update httpd in CentOS 7.9

Discussions related to the 1.36.x series of ZoneMinder
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sergmx
Posts: 36
Joined: Thu Jun 17, 2021 3:48 am

update httpd in CentOS 7.9

Post by sergmx »

A week ago there was an update to httpd in CentOS 7.9. Immediately after the update httpd did not start. I rebooted the computer and everything seemed fine, but then again today httpd crashed with the log.

CentOS Linux release 7.9.2009 (Core)
httpd-2.4.6-97.el7.centos.2.x86_64

[Sun Nov 21 03:49:03.114788 2021] [lbmethod_heartbeat:notice] [pid 1073] AH02282: No slotmem from mod_heartmonitor
[Sun Nov 21 03:49:03.277642 2021] [core:emerg] [pid 1073] (28)No space left on device: AH00023: Couldn't create the mpm-accept mutex

This was not the case before the last httpd update. What can be done ?
Magic919
Posts: 1381
Joined: Wed Sep 18, 2013 6:56 am

Re: update httpd in CentOS 7.9

Post by Magic919 »

It says it’s out of space in the device. Probably semaphore limits rather than disk space.
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sergmx
Posts: 36
Joined: Thu Jun 17, 2021 3:48 am

Re: update httpd in CentOS 7.9

Post by sergmx »

Yes, I read about that. But for some reason it only applies to the zoneminder. And after rebooting everything seems to work, but not for long.

Maybe who is an expert in this matter and advise general recommendations for configuring semaphores for zoneminder?
Magic919
Posts: 1381
Joined: Wed Sep 18, 2013 6:56 am

Re: update httpd in CentOS 7.9

Post by Magic919 »

I expect it's Apache rather than ZM directly.

See how many you have and check the limits on your machine.
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kitkat
Posts: 193
Joined: Sun Jan 27, 2019 5:17 pm

Re: update httpd in CentOS 7.9

Post by kitkat »

I'm going to chime in with some anecdotal evidence and say that I'm running CentOS 7.9.2009 (Core) with httpd-2.4.6.97.el7.centos.2.x86_64 and ZM 1.36.10 and I haven't seen the same problem here.

That's probably not especially helpful, I know, but perhaps useful to someone and it might point to something else on the server causing the problem rather than ZM or Apache.
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