package: munin version: 1.4.5-3 severity: wishlist Hi,
cgi-graphing is not enabled out of the box and needs some manual steps to
work, some of which are not or under documented.
This is a rough howto:
in /etc/apache2/sites-available/ add:
Alias /munin /var/cache/munin/www
ScriptAlias /cgi-bin/ /usr/lib/cgi-bin/
<Directory "/usr/lib/cgi-bin">
AllowOverride None
Options ExecCGI -MultiViews +SymLinksIfOwnerMatch
Order allow,deny
Allow from all
</Directory>
<Location /usr/lib/cgi-bin/munin-cgi-graph>
SetHandler fastcgi-script
</Location>
then run:
a2enmod cgi
/etc/init.d/apache2 force-reload
then run:
# munin-cgi-graph should be able to write to the log file and graphics files.
adduser --quiet munin www-data
[ -f /var/log/munin/munin-graph.log ] || touch /var/log/munin/munin-graph.log
chgrp www-data /var/log/munin /var/log/munin/munin-graph.log
chmod g+w /var/log/munin /var/log/munin/munin-graph.log
chgrp -R www-data /var/cache/munin/www
chmod -R g+w /var/cache/munin/www
# now modify /etc/logrotate.d/munin
# (keep the entries not mentioned here...)
/var/log/munin/munin-graph.log {
daily
missingok
rotate 7
compress
notifempty
# modfied for cgi-graph:
create 660 munin www-data
}
# finally, append this to /etc/cron.d/munin
#
# workaround bug in munin-html with cgi-graphing every other hour
23 */2 * * * root find /var/cache/munin/www/ -type f ! -perm 664 -exec
chmod 664 {} \;
24 */2 * * * root find /var/cache/munin/www/ -type d ! -perm 775 -exec
chmod 775 {} \;
25 */2 * * * root find /var/cache/munin/www/ -type f ! -group
www-data -exec chgrp www-data {} \;
The last thing should really be fixed in munin-html, and the logrotate file
should also be fixed to support both cgi and legacy graphing.
cheers,
Holger
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