kafka-broker-api
kafka-configs
Kafka Console Consumer
Kafka Console Producer
Kafka Consumer Groups
Kafka preferred replica election
kafka-reassign-partitions
Kafka run class
Kafka topics
kafkacat
Installation
Installation
Kafka Setup
Confluent CLI
Kafka Docker
Properties
Properties
Properties
Storage
Storage
Blob
Distributed File Storage
Object Store
Peer-to-peer
Rclone
Rclone
Copy Options
Sync Options
Management
Management
completion
config
cryptcheck
Read
Read
rclone cat
rclone check
rclone lsf
rclone ncdu
rclone size
rclone tree
Remotes
Remotes
about
cleanup
listremotes
mount
serve
Write
Write
rclone copy
rclone dedupe
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rclone deletefile
moveto
rclone purge
rclone sync
Rsync
Rsync
rsync
Dev tools
Dev tools
Language Server Protocol
Atlassian
Atlassian
Jira CLI
Atlassian MCP
Jira
Google workspace
Google workspace
Google Workspace MCP
Ide
Ide
Emacs
Emacs
doom
emacs
emacsclient
Neovim
Neovim
Commands
vi
Movements
Vim
Vscode
Vscode
vscode
Literature
Literature
Engineers
Packaging
Packaging
Software licensing
Semantic Versioning (semver)
Slack
Slack
Block Kit
Slack MCP
slack
Web API
Distributed systems
Distributed systems
Case studies
Case studies
Marketplace
Marketplace
Marketplace - System design
Public discussion forum
Public discussion forum
Marketplace - Public Discussion Forum
Fundamentals
Fundamentals
Concurrency in Distributed Systems
Locking
Finite state machine (FSM)
Patterns
Patterns
Distributed Systems Patterns
Communication
Communication
Event Driven Architecture
Data management
Data management
CQRS (Command Query Responsibility Segregation)
Event Sourcing
Idempotency
Message Deduplication
Saga distributed transactions pattern
Transactional Outbox
Decomposition
Decomposition
Microservices
Multi-Tier Architecture
Strangler Application Pattern
Game development
Game development
Renderers
Hardware
Hardware
Chipset
Chipset
Chipset
Cpu
Cpu
Instruction Set Architecture (ISA)
Intel
Memory
Memory
Call Stack
Heap
Peripherals
Peripherals
USB
Iam
Iam
IAM (Identity and Access Management)
Yubikey
Directory
Directory
Active Directory
LDAP (Lightweight Directory Access Protocol)
Idp
Idp
ADFS (AD Federation Services)
Keycloak
Keycloak
Keycloak
Okta
Okta
gimme-aws-creds
Okta
Oauth
Oauth
OAuth 2.1
OAuth 2.0
Tokens
Grant types
Grant types
Authorization Code
Client Credentials
Implicit Flow
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Proof Key for Code Exchange (PKCE)
Refresh token
Sso
Sso
Kerberos
OIDC (OpenID Connect)
SAML 2.0 (Security Assertion Markup Language)
Language
Language
App patterns
App patterns
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Apps
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Event driven
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Code patterns
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Behavioral
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State
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Creational
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Structural
Adapter
Bridge
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Facade
Flyweight
Proxy
Development patterns
Development patterns
Behavior Driven Development
Test Driven Development
Dsl
Dsl
Domain-Specific Language
Bash
Bash
Expansion
Fish
Fish
fish
Jq
Jq
jq
Regex
Regex
regex
Syntax
Sql
Sql
SQL
Ddl
Ddl
Data Definition Language (DDL)
Dml
Dml
Data Manipulation Language
Dql
Dql
Data Query Language (DQL)
Tcl
Tcl
Transaction Control Language (TCL)
Yq
Yq
yq
Formats
Formats
JSONPath
Markdown
Markdown
Basics
Math
Mermaid
Mermaid
Class Diagram
Entity Relationship Diagram
Flowchart
Sequence Diagram
Plist
Plist
plist
Gpl
Gpl
Programming language paradigms
Relationship
General-purpose programming languages (GPLs)
Object Oriented Programming (OOP)
SOLID
C
C
C
C
Cli
Cli
clang
cmake
gcc
C#
C#
Variables
Apps
Apps
Web
Web
Wwwroot
Wwwroot
Lib
Lib
Jquery validation
Jquery validation
The MIT License (MIT)
Dotnet
Dotnet
dotnet
new
Building
Building
build
publish
run
