I’m using *NIX systems for about 14 years now, but it can still show me new things. Today I had to generate a bunch of random names. I’ve create a small perl script which generates permutations of some usual Hungarian first and last names, occasionally prefixing it with …

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Today I got an interesting task. I had to upload some pdf documents to a site. The domain is ours, but we don’t have access to the application server that is hosting the page yet. Until we get it in our hands, I did a trick.

I enabled mod_rewrite …

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Today I gave a shot to install Oracle Linux. I thought I could easily install an Oracle DBA on it. Well, I was naive.

As only the 5.2 version is supported by XenServer 5.5, I downloaded that version of Oracle Linux. Installing it was surprisingly fast and easy …

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Few weeks ago I’ve upgraded two of our Debian based application servers from 5.0 to 6.0. Everything went fine, as the upgraded packages worked well with the 4.2 JBoss instances. For the new kernel we needed a reboot, but as the network had to be rebuilt …

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After several hours of package.keywords/package.use editing and package compiling, I managed to install GNOME 3 on my notebook. Well, I mean, the GNOME 3 packages. Unfortunately the fglrx driver didn’t seem to recognise my ATI Mobility M56P card, and the open source driver didn’t want …

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Recently I have switched from MRTG + Cacti + Nagios + Gnokii to Zabbix, and I must say I’m more than satisfied with it. It can do anything the former tools did, and much more. First of all, it can do the same monitoring as Nagios did, but it does much more …

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Today I went to the Ethical Hacking conference with my boss. It was my first appearance at such conferences, but I hope there will be more. Although we just started to redesign our IT security infrastructure with a 90% clear goal, it was nice to hear that everything is vulnerable …

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After having some hard times with Ubuntu (upgrading from 10.10 to 11.04), I decided to switch back to my old friend, Gentoo. As I’m currently learning about Linux hardening, I decided to use the new SELinux profile, which supports the v2 reference policy.

Installation was pretty easy …

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