Commands by retrodanny

Commands by retrodanny (6)

sorted by

Shuffle mp3 files in current folder and play them.

* grep -i leaves only mp3 files (case insentitive) * sort -R randomizes list (may use GNU 'shuf' instead). * the sed command will add double quotes around each filename (needed if odd characters are present)
This is sample output - yours may be different.
2

ls | grep -i mp3 | sort -R | sed -e 's/.*/"&"/' | xargs mpg123

retrodanny · 2012-03-10 20:51:36 6
Replace the Caps Lock key with Control

Many non-IBM keyboards have the control key where the caps lock is in most keyboards. You'll appreciate this if you are a vi/vim user.
This is sample output - yours may be different.
0

setxkbmap -option ctrl:nocaps

retrodanny · 2011-05-14 04:20:20 5
shutdown pc in a 4 hours

((60 * 4)) will be turned into 240 by bash before being input to the shutdown command, replace the 4 with whatever number of hours you want, let bash do the math.
This is sample output - yours may be different.
0

shutdown -h $((60 * 4))

retrodanny · 2011-05-02 07:10:10 4
same as backspace and return

Backspace and Return/Enter equivalents
This is sample output - yours may be different.
0

<ctrl+h> and <ctrl+j>

retrodanny · 2011-01-15 21:20:09 7
check if your processor is 32 or 64 bit

i686 = 32 bits x86_64 = 64 bits the command "getconf LONG_BIT" will work just as well. Show Sample Output
This is sample output - yours may be different.
```
i686
```
-4

uname -m

retrodanny · 2011-01-15 21:07:13 8
use SHIFT + ALT to toggle between two keyboard layouts

change the last two-character abbreviation to any layout abbreviation you want. This command will only run in the current session, add to your ~/.bashrc to make this permanent.
This is sample output - yours may be different.
2

setxkbmap -option grp:switch,grp:alt_shift_toggle,grp_led:scroll us,es

retrodanny · 2011-01-10 06:58:13 5

What's this?

commandlinefu.com is the place to record those command-line gems that you return to again and again. That way others can gain from your CLI wisdom and you from theirs too. All commands can be commented on, discussed and voted up or down.

Share Your Commands

Check These Out

Convert a string to

Get a list of the top 10 heaviest tables in your mysql database - useful for performance diagnostics

Get the Volume labels all bitlocker volumes had before being encrypted

Get information of volume labels of bitlocker volumes, even if they are encrypted and locked (no access to filesystem, no password provided). Note that the volume labels can have spaces, but only if you name then before encryption. Renaming a bitlocker partition after being encrypted does not have the same effect as doing it before.

Generate a random password 30 characters long

This command is similar to the alternate, except with head(1), you can pick as many passwords as you wish to generate by changing the number of lines you wish to preview.

Install pip with Proxy

Installs pip packages defining a proxy

Calculate days on which Friday the 13th occurs (inspired from the work of the user justsomeguy)

Friday is the 5th day of the week, monday is the 1st. Output may be affected by locale.

Get information about memory modules

To take information about the characteristics of the installed memory modules.

Mount windows share to the specified location including credentials

Replace IP address with yours IP.

Shuffle mp3 files in current folder and play them.

* grep -i leaves only mp3 files (case insentitive) * sort -R randomizes list (may use GNU 'shuf' instead). * the sed command will add double quotes around each filename (needed if odd characters are present)

Number of connections to domains on a cPanel server

Stay in the loop…

Follow the Tweets.

Every new command is wrapped in a tweet and posted to Twitter. Following the stream is a great way of staying abreast of the latest commands. For the more discerning, there are Twitter accounts for commands that get a minimum of 3 and 10 votes - that way only the great commands get tweeted.

» http://twitter.com/commandlinefu
» http://twitter.com/commandlinefu3
» http://twitter.com/commandlinefu10

Subscribe to the feeds.

Use your favourite RSS aggregator to stay in touch with the latest commands. There are feeds mirroring the 3 Twitter streams as well as for virtually every other subset (users, tags, functions,…):

Subscribe to the feed for:

» all commands
» commands with 3 up-votes (commandlinefu3)
» commands with 10 up-votes (commandlinefu10)
» commands by retrodanny