Commands by sardanapalos (1)

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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.

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Listing only one repository with yum
How to list just one repo with yum. First I disable all repo, second I enable just the repo that I want to list.

Get length of current playlist in xmms2

Use Dell Service Tag $1 to Find Machine Model [Model Name and Model Number]
255 Max Characters CommandLineFu for $dellurl='http://support.dell.com/support/topics/global.aspx/support/my_systems_info/en/details?c=us&cs=04&l=en&s=hied&ServiceTag='

need ascii art pictures for you readme text ?
Require boxes and / or cowsay packages. After input boxes -d dog , type your text and then press ctrl + d . Same goes for cowsay .

Compare prices in euro of the HTC Desire on all the european websites of Expansys.
You think Expansys in all these countries will sell the HTC Desire for the same price? Well, you'll be surprised. Most of them will be sold at 499.99 EUR but the cheapest can be found in Germany and the most expensive, in Belgium.

Beep siren
Infinitely plays beeps with sinusoidally changing sound frequency. Ideal for alarm on an event.

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"

Open a file at the specified line
You may also use +line:column syntax.

Lookup errno defintions
Calls the POSIX strerror() function to look up the meaning of integer ERRNOs set by some functions.

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.


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