Switching SSH keys between Heroku accounts
At times, I have to switch between a few different Heroku accounts. Apart from having to login again, the other annoyance is having the right SSH key active. If you don't have the right SSH key active, (i.e. if the SSH auth agent has more than one key added to it, or...
Capture HTTPS traffic from Java applications with Fiddler
Fiddler usually works out of the box, with a few exceptions. One of those exceptions is capturing traffic from a JVM. To capture plain HTTP traffic from a JVM, you can configure Fiddler as the proxy by setting these VM args: -DproxySet=true -DproxyHost=127.0.0.1...
Take control of your Heroku Git repository
Have you ever wished to have a finer control over your Heroku git repository? There's a neat little Heroku plugin that gives you just that: heroku-repo. Around the first release of my current project, things were happening in a frenzy. There were plenty of last minute...
Missing ldconfig and /etc/sudoers
I was trying to upgrade my Ubuntu installation to 12.10 (Quantal Quetzal), and the update manager (Muon) kept failing with error messages like: dpkg: warning: 'ldconfig' not found in PATH or not executable. dpkg: warning: 'start-stop-daemon' not found in PATH or not...
Bypassing SSL certificate checks during gem installation
I had to re-install rvm on my MacBook because my gemsets were a bit messed up, and I thought I should start over with a clean install. I just rm -rf'ed ~/.rvm, and then went ahead and re-installed it according to the instructions at https://rvm.io/. Installed ruby...