I want to make a DVD with some useful packages (for example php-common). The only problem is that if I try to install on a computer that's not connected to internet, I can't validate the public key. ...
I am new to linux and I typed yum update firefox in the shell. During the process, it says: Importing GPG key 0x57BBCCBA "Fedora (12) <firstname.lastname@example.org>" from ...