Tag Archives: zenoss

Quick Tip: Drilling into zenoss data with zendmd

Sometimes you want to know what value zenoss has for something. The numbers sent in alerts seem to be the value that zenoss has, but the graphs are usually formatted to make more sense. 1394606080 might come in an alert, but on the graph it would show as 1.3 or 1.4G. It can cause some […]

CheckDomain Zenpack

No one likes to forget to renew a domain. Its not wholly uncommon though. Microsoft forgot to renew passport.com in 1999, and hotmail.co.uk in 2003. Vivendi Universal forgot to renew its MP3.com in 2003, the Washington Post forgot to renew in 2004, and Foursquare forgot to renew their domain in 2010. I stumbled on the […]

Nginx stub_status Zenpack

Nginx is a great little web server. I have posted previously about using it as a reverse proxy. Weather your using it as a reverse proxy or as a normal webserver you will probably eventually want to know what its doing over time so you can adjust resources as necessary. The other day I threw […]

Monitoring A/B PDU Load with Zenoss

Redundant power is a necessity for any highly available system. Most servers have redundant power supplies and the common design pattern is to have each power supply plugged into a power distribution units that are on separate circuits. One challenge with this type of dealing with this type of design is monitoring the power load. […]

Notes on Zenoss ZenPacks

Recently I was building a ZenPack for Zenoss. The ZenPack included an Event Command which executed a custom script. I wanted to store the custom script in the ZenPack and I didn’t want to do anything other than have proper script dependencies in place for it to work. Custom scripts can be placed in $ZENHOME/ZenPacks/ZenPacks.CompanyName.Package/Zenpacks/CompanyName/Package/lib […]