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For some reason I can't start mysql or cups using upstart i.e. "service cups start" results in "start: Job failed to start". How can I debug this? I also tried resintalling using synaptic, but that failed also, since it tries to start process also. This is with 11.04

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Is there some detail in the logfiles? – user unknown Aug 14 '11 at 1:10
nope nothing I can see in the logs. – CptanPanic Aug 14 '11 at 1:43
Long shot I know but... MySQL gives this message when you remove /etc/mysql/my.cnf. – Rinzwind Aug 14 '11 at 5:31
Ok I found some more info: seems apparmor is having some problems. this is in boot.log AppArmor parser error for /etc/apparmor.d/usr.sbin.cupsd in /etc/apparmor.d/tunables/global at line 17: Could not open 'tunables/proc' – CptanPanic Aug 14 '11 at 13:14

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up vote 2 down vote accepted

I found the problem. The file /etc/apparmor.d/tunables/proc was missing, so I copied it from my backup and now it works.

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Nice one! I was close with a missing my.cnf (but I knew that did not cover cups) :D Do upvote and accept your answer! – Rinzwind Aug 14 '11 at 13:38

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