Commands by aaronjcopley

Commands by aaronjcopley (1)

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Find Files Which Should Be Executable But Are Not

Helps to fix permissions when a user clobbers them in their home directory or elsewhere. Does not rely on file extension, but uses the `file` command for context.
This is sample output - yours may be different.
0

find . -type f ! -perm /u+x -printf "\"%p\"\n" | xargs file | grep -i executable

aaronjcopley · 2012-03-12 17:29:36 0

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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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