Packages
Packages
add
list
remove
restore
C++
C++
C++
Pass By Reference vs. Pass By Value
Standard Template Library (STL)
Cli
Cli
clang++
Clojure
Clojure
Cli
Cli
bb
clj-kondo
clj
Lein
Lein
clean
deps
install
jar
new
pom
repl
run
test-refresh
test
uberjar
lein update-in
with-profile
Plugins
Plugins
lein-ancient
lein-exec
Concepts
Concepts
Clojure
Concurrency
Java Integration
Strategy
Testing
Dependency Management
Dependency Management
Libraries
Libraries
Src
Src
Com.datomic
Com.datomic
Datomic
Basics
Datom
ACID
Indexes
Org.clojure
Org.clojure
Clojure
Clojure
Core
Core
Data
Data
Structure
Structure
Interfaces
Dart
Dart
Cli
Cli
create
pub
run
Packages
Packages
Build runner
Build runner
build_runner
Derry
Derry
CLI
Device info plus
Device info plus
device_info_plus
Firebase core
Firebase core
Firebase
Flutter
Flutter
Flutter
Widget
Responsiveness & Adaptiveness
Dart DevTools
Data Persistence
State Management
Internationalization
Testing
Cli
Cli
attach
clean
config
create
devices
doctor
emulators
packages
pub
run
test
upgrade
Localstorage
Localstorage
localstorage
Nuvigator
Nuvigator
nuvigator
Provider
Provider
provider
Shared preferences
Shared preferences
shared_preferences
Go
Go
Go
Functions
Go Routines
Go module
Cli
Cli
build
go env
fmt
get
install
mod
run
test
Java
Java
Cli
Cli
Java CLI
keytool
Concepts
Concepts
Exception categories
Java
Java
Javadoc
Unnamed classes
Maven
Maven
Lifecycle phases
Repositories
Plugins
Plugins
maven-archetype-plugin
maven-clean-plugin
maven-compiler-plugin
maven-deploy-plugin
maven-install-plugin
maven-jar-plugin
maven-project-info-reports-plugin
maven-resources-plugin
maven-site-plugin
maven-surefire-plugin
Packages
Packages
Com.google.code.gson
Com.google.code.gson
gson
Javascript
Javascript
Apps
Apps
Microservices
Microservices
Microservices
Apps
Apps
Ticketing
Ticketing
Ticketing App
Nats
Nats
NATS
Cli
Cli
Node
Node
node
Npm
Npm
npm config
init
npm login
Useful modules
Node.js
publish
Create a NPM Registry (Package)
Semantic versioning
npm show
Nvm
Nvm
nvm
Yarn
Yarn
Yarn Package Manager
Concepts
Concepts
Javascript
Testing
Debugging
Debugging
Debugger
Packages
Packages
Google maps
Google maps
Google Maps Api
Grpc
Grpc
gRPC
Jest
Jest
Jest Testing Framework
Lua
Lua
Lua
Python
Python
Python cheatsheet
Python Packages
Python
Statements
Type Hints (Type annotations)
Cli
Cli
pyenv
python
Packages
Packages
Dependency Management
Dependency Management
Ipykernel
Ipykernel
ipykernel
Jupyter Notebooks
Pip
Pip
pip cli
pip
Pipdeptree
Pipdeptree
pipdeptree
Pipenv
Pipenv
cli
pipenv
Poetry
Poetry
Poetry CLI
Uv
Uv
uv
uv
Demo application
Demo application
Application
Demo inline script
Demo inline script
Inline Script
Demo packaged application
Demo packaged application
Packaged Application
Virtualenv
Virtualenv
virtualenv
Manim
Manim
Manim
Passlib
Passlib
passlib
Pytest
Pytest
pytest
Python dotenv
Python dotenv
python-dotenv
Streamlit
Streamlit
Streamlit
Standard library
Standard library
Concurrent Execution
Concurrent Execution
Async programming
Development Tools
Development Tools
Pydoc
Pydoc
pydoc
Unittest
Unittest
unittest
Ruby
Ruby
gem
rbenv
Rust
Rust
Rust
Cli
Cli
cargo
rustc
rustup
Scala
Scala
Cli
Cli
sbt
Concept
Concept
Scala
SBT (Scala Build Tool)
Scala Worksheet
Typescript
Typescript
Apps
Apps
01.maps
01.maps
Maps app
02.sort
02.sort
Sort App
03.stats
03.stats
Football stats
04.web
04.web
Web framework
Concepts
Concepts
Packages
The Type System
Type definition file
TS configuration
Interface
Classes
enum - enumeration
Generics
Inheritance vs Composition
Decorators
Errors
Variable existence checking
Modify a type definition file
Read only
Value to boolean
Machine learning
Machine learning
Artificial Intelligence
Fine-Tuning
Foundation Model
Machine Learning
MLOps
Model performance
Types
Training a Model
Deep learning
Deep learning
Deep Learning
Transformer
Embedding
Embedding
Embeddings
Image generation
Image generation
Diffusion Models
Stable Diffusion
Llm
Llm
Large Language Models (LLM)
Tokens
Agents
Agents
Agent
