Nowadays, very PC virtualization to spread. At the same hardware allows us to run multiple virtual machines. Thanks to the savings in funds for the purchase of new hardware and electricity. This solution is particularly suitable for servers. However, virtualization is also available for desktops. There are several different ways to virtualize PCs. All are described in Wikipedia ( http://en.wikipedia.org/wiki/Virtualization ).

Paravirtualisation is a virtualization technology which is a software interface to a virtual PC that is similar but not identical to the hardware on which it runs. I know a few programs that allow it (VirtualBox, VMware, QEMU, XEN, ...) but I personally only used VirtualBox and VMware.

continuation of the article 'through VirtualBox Virtualization "

Today I have resolved a significant change in my servers. Group I to the RAID disks, in case of failure. It is also easy to create a software RAID during installation as the runtime system. However, the latter is more likely to give loss of the island during this process. Unfortunately, I had a choice, and since the server I have at hand, I had to do nadiaľku. I used information from this site and I can say that now the server is back online. With RAID1 system is now immune to damage or failure of one disk. Who wants to learn more about RAID arrays, whether you read the article on Wikipedia: http://sk.wikipedia.org/wiki/RAID

On my web servers running SpamAssassin as a spam filter. Today I set it to automatically lubricated messages marked as SPAM SpamAssasin exceed a fifth score Really helped me to link to this page . Of course, it was necessary to modify it for their own use.

Appendix 13.11.2008

So the filter is proved. Before I went 50-80 spam a day. After mounting the filter is only 5 spam in one day. These are all messages whose score is below 5 points. SpamAssasin modifukuje header message marked as spam and set the flag X-SPAM. Modern email clients with such a message can deal with and treat it according to the program settings. Either remove it right away, or moved to spam folder.

Today I'm at work solved an interesting problem. I needed to install and update Debian server. This would not be anything complicated, but the problem was that the server is a network where there is no internet access and safety reasons or may not be an Internet connection.

continuation of the article, "Apt-cacher"

"They can play games on it?" This is the most common question users who are interested in starting Linux. On this there is a simple answer is yes!. Many new games are programmed for multiple platforms. For example, Doom3, etc. QuakeWars. There is a program Wine , with which you can play games on Linux for Windows. Some games are reprogrammed to run well under Linux. One such company is Linux Game Publishing . Other games are programmed directly on Linux. Server Linux Links conducted a poll of its readers for their favorite games for Linux. Based on the responses compiled ranking. As they came very much divided the results into two parts. To make this game included in the rankings, had to meet the following conditions:

• free play (no download fees, no other fees)
• Wine does not need
• not in the early stage of development.

Ranking is divided by genre games. Here is Part 1 and here is Part 2 .