Linux Commands

Intended as a springboard to find an appropriate solution to Linux related issues.

What's going on with this process?

htop
top
strace

Is the port open? "portping"

nmap -p 3000 192.168.0.240

Is something running on a schedule?

crontab -l

systemctl list-timers

Where is it?

which
whereis
locate

Is something up with a filesystem?

mount

cat /etc/fstab

fsck

fuser -v

How do I remove a strangely named file?

rm -i *

Where do I put this file?

FHS 3.0