Human in the loop (HITL)
Coding agents
Coding agents
cline
OpenAI Codex
Agents
cursor
Deep Agents
Opencode
Claude code
Claude code
Claude Code
Commands
MCP
Claude Plugins
Claude Rules
Skills
Subagents
Frameworks
Frameworks
Autogen
Autogen
Autogen
Langchain
Langchain
Agentic Loop
Langchain
LangGraph
Components
Components
Agentic loop
Agentic loop
ReAct Prompt
Chats
Chats
Models
Structured Output
Lcel
Lcel
LangChain Expression Language (LCEL)
Mcp
Mcp
MCP
Rag
Rag
RAG (Retrieval-augmented generation)
Components external
Components external
Langfuse
Langfuse
Langfuse
Langsmith
Langsmith
Langsmith
Tavily
Tavily
Tavily
Llamaindex
Llamaindex
Llamaindex
General assistants
General assistants
n8n
OpenClaw 🦞
Protocols
Protocols
A2A (Agent-to-Agent) protocol
Agent Client Protocol (ACP)
Agent Protocol
Context engineering
Context engineering
Compaction
Context Engineering
Function Calling
Prompt Engineering
RAG (Retrieval-Augmented Generation)
ReAct Prompt
Mcp
Mcp
Authentication
MCP Inspector
Model Context Protocol (MCP)
mcpdoc
Memory
Memory
Agents File
Memory
Skills
Generative ui
Generative ui
Other
Copilotkit
Copilotkit
CopilotKit
Models
Models
AI Gateways
LLM Stats
Ollama
Ollama
ollama CLI
Ollama
Api
Api
/api/chat
/api/embeddings
Providers
Providers
American
American
Anthropic
Anthropic
Models
Anthropic
Api
Api
/v1/messages
/v1/models
Google
Google
Google Models
Meta
Meta
Meta Models
Openai
Openai
Models
Open AI
Api
Api
OpenAI Authentication
/v1/chat/completions
/v1/embeddings
/v1/models
/v1/responses
X ai
X ai
xAI Models
Chinese
Chinese
Alibaba
Alibaba
Alibaba Models
Deepseek
Deepseek
DeepSeek Models
Minimax
Minimax
MiniMax Models
Moonshot ai
Moonshot ai
Moonshot AI Models
Zhipu ai
Zhipu ai
Zhipu AI Models
European
European
Mistral
Mistral
Mistral AI Models
Mathematics
Mathematics
Combinatorics
Combinatorics
Fundamental Principle of Counting
Arrangement
Permutation
Combination
Probability
Probability
Probability theory
Series
Series
Series
Statistics
Statistics
Mean
Median
Networking
Networking
API Gateway
Content Delivery Network (CDN)
Classless Inter-Domain Routing (CIDR)
HTML Scraping
Load Balancer
MAC (Media Access Control)
Networking
Open Systems Interconnection (OSI)
Route Table
VPN (Virtual Private Networking)
Blockchain
Blockchain
Non Fungible Token
Protocols
Protocols
Protocols
Dns
Dns
DNS (Domain Name System)
Domains
Domain Registrar
Name Server
DNS Record Types
Http
Http
Cookies
GraphQL
Media Types
OpenAPI
HTTP Status Codes
Streaming
TCP/IP frames
Ntp
Ntp
ntpq
Rdp
Rdp
remmina
xfreerdp
Tcp
Tcp
TCP
Tls
Tls
SSL (Secure Sockets Layer) / TLS (Transport Layer Security)
Certificates
HTTPS
Keystore
mTLS (Mutual TLS)
Certificate Fields
Certificate Management
TLS Termination Proxy
Websocket
Websocket
WebSocket
Proxy
Proxy
httpd
ngrok
Proxy
Observability
Observability
Instrumentation
Observability
Telemetry signals
Tools
Alerting
Alerting
Alert Manager
Collector
Collector
Open telemetry
Open telemetry
OpenTelemetry (OTel)
OTLP (OpenTelemetry Protocol)
Demo
Demo
Demo
Idp
Idp
Internal Developer Platform (IDP)
Backstage
Backstage
Backstage
Logging
Logging
Fluentd
Fluentd
Fluentd
Grafana loki
Grafana loki
Grafana Loki
Splunk
Splunk
Splunk Query Language
Splunk
Metrics
Metrics
Metrics System
Query language
Query language
Prometheus API
Query Languages
Recording rules
Metricsql
Metricsql
API
MetricsQL
Prometheus's expression language data types
Time Series Selectors
Operators
Functions
Functions
Aggregate functions
Label Manipulation Functions
Rollup functions
Transform function
Scraping
Scraping
Exposition Formats
Metrics Scraping
Tsdb
Tsdb
Time series
Time-series Database
Prometheus server
Prometheus server
Prometheus Configuration
Prometheus
Victoria metrics
Victoria metrics
Victoria Metrics
Tracing
Tracing
Grafana tempo
Grafana tempo
Grafana Tempo
Jaeger
Jaeger
Jaeger
Visualization
Visualization
Grafana
Grafana
Image Renderer
vars
Opensearch
Opensearch
OpenSearch
Operating system
Operating system
Filesystem
Filesystem
GUID Partition Table (GPT)
Zfs
Zfs
