Here is a reminder of the basic Linux commands and actions we will frequently use on the Linux terminal.
Each command is validated with Enter.
From a Windows command prompt, or from a MacOS or Linux terminal, remotely login with the user leguellec into the server howto.cogip.be using ssh:
ssh leguellec@howto.cogip.be
Logout:
exit
While logged in, temporarily switch to another user called berthier:
su - berthier
Collect the latest versions of installed software with apt update, install these collected updates with apt upgrade, accept by default the installation of upgrades with -y and chain the commands one after the other with &&:
sudo apt update && sudo apt upgrade -y
Immediately reboot the server:
sudo reboot
Immediately shutdown the server:
sudo shutdown -h now
Visual tool to check physical health, memory status, load and services running:
htop
Check disk space used and available on the root directory /:
df -h /
Detailed check of disk space used by /home sub-directory:
sudo du -c -h -d 1 /home 2>/dev/null
Search for a file named filename.ext in /usr sub-directory, and only display any successful find
sudo find / -iname "*filename.ext*" 2>/dev/null