How to check if Ansible collection is installed or not
Sometimes I need a specific Ansible module from ansible-galaxy to carry out a particular type of automation. But I don’t know if it is already installed or not or bundled …
How to Download RPM Without Installing on RHEL 8 / CentOS 8
While working on RHEL and CentOS Servers there are some scenarios where we want to download specific or set of RPM packages from the command the line without installing it. …
How to Change Hostname in RHEL 8 / CentOS 8
Hostname is the name or label of a computer or a network device. Computer or network device has it own IP address but it is very difficult for the humans …
20 Useful Docker Command Examples in Linux
Docker container is one of the most emerging technologies now a days. Docker containers are generally used in CI/CD (Continuous Integration/Continuous Deployment) platform. Containers are the light weight VMs (Virtual …
How to Configure IP Networking with nmcli Command in Linux
Nmcli (network manager command-line interface) is a command-line utility used to control the NetworkManager daemon which is used to configure network interfaces. With the nmcli utility, you can display, create, …
SSH Commands in Linux with Usage Examples
SSH is a network protocol for securely logging into a remote machine and executing commands. It is designed and created to provide the best security when accessing another computer remotely. Whenever …
Date Command in Linux with Usage Examples
The date command in Linux is used to display or set system date and time. It allows users to display time in various formats and calculates the past and future …
Cal Command in Linux
Cal is a terminal command used in Linux to print a calendar. Simply type cal to display the current month calendar. In this tutorial, we learn about cal command in …
Linux IP Command with Usage Examples
The IP command is part of iproute package that is by default installed in Modern Linux distributions. In Linux, the IP command is used to manage and display Network Interfaces, …
Linux Uptime Command with Examples
The uptime command displays how long the system has been up (running) along with the current time, number of logged-in users, and the system load averages for the past 1, …