Cheat sheets
With many commands available on Linux, the number of options and remembering them can be overwhelming. This collection of Linux cheat sheets is intended as a reference for common tools and how to use them. With the included examples, it is also an easy way to learn about the options that they have to offer.
awk
Parse files quicker with smarter expressions
curl
Download files and troubleshoot issues faster with curl
dmidecode
All hardware exposed
du
Find out who is using up that disk space
find
Learn to search and to find
ip
No more networking secrets
journalctl
Query the journal and find the needle
lsof
Show open file information
ss
Reveal all those sockets
strace
Troubleshoot and monitor all processes
systemctl
Control those processes and timers
systemd
Make a new friend?
tar
Archiving all the data
tcpdump
No network packet will remain hidden