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Thread: Munin and Apache problem

  1. #1
    Join Date
    Feb 2007
    Location
    Nagoya, Japan
    Beans
    343
    Distro
    Xubuntu 11.10 Oneiric Ocelot

    [SOLVED] Munin and Apache problem

    Hi, and thank you in advance...

    I Installed munin and I'm monitoring 4 servers (The setup is pretended to be exactly the same... ). I don't have any problem except in one:

    Apache processes are not shown (means, the option for "Apache" is not there.

    I tried directly in /usr/share/munin/plugins/

    Code:
    ./apache_processes autoconf
    and the answer is "yes".

    the same for apache_accesses

    If I try: http://localhost/server-status?auto
    I receive:
    Code:
    Total Accesses: 896
    Total kBytes: 5570
    CPULoad: .00853268
    Uptime: 6563
    ReqPerSec: .0146275
    BytesPerSec: 86.9066
    BytesPerReq: 5941.33
    BusyWorkers: 1
    IdleWorkers: 8
    Scoreboard: ____W____.......................................................................................................................................................................................................................................................
    So I feel my Apache configuration is correct...right?

    I restarted munin-node and I even remove everything from /var/www/munin/ directory. But when it is generated still I don't see any file with "apache" in there...

    Any idea?
    Last edited by LepeKaname; May 27th, 2009 at 07:58 AM. Reason: solved

  2. #2
    Join Date
    May 2007
    Beans
    2,334

    Re: Munin and Apache problem

    Hi,

    What do you see when you try

    munin-run apache_processes config

    and
    munin-run apache_processes

    Regards
    Ian Dobson
    Walking on water and writing software to specification is easy if they're frozen.

    My corner of the internet http://www.planet-ian.com

  3. #3
    Join Date
    Feb 2007
    Location
    Nagoya, Japan
    Beans
    343
    Distro
    Xubuntu 11.10 Oneiric Ocelot

    Re: Munin and Apache problem

    Hi Ian,

    This is what I get:

    $ munin-run apache_processes config
    ERROR: Could not execute plugin (plugin doesn't exist?).

    $ munin-run apache_processes
    ERROR: Could not execute plugin (plugin doesn't exist?).

    $ munin-run apache_accesses
    ERROR: Could not execute plugin (plugin doesn't exist?).

    /usr/share/munin/plugins$ ls -l
    total 500
    -rwxr-xr-x 1 root root 1594 May 10 2008 acpi
    -rwxr-xr-x 1 root root 3999 May 10 2008 apache_accesses
    -rwxr-xr-x 1 root root 4090 May 10 2008 apache_processes
    -rwxr-xr-x 1 root root 4001 May 10 2008 apache_volume
    ...
    I tried the same in the other server (where it is working) and Its fine:

    $ munin-run apache_processes
    busy80.value 1
    idle80.value 9
    But not for accesses:
    $ munin-run apache_accesses
    ERROR: Could not execute plugin (plugin doesn't exist?).
    What is wrong?

    This is my munin.conf (without comments):

    dbdir /var/lib/munin
    htmldir /var/www/munin
    logdir /var/log/munin
    rundir /var/run/munin

    tmpldir /etc/munin/templates

    [localhost.localdomain]
    address 127.0.0.1
    use_node_name yes
    Thank you.
    Servers: Hardy(x4), Lucid(x6);
    Workstations: Quantal(x2), Lucid(x1);
    WM Flavors: Xubuntu(x3)
    Save Energy

  4. #4
    Join Date
    Feb 2007
    Location
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    343
    Distro
    Xubuntu 11.10 Oneiric Ocelot

    [SOLVED] Re: Munin and Apache problem

    I think you point me in the right direction...

    I found that in /etc/munin/plugins/ apache_processes was missing in that specific server... Its strange since apache was installed (and running) before munin... But anyway... I also added the link to apache processes and restarted munin-node.
    Just a sec ago, I saw the changes... we can close this issue.. thank you a lot!
    Servers: Hardy(x4), Lucid(x6);
    Workstations: Quantal(x2), Lucid(x1);
    WM Flavors: Xubuntu(x3)
    Save Energy

  5. #5
    Join Date
    May 2007
    Beans
    2,334

    Re: Munin and Apache problem

    Hi,

    Normally the plugins are stored in /usr/share/munin/plugins and a symbolic link from /etc/munin/plugins to the required plugin in the /usr directory.

    PS. Waiting only one day for someone to answer your questions is asking abit much, it could take afew days for someone to see your post and know where the problem is.

    Regards
    Ian Dobson
    Walking on water and writing software to specification is easy if they're frozen.

    My corner of the internet http://www.planet-ian.com

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