Commands by mrytsr (1)

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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"

replace XX by YY in the the current directory and cd to it. ( in ZSH )
If you are in /begin/path/with/XX/pattern cd XX YY will change your current directory to /begin/path/with/YY/pattern in ZSH

I finally found out how to use notify-send with at or cron
The simplest way to do it. Works for me, at least. (Why are the variables being set?)

list all opened ports on host

check open ports without netstat or lsof

Getting ESP and EIP addresses from running processes
'ps' let you specify the format that you want to see on the output.

Show git log beautifully
Only show a short of important information inline ( include branch info ), and color this log tree.

Get the SAN (subjectAltName) of a site's certificate.
Based on http://stackoverflow.com/questions/13127352/checking-alternative-names-for-a-san-ssl-cert Replace "facebook.com" with the desired hostname.

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

Print the last modified file

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