- syslog-ng happily changes /dev/null ownership and permissions:
crw-r----- 1 root adm 1, 3 Feb 26 23:21 /dev/null

and then some time later you suddenly don't have any clue why soft misbehave, but quite soon you find out /dev/null isn't properly accessible, but you're still guessing who's messing with it. Actually the only hint I had was ownership ( Read more... )

«…-daystart Measure times (for -amin, -atime, -cmin, -ctime, -mmin, and -mtime) from the beginning of today rather than from 24 hours ago. This option only affects tests which appear later on the command line.
…»

 

http://support.microsoft.com/kb/555737

 

# schedule this job only once, when crond starts up
А вообще «… Jobs can be made to “depend” on, or wait until AFTER other jobs have successfully completed. …». И т. п. багофичи

Классная концепция. Нет уверенности, впрочем, что тот же Postgres (даже 9.1) это умеет.

В общем, всё, как всегда, указывает в сторону взрослых RDMBS, например DB2…

http://unix.stackexchange.com/questions/36727/identifying-kernel-modules

UPD. (2012-04-21): «в туда же»: dmsetup ls --tree