IPerf is a free Linux tool that can be used to test throughput of network devices. It comes into its own if you plan to test maximum bandwidth performance for TCP & UDP.
On its own it is great, but when used in conjunction with JPerf it is even better. JPerf is a simple [...]
I have been meaning to spend some quality time with Linux LVM. Some of the features that Linux Volume Manager offers (according to Wikipedia) are:
Resize volume groups online by absorbing new physical volumes (PV) or ejecting existing ones
Resize logical volumes (LV) online by concatenating extents onto them or truncating extents from them
Create read-only snapshots [...]
Following a request on a previous post, I have written this post about how to change the timezone of an ESX host from the command line.
* – None of the below requires an ESX host reboot.
Check the current timezone using the following command:
cat /etc/sysconfig/clock
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