I have had virtualmin up and running about 300 domains for about 3 months now. Earlier this week I started getting error alerts from virtualmin that say this :
Monitor on myhostname for ‘PostgreSQL Database Server’ has detected that the service has gone down at 01/May/2013 19:10
The odd thing is, that I am running MySQL, not PostgreSQL. PostgreSQL is not set up and should never be running, and while I could access webmin it said that it was not one of the processes running.
In the past 24 hours, webmin went down and won’t come back. I can restart it and it will run for about 30 seconds, then crash again.
The webserver itself is performing just fine and the memory on the server is at about 45% usage.
Also, I am on Centos 6.
Any suggestions about where I should start looking for a fix?
So after doing some reading on here, it seems that it may have to do with upgrading a VPS while virtualmin is installed.
When I try and update system information, I get this error
Failed to query Postfix config command to get the current value of parameter process_id_directory:
I am very lost.
Hmm, it sounds like there may be multiple issues there.
Are you by chance using OpenVZ?
If so, can you paste in the contents of your /proc/user_beancounters file?
Ah, yeah, you appear to be getting memory failures. Look at the failcnt field on the right – you’ll see a lot of failures for the privvmpages row.
Each one of those failures refers to resources the kernel requested, that were denied by OpenVZ.
You’d need to increase your guaranteed RAM… or better, ask them to remove any burst RAM, as that generally only leads to trouble.