Had this problem:
deployed on a server one powerful system with possible users of the system, like the desktop. Each user should be assigned a certain strictly defined configuration (for example, 1 core, 2GB operatives, etc.). Everything should be as transparent to the end user (connected, job, disconnected).
I am developing a manual test in which there is a need to simulate disabling SCSI fiber channel.
Uses SCSI FC adapter QLogic ISP2532 coupled with OSes CentOS 6.2.
Sometimes you are in a situation where you need to mount a hard drive, partiiton or directory from the OpenVZ host inside an OpenVZ container - for example, you add a fast SSD to the host and want to put
sysbench is a benchmark suite which allows you to quickly get an impression about system performance which is important if you plan to run a database under intensive load. This article explains how to benchmark your CPU, file IO, and MySQL performance with sysbench.
VirtualBox is a great virtualization solution, however if lacks one big feature: the ability to take screenshots of a virtual machine. Of course, you can use the host operating system’s print screen feature, but this wil ltake a picture of the whole workspace, including window decorations, etc. which you will have to remove in your iage editing software which is a tedious task.
This guide explains how you can run virtual machines with VirtualBox 4.1 on a headless CentOS 6.2 server. Normally you use the VirtualBox GUI to manage your virtual machines, but a server does not have a desktop environment. Fortunately, VirtualBox comes with a tool called