Petr’s blog about Linux

I decided to move this blog to Google’s Blogger, because I don’t want to run my own server (hardware) any more. The domain will be the same, but all the RRS feeds and pages will have new structure. The WordPress engine is much better than Google’s, but there are no free hosting services where you [...]

Sometimes you have a RHEL/CentOS server which is not connected to the Internet. But you should also install security update to prevent local hackers to mess up your system. I was not able to find some nice description how to do it. Some people are using proxies – but then you still need some connection [...]

Sometimes you need to run Nvidia proprietary drivers in various linux distributions. I was able to run it on standard RHEL 6.0 installed as “Desktop” with the following commands:

If you are using DHCP server in your network environment, it’s handy to be able to boot from network. It brings you many advantages especially when you are not able to boot operating system from the workstation’s disk. I would like to describe my experience with DHCP server called Dnsmasq. This software can also serve [...]

Like every UNIX server admin, I’m using many various text based configurations on my machines. It’s important to track “every” change of these important files to prevent problems with service stability. I decided to set up Subversion server and store all useful configurations from my Linux boxes there. For this purpose I wrote script svnci [...]