How to disable and clear Linux Command Line history
When you type commands in the bash shell, the shell by default is recording every command that you input via the terminal.
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How to Enable IP Forwarding in Linux
IP forwarding is a process of forwarding IP packets received on one network interface to another network interface. This …
How to Install Ansible on Ubuntu 18.04
In this tutorial, we will show you how to install ansible and ansible playbook on Ubuntu 18.04. This tutorial will show …
How to Scan a New Disk in CentOS/RHEL Online (Without Reboot)
This post discusses - how to scan a new disk without rebooting the system. Sometimes the new disks are not scanned …
How to Troubleshoot Sendmail in Solaris
In this post, we are going to discuss the Sendmail Configuration and Troubleshoot method, as this Sendmail service very …
Iptables Command Line Reference (Cheat Sheet)
Please note that the iptables rules are stored in the /etc/sysconfig/iptables file. If you view this file, you’ll see …
Linux "Shutdown" Command Examples
The shutdown Command “shutdown” is a system administration command which terminates all processing. when …
Linux Poweroff Command
The Linux poweroff command closes out the filesystem, shuts down the system, and poweroff it. Because this command …
Linux Sort Command Examples
The Linux Sort can be used to sort the content of a text file or output from other commands, By default, the sort …
Linux Whoami Command
whoami is a very simple Linux command and can be used to find out the name of user who is currently logged in the …
Managing System Clock Using Chrony in CentOS/RHEL 7
The chrony package provides a chronyd service daemon and chronyc utility that enable mobile systems and virtual machines …