Observability · 18 min
Prometheus II
Alert Manager The prometheus generates alert for you but it cannot send notification to yo via email, slack, teams, etc. So for this we need to configure alert manager. Prometheus allows you to…
devops
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Observability · 36 min
Prometheus
Observability Observability is the practice of understanding a complex system’s internal state by analyzing its external outputs, such as logs, metrics, and traces. It allows engineers to…
Cloud & AWS · 14 min
Amazon S3
Amazon Simple Storage Service (Amazon S3) is an object storage service that offers industry-leading scalability, data availability, security, and performance. Customers of all sizes and industries…
Kubernetes · 7 min
KUbernetes
Introduction kubernetes is similar to docker swarm. Kubernetes is also a container orchestration tool. We can run kubernetes in every environment example laptop, dev, production, cloud. So if there…
Infrastructure as Code · 11 min
Ansible playbook II
First Read ansible playbook1 before starting this section. Ansible “file” and “template” module File ownership create directory create file permission syslinks Template To understand this let’s…
Docker · 4 min
Docker Compose
Docker Compose Tool for defining and running multi container applications. Simplifies the control of your entire application stack, making it easy yo manage servicess, networks and volumes in a…
Docker · 8 min
Docker Orchestration
Container Orchestration Container orchestration automates the deployment, management, scaling, and networking of containers. It is a solution that consists of a set of tools and scripts that can help…
Docker · 15 min
Docker file, Best practices and Registry
Dockerfile Docker can build images automatically by reading the instructions from a Dockerfile. A Dockerfile is a text document that contains all the commands a user could call on the command line to…
Docker · 10 min
Docker Installation and commands
Docker Installation Installation Uninstall old versions Install using the apt repository Another method for installing docker is to run the official script from https://get.docker.com Post…
Infrastructure as Code · 12 min
Ansible Playbook I
In this blog we will explore different playbooks example in ansible. Earlier we have used Ad-hoc command to configure another machine using ansible host. But in that approach we don’t have any data…
Infrastructure as Code · 11 min
Ansible
We can do basic automation using shell scrips like installing packages, build docker images and other basic tasks. Python scripting: Using python scripting it is a bit simpler because it has lots of…
CI/CD · 14 min
Distributed Build Example in Jenkins
Creating 2 VMs to know the concept of multistage distributed builds. Setting up Node in Jenkins master Setting label for Jenkins master Example 1: So first let’s run a simple pipeline in this node…
Docker · 15 min
DOCKER Introduction
Docker container Container standard and industry leadership Micro kernel Monolithic Kernel Can we run Linux container on windows and vice versa? Can we run linux container on mac and vice versa?…
Git & GitHub · 7 min
GIT commands
Basic commands git pull origin branch_name: To pull changes from git git push origin branch_name: To push the changes to remote repository ssh-keygen -t rsa: To generate ssh key git –version: To see…
Git & GitHub · 11 min
GIT INTRODUCTION
Version control system VCS is basically software designed to record changes within one or more files over time. It allows us to undo or to cancel all made or pending changes within one or more…
Linux · 5 min
Apache web server
The Apache HTTP server, commonly known as Apache is a free and open-source web server, that delivers web content through the internet. As open-source software, its original source code is freely…
Infrastructure as Code · 6 min
Vagrant
Vagrant is an automation tool to manage VM lifecycle, right from creating avirtual machine to making any changes, deleting it, recreating it, provisioningit, anything that we do manually with VMs, we…
Linux · 5 min
Shell Scripting
It is a way to automate tasks by writing a series of commands in a text file called script that Linux shell can execute. It’s like creating a ‘to do list’ for your computer to follow step by step…
Linux · 18 min
Linux Commands
To see Ip address of the machine ip addr show :Shows all the interfaces ip ip -4 addr show: Show only ipv4 address ifconfig: Same as ip addr show but it needs net tools to show ip address. Systemctl…