Commands by chronosMark (2)

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Count threads of a jvm process
if you have problem threads problem in tomcat

Save a file you edited in vim without the needed permissions
Calls sudo tee like all the other lines, but also automatically reloads the file. Optionally you can add command Wq :execute ':W' | :q and command WQ :Wq to make quitting easier

Download all Red Hat Manuals - A better way by user Flatcap
Let's give Flatcap credit for this elegant solution, instead of leaving it hidden as a comment. Tested on RHEL6 and it works. Nice and clean.

check open ports without netstat or lsof

nmap port scanning
TCP Connect scanning for localhost and network 192.168.0.0/24

list block devices
Shows all block devices in a tree with descruptions of what they are.

Screensaver
Console screensaver.

Which processes are listening on a specific port (e.g. port 80)
swap out "80" for your port of interest. Can use port number or named ports e.g. "http"

dump database from postgresql to a file

Display total Kb/Mb/Gb of a folder and each file


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