RPMS:
rpm -Uvh /mnt/cdrom/../autofs
-Uvh --nodeps xxx.rpm
--> with no dependencies
-e rpm-name-1.0.3 --> unninstall
-U,F --> on the old 1
-q zsh -l --> name ,ver , release.
-ihv file_name.src.rpm
-qa|grep gcc
-->list of installed componnents (here gcc)
www.redhat.com/network --> setup through net
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