Using a screen expanding to two monitors was always easy until I installed the proprietary NVIDIA drivers.

The popular DNSBL rfc-ignorant.org is closing down soon. Make sure, you are no longer including this DNSBL in your mail configuration.

If you migrate an RRD-based tool like SmokePing, Cacti or ZeroD you may run into the problem, that the target system can no longer use the historic data, if the default number representation changes (big/little endian, 32/64 Bit, …).

In all these cases the following procedure should work. It’s important you dump on the original architecture and restore on the target system.

The default installation of snmpd in Debian 6 Squeeze will put warnings into the daemon.log.

If you need details about whats going on within your MySQL instance, the query log is very useful, even though it’s not recommended for permanent use, due to the performance impact and disk space consumption.

For quick analysis of the options and health of a Java VM I used the jconsole tool (part of JDK) in the past. But that changed.

It was time for another update from https://github.com/nadlabak/android/downloads.

I recycled an old script I used several years ago to automatically generate an ISO image from selected subfolders. The idea is, that the content is written to CD/DVD archive as soon as the total capacity passes the media’s limit.

While I was introducing an iSCSI pool to libvirt with KVM, a new interface was introduced to Open-iSCSI called libvirt-iface-*, with the effect that LUNs were no longer detected after target login.

Ubuntu announced to discontinue packaging of Sun/Oracle’s Java for Ubuntu, because Oracle changed the licensing.

Please be careful with upgrades on these packages, since it may drop your Java installation on the system, not only the browser plug-in.