michal wlasenko wrote:

> it seems xlock is not provided in SL4 [at least my yum doesn't see
> it]. is there any alternative available and recommended ?

XClock is located in the xorg-x11-tools package:

$ rpm -qf `which xclock`

xorg-x11-tools-6.8.2-1.EL.13.25.1

To install:

# yum install xorg-x11-tools

And follow the prompts.

-Luke

-- 
Luke Scharf, Systems Administrator
Virginia Tech Aerospace and Ocean Engineering