JMX java.lang naming between Windows and Linux (and a bit of OpenNMS)
I’ve been banging my head against something here at work, so thought I’d post the solution up on the Interwebs to hopefully prevent cranial trauma for others.
Recent Posts
Apache unexpectedly adding Vary: Host header to requests
So, I’ve been banging my head against an issue where Apache was unexpectedly adding the Vary: Host HTTP header to responses for certain requests. Unfortunate...
Powershell and WMI, redux
About a year ago I posted some tricks for pulling information about WMI counters on Windows using the Powershell command line tools.
OpenNMS and WMI, update
About a year ago I wrote a couple of posts about setting up OpenNMS with WMI (part 1, part 2), but until recently we were unable to leave this functionality ...
Ubuntu journaled disk quotas
If you install quota support on current versions of Ubuntu, modify your fstab to add usrquota and/or grpquota options, and run quotacheck, you will get a mes...
System.Net tracing
I was trying to troubleshoot an intermittent issue with a .NET application connecting to vsftpd on a Linux box today. The issue is that the .NET application ...
FreeBSD upgrade from 6.4 to 8.0
I’ve recently had reason to source upgrade a FreeBSD box from version 6.4 to 8.0. The safest way to do this is by upgrading first to version 7.2. Here are so...
IIS7 URL Rewrite module - things to know
Things not immediately obvious that you should know about the IIS7 URL Rewrite module, based on our experience at $work and the results of the support call w...
Ubuntu - rssh - sftp only, with chroot
Here’s how to setup rssh on Ubuntu, to allow sftp only with a chroot directory. Note that these instructions are for Ubuntu Server 9.04 x64, other versions m...
OpenNMS and WMI - Part 2, adding more monitors
In the last post about OpenNMS and WMI I covered how to get the WMI monitors included with OpenNMS up and running. Now I’ll cover adding new monitors.