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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"

Get video information with ffmpeg

put current directory in LAN quickly

txt2html
Convert Text to HTML

Run a program transparently, but print a stack trace if it fails
For automated unit tests I wanted my program to run normally, but if it crashed, to add a stack trace to the output log. I came up with this command so I wouldn't have to mess around with core files. The one downside is that it does smoosh your program's stderr and stdout together.

eth-tool summary of eth# devices
Give the Speed and Link status of eth# 0-3. This is sort of what mii-tool does, but eth-tool is better, yet lacks device discovery.

list all opened ports on host

Delete a file/directory walking subdirectories (bash4 or zsh)

Center text in console with simple pipe like
Center the output text in max line length of buffered output pipe;

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"


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