Commands by michauko (2)

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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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execute a command in case of success or execute a command in case of failure

Send a local file via email
Another way of sending an attachment. -s : subject file : file to be sent

Install pip with Proxy
Installs pip packages defining a proxy

Conficker Detection with NMAP

leave a stale ssh session
When your ssh session hanged (probably due to some network issues) you can "kill" it by hitting those 3 keys instead of closing the entire terminal.

Combine multiple images into a video using ffmpeg
The -start_number can be ignored if sequence starts with 0, otherwise use first number in sequence

va - alias for editing aliases
When setting up a new aliases file, or having creating a new file.. About every time after editing an aliases file, I source it. This alias makes editing alias a bit easier and they are useful right away. Note if the source failed, it will not echo "aliases sourced". Sub in vi for your favorite editor, or alter for ksh, sh, etc.

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

Set laptop display brightness
Run as root. Path may vary depending on laptop model and video card (this was tested on an Acer laptop with ATI HD3200 video). $ cat /proc/acpi/video/VGA/LCD/brightness to discover the possible values for your display.

Summary of disk usage, excluding other filesystems, summarised and sorted by size
This command is useful for finding out which directories below the current location use the most space. It is summarised by directory and excludes mounted filesystems. Finally it is sorted by size.


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