Installation
Cli
Cli
zfs
zpool
Processes
Processes
Bit Shifting
Memory
Process
Concurrency
Concurrency
Interleaving (time-slicing)
Preemption
External scheduler
Parallelism
Parallelism
Deadlocks
IO bound vs. CPU bound
Parallelism
Race condition
Resources
Task synchronization
Thread
Virtualization
Virtualization
Virtualization
Kvm
Kvm
libvirt
Virtualization packages
Qemu
Qemu
OVMF (Open Virtual Machine Firmware)
QEMU
Cli
Cli
qemu-img
qemu-system-aarch64
qemu-system-x86_64
Orchestration
Orchestration
App definition
App definition
Helm
Helm
Helm
Helm template
Cli
Cli
create
get
install
lint
list
pull
helm registry
repo
search
show
status
template
uninstall
upgrade
Sample chart
Sample chart
My awesome Helm Chart
Kustomize
Kustomize
kustomize
Kustomize.config.k8s.io
Kustomize.config.k8s.io
Kustomization
Olm
Olm
Operator Lifecycle Manager (OLM)
Oras
Oras
ORAS
Skaffold
Skaffold
Config
Skaffold
Containers
Containers
Container
OCI Image Format Specification
Docker
Docker
Container Registries
Installation
Apps
Apps
03.react webapp
03.react webapp
Setup
Cli
Cli
docker events
docker info
docker login
docker logout
Container
Container
docker container attach
docker container commit
docker container cp
docker container create
docker container diff
docker container exec
docker container exists
docker container export
docker container inspect
docker container kill
docker container logs
docker container ls
docker container pause
docker container port
docker container prune
docker container rename
docker container restart
docker container rm
docker container run
docker container start
docker container stats
docker container stop
docker container top
docker container unpause
docker container update
docker container wait
Legacy
Legacy
docker attach
docker commit
docker cp
docker create
docker diff
docker exec
docker export
docker inspect
docker kill
docker logs
docker pause
docker port
docker ps
docker rename
docker restart
docker rm
docker run
docker start
docker stats
docker stop
docker top
docker unpause
docker update
docker wait
Image
Image
docker image build
docker image history
docker image import
docker image inspect
docker image load
docker image ls
docker image pull
docker image push
docker image rm
docker image save
docker image search
docker image tag
Legacy
Legacy
docker build
docker history
docker images
docker import
docker load
docker pull
docker push
docker rmi
docker save
docker search
docker tag
Network
Network
docker network connect
docker network create
docker network disconnect
docker network inspect
docker network ls
System
System
docker system df
docker system prune
Volume
Volume
docker volume
docker volume ls
Docker compose
Docker compose
Docker Compose
Docker scout
Docker scout
Docker Scout
Cli
Cli
compare
cves
Scout
recommendations
Docker swarm
Docker swarm
Cli
Cli
docker-machine
Node
Node
docker node
Secret
Secret
docker secret
Service
Service
docker service
Stack
Stack
docker stack deploy
docker stack ls
docker stack ps
docker stack services
Swarm
Swarm
docker swarm
Kaniko
Kaniko
Deploy
Podman
Podman
Installation
Podman
Cli
Cli
info
machine
system
Skopeo
Skopeo
Skopeo
Kubernetes
Kubernetes
Container Tools
Api resources
Api resources
Apps
Apps
Namespaced
Namespaced
DaemonSet (ds)
Deployment (deploy)
ReplicaSet (rs)
StatefulSet (sts)
Autoscaling
Autoscaling
Namespaced
Namespaced
HorizontalPodAutoscaler (hpa)
Batch
Batch
Namespaced
Namespaced
CronJob (cj)
Job (job)
Certificates.k8s.io
Certificates.k8s.io
Global
Global
CertificateSigningRequest (csr)
Core
Core
Global
Global
ComponentStatus (cs)
Namespace (ns)
Node (no)
PersistentVolume (pv)
Namespaced
Namespaced
Binding (binding)
Config Map (cm)
Event (ev)
LimitRange (limits)
PersistentVolumeClaim (pvc)
Pod (po)
ReplicationController (rc)
ResourceQuota (quota)
Secret (secret)
Service (svc)
ServiceAccount (sa)
External secrets.io
External secrets.io
Namespaced
Namespaced
ExternalSecret (es)
SecretStore (ss)
Gateway.networking.k8s.io
Gateway.networking.k8s.io
Namespaced
Namespaced
Gateway (gtw)
