Sysmon
Description
- Sysmon provide graphics regarding server health.
- It adds a new panel in the server-manager.
Installation
yum --enablerepo=smecontribs install smeserver-sysmon
Configuration
You can access the Sysmon interface in the server-manager.
By default Sysmon monitors your SME Server gateway, and you can add additional hosts. You can also change some default variables. These are:
hosts
Default: Your SME Servergateway
Add additional hosts to monitor as a comma separated list:
config setprop sysmon hosts 192.168.1.10,www.cnn.com,www.google.com
Hosts will be ordered in the server manager panel alphabetically. If you change the hosts and want to remove the old hosts you may need to clear the respective files in /var/lib/rrd
To see stats for the other hosts, from the Sysmon page click the 'Daily' Graph (5 Minute Average) link
pingscale
Default: 300
config setprop sysmon pingscale xxx
maxscale
Default: 400
config setprop sysmon maxscale xxx
After changing one of the above values you will have to restart the sysmon servce
service sysmon restart
and wait for 5 minutes for the new data to be displayed in server manager.
Upgrade
When upgrading to a newer version, all Sysmon data will be automatically backed up to a backup directory /var/lib/rrd/backup/ If you upgraded from at least version 6.1, you can bring back old Sysmon data, thus retaining the Sysmon history. Please use the following commands to restore Sysmon history data:
service sysmon stop cp -f /var/lib/rrd/backup/*.rrd /var/lib/rrd/ service sysmon start
Uninstall
yum remove smeserver-sysmon
Remove rrd data manually in /var/lib/rrd/ directory.
