James Crisp

Software dev, tech, mind hacks and the occasional personal bit

Month: June 2010

Workaround for Subversion (SVN) certificate verification error: insecure algorithm on Ubuntu 10.04 Lucid Lynx

If you try to check out your code from a hosted subversion repository, under your shiny new Ubuntu 10.04, you may be disappointed to have it fail with the error:

svn: OPTIONS of 'https://server.com/repo': Certificate verification error: signed using insecure algorithm (https://server.com/repo)

Despite multiple threads on various linux and subversion forums which didn’t really help (it’s not subversion’s fault, it’s from gnu-utils, and yes, it would be great if everyone could get all their hosting providers to upgrade their certificates, and you could patch and recompile relevant utils), I finally found a work around here in Slovak. With a bit of help from Google translate, here is the work around:

Add to the end of your ~/.subversion/servers file:
ssl-trust-default-ca = no

It means you’ll have to verify every certificate manually, but at least you’ll be able to check out your code until you can get your hosting provider to update their certificates! Happy days!

ACS Alm Talk: Presentation Wrap Up & Slides

Thanks everyone who came along last night. It was a fun session, with a lot of lively discussion, especially around project management and software design. As mentioned during the talk, you might want to check out nRake for .NET builds and psDeploy for Powershell deployments. Here are the slides from the talk. If you have any more questions or areas to discuss, please feel free to drop me a line.

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