Monitoring
RRDcached is a daemon that caches a bunch of RRD write requests and apply them at once. This enables to speed up RRD files update. When you install Munin on OpenBSD, RRDcached is also installed by default. But there are things to do to actually use it. Here’s how I did it.Continue reading...
It’s been a while since I used Munin monitoring system . I felt like I was going to have a look at the (not so) new 2.0.x branch ; running on my brand new OpenBSD 5.7. As usual, everything is quite well documented in the man pages and readmes. So here are simply my notes with particular directions regarding my installation.Continue reading...
There are many times when I see IT managers not monitoring their user’s services at all or setup a general application and consider the job done. Most of the time, they realise much is missing when they have to report about (recurrent) issues regarding business critical services. Monitoring is not to be considered as a cure solution but as a forecast tool. When planned and configured as such, it’ll help prevent predicable failures and drive capacity planning.Continue reading...
VMware provides a vCenter (Linux) Appliance since vSphere 5. Unfortunately, the one shipping with 5.0 was a bit low on features. I am giving a try on v5.1 and it is far better. Except that SNMP in not enabled…
I’ll keep the quick&dirty directions here. The source link is already quite complete.Continue reading...
OpenBSD ships with an LDAP daemon since 4.8. I have an all-in-one server from which the LDAP service has to be shipped out. I’m going to replace that OpenLDAP daemon with the LDAP daemon from OpenBSD 5.1. I already wrote about how to enable LDAP on OpenBSD 4.8 .
Those will be updated notes for OpenBSD 5.1 and additional directions to allow monitoring the LDAP activity using SNMP and Xymon server.Continue reading...