I went to the 'easyurpmi' site and followed their instructions. Please read the following:
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[nissanka@c83-250-91-176 ~]$ su root
Password:
[root@c83-250-91-176 nissanka]# urpmi.addmedia contrib
ftp://ftp.caliu.info/pub/ distribucions/mandrake/official/2006.0/x86_64/media/contrib with media_info/hdli st.cz
using different removable device [/dev/hdc] for "Free CD2 (cdrom2)"
using different removable device [/dev/hdc] for "Free CD1 (cdrom1)"
using different removable device [/dev/hdc] for "Free CD3 (cdrom3)"
added medium contrib
wrote config file [/etc/urpmi/urpmi.cfg]
examining synthesis file [/var/lib/urpmi/synthesis.hdlist.Free CD1 (cdrom1).cz]
examining synthesis file [/var/lib/urpmi/synthesis.hdlist.Free CD2 (cdrom2).cz]
examining synthesis file [/var/lib/urpmi/synthesis.hdlist.Free CD3 (cdrom3).cz]
computing md5sum of existing source hdlist (or synthesis)
retrieving source hdlist (or synthesis) of "contrib"...
ftp://ftp.caliu.info/pub/distribucio...info/hdlist.cz
found probed hdlist (or synthesis) as media_info/hdlist.cz
...retrieving done
examining hdlist file [/var/cache/urpmi/partial/hdlist.contrib.cz]
examining pubkey file of "contrib"...
...imported key 78d019f5 from pubkey file of "contrib"
performing second pass to compute dependencies
examining hdlist file [/var/lib/urpmi/hdlist.Free CD1 (cdrom1).cz]
built hdlist synthesis file for medium "Free CD1 (cdrom1)"
examining hdlist file [/var/lib/urpmi/hdlist.Free CD2 (cdrom2).cz]
built hdlist synthesis file for medium "Free CD2 (cdrom2)"
examining hdlist file [/var/lib/urpmi/hdlist.Free CD3 (cdrom3).cz]
built hdlist synthesis file for medium "Free CD3 (cdrom3)"
examining hdlist file [/var/lib/urpmi/hdlist.contrib.cz]
built hdlist synthesis file for medium "contrib"
found 0 headers in cache
removing 0 obsolete headers in cache
wrote config file [/etc/urpmi/urpmi.cfg]
[root@c83-250-91-176 nissanka]#
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Has it worked fine? What shall I do more?