Whenever is a Ruby gem that provides a clear syntax for writing and deploying cron jobs.
When deploying an application with "cap deploy" by default [1] you only deploy your code but do not run migrations...
Airbrake (formerly Hoptoad) already ignores certain errors like InvalidAuthenticityToken by default (see Airbrake::Configuration::IGNORE_DEFAULT).\ To ignore additional classes...
If you want to have a new log file every day automatically, but avoid using logrotate, the CustomLog directive is...
If you want to convert a README.rdoc file to HTML, say this from a shell: rdoc README.rdoc
Reading a URL via GET: curl http://example.com/ Defining any HTTP method (like POST or PUT): curl http://example.com/users/1...
Simply add --dry-run, like this: sudo apt-get install --dry-run something This is great if packages would get...
When installing RMagick you may get an error messages like this: Version 2.13.1: checking for Ruby version >= 1.8.5... yes
If you want to manually check if e-mail delivery works on a machine by sending an e-mail you...
If there is some weird margin at the top of your page for no apparent reason, chances are one of...
The Ubuntu Documentation on LaTeX says, that the packages tetex are no longer supported. You can install the alternative texlive...
Note that you cannot currently use Ruby 1.9.2 with Rails 2 applications that use RSpec, so don't upgrade if...
blueprint is DevStructure’s workhorse tool that looks inside popular package managers, finds changes you made to configuration files, and...
I don't like those buttons inside the header area of a message that Thunderbird 3 put there. Though the...
The shell variable PS1 holds your bash prompt. You might want to change it to serve your needs best. Here...
Add deprecation warnings and their solution or link to available solutions. Global access to Rake DSL methods is deprecated. Please...
Install OpenSSH Server: sudo apt-get install openssh-server To check if the server is running you should get no...
An overview of common vim commands, including: windows buffers undo/redo navigation bookmarks selection/whitespace clipboard shortcuts search/replace programming external filters
You will occasionally need to clean out your database while keeping the schema intact, e.g. when someone inserted data in...
After updating your RubyGems, you will probably not be able to run Capistrano any more, but receive an error similar...
My T410 has a NVIDIA graphics card (NVS 3100M). My BIOS configuration looks like this: NVIDIA Optimus is disabled in...
Although you can access many symbols using the AltGr key you may be missing some, like the en-dash (–) or...
This note is a reminder that there is something called AppArmor that could cause weird errors ("File not found", "Can...
To open a terminal quickly navigate to System → Preferences → Keyboard Shortcuts. There, click the "Run a terminal" row (It should...