Petr’s blog about Linux

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 [...]

I decide to create hotspot from my server to allow other connect to Internet for free. I used “Captive portal” solution based on these applications: CoovaChilli FreeRadius MySQL daloRADIUS When somebody wants to connect to Internet using my wifi, the first page he can see is the register/login page (whatever page he wants to visit). [...]

I got 16 GB USB flash from my brother, because he can’t see me still using my old 64 MB. He decided to buy Imation Nano-Flash-Drive. Because of many of my friends and colleagues are using Win, I use NTFS on it. Old FAT is not “usable” in these days, because it can’t handle bigger [...]

One day I checked dmesg from one of my servers and I saw I/O errors gate:~ dmesg … [ 4220.798665] ide: failed opcode was: unknown                                                     [ 4220.798665] end_request: I/O [...]

I need to connect to the Oracle database in my work to get some data from it. I’m not the Oracle expert, but I decided to use DBD::Oracle. Most of the manuals and how-to pages describe, how to install client libraries to system (usually as root), which was not my case. I just need one [...]