A libc bug involving nscd may cause some Ubuntu 10.04 systems to fail in various ways. The quick fix is to run “cl-asuser service nscd stop” and “cl-update-system” to install a fixed libc. Ubuntu 10.04 is getting a bit old now, and 14.04 LTS is stable – it is straightforward to install a fresh Ubuntu 14.04 onto a Lab system while it is in use, and the reboot into the new system – email sys-admin if you would like your machine upgraded.
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