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82 posts published
Ansible Lineinfile Module: Manage Lines in Text Files
Learn to use the lineinfile module of Ansible with these real world examples.
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firewalld-cmd Command Examples
The firewall-cmd command line tool lets you interact and manage the firewalld firewall in Linux. Here's how to use this command.
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How to Handle Long Running Tasks in Ansible
Facing timeouts? Here is how you can handle tasks that take a long time to complete in Ansible.
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How I Use ddrescue Command to Recover Data from Failing Hard Disk in Linux
The ddrescue utility is a Linux command-line tool for recovering data from (almost) broken hard drives. Here's how I use it.
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Ansible Dry Run: Running Playbook in Check Mode
Not sure of things with your playbook? Here's how you can test your Ansible playbook by using the dry run feature.
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Ansible Shell Module: Execute Shell Commands on Target Systems
Shell module in Ansible is a powerful tool for executing shell commands on remote hosts, but it comes with maintenance risks.
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Ansible Ping Module: Check if Host is Reachable
Quickly test if a node is available with Ansible ping command.
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Ansible Service Module: Manage Services
The service module in Ansible comes in handy for managing services across a variety of platforms.
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Convert String to Bytes in Go
This simple tutorial shows you two ways of converting a string into bytes in golang with practical but simple examples.
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Understanding Init Function in Go With Examples
This tutorial provides an overview of the init functions in Go language.
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Using when Function in Ansible
Here are several practical examples of using the when functionality in Ansible to only run the tasks when certain conditions are matched.
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Managing Cron Jobs Across Multiple Servers Using Dkron
A modern, advanced tool to manage cron jobs across a range of servers in your deployment.
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Running Tasks on Different Remote Systems Using delegate_to in Ansible
Using delegate_to, you can execute a particular task on a different specific host or group. Learn more about it with these practical examples.
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Understanding Kubernetes Node Affinity With Example
Efficiently schedule your pods with the node affinity feature in Kubernetes.
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Vagrant Triggers: Automating Virtual Machine Lifecycle Events
Vagrant Triggers allow automating specific actions before or after certain stages of a virtual machine's lifecycle, providing increased control over the management of your development environments.
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Git Hook Management with Pre-commit
Git provides a powerful tool for automation under the hood: hooks. In this tutorial, you will learn about the pre-commit framework that can bring order and structure to your script collection.
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Ansible Copy Module: Copy Files to Remote Targets
The Copy module in Ansible comes in handy in your setup. Learn some practical examples.
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Efficient Block Device Management with LVM
Learn to manage block devices with LVM in this practical, hands-on approach guide.
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ASSH: An Advance Way to Interact with SSH
Enhance your SSH experience with assh when you have numerous hosts to connect to.
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How to Submit a Pull Request on GitHub
In this GitHub primer series, learn about submitting a pull request and contributing to open source projects.
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Install and Setup MiniKube on Ubuntu
Deploy Kubernetes cluster on your local Ubuntu system with minikube and start exploring Kubernetes.
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Jenkins on EC2: Automating Deployment with Terraform
Configuring Jenkins on AWS can be a tedious and error-prone process. Automate the installation of Jenkins on an AWS EC2 instance using Terraform.
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Installing a Private GitLab CE Server with PostgreSQL
Here's a tutorial for setting up a private GitLab server with PostgreSQL database and a replica server for database failover.
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How to Automatically Update AWS ECR Token in Kubernetes with CronJobs
The ECR token expires every 12 hours. Learn to automatically use Kubernetes CronJobs to update the ECR token in your clusters or namespaces.
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Installing LAMP Server on Localhost on Ubuntu
Learn all about installing the popular LAMP tech stack on an Ubuntu server in your localhost in this step-by-step beginner's tutorial.
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How to Install LOMP Stack on Ubuntu
Learn all about installing the LOMP tech stack on an Ubuntu server in this step-by-step beginner's tutorial.
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The Lesser Known Dir Command in Linux
Learn about the dir command, the less known but identical cousin of the popular ls command.
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How to Deploy ONLYOFFICE Docs Server on RHEL/CentOS
ONLYOFFICE is an excellent open source alternative to Microsoft Office. You can self host it for online office and collaboration. Here's how to deploy on RedHat/CentOS distros.
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Integrate Nextcloud with ONLYOFFICE Docs on Your Linux Server
Take the collaboration abilities of Nextcloud to the next level by integrating ONLYOFFICE and get a full-featured online office suite.
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Guide to man pages in Linux
Though extremely useful, man pages in Linux can be daunting and intimidating at first. This article aims to make it a bit easier to peruse manuals and quickly get the help one needs.
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