Commands by rakibfiha (1)

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Create named LUKS encrypted volume
You need to be root to do this. So check the command before running it. You enter the same password for Enter LUKS passphrase: Verify passphrase: Enter passphrase for /dev/loopn: ___ You can then copy the .img file to somewhere else. Loop it it with losetup -f IMAGENAME.img and then mount it with a file manager (eg nemo) or run mount /dev/loopn /media/mountfolder Acts similar to a mounted flash drive

get colorful side-by-side diffs of files in svn with vim
This will diff your local version of the file with the latest version in svn. I put this in a shell function like so: $svd() { vimdiff

Backup with versioning
Apart from an exact copy of your recent contents, also keep all earlier versions of files and folders that were modified or deleted. Inspired by the excellent EVACopy http://evacopy.sourceforge.net

live ssh network throughput test
connects to host via ssh and displays the live transfer speed, directing all transferred data to /dev/null needs pv installed Debian: 'apt-get install pv' Fedora: 'yum install pv' (may need the 'extras' repository enabled)

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.

Do some learning...
Just realized how needless the 'ls' has been... This version is also multilingual, since there is no need to grep for a special key word ("nothing"/"nichts"/"rien"/"nada"...). And it makes use of all the available horizontal space.

track flights from the command line
Usage: flight_status airline_code flight_number (optional)_offset_of_departure_date_from_today So for instance, to track a flight which departed yesterday, the optional 3rd parameter should have a value of -1. eg. flight_status ua 3655 -1 output --------- Status: Arrived Departure: San Francisco, CA (SFO) Scheduled: 6:30 AM, Jan 3 Takeoff: 7:18 AM, Jan 3 Term-Gate: Term 1 - 32A Arrival: Newark, NJ (EWR) Scheduled: 2:55 PM, Jan 3 At Gate: 3:42 PM, Jan 3 Term-Gate: Term C - C131 Note: html2text needs to be installed for this command. only tested on ubuntu 9.10

the executable that started the currently running oracle databases and the ORACLE_HOME relative to each
get a list of currently running oracle dbs (identified by the pmon process) show the executable that spawned the process and show the ORACLE_HOME relative to the environment within which the process is running tailored to AIX (sed on linux behaves...differently) suggestions for a better way...please.

Recursively remove .svn directories

Save xkcd to a pdf with captions
Saves to a PDF with title and alt text of comic. As asked for on http://bbs.archlinux.org/viewtopic.php?id=91100 Change xkcd.com to dynamic.xkcd.com/comics/random for a random comic.


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