HTTPRoute
Networking.k8s.io
Networking.k8s.io
Global
Global
IngressClass (ingressclasses)
Namespaced
Namespaced
Ingress (ing)
NetworkPolicy (netpol)
Policy
Policy
Namespaced
Namespaced
PodDisruptionBudget (pdb)
Rbac.authorization.k8s.io
Rbac.authorization.k8s.io
Global
Global
ClusterRole (clusterrole)
ClusterRoleBinding (clusterrolebinding)
Namespaced
Namespaced
Role (role)
RoleBinding (rolebinding)
Storage.k8s.io
Storage.k8s.io
Global
Global
CSIDriver (csidrivers)
StorageClass (sc)
Cli
Cli
Kubeadm
Kubeadm
token
upgrade
Kubectl
Kubectl
kubectl api-resources
kubectl auth
kubectl certificate
kubectl cluster-info
kubectl config
kubectl cp
kubectl describe
kubectl diff
kubectl drain
kubectl exec
kubectl explain
kubectl get
kubectl logs
kubectl port-forward
kubectl proxy
kubectl Rollout
kubectl top
kubectl version
kubectl wait
Imperative
Imperative
kubectl annotate
kubectl apply
kubectl autoscale
kubectl cordon
kubectl create
kubectl delete
kubectl edit
kubectl expose
kubectl label
kubectl patch
kubectl replace
kubectl run
kubectl scale
kubectl set
kubectl taint
kubectl uncordon
Plugins
Plugins
oidc-plugins
Concepts
Concepts
Kubernetes Cluster Upgrade
Kubernetes
Kubernetes
Cluster Overprovisioner
Reconcile
Rightsizing
Auth
Auth
Certificates
Identity Management
Control plane
Control plane
Cloud controller manager
Cloud controller manager
cloud-controller-manager
Etcd
Etcd
Backup
etcd
Setup
Kube apiserver
Kube apiserver
Authentication
Authorization
Certificates
kube-apiserver
Setup
Kube controller manager
Kube controller manager
kube-controller-manager
Setup
Kube scheduler
Kube scheduler
kube-scheduler
Data plane
Data plane
Container runtime
Container runtime
Container Runtime
Kube proxy
Kube proxy
kube-proxy
Setup
Kubelet
Kubelet
kubelet
Setup
Interfaces
Interfaces
Container Network Interface (CNI)
Container Runtime Interface (CRI)
Container Storage Interface (CSI)
Interfaces
Minikube
Minikube
Minikube
Cli
Cli
addons
config
dashboard
delete
docker-env
ip
kubectl
service
ssh
start
status
stop
tunnel
update-context
Kubernetes controllers
Kubernetes controllers
Networking
Networking
cert-manager
CoreDNS
External DNS
ingress-nginx
Scaling
Scaling
Cluster Autoscaler
Metrics Server
Vertical Pod Autoscaler (VPA)
Karpenter
Karpenter
Disruption
Karpenter
Karpenter Nodes
Karpenter Observability
Api resources
Api resources
EC2NodeClass (ec2nc)
NodePool (nodepools)
Installation
Installation
Installation
Keda
Keda
Keda
Api resources
Api resources
ScaledObject
Traffic management
Traffic management
Cilium
Cilium
Cilium
Istio
Istio
Istio architecture
Installation
Istio Config
Istioctl
Crds
Crds
DestinationRule (dr)
ServiceEntry (se)
VirtualService (vs)
Istio CRDs
Deploys
Deploys
04.gateway
04.gateway
Gateway
Gateway
Access with Nodeport
Nodeport
Nodeport
Access with Gateway
Prefix
Prefix
Access with Gateway with prefix
05.dark release
05.dark release
Access with Gateway with prefix
Envoy
Envoy
Run Envoy Demo
Envoy
Tasks
Tasks
Observability
Observability
Jaeger
Kiali
Prometheus
Metrics
Metrics
istio_request_duration_milliseconds_sum
istio_requests_total
metrics
Security
Security
Mutual TLS
Traffic management
Traffic management
Traffic management
Circuit breaking
Circuit breaking
Circuit breaker
Egress gateway
Egress gateway
Egress Gateway
Fault injection
Fault injection
Fault injection
Service entry
Service entry
External Services
Platform
Platform
Desktop
Desktop
Cross
Cross
Electron
Electron
Electron
Tauri
Tauri
Tauri
Linux
Linux
Concepts
Concepts
Linux boot
Kernel parameters
Keyboard shortcuts
Ring
Linux OS Hardening
Storage
Variables
Display
Display
Desktop Environment
Display Manager
Display Server
GUI toolkits
Styles
Filesystem
Filesystem
File Hierarchy Standard
Immutable Linux System
Types
Types
devtmpfs
proc
sysfs
Graphics
Graphics
gamescope
Proton
steam
Processes
Processes
Control Groups (ggroups)
Namespaces
Kernel Scheduler
Security
Security
AppArmor
flatpak
SELinux
Shell
Shell
Data stream
Shell
Terminal
Virtualization
Virtualization
