Author Archives: iainr

Cloud survey results

Earlier this year we conducted a survey of VM/cloud usage. The project has now concluded and a formal report on the project can be found on the Rat Unit wiki This includes a link to the survey report itself. Copies … Continue reading

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DICE Gridengine cluster retirement

With the upgrade to Sl6.4 we have opted not to upgrade the gridengine based beowulf cluster and this service is now decommissioned. The hardware is now fairly elderly and ECDF/Eddie provides an equivalent service with better resources for high thoughput … Continue reading

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Web browsers on DICE

An overview of what browsers are available on DICE Continue reading

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SSL server certificates

For anyone looking to provide an SSL certified service IS (through JANET) can provide COMODO certified certificates which are valid for 1,2 or 3 years. The certificates can only be used for non commercial or financial purposes and are signed … Continue reading

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PATHs retraced and revised

SL6 is the first upgrade of DICE we’ve done since we removed the last of the Schools Solaris servers. Given we’re unlikely to be buying more we’ve done some spring cleaning on the PATH, MANPATH and various other environmental variables. … Continue reading

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Decomissioning Condor

With the DICE SL6 upgrade we will be formally decommissioning the schools two Condor pools over this summer. Condor is a system for stealing unused cpu cycles from distributed commodity computers for use as a High Throughput Computing platform. For … Continue reading

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Is there a hole in your Dropbox?

We often get asked to install Dropbox on DICE, it hasn’t happened before now, mostly for reasons that are probably too long and boring to go into on the systems blog (but if you’re interested). However if you have hand … Continue reading

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