Commands by hans

Commands by hans (3)

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this toggles mute on the Master channel of an alsa soundcard

I've had this as mute.sh in my ~/bin/ for some time.
This is sample output - yours may be different.
0

on="off"; off="on"; now=$(amixer get Master | tr -d '[]' | grep "Playback.*%" |head -n1 |awk '{print $7}'); amixer sset Master ${!now}

hans · 2009-02-25 09:03:08 8
Create passwords and store safely with gpg

Adjust the head -c part for password length. I use filenames like "hans@commandlinefu.com.gpg" and a vim which automatically decrypts files with .gpg suffixes.
This is sample output - yours may be different.
2

tr -dc "a-zA-Z0-9-_\$\?" < /dev/urandom | head -c 10 | gpg -e -r medha@nerdish.de > password.gpg

hans · 2009-02-25 08:48:26 8
Show biggest files/directories, biggest first with 'k,m,g' eyecandy

I use this on debian testing, works like the other sorted du variants, but i like small numbers and suffixes :) Show Sample Output
This is sample output - yours may be different.
```
[user@host]> bigfiles
123 m   .
47 m    ./media
27 m    ./.mozilla
21 m    ./src
14 m    ./downloads
1 m     ./.openoffice.org
1 m     ./uni
288 k   ./.gstreamer-0.10
208 k   ./sketchbook
128 k   ./.config
124 k   ./.ipython
56 k    ./.fontconfig
32 k    ./.pal
```
16

du --max-depth=1 | sort -r -n | awk '{split("k m g",v); s=1; while($1>1024){$1/=1024; s++} print int($1)" "v[s]"\t"$2}'

hans · 2009-02-24 11:03:08 34

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Get all IPs via ifconfig

works on Linux and Solaris. I think it will work on nearly all *nix-es

Shortcut to find files with ease.

It looks for files that contains the given word as parameter. * case insensitive * matches files containing the given word.

open remote desktop connection without X

You can use it to connect to remote windows machine and start some scritps that need user login

list block devices

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

Search and play MP3 from Skreemr

This use the Screemr search engine to play mp3 songs

Recursively lists all files in the current directory, except the ones in '.snapshot' directory

This can be useful for those who have mounted NetApp file-systems with snapshot activated.

Check if you partition are aligned

To get most of you HDD/SSD driver you need to make sure you partition are aligned, if not the speed penalty can be up to 50% slower! this simple one liner will check to see if each partition start sector is divided by 512 you need to change sda with your driver if you find the one of your partitions is not aligned use gparted to move the start sector of the partition to be divided of 512

Broadcast your shell thru ports 5000, 5001, 5002 ...

run 'nc yourip 5000', 'nc yourip 5001' or 'nc yourip 5002' elsewhere will produce an exact same mirror of your shell. This is handy when you want to show someone else some amazing stuff in your shell without giving them control over it.

Show complete URL in netstat output

The -W switch of netstat makes it print complete URL of the connections, which otherwise by default is truncated to fit its default column size. Now to compensate for irregular column sizes, pipe the output to column (-t switch of column prints in tabular form). The only downside to this part is that the very first row, the header, goes pear shape.

Find usb device in realtime

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

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Commands by hans (3)

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