Commands by snupdablogger (0)

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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"

bash script to zip a folder while ignoring git files and copying it to dropbox
Better tool for exporting git's repository is Git itself!

Simple MAC Changeing
The 00:11:22:33:44:55 is whatever you want your new MAC address to be. Sometimes sudo should be used in front if you need to.

Remove all HTML tags from a file

Encrypted chat with netcat and openssl (one-liner)
client$ while true; do read -n30 ui; echo $ui |openssl enc -aes-256-ctr -a -k PaSSw ; done | nc localhost 8877 | while read so; do decoded_so=`echo "$so"| openssl enc -d -a -aes-256-ctr -k PaSSw`; echo -e "Incoming: $decoded_so"; done This will establish a simple encrypted chat with AES-256-CTR using netcat and openssl only. More info here https://nixaid.com/encrypted-chat-with-netcat/

Diff XML files
Diffs two xml files by formatting them first using xmllint and then invoking diff. Usage: diffxml XMLFile1 XMLFile2

Safe Russian Roulette (only echo, don't delete files)
Shows "Bang!" in a chance of 1 out of 6, like in the original game with the gun (spin every round). Otherwise, echoes "Click...". If feeling brave you can also do: $[ $[ $RANDOM % 6 ] == 0 ] && echo 'Bang!' && a really killer command || echo 'Click...'

Shows what processes need to be restarted after system upgrade
This command can be installed in debian by the package debian-goodies. It also outputs the /etc/init.d/ commands that you need to do.

summarize a list of IP addresses, verifying IP address and giving counts for each IP found
Working with lists of IP addresses it is sometimes useful to summarize a count of how many times an IP address appears in the file. This example, summarizeIP, uses another function "verifyIP" previously defined in commandlinefu.com to ensure only valid IP addresses get counted. The summary list is presented in count order starting with highest count.

show git commit history


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