Katkoŭski took a degree in computer science at the American University in Bulgaria in Blagoevgrad and later worked as an IT specialist in Budapest and in Frankfurt am Main. From 2002, he worked for the Belarusian edition of Radio Free Europe.
On June 16, 2006, he and his wife had a car crash on a street in Prague. Katkoŭski was in a coma for almost a year until he died on May 26, 2007.
In the mid-1990s, Katkoŭski became one of the pioneers of the Belarusian speaking Internet. In the late 1990s, together with his future wife and other Belarusian Internet users, he created the Belarusian historical website Litvania that had notable popularity. Katkoŭski was one of the first and most popular bloggers in Belarusian language known as rydel23. In 2006, he was awarded by the Belarusian top web portal TUT.by for his blog br23.net.
He was the creator and administrator of the website of the Belarusian edition of Radio Free Europe.
Blog by Uładzimir Katkoŭski, in Belarusian and English
Pravapis.org Archived 2003-07-19 at the Wayback Machine
"Litvania, the land of litvins"
An obituary, Radio Free Europe Belarusian edition