SysUsage 3.0 Installation Steps 1
We’ve been using SysUsage to monitor general performance of our Linux servers for a few years. Version 3 was released recently with a new web GUI and simpler installation, but not quite the trivial apt-get install that we’d all love. View a demo.
Anyway, go grab a copy of the source tgz and follow along.
tar zxvf SysUsage-Sar-3.0.tar.gz cd Sys*0 sudo apt-get install sysstat rrdtool librrds-perl perl Makefile.PL make sudo make install sudo crontab -e
Drop these lines into the root crontab.
*/1 * * * * /usr/local/sysusage/bin/sysusage > /dev/null 2>&1
*/5 * * * * /usr/local/sysusage/bin/sysusagegraph > /dev/null 2>&1
I performed these steps using Cluster SSH on almost all our Ubuntu 8.04.x servers; each installation worked.
If you have Apache running in the normal place, browse over to http://localhost/sysusage/ ,
If you don’t run a web server, try firefox /var/www/htdocs/sysusage/index.html to see the results.
Further, our simple rsync over ssh scripts to pull the SysUsage output back to a central performance server are still working. Some of the old data from the v2.12 of the program is still inside the RRD files. It isn’t clear at this point whether the data will be used in the new graphs or not. It takes about a day for the graphs to become useful.
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I can confirm that the installation yesterday is producing reasonable output across all the servers. Nice.
The new graph color scheme is pleasing too with a blue shift. In a few months, the annual graphs will look cool.
I’m seeing a few new stats captured by SysUsage. inode utilization percent, for example. This is a nice addition, especially as we consider implementing data deduplication and ZFS for our host systems.
All the default settings were reasonable. Give them a try if you have a Linux machine. The overhead is very low, IMHO.