Commands by tehdog

Commands by tehdog (3)

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Get Minecraft ≥1.7 Server info (online players etc.) JSON
This is sample output - yours may be different.
-1

(echo -e '\x06\x00\x00\x00\x00\x00\x01\x01\x00'; sleep 1)|nc -c $host 25565

tehdog · 2014-08-05 14:44:40 14
guitar synthesizer in one line of C

outputs a f=220Hz guitar string sound (fifth string A) needs ALSA
This is sample output - yours may be different.
7

f=220;echo "int s=16e3/$f;main(i){unsigned char v[s];read(0,v,s);for(;;)putchar(v[i%s]=(v[i%s]+v[++i%s])/2);}"|gcc -x c -&&./a.out</dev/urandom|aplay -d 2

tehdog · 2013-06-28 14:52:53 10
Simulate typing

this also generates errors (change 4 to higher number for more mistakes)
This is sample output - yours may be different.
5

echo "pretty realistic virtual typing" | randtype -m 4

tehdog · 2010-02-25 15:30:28 100

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mail with attachment

An easy one but nice to keep in mind.

Rename files in batch

Reclaim standard in from the tty for a script that is in a pipeline

This will grab the controlling tty regardless of what STDOUT and STDERR are doing.

Check if *hardware* is 32bit or 64bit

This command tell you if your hardware is 32 or 64 bits even if you install a 32bits OS on a 64 bits hardware. If your distro don't support the -q switch, try doing : $ grep &>/dev/null '\' /proc/cpuinfo && echo 64 bits || echo 32 bits

take a look to command before action

add |sh when you agree the list, I often use that method to prevent typos in dangerous or long operations

List your installed Firefox extensions

Find usb device in realtime

Using this command you can track a moment when usb device was attached.

Replace spaces in filenames with underscores

Colorized grep in less

Get your colorized grep output in less(1). This involves two things: forcing grep to output colors even though it's not going to a terminal and telling less to handle those properly.

Simple word scramble

enlubtsqyuse $ cat /tmp/out subsequently

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