IOMMU (Input/Output Memory Management Unit)
Xdg
Xdg
Desktop Entry
MIME Application
Distros
Distros
Alpine
Alpine
apk
Arch
Arch
Arch installation
mac-firmware
Asahi
Asahi
Asahi
Modules
Modules
Hid
Hid
apple_bce
apple_ibridge
apple_touchbar
hid-apple
Hwmon
Hwmon
applesmc
Wifi
Wifi
brcmfmac
Debian
Debian
apt-key
apt
aptitude
Debian ISO
dkpg-deb
dpkg-query
dpkg
Fedora
Fedora
Multimedia
Packages
Packages
Packages
Audit
Audit
ausearch
Dnf
Dnf
dnf
Libselinux utils
Libselinux utils
getenforce
sestatus
Policycoreutils
Policycoreutils
fixfiles
Rpm
Rpm
rpm
Rpm ostree
Rpm ostree
rpm-ostree
Yum
Yum
yum
Nixos
Nixos
NixOS installation
Nix Ecosystem
Cli
Cli
nix-build
nix-channel
nix-collect-garbage
nix-daemon
nix-env
nix-instantiate
nix-shell
nix
nix-generate-config
nixos-help
nixos-install
nixos-option
nixos-rebuild
Flakes
Flakes
Flakes
Home manager
Home manager
Home Manager
Ostree
Ostree
Cli
Cli
ostree
Modules
Modules
amdgpu
ddcci
i2c-dev
rtl8821cu
v4l2loopback-dkms
Packages
Packages
Aur
Aur
ddccontrol
woeusb
yay
Core
Core
Acl
Acl
getfacl
setfacl
Base
Base
Bash
Bash
bash
sh
strftime
Coreutils
Coreutils
base64
basename
cat
chcon
chgrp - Change group
chmod
chown - Change ownership
chroot
comm
Copy
csplit
cut
date
dd
df (Disk Free)
dir
dirname
du (Disk Usage)
echo
env
expand
expr
factor
fmt
fold
head
id
install
join
ln - Link
ls
md5sum
mkdir
mkfifo
mktemp
mv
nice
nl
nohup
nproc
od
paste
pr
printenv
printf
pwd
Readlink
realpath
rm - Remove
rmdir
seq
shuf
sleep
slipt
sort
split
stat
tac
tail
tee
timeout
Touch
tr
truncate
tty
uname
unexpand
uniq
users
wc
who
Show the current user name
yes
File
File
file
Filesystem
Filesystem
Config
Config
/etc/fstab
/usr/lib/os-release
Findutils
Findutils
Find
xargs
Gawk
Gawk
awk
Gettext
Gettext
gettext
Glibc
Glibc
getconf
iconv
ldd
locale-gen
locale
localedef
iconv
Grep
Grep
egrep
grep (global regular expression print)
Gzip
Gzip
gzip
zcat
zgrep
zless
zmore
Iproute2
Iproute2
IP command
ss
Iputils
Iputils
ping
tracepath
Libcap
Libcap
capsh
getcap
setcap
Pacman
Pacman
makepkg
pacman-key
pacman
Pciutils
Pciutils
lspci
Procps ng
Procps ng
free
pgrep
pkill
ps (Process Status)
sysctl
top (Table of processes)
uptime
vmstat
w
watch
Psmisc
Psmisc
fuser
killall
pstree
Sed
Sed
sed (Stream Editor)
Shadow
Shadow
chage
chpasswd
gpasswd
groupadd
groupdel
groups
passwd
useradd
userdel
usermod
Systemd
Systemd
bootctl
busctl
hostnamectl
journalctl
localectl
loginctl
systemctl
timedatectl
udevadm
Config
Config
*.conf
/etc/machine-id
Systemd sysvcompat
Systemd sysvcompat
halt
init
reboot
shutdown
Tar
Tar
tar
Util linux
Util linux
blkid
cal
cfdisk
chsh
column
dmesg
eject
fallocate
fdisk
findmnt
fsck
hexdump
hwclock
kill
last
losetup
lsblk
lscpu
mkswap
more
mount
rename
rev
script
sfdisk
su
swapoff
swapon
umount
unshare
uuidgen
wall
write
Xz
Xz
xz
Base devel
Base devel
Binutils
Binutils
nm
strings
M4
M4
m4
Make
Make
make
Patch
Patch
patch
Sudo
Sudo
sudo
visudo
Which
Which
which
Btrfs progs
Btrfs progs
btrfs
mkfs.btrfs
Cronie
Cronie
crontab
Cryptsetup
Cryptsetup
cryptsetup
Initramfs Hooks
Curl
Curl
Curl
Dbus
Dbus
dbus-launch
dbus-monitor
dbus-run-session
Diffutils
Diffutils
cmp
diff
sdiff
Dosfstools
Dosfstools
dosfslabel
mkfs.fat
mkfs.vfat
E2fsprogs
E2fsprogs
chattr
e2label
mkfs.ext4
resize2fs
tune2fs
Efibootmgr
Efibootmgr
efibootmgr
Glib2
Glib2
gio
gsettings
Gnupg
Gnupg
gpg
gpgconf
Grub
Grub
grub-install
grub-mkconfig
Inetutils
Inetutils
ftp
Show the host name
telnet
Iptables
Iptables
iptables
Iw
Iw
iw
Kbd
Kbd
loadkeys
setfont
setvtrgb
Kmod
Kmod
depmod
lsmod
modinfo
modprobe
rmmod
Less
Less
less
Lvm2
Lvm2
lvcreate
lvdisplay
lvextend
lvs
pvcreate
pvdisplay
pvresize
pvs
vgcreate
vgdisplay
vgextend
vgs
Man db
Man db
apropos
man
manpath
whatis
Mkinitcpio
Mkinitcpio
mkinitcpio
Ncurses
Ncurses
Clear screen
reset
toe
Net tools
Net tools
arp
ifconfig
netstat
route
Openssh
Openssh
scp
ssh-add
ssh-agent
ssh-copy-id
ssh-keygen
ssh
Openssl
Openssl
openssl
P11 kit
P11 kit
trust
Pam
Pam
faillock
Sysfsutils
Sysfsutils
systool
Usbutils
Usbutils
lsusb
Vi
Vi
vi
Wireless tools
