Restrictions on Munin
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  1. Tom Risager
  2. Monday, 09 September 2013
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I have installed a new cPanel server on Cloudlinux. One issue I have encountered is with the Munin plugin which no longer has full access to the system. 

For example, when I view the processes graph, it shows between 12-15 active processes - instead of the usual ~220 processes. It seems that Cloudlinux is restricting Munins access to collect this information. The same applies to the number of threads - and possibly other parts of Munin that I just have not encountered yet.

Is there some way of removing this limitation on Munin?

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  1. 10.09.2013 09:09:06
  2. # 1
Tom Risager Accepted Answer
Posts: 1
Joined: 09.09.2013
In case others run into the same issue: I asked cPanel support about the problem (since I bought the license from them). They pointed me to this part of the documentation:

Their suggestion was to add the gid of the munin user as the fs.proc_super_gid in /etc/sysctl.conf. After running sysctl -p, the munin process is now able to see all processes and threads on the system. (I also restarted munin-node, however I'm not sure this was necessary).
  1. 30.06.2018 01:06:05
  2. # 2
Jon Wong Accepted Answer
Posts: 0
Joined: 23.09.2020
Just to update everyone this is the new URL for the Proc filesystem.
  1. 03.07.2018 12:07:31
  2. # 3
Igor Ghertesco Accepted Answer
Posts: 153
Joined: 07.08.2015
The correct link is: (the previous one does not work for some reason)
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