The version of CRIU which is included with CentOS is updated with every minor CentOS release (at least at the time of writing this) since 7.2, but once the minor CentOS release is available CRIU is not updated anymore until the next minor release. To make it easier to use the latest version of CRIU […]

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After many years the whole RPM Fusion repository has grown to over 320GB. There have been occasional requests to move the unsupported releases to an archive, just like Fedora handles its mirror setup, but until last week this did not happen. As of now we have moved all unsupported releases (EL-5, Fedora 8 – 25) […]

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I will be giving two talks about OpenHPC in the next weeks. The first talk will be at DevConf.cz 2018: OpenHPC Introduction The other talk will be at the CentOS Dojo in Brussels. I hope I will be able to demonstrate my two node HPC system based on Raspberry Pis and it definitely will be […]

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After having worked on optimizing live container migration based on runc (pre-copy migration and post-copy migration) I tried to optimize container migration in LXD. After a few initial discussions with Christian I started with pre-copy migration. Container migration in LXD is based on CRIU, just as in runc and CRIU’s pre-copy migration support is based […]

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For almost two years Mike Rapoport and I have been working on lazy process migration. Lazy process migration (or post-copy migration) is a technique to decrease the process or container downtime during the live migration. I described the basic functionality in the following previous articles: Lazy Process Migration Combining pre-copy and post-copy migration Those articles […]

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As I’m currently switching phones I had to revisit the issue of how to get sshd running on a pristine LineageOS install. I decided to collect the steps here as the how-to formerly available on the CM wiki has vanished together with CM itself. Note that some  steps are not incredibly detailed and you really […]

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