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2257 articles
grep Command in Linux Explained with Practical Examples
Learn how to use the grep command in Linux with practical examples. This guide explains common grep options such as recursive search, counting matches, …
devopsBeginners guide to Kubernetes Service Account with examples
Applications inside pods can be associated with a custom Service Account or default SA will be used. By default, pods run under the default ServiceAccount, …
linuxInstall Oh My Zsh on Linux [Step-by-Step]
Step by Step instructions to install Oh My Zsh on different Linux distributions such as Ubuntu, Red Hat, CentOS, Debian, OpenSuSE, Arch Linux
programmingUsing Node.js with Visual Studio Code
Knowing how to use Node.js with Visual Studio Code is easy. All you do is install your preferred Node.js version and Visual Studio Code for your operating
programmingHow to use Node.js with Eclipse IDE [Step-by-Step]
Step by Step instructions to setup and use node.js with Eclipse IDE with examples to write your first code.
linuxConvert CentOS 8 to Rocky Linux 8
As you know, CentOS Linux 8 became the end of life on 31 Dec 2021. It will now continue its life as CentOS Stream 8. Many people/organizations using CentOS …
linuxbash: curl: command not found
The most common causes for bash: curl: command not found error is either curl package is not installed or the PATH variable does not contain the path to …
linuxHow to install NVM on Ubuntu?
Node Version Manager (NVM) is a tool for managing Node versions on servers. NVM allows to install different versions of Node. It allows you to switch …
linuxHow to install AWS CLI on Ubuntu?
AWS CLI (AWS Command Line Interface) is a unified tool you can use to manage your AWS services. With the AWS CLI, you can control multiple AWS services …
programmingHow to use Node.js with Atom IDE [Step-by-Step]
Step by step instructions to use node.js with Atom IDE. Create and run your first JS using Atom IDE.
programmingHow to use Node.js with Sublime Text IDE
Step by Step instructions to use node.js with sublime text IDE. Install Node.Js and Sublime Text IDE for the Integration.
devopsWeather Data Made Easy: Mastering API Integration for Developers
Weather information is vital in our daily lives, from planning outdoor activities to making informed decisions in sectors like agriculture, transportation, …
devopsInstall ELK stack on Rocky Linux 8
Step by step instructions to install ELK Stack on Rocky Linux. Install Elasticsearch, Logstash and Kibana
linuxSetup Grafana with Prometheus Rocky Linux 8
In this guide, we shall setup Grafana with Prometheus on Rocky Linux 8, we will use Grafana instance on the same server so that we can visualize metrics …
interview-questionsOpenStack Interview Questions and Answers (Multichoice)
In this article I have shared multiple openstack interview questions and answers (multi choice) covering various areas of openstack project.
devopsCreate Pod Security Policy Kubernetes [Step-by-Step]
Step by step instructions to create pod security policy in Kubernetes. Verify securitycontext and linux capabilities with pod security policy
linuxHow to Enable Wake-on-LAN in Ubuntu 22.04? [SOLVED]
In this article we will tell you how to enable Wake-on-LAN in Ubuntu and example usage.
cheatsheetHow to PROPERLY rename Logical Volume
Step by step instructions to rename logical volume i.e. both root and non- root. Update fstab, grub2 and generate initramfs to make sure the server reboots …
devopsWriting Ansible playbook with Visual Studio Code
We can also use virtual studio code editor to write ansible playbooks by using the ansible extension and configuring settings.json. You can use Windows or …
system-administrationCreate KVM virtual machine | virt-manager | RHEL CentOS 8
Step-by-Step Guide to create KVM Virtual Machine using Virtual Manager in RHEL and CentOS 8 Linux. Create VM, Take Snapshot, Assign Networks using Virtual …
linuxHow to properly remove old kernels RHEL/CentOS 8
You can now use dnf command to remove old kernels from RHEL/CentOS 8 Linux. package-cleanup doesn't work any more. Use oldinstallonly with …
devopsAnsible Installation Guide on RHEL/CentOS 8
There are different methods using which you can install ansible using default package manager such as yum, dnf, apt, Using pip and using source compile …
linuxInstall MongoDB on AlmaLinux 8 [Step-by-Step]
Step by Step instructions to install mongodb on AlmaLinux 8. Access mongodb shell, create admin user, establish a connection with mongodb server using a …
linuxCould not resolve host: mirrors.rockylinux.org
3 possible solutions to Could not resolve host: mirrors.rockylinux.org and Failed to connect to mirrors.rockylinux.org port 443: Connection timed out
linuxInstall Rancher on Rocky Linux 9 [Step-by-Step]
Step by step instructions to install rancher on Rocky Linux 9 with screenshots.
linuxComplete tutorial on tmux commands with examples from scratch
In this tutorial I will cover the basics of tmux from scratch using various tmux commands to create session, windows, splitting panes, killing session etc
interview-questionsShell scripting Interview questions with answers
Here I have consolidated some of the basic unix/linux shell scripting interview questions with their possible answers to help you practice.
system-administration3 simple and useful tools to grep multiple strings in Linux
How to grep multiple strings and patterns in single line from a file in Linux or Unix? Is it possible to grep multiple strings using single command from a …
linuxHow to remove obsolete packages in Ubuntu?
Learn how to safely remove obsolete packages in Ubuntu with examples
securityInstall DVWA on Kali Linux (Step-by-Step)
Step by step instructions to install DVWA in Kali Linux with screenshots.