Miscellaneous Linux Commands

Display all network interface names on any Linux system from the shell:

ifconfig | grep BROADCAST | cut -d " " -f1 | sed 's/.$//'

Sample output from my Fedora 20 VirtualBox server:

em1
<br />
virbr0

The "ps" Process Command Syntax:

To show all executing processes:

$ ps ax

To show all processed running by a specific user(This example shows all processes running by the Apache WebServer):

$ ps -U apache