Monthly Archives: January 2012

FreeBSD8.2 to FreeBSD9.0 upgrade – ssh key issue

Well in a desperate attempt to get ahead of the curve, I decided to update to FreeBSD 9.0 RELEASE before I put my new mailout servers into production. All has gone well except that on boot I get the following … Continue reading

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OpenSSL Creating a CSR with Additional names

As part of the new bailout project here at Gconnect, I needed an SSL cert with an additional domain in it. the first is the name of the server, the second is the name of the cluster. In order to … Continue reading

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FreeBSD & Carp – failover and load balancing

FreeBSD supports CARP (Common Address Redundancy Protocol) and has done for many years now. We’ve been using it here at Gconnect as part of our ‘Mailout’ system with no issues at all and it’s served use well since FreeBSD version … Continue reading

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Fibonacci and C arrays- the perfect combo

New year upon us and back to the C training. Tonights mission was to output Fibonacci numbers via an array. The Fibonacci sequence is a sequence of numbers where the next number is the sum of the previous 2 numbers. … Continue reading

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Testing SMTP-AUTH from the command line

I’m building a new pair of ‘mail-relay’ servers for customers to mail out through. Customers can only use SMTP-AUTH to send mail, but i needed a method of testing the mechanism. Actually I’ll be using MySQL based usernames and passwords, … Continue reading

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Resetting file permissions for WordPress

WordPress seems to be a minefield when it comes to file permissions. Sometimes we just want to start again and reset the files back to a nice safe setup. Here is my 3 liner to reset ┬ádirectory permissions back to … Continue reading

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Using Mac native VPN client with Cisco VPN

First post of the year! A colleague of mine just emailed to ask how to connect to our network from his Macbook Pro whilst abroad. The quick and easy answer is to use our company VPN which still runs on … Continue reading

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