If you using gpg for your encrypted backup and it fails after you put it in crontab make sure you...
You can use fold: fold -sw 60 You can now paste your texts. fold will echo them back, word-wrapped...
When you drag a file from a Nautilus window into a terminal window, the file's path will be pasted...
The state_machine gem comes with a rake task that lets you generate PNG graphs from any model using state...
If you get an error "Adress already in use" with autossh check with lsof or netstat if something already listen...
Whenever Firefox updates, all your Cucumber features that use Selenium break. This is annoying. In order to remedy this, version...
If you have different users for different servers, don't use set :user. Encode the username into the server definition...
Microsoft provides virtual machine disk images to facilitate website testing in multiple versions of IE, regardless of the host operating...
Great blog with daily news and HOWTOs for Ubuntu, Linux and Gnome.
DeaDBeeF is one of the better music players for Linux. You can find installation instructions here.
Note that converting from RGB to CMYK will usually degrade your colors because no exact mapping is possible. Anyway, this...
Use the PDF toolkit: sudo apt-get install pdftk To rotate page 1 by 90 degrees clockwise: pdftk in.pdf cat...
Linux provides a fix number of filesystem watches. If you have some greedy daemon (like dropbox) running, chances are it...
After updating Rubygems you see a wall of deprecation warnings like this: NOTE: Gem::SourceIndex#add_spec is deprecated, use...
Note that if you plan to downgrade Firefox because your Selenium tests broke after a Firefox upgrade, there is a...
Pdfposter is a Python script that allows to convert large PDFs into a PDF with multiple pages that can be...
When the Ruby parser module of Ruby-GetText comes across a file in one of its search directories (e.g. lib/scripts...
Grep prints one line per match. To return the number if matches, use the -c switch: grep -c "something" filename...
Vim allows recording a batch of commands as a macro. This is handy if you need to do the same...
To avoid sending e-mails containing sensitive data unencrypted I strongly suggest you enable a confirmation dialog. Enigmail can show...
If you are in the middle of a file and want to scroll, but don't want to move your...
The addon lets you set the format of the dates used for the year and month folders that the Archive...
This is now part of geordi. Please don't follow the instructions below, if you use geordi. Inspired by the...
When you have a program running in a hidden X screen (like with Xvfb for Selenium tests) you may want...