Firewall Throughput Just like it says, the amount of packets going though the iptables firewall. Often this firewall is active on all interfaces on the system.
Fork rate Processes are created by forking a existing process into two processes. This is the rate at wich new processes are created. These random numbers are needed to create SSL connections. If you create a large number of SSL connections this randomness pool could possibly run out of real random numbers. File table usage The total number of files open in the system. If this number suddenly goes up there might be a program that is not releasing its file handles properly.
Stack Overflow for Teams — Collaborate and share knowledge with a private group. Create a free Team What is Teams? Collectives on Stack Overflow. Learn more. Of course you can. Everything you define in munin. Example: On the host foo. Then, your munin. This also applies to almost all other parameters in the plugins, even if overriding those might not make much sense. Directly editing the plugin to change some config is really discouraged, better enhance the plugin for it to support plugin configuration and submit it upstream.
This will save you lots of work on future maintenance when you will upgrade the plugins packages. The cdef is fed to rrdtool graph so the man-page for rrdgraph should give you a bit more info. When you create a cdef-field, be sure to use the fieldname at least once in the definition, or rrdgraph will croak with an error.
In your munin. You can modify a graph with two data fields to a percentage view with the following cdef gotten from Nicolai Langfeldt. It uses two field names, hit and all with hit being the field you want in percentages of all.
It can, however, be used to define alises from other graphs. You cannot, however, specify extra arguments for the fields. Same as stack, with one exception: drop the alias-bit in the field definition. Note that in munin 1. To specify that we want to modify a variable under the domain, supply an empty host:. For example:. Then use ssh to establish the tunnel: ssh -L localhost -f -N -i keyfile user ssh-node.
This will establish a tunnel between TCP ports on the calling machine to on the called machine. It will also send ssh in the background after possibly asking for a passphrase, a password or something like that. Since we are using a key made for this purpose, we have to specify that file with this key.
You should protect against misuse of ssh by creating a special key and possibly also a special user. We are also restricting a few options:.
For interface eth0 on host foo. Check that the plugin has no references in munin. Thank you!!! Do not edit munin-cgi-graph file. Any other suggestions? Thank you!! They all must be writable by the user running munin-cron.
They are all defaulted to the values you see here. Note that it has to be writable by the cgi user usually apache. Since 2. It is single threaded by design now. This is not optimal since it results in high CPU and memory consumption to the degree that the system can thrash. Again the default is 6.
Default is The default max number of processes is 16, and is probably ok for you. If set too low, munin-update might take more than 5 min. If you want munin-update to not be parallel set it to 0. To reduce IO and enable the use of the rrdcached, uncomment it and set it to the location of the socket that rrdcached uses.
In addition, the services must be defined in the Nagios server as well. The graph "load1". We want to see the loads of both machines Now we want them stacked on top of each other.
Silly, really. The graph "load3". Now we want them summarised into one field load3. Hi kimheino, I do not have any. Hi Kimheino, create the file "local. Then, rename the file "munin.
This is what you suggested to me? I still have the problem. Thanks greetings. Please describe precisely, what "does not work" means. Which pages can you see? Which details are missing? Which errors are visible in the development console of your browser? Hello Kimheino, I can enter munin main screen and see the graphs.
Set the 'ServerName' directive globally to suppress this message [root bkpagu httpd] It would be useful to tell me: what file should I have where should it be located I have modified several in these tests and I am sure they are well. I mean for example: the file "local. Search forums. How can I force reinstall Munin.
JavaScript is disabled. For a better experience, please enable JavaScript in your browser before proceeding. Kent Brockman Well-Known Member. Suddenly, Munin stopped recording data and graphs, so I tried the known solution: uninstall it and reinstall it again. But it didnt work. I need some command to force reinstall and download all the needed components in case something have been screwed in the disk.
Any help please? Thanks in advance! I pasted the logs below: Regarding uninstalling: Code:. Apr 11, 47, 2,
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