It’s widely regarded that the best practice is to set the time zone of a server to UTC if people are going to be doing sys-admin work from various countries. I’m currently running some RHEL4 servers that are set to Los Angeles time. So I have to convert the time from Melbourne time to UTC […]
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Uwe Hermann has described how to resize a root filesystem after booting from a live-cd or recovery disk [1]. He makes some good points about resizing an LVM PV (which I hadn’t even realised was possible). The following paragraph is outdated, see the update at the end: Incidentally it should be noted that if your […] I’ve been having problems with one of my Xen virtual servers crashing with kernel error messages regarding OOM conditions. One thing I had been meaning to do is to determine how to make a core dump of a Xen domain and then get data such as the process list from it. But tonight I ended […] # foo=bar # name=foo # echo ${!name} bar The above example shows how to make a bash environment variable reference the value of another. # echo ${!f*} foo fs_abc_opts fs_name The above example shows how to get a list of all variables beginning with “f” (NB the wildcard can only go at the end). Related posts: Heartbeat service scripts A service script for Heartbeat needs to support at least… |
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