Wireless tools
iwconfig
Extra
Extra
Acpi
Acpi
acpi
Arch install scripts
Arch install scripts
arch-chroot
genfstab
pacstrap
Archiso
Archiso
mkarchiso
At
At
at
atq
atrm
Bind
Bind
dig
host
nslookup
Bluez utils
Bluez utils
bluetoothctl
btmgmt
btmon
Bolt
Bolt
boltctl
Brightnessctl
Brightnessctl
brightnessctl
Chntpw
Chntpw
chntpw
Cpupower
Cpupower
cpupower
Dateutils
Dateutils
dateadd
datediff
Dconf
Dconf
dconf
Ddcutil
Ddcutil
ddcutil
Desktop file utils
Desktop file utils
Manually installing apps
Dkms
Dkms
dkms
Dmidecode
Dmidecode
dmidecode
Dracut
Dracut
dracut
Ed
Ed
ed
Ethtool
Ethtool
ethtool
Exfatprogs
Exfatprogs
exfatprogs
Fdupes
Fdupes
fdupes
Ffmpeg
Ffmpeg
ffmpeg
Flatpak
Flatpak
flatpak
Fontconfig
Fontconfig
fc-list
Fzf
Fzf
fzf
Gdm
Gdm
gdm
Glmark2
Glmark2
glmark2
Gnome console
Gnome console
kgx
Gnome power manager
Gnome power manager
gnome-power-statistics
Gnome shell
Gnome shell
gnome-extensions
gnome-shell
Gnome themes exta
Gnome themes exta
gnome-themes-extra
Gnu efi
Gnu efi
gnu-efi
Gnu netcat
Gnu netcat
nc
Gparted
Gparted
gparted
gparted
Gptfdisk
Gptfdisk
cgdisk
gdisk
sgdisk
Hyprland
Hyprland
hyprctl
hyprland
Imagemagick
Imagemagick
convert
display
Indent
Indent
indent
Intel ucode
Intel ucode
intel-ucode
Iwd
Iwd
iwctl
Libinput
Libinput
libinput
Libnewt
Libnewt
whiptail
Libnotify
Libnotify
notify-send
Libpulse
Libpulse
pactl
Libvirt
Libvirt
virsh
Lsof
Lsof
lsof
Mesa
Mesa
mesa
Mesa utils
Mesa utils
glxinfo
Namcap
Namcap
namcap
Networkmanager
Networkmanager
nmcli
nmtui
Networkmanager openconnect
Networkmanager openconnect
networkmanager-openconnect
Nmap
Nmap
nmap
Ntfs 3g
Ntfs 3g
ntfs-3g
Nvidia
Nvidia
nvidia
P7zip
P7zip
7z
Pacman contrib
Pacman contrib
paccache
paclist
pactree
updpkgsums
Pass
Pass
pass
Pavucontrol
Pavucontrol
pavucontrol
Pipewire
Pipewire
pipewire
Pipewire jack
Pipewire jack
pw-jack
pw-top
Playerctl
Playerctl
playerctl
Pulseaudio
Pulseaudio
pacmd
Pwgen
Pwgen
pwgen
Reflector
Reflector
reflector
Screen
Screen
screen
Socat
Socat
socat
Stress
Stress
stress
Sway
Sway
sway
swaymsg
swaynag
Tcpdump
Tcpdump
tcpdump
Tree
Tree
tree
Unzip
Unzip
unzip
Usb modeswitch
Usb modeswitch
usb_modeswitch
Vim
Vim
xxd
Vulkan mesa layers
Vulkan mesa layers
vulkan-mesa-layers
Vulkan tools
Vulkan tools
vkcube
vulkaninfo
Wdiff
Wdiff
wdiff
Wget
Wget
wget
Wireguard tools
Wireguard tools
wg-quick
wg
Wireplumber
Wireplumber
wpctl
Wl clipboard
Wl clipboard
wl-copy
wl-paste
Xclip
Xclip
xclip
Xdg desktop portal
Xdg desktop portal
xdg-desktop-portal
Xdg user dirs
Xdg user dirs
xdg-user-dirs-update
Xdg utils
Xdg utils
xdg-mime
xdg-open
xdg-settings
Zip
Zip
zip
Zsh
Zsh
zsh
Macos
Macos
Apple Filesystem
config
everymac
Filesystem
GNU
GUI toolkits
iBoot
idevicerestore
Macintosh
Package Management
Apps
Apps
Activity Monitor
Directory Utility
Finder
Image Capture
Mail
Recovery
Recovery
Install macOS
Recovery Assistant
Recovery
Startup Disk
Startup Security Utility
Time Machine System Restore
Cli
Cli
arch
asr
bless
bputil
caffeinate
csrutil
defaults
diskutil
dscl
dsenableroot
fdesetup
hdiutil
ioreg
kextload
kextstat
kmutil
launchctl
mdfind
mdls
mount_afp
networksetup
newfs_apfs
nvram
open
osascript
otool
path_helper
pbcopy
pbpaste
pkgutil
plutil
powermetrics
profile
scutil
security
softwareupdate
spctl
sw_vers
sysadminctl
system_profiler
vifs
xattr
xip
Xcode
Xcode
xcode-select
xcodebuild
xcrun
xcversion
Packages
Packages
anylinuxfs
Jamf
linsk
Yabai
Brew
Brew
autoremove
bundle
cleanup
deps
desc
info
install
leaves
link
list
reinstall
search
switch
tap
uninstall
untap
update
upgrade
uses
Port
Port
port
Windows
Windows
Installation
Processes
Cli
Cli
ipconfig
regedit
slmgr
wmic
Mobile
Mobile
Mobile Frameworks
Android
Android
Android Debug Bridge (ADB)
Media Transfer Protocol (MTP)
Cli
Cli
sdkmanager
sdkmanager
Platform tools
Platform tools
Android Debug Bridge (ADB)
fastboot
Ios
Ios
a-shell
Wasm
Wasm
Web Assembly (WASM)
Web
Web
Bundlers
Bundlers
Vite
Vite
Vite
Front end frameworks
Front end frameworks
React
React
Create React project
Next
Next
Next JS
Vue
Vue
Vue API
