In the past days I tried to set up CernVM on a Nimbus cloud to get an ATLAS Software Release (local version) running. On this way some problems came up. One of them could be solved by instructing the Xen hypervisor to choose the proper Linux kernel. Famous computing clouds like EC2 and Nimbus offer the possibiliy to inject the public part of a keypair at boot time of a VM. Then you are able to log in as root using your personal keypair. For CernVM this fails for a simple reason. CernVM for Xen comes as loopback file, containing an So I had to increase the size of the image / loopback file and to extend the filesystem afterwards. Therefore I basically used | |
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