Opinions on building highly available software businesses
One of the quickest ways (faster than scp at any rate) of copying a large number of files between 2 servers is by abusing the awesome powers of Linux’s pipeing and netcat and tar! Basically we set up netcat listening on the server you want the files copied too which pipes it’s output to tar […]
We handle DNS for thousands of domains for our customers and whilst our existing solution worked it was very messy to maintain and work with so we decided to trial a new solution for our offices to see how it would perform. We wanted something that could be database driven for ease of maintenance and […]
The Linux Virtual Server is a highly scalable and highly available server built on a cluster of real servers, with the load balancer running on the Linux operating system. The architecture of the server cluster is fully transparent to end users, and the users interact as if it were a single high-performance virtual server. We […]
Our developers were experiencing a weird problem recently with our SVN installation where they couldn’t copy any files in SVN, they would always get the following error svn: COPY of /project/!svn/bc/5121/trunk/path/file.gif: 502 Bad Gateway (https://svn) A quick fix of course would have been to just create a new file and copy the contents but this […]
We run a lot of Xen instances for our development and test servers and a few were starting to get full. Fortunately the disks in the real servers were very large and the xenlet partitions were made using LVM so resizing them to add more space was possible! Basically we just have to shut down […]