Commands by ultips (2)

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remove empty lines in place with backup
Modify file in place to remove empty lines and create a backup of the original with the extension .bak

Find the package that installed a command

Avoid killing the X server with CTRL+C on the tty it was started from

climagic's New Year's Countdown clock
This is the 140 character long new year's countdown timer that was posted to the climagic account on twitter and identi.ca. There are saner ways of doing this of course, but probably none of those would fit. Uses the figlet command, but of course you can replace figlet with just echo if you want.

Generate a 18 character password, print the password and sha512 salted hash
Generate a 18 character password from character set a-zA-Z0-9 from /dev/urandom, pipe the output to Python which prints the password on standard out and in crypt sha512 form.

convert ascii string to hex
Even adds a newline.

Google URL shortener
Use curl and sed to shorten an URL using goo.gl without any other api

View user activity per directory.
View all files opened by a user in specified directory. The +D option makes lsof search all sub-directories to complete depth, while ignoring symbolic links.

Get table column names from an MySQL-database in comma-seperated form

grep tab chars
mixing tabs and spaces for indentation in python would confuse the python interpreter, to avoid that, check if the file has any tab based indentation. "^V" => denotes press control + v and press tab within quotes. $ cat improper_indent.py class Tux(object): print "Hello world.." $ grep " " improper_indent.py print "Hello world.."


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