Commands by JunFritz01 (0)

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grep (or anything else) many files with multiprocessor power
Parallel does not suffer from the risk of mixing of output that xargs suffers from. -j+0 will run as many jobs in parallel as you have cores. With parallel you only need -0 (and -print0) if your filenames contain a '\n'. Parallel is from https://savannah.nongnu.org/projects/parallel/

ssh autocomplete
Add to your bash profile to minimize carpal tunnel syndrome. Doesn't work with [email protected]tname but appending "-l user" works fine if needed. Works for ping as well.. complete -W "$(echo `cat ~/.ssh/known_hosts | cut -f 1 -d ' ' | sed -e s/,.*//g | uniq | grep -v "\["`;)" ping

Serve current directory tree at http://$HOSTNAME:8080/

Simple addicting bash game.
hold period (or whatever character) and hit enter after a second. You need to make the next line of periods the same length as the previous line... score starts at 0 and increase each time length of line is same.

Listing today’s files only

import gpg key from the web
imports a public key from the web. I know this by head.. but useful nevertheless

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

Display BIOS Information
read the memory from C:0000 to F:FFFF without the need auf dmidecode

Clean your broken terminal
When some console full-screen program (minicom, vi, some installers) breaks down your terminal, try this command to revert all options to "sane" settings (sane is a built-in combo of a lot of stty options)

a function to find the fastest DNS server
http://public-dns.info gives a list of online dns servers. you need to change the country in url (br in this url) with your country code. this command need some time to ping all IP in list.


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