I tried to do this in Konsole and came up with these errors:
[ter@localhost ~]$ su
Password:
[root@localhost ter]# urpmi.addmedia contrib
ftp://ftp.cise.ufl.edu/pub/mirrors/m.../media/contrib with media_info/synthesis.hdlist.cz
unable to access hdlist file of "contrib", medium ignored
medium "contrib" already exists
[root@localhost ter]# urpmi.addmedia jpackage
ftp://ftp.rutgers.edu/pub/Mandrakeli...media/jpackage with media_info/synthesis.hdlist.cz
unable to access hdlist file of "contrib", medium ignored
added medium jpackage
write config file [/etc/urpmi/urpmi.cfg]
urpmi database locked
[root@localhost ter]#
Please help.