Commands by aaronjcopley (1)

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Get line number of all matches in a file

Replace "space" char with "dot" char in current directory file names

send raw data (hex written)using UDP to an IP and port
Use it to send raw data to a networked device. Used to interact with relay controller board whose documentation is lost, so use wireshark to sniff the sent data and replayed using the command.

Look for English words in /dev/urandom
* to get the English dictionary: wget http://www.mavi1.org/web_security/wordlists/webster-dictionary.txt

geoip information
That makes a function you can put in your ~/.bashrc to run it when you need in any term with an IP as argument

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"

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

shuffle lines via perl
Same, without modules... Probably smarter option: just use the shuf command or even sort -R.

grep tab (\t)
works in bash

Find if the command has an alias


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