On Friday 17 June 2011 19:22:44 Junjie QIAN wrote: > I tried to update the version of the kernel, but failed. To update it you will need to get the kernel from lenny backports. http://linux.koolsolutions.com/2009/02/20/debian-lenny-backports/ I remain puzzled, and would be grateful if someone could explain to me, as to how you are updating from Squeeze (= stable, Debian 6) and running Lenny (= old-stable, Debian 5). Lisi