There are different kind of memory measurement metrics in Linux. These are the differences: Code Name Description vsz virtual memory...
If you want to find out what type of network card is used for a given network interface on a...
If you want to check the configuration of a running JVM process you can use jcmd. List the running processes...
The Oracle mysql client has an odd behavior if your server uses latin1 as default character-set-server. Command
When you get this error message from e.g. loginctl show-user [...] after you deleted a user from your system:
What is netfilter's Connection Tracking system? The connection tracking system often referenced as nf_conntrack is part of the...
You will need to look here and find your own device. Look for the "bootable CD" download, which will give...
Brendan Gregg is the Linux performance god. Use the information in this link to find out what ways there are...
Like Railscasts or Ruby Tapas, but for Linux.
swaks is a very nice tool to test SMTP. For the most linux distributions you can easily install it with...
Create a 1 GB file to swap to (we have sufficient space on / on this machine. Use a different partition...