Python Example Code: Find out string is palindrome or not
Find out string is palindrome or not Check Whether or Not the Number is a Palindrome in Python Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge…
Python Tutorials: Difference between List & Array & Tuple & Set & Dict
List Array Tuple List is mutable Array is mutable Tuple is immutable A list is ordered collection of items An array is ordered collection of items A…
Python Tutorials: Files Operations using OS Module
File Operations using Python About Python OS Module The os module has many uses. We won’t be covering everything that it can do. Instead, we will get an overview…
Hashicorp Vault: Working with Vault Leases
Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and experiences. I have worked at Cotocus. I share tech blog at DevOps School, travel stories at Holiday…
Linux Performance Monitoring Guide
CPU Memory Network Storage Device and Input I/O Storage Capacity Storage Controller CPU Memory and I/O Interconnect Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and…
Hashicorp Vault: Install and Remove Vault
Reference – https://developer.hashicorp.com/vault/downloads Install Vault in Ubuntu Remove Install Vault in RHEL/Centos Install Vault in Windows Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and experiences….
Linux Performance Checklist Commands & Tools
Reference – https://www.brendangregg.com/USEmethod/use-linux.html The USE Method provides a strategy for performing a complete check of system health, identifying common bottlenecks and errors. For each system resource, metrics for utilization,…
Linux Tutorials: mpstat commands examples
mpstat – Report processors related statistics. The mpstat command writes to standard output activities for each available processor, processor 0 being the first one. Global average activities…
Linux Performance Observability Tools – Sar
Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and experiences. I have worked at Cotocus. I share tech blog at DevOps School, travel stories at Holiday…
Linux Performance Observability Tools
Linux Performance Commands & Tools Linux Performance Checklist – Use Method Reference Linux Performance Observability Tools – Sar vmstat mpstat iostat Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate…
Linux Tutorials: vmstat commands examples
The vmstat command (short for virtual memory statistics) is a built-in monitoring utility in Linux. Users can observe system activity virtually in real-time by specifying a sampling…
Hashicorp Vault: Linux – Lab Manual – Working with Secret Engines
Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and experiences. I have worked at Cotocus. I share tech blog at DevOps School, travel stories at Holiday…
Hashicorp Vault: Linux – Lab Manual – Working with Tokens
Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and experiences. I have worked at Cotocus. I share tech blog at DevOps School, travel stories at Holiday…
Hashicorp Vault: Windows – Lab Manual – Working with Policy
Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and experiences. I have worked at Cotocus. I share tech blog at DevOps School, travel stories at Holiday…
Hashicorp Vault: Linux – Lab Manual – Working with Policy
Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and experiences. I have worked at Cotocus. I share tech blog at DevOps School, travel stories at Holiday…
Maven Tutorials: Maven Vs Ant
Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and experiences. I have worked at Cotocus. I share tech blog at DevOps School, travel stories at Holiday…
Maven Tutorials: Archetypes & archetypeArtifactId
What is Archetype? In short, Archetype is a Maven project templating toolkit. An archetype is defined as an original pattern or model from which all other things of…
Hashicorp Vault Assignment
Day#1: Write a Post on www.Debug.School with the answer following question… What is top 10 use cases of Hashicorp Vault? List of Authentication Methods in Hashicorp Vault…
Hashicorp Vault: Windows – Lab Manual – Authentiction – 2
Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and experiences. I have worked at Cotocus. I share tech blog at DevOps School, travel stories at Holiday…
Hashicorp Vault: Authentiction Linux – Lab Manual – 2
Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and experiences. I have worked at Cotocus. I share tech blog at DevOps School, travel stories at Holiday…
Hashicorp Vault: Windows – Lab Manual – 1
Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and experiences. I have worked at Cotocus. I share tech blog at DevOps School, travel stories at Holiday…
Hashicorp Vault: Linux – Lab Manual – 1
Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and experiences. I have worked at Cotocus. I share tech blog at DevOps School, travel stories at Holiday…
Best DevOps Trainers in India and Europe
Finding Skilledfull DevOps Trainer is one of most difficult jobs whereas most of the skilled ful DevOps Engineer is being hired by Top Startups and Top Software Company in…
AWS Tutorials: EFS Lab
Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and experiences. I have worked at Cotocus. I share tech blog at DevOps School, travel stories at Holiday…
Grafana Tutorials: Display Jenkins Build Status on Grafana using prometheus?
Step – 1: Install Grafana server Step – 2: Install Jenkins Server Step – 3: Install prometheus Server? Jenkins Prometheus Plugin expose an endpoint (default /prometheus) with…
Docker Tutorials: Location of Docker images in all Operating Systems
Location of Dockers images in all Operating Systems The location of the images vary depending on the driver Docker is using for storage. Actually, Docker images are…
Docker Tutorials: Basic Workflow with example commands
Simple Docker workflow – Quick start In this tutorials, I am trying to cover the simple quickstart Docker workflow and for the example, I am creating Ubantu…
Docker Tutorials: Docker Command line Reference | Docker Tutorial | Docker Guide
One liner to stop all of Docker containers: > docker stop $(docker ps -a -q) One liner to remove all of Docker containers: > docker rm…
Docker Tutorials: Working with Ports in Docker Containers
Port expose and publish has to happen when a container is created. Just stop the existing container and create a new one in its place with the…
Docker Tutorials: docker pause and unpause explanined!
As of Version 0.12.0, Docker supports PAUSE and UNPAUSE commands to pause and resume containers using cgroup freezer. The docker pause command suspends all processes in the…