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OpenSSL::SSL::SSLError: certificate verify failed

Posted by Karl Entwistle 12 months ago

Sometimes you will inherit a ‘legacy system’. This particular system was running Ubuntu 8.04 LTS and Rails 2.3.18. Due to the recent Heartbleed security hole, the applications OAuth provider had updated their security certificates. This meant I was now getting an error and stacktrace, with the rescue message: ‘OpenSSL::SSL::SSLError: certificate verify failed’.

Reproduce the error

You can use the doctor.rb script by issuing the following commands ‘ruby doctor hostname’.

On the client's...

Because Friday newsletters are overrated

Posted by Richard Archer about 1 year ago

I’ve been git-ing it wrong! - Murray Steele

I was helping someone on my team prepare a deploy recently and noticed they tagged the release with git -a tag <sha> -m “tagging for release”. I was mostly confused by the -m, as I didn’t know you could add a message to a tag, but I couldn’t recall seeing the -a either. I did some research, and it turns out I’ve been creating lightweight tags all along. How embarrassing!

Plain Javascript - Murray Steele

There’s definitely a push back on...

The CAT experience

Posted by Priyanka Sushil about 1 year ago

Cat

As a software tester within an agile environment I ascertained that it is not enough to reduce the project timeframes, discard the documentation and change the requirements document name for a project to be true agile. In order for an agile project to work well it requires a fundamentally different mind-set from everyone involved.

I recently took the Certified Agile tester and got the certificate after sitting the exam. The course spans over 5 days, four days of training and a written and...

Haskell at the London Code Dojo

Posted by Henry Turner about 1 year ago

Sleepy Fox recently ran the London Code Dojo here at the Unboxed office. The evening's Dojo was based around a few parts of Day 1 of the Haskell section of Seven languages in seven weeks. It was good fun and I recommend the next Dojo coming up!

One of the problems we attempted was, in my words, the following:

Given the colours black, white, blue, yellow and red, find all unique pair combinations ignoring the order of the colours within each pair.

So, examples of valid pairs are (black...