How to Fix 'add-apt-repository command not found' on Ubuntu & Debian

In some cases on Linux Mint, Linux Lite, Zorin OS, elementary OS and other Ubuntu based distros, as well as Ubuntu and Debian, you’ll see the error that add-apt-repository command is missing. $ sudo: add-apt-repository: command not found This tutorial [...]

Slavisa Milojkovic 3:00 am

How to List Cron Jobs in Linux

List cron jobs linux

For linux to automatically perform tasks that you would otherwise have to perform yourself, such as running scripts and executing specific commands, we use a tool called cron. On Linux systems, the cron utility is the preferred way to automate [...]

Slavisa Milojkovic 6:00 am

How to Find/Change Ubuntu Default Root Password

Change default ubuntu root password

Before I explain how to change the default password, its good to know about "Root SuperUser" and "sudo user" in Linux. In any Linux, as also in any Ubuntu version, there is a SuperUser named root, the Windows equivalent of [...]

Slavisa Milojkovic 2:30 pm

Ansible Interview Questions & Answers for Devops

check ansible interview questions

In this guide, we're going to look at Ansible Interview Questions & Answers for DevOps Engineers. This is intended to help you prepare for Ansible Devops Interview and also review your skills. Over the past one year, Ansible adoption has been massive. [...]

Slavisa Milojkovic 5:50 pm

How to Use Curl Command with Examples

How to use curl command

Back in the mid-1990’s a Swedish programmer named Daniel Stenberg started a project that eventually became what we know as curl today. curl is a command line tool to transfer data to or from a server, using any of the supported [...]

Slavisa Milojkovic 6:49 pm

How to Install Terraform on CentOS 7/Ubuntu 18.04

How to install terraform on centos and ubuntu

Terraform is a software which allows you to manage cloud infrastructure resources from code efficiently. You can use Terraform to build, change, and version infrastructure deployed on proprietary cloud providers or your own infrastructure on premises. It supports cloud service [...]

Slavisa Milojkovic 12:05 am