Category: Linux Basics

Scenario Command Description Change owner and group of backups directory sudo chown appuser:admins backups Sets owner to appuser and group to admins Change owner and group using absolute

Linux Distribution Package Manager Uninstall Command Example Ubuntu / Debian / Linux Mint apt sudo apt remove <package-name> Example: sudo apt remove nginx Red Hat /

Linux Distribution Package Manager Install Command Example Ubuntu / Debian / Linux Mint apt Command: sudo apt install <package name> Example: sudo apt install nginx

The wget is a free non-interactive file downloader command. Non-interactive means it can work in the background when the user is not logged in. It

Linux Filter commands accept input data from stdin (standard input) and produce output on stdout (standard output). It transforms plain-text data into a meaningful way

To kill a process use command, extend with different signal numbers, command : kill -SIGNAL PID Process signal names and numbers: process kill methods mentioned

To view currently running processes on the system with the ps command. It mostly return PID(Process ID), TTY(type of terminal ), TIME(process cpu use time),CMD(command

1 uptime Shows how long system is on and running 2 users Shows users – current logged in 3 free -m/g shows storage details in

The “man” is a short term for a manual page. In unix-like operating systems such as linux, man is an interface to view the system’s

1 ifconfig Display and manipulate route and network interfaces. 2 ip It is a replacement of the ifconfig command. 3 traceroute Network troubleshooting utility. 4