Commands by andarasanusi (0)

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determine if tcp port is open
for udp nmap -sU -p 80 hostname

recurisvely md5 all files in a tree
Found this little gem here: http://info.michael-simons.eu/2008/10/25/recursively-md5sum-all-files-in-a-directory-tree/

check open ports without netstat or lsof

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"

Watch a movie in linux without the X windows system.

See KeepAlive counters on tcp connections
See connection's tcp timers

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"

find text in a file
this will find text in the directory you specify and give you line where it appears.

convert single digit to double digits
works only in zsh, requires autoload zmv

Route outbound SMTP connections through a addtional IP address rather than your primary

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