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ubuntu easter eggs

Execute a sudo command remotely, without displaying the password
The ssh command alone will execute the sudo command remotely, but the password will be visible in the terminal as you type it. The two stty commands disable the terminal from echoing the password back to you, which makes the remote sudo act as it does locally.

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"

Url Encode
This one uses hex conversion to do the converting and is in shell/sed only (should probably still use the python/perl version).

Test sendmail
test if sendmail is installed and working.

Close shell keeping all subprocess running

parted - scripted partitioning (of all multipathed SAN LUNs)
`multipath -ll` requires Device Mapper multipath.conf configuration. And of course, replace "3PARdata,VV" with your disk array's SCSI vendor,LUN name. - GPT partition table allows you to create >2TB partitions

Convert deb to rpm
converts between Red Hat rpm, Debian deb, Stampede slp, Slackware tgz, and Solaris pkg file formats ... It also supports LSB packages.

increase recursively the modification time for a list of files
Increase the modification date for the files selected with the find command.

check open ports without netstat or lsof


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