Vue Instance
Vue Template
Vue component
Vue CLI
Nuxt
Nuxt
Nuxtjs
Static site generator
Static site generator
Hugo
Hugo
Hugo
config
Themes
Layout
Content
Static
Archetypes
Cli
Cli
hugo
Mkdocs
Mkdocs
Installation
mkdocs
Python Markdown
Cli
Cli
mkdocs
Web frameworks
Web frameworks
API Design
Django
Django
Django
Django Apps
Cli
Cli
django-admin
Fastapi
Fastapi
fastapi
FastAPI
Nest
Nest
NestJS
Microservices
Microservices
Grpc
Grpc
gRPC
Sample app
Sample app
Task management frontend
Task management frontend
Task Management Application Front-end
Spring
Spring
Org.eclipse.jetty
Org.eclipse.jetty
jetty
Org.springframework
Org.springframework
Java Spring
Spring container
Dependency injection
Bean scope
Bean lifecycle
Spring MVC
Spring MVC form tags
Spring MVC form validation
Hibernate
Hibernate Query Language (HQL)
Mappings
Servlet
Spring Components
Aspect-Oriented Programming
Spring Security
Spring REST
Thymeleaf
Web Service
Richardson Maturity Model
Microservices
Spring Cloud
Rest Clients
Configuration Server
Naming Server
API Gateway
Circuit Breaker
Distributed tracing
Servlet containers
Apps
Apps
08.hibernate one to many bi
08.hibernate one to many bi
App
09.hibernate one to many uni
09.hibernate one to many uni
App
18.spring boot 1
18.spring boot 1
Spring Reference Material
21.spring cloud
21.spring cloud
Ports
Demo
Demo
README
Spring boot
Spring boot
Properties
Spring Boot
Plugins
Plugins
spring-boot-maven-plugin
Starters
Starters
spring-boot-devtools
spring-boot-starter-actuator
spring-boot-starter-data-jpa
spring-boot-starter-data-rest
spring-boot-starter-parent
spring-boot-starter-security
spring-boot-starter-thymeleaf
spring-boot-starter-web
Provisioning
Provisioning
Infrastructure as Code (IaC) Tools
Ansible
Ansible
Ansible Inventory
Ansible Playbook
Pulumi
Pulumi
Pulumi
Cli
Cli
pulumi config
pulumi destroy
pulumi login
pulumi new
pulumi preview
pulumi refresh
pulumi stack
pulumi up
Terraform
Terraform
Cli
Cli
apply
destroy
init
plan
providers
refresh
show
test
validate
Concepts
Concepts
Terraform
HCL
tfstate
Terraform testing
Tf
Tf
Azurerm
Azurerm
Aks
Aks
Instructions
Resilience
Resilience
Backpressure
Performance
Rate Limiting
Resilience Lifecycle
Resilience
Scalability
Chaos engineering
Chaos engineering
Chaos Engineering
Litmus
Fault tolerance
Fault tolerance
Availability
Fault Tolerance
Load testing
Load testing
k6
Testing
Testing
Test Double
Security
Security
JWT (JSON Web Token)
Encoding
Encoding
ASCII
Base64
Hexadecimal encoding
URL Encoding (Percent-encoding)
UTF-8
Encryption&signing
Encryption&signing
Asymmetric encryption
Encryption & Signing
Symmetric encryption
Wireless encryption
Hacking
Hacking
Hacking
Timing Attacks
Torrent
Virus
Aircrack ng
Aircrack ng
aireplay-ng
airmon-ng
airodump-ng
Hashing
Hashing
Hash functions
Hashing
Vulnerabilities
Vulnerabilities
Brute-Force Attacks on Auth
CORS (Cross-Origin Resource Sharing)
CSRF (Cross-Site Request Forgery)
Security Headers
SQL Injection (SQLi)
SSRF (Server-Side Request Forgery)
Vulnerabilities
XSS (Cross-Site Scripting)
Vulnerability scanning
Vulnerability scanning
Trivy
Strategy
Strategy
Organization
Organization
C-Level Executives
Conway's Law
People management
People management
Hiring
Management
Project management
Project management
Iteration Zero (0-to-1 doc)
FMEA (Failure Mode and Effects Analysis)
GMUD (Gerenciamento de Mudanças)
Agile
Agile
Agile
Methodologies
Methodologies
Five Ws
Cyclic models
Extreme programming (XP)
Kanban
Lean Programming
Scrum
Safe
Safe
Agile
Scaled Agile Framework (SAFe)
Agile team
Agile Release Train (ART)
Solution Train
Portfolio
Safe Certification
Sdlc
Sdlc
Systems development life cycle (SDLC)
Design
Design
Scalability
System Design
Requirements analysis
Requirements analysis
Requirements
Service Level
Use Cases / User Flow / User Journey / User Story
Requirement types
Requirement types
Business Requirements
System Constraints
Functional Requirements
Non-Functional Requirements (NFRs)
Transform function
abs
cos
histogram_share
time
: current time