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Ruby Gems on Ubuntu 8.10

tony — Thu, 20 Nov 2008 15:06:21 +0000

Today I was setting up ruby, rails and capistrano on Ubuntu 8.10. It turns out that the gems binary path was not in my path.

To fix it, edit your ~/.bashrc file.
gedit ~/.bashrc

Add these lines to the bottom of the file.
#Export the path for Ruby Gems export PATH=$PATH:/var/lib/gems/1.8/bin

Save it and then source the file (to save you from logging-out and back in again).
source ~/.bashrc

Then you should be able to run capistrano as you would expect.

Please note: There are potential problems with this as Ruby Gems can install system libraries in this path that end up being used instead of the correct system ones. This can potentially cause problems. See Launchpad bug #262063 for a discussion of the issue.

SSH tricks: Forward and Reverse Tunneling for Fun and Profit

tony — Tue, 11 Nov 2008 20:21:56 +0000

SSH or Secure SHell is a protocol for connecting to a remote computer’s shell securely. Many people use it for just this purpose, but there are several less used, yet extremely useful tricks you can use to get more out of SSH.

In this post, I will cover what forward and reverse tunneling of ports through SSH is. Why you would want to do it, and how to do it. Port tunneling is also known as port forwarding.

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Recovering photos from a formatted camera…

tony — Fri, 07 Sep 2007 14:33:43 +0000

I’ve just come back from my sister-in-laws wedding. It was great and we took some really good photos. (When I see we, I mean Jude took some really great photos, and I cut some peoples head off). Unfortunately, we accidentally formatted the card and lost all of our photos.

Being fairly geeky, Jude and I thought we might be able to recover some of the photos. Never tried it before, but thought it should be possible. If they can do it on CSI, it must be possible. Right?

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