[CentOS] dmesg and messages differences
John R Pierce
pierce at hogranch.comThu Jan 20 18:39:11 UTC 2011
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On 01/20/11 10:02 AM, Keith Roberts wrote: > Hi everyone. > > I just wondered what's the difference between > /var/log/dmesg, and /var/log/messages? /var/log/dmesg is a dump of the output of the dmesg command shortly after boot by rc.sysinit. this is done because the kernel message buffer that dmesg (8) dumps often overflows and wraps during normal operations with crud like... TCP: Treason uncloaked! Peer 87.181.155.69:49289/8068 shrinks window 3515263916:3515269047. Repaired. /var/log/messages is the catch-all for syslogd (8), and is updated constantly.
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