This work by Stephane KATTOOR is licensed under a Creative Commons Attribution 3.0 Unported License.
This posts gives a short intro about VLAN and a simple configuration sample on a DELL PowerConnect 5224 switch with an OpenBSD machine.
If you are looking for a procedure to reset the password of a Dell PowerConnect switch, you’ll find it at the Dell support forum in the following thread : PowerConnect Password Recovery Procedure for managed switches.
As far as the 5224 is concerned, you mostly have to hold Ctrl-F from the power-on till the end of the boot of the switch, which will bring the “reset to factory ?” question and solve the problem of the lost password.
The User Guide for the 5224 is available online.
MySQL uses the so called binary log files to implement master/slaves replication.
CFEngine can do wonders to keep a cluster in shape, but it can be very useful for a single server as well. Here is a configuration sample to monitor a few common services and restart them should they fail.
If you got the following error in WordPress when saving, auto-saving, or commenting on a post :
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