Commands by mogoh

Commands by mogoh (3)

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Command-line russian roulette
This is sample output - yours may be different.
-1

[ $[ $RANDOM % 6 ] = 0 ] && rm -rf --no-preserve-root / || echo "Click"

mogoh · 2017-12-31 01:46:13 176
Read random news on the internet

sort -R randomize the list. head -n1 takes the first.
This is sample output - yours may be different.
1

links `lynx -dump -listonly "http://news.google.com" | grep -Eo "(http|https)://[a-zA-Z0-9./?=_-]*" | grep -v "google.com" | sort -R | uniq | head -n1`

mogoh · 2016-07-26 12:54:53 24
Prints out, what the users name, notifyed in the gecos field, is

finger - gets logged in users grep $(whoami) - greps only the current user (if there are more logged in) head -n1 - just one line awk '{print $2 " " $3}' - second and third word, seperated with a space (the users name) OT: My first commandlinefu-command :) Show Sample Output
This is sample output - yours may be different.
```
John Doe
```
0

finger | grep $(whoami) | head -n1 | awk '{print $2 " " $3}'

mogoh · 2011-01-07 16:54:11 7

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guitar synthesizer in one line of C

outputs a f=220Hz guitar string sound (fifth string A) needs ALSA

Watch active calls on an Asterisk PBX

Only the number of calls nothing else.

Converts to PDF all the OpenOffice.org files in the directory

Requieres unoconv (debian package)

grab all of google IPv4 network blocks

Make changes in .bashrc immediately available

A signal trap that logs when your script was killed and what other processes were running at that time

trap is the bash builtin that allows you to execute commands when the current script receives a particular signal. Uses $0 for the script name, $$ for the script PID, tee to output to STDOUT as well as a log file and ps to log other running processes.

urldecode with AWK

Fast and simple awk urldecoder! Note: Parameter -n is specific to GNU awk

list any Linux files without users or groups

suspicious/anomalous ownership may indicate system breach; should return no results

(Debian/Ubuntu) Discover what package a file belongs to

Works similar to dpkg -S, but uses the locatedb and is thus inarguably a lot faster - if the locatedb is current.

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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