Jozef Jarosciak ml. – Blog

This is a simple guide on how to block an IP address in Centos, RHEL or Fedora Linux.

This is a simple one liner to automatically check, repair and optimize all MySQL tables and all databases:

Step by step guide on how to upgrade WRT400N from original Linksys firmware to DD-WRT. This guide is for DD-WRT v24-sp2 released by BrainSlayer on 17.Feb.2011. In terms of functionality, these steps will basically turn your $80 router into $500 router.

I’ve tried to write my own client to post messages to Usenet newsgroups using PHP and most scripts you’ll find on the net either do not show you how to connect to a Usenet server using credentials (name/password) or they do not let you error debug the connection (leaving you blind when something goes wrong [...]

This is very simple:

I wrote a simple .Net program to Check SSL Expiration Date (ssl expiry date) of any remote web site (url).

If you get an error “hotspot failed to start” trying to turn your N900 into a hotspot using mobilehotspot, follow these steps to resolve the issue:

Working in network support environment, I get this question asked so many times, I’ve stopped counting long time ago :) Here are 3 ways of doing it:

I’ve compiled this list of direct urls to CBC radio 1,2,3 online streams, in order to make it easier to add radio streaming to your phone players, etc…

If you get an error “Fault outside of MS-DOS Extender”, when installing Win98 in Virtual Box (vbox), take these steps to solve the issue:

Just follow these steps:

This is is a simple guide for those who’re wondering how to develop application for N900 in Windows.

Nokia N900 can work with Google Calendar, all you need to do it follow these steps to set it up.

If you’ve encountered Windows 7 Error: New bad clusters were found on the source volume. These clusters were not backed up. (0x8078007D), when running Windows 7 system image backup, there is a simple way to fix the problem.

Here is a simple program written in VB.NET 2008 to calculate as many decimal places of letter Pi (the ratio of the circumference to the diameter of a circle) as necessary.