Fedora Legacy updates for Red Hat 7.3 Valhalla
Guide by Hamish Paul Wilson on 2021-03-22

1. Gain root privlages:
# su -

2. Download and install Yum:
# wget http://ftp.kh.edu.tw/Linux/fedoralegacy/redhat/7.3/legacy-utils/i386/yum-1.0.3-6.0.7.x.legacy.noarch.rpm
# rpm -i yum-1.0.3-6.0.7.x.legacy.noarch.rpm

3. Download GPG keys:
# wget http://www.icculus.org/~hamish/dianoga/RPM-GPG-KEY
# wget http://www.icculus.org/~hamish/dianoga/FEDORA-LEGACY-GPG-KEY

4. Import GPG keys:
# gpg --list-keys
# gpg --import RPM-GPG-KEY
# gpg --import FEDORA-LEGACY-GPG-KEY

5. Overwrite the following to /etc/yum.conf file:
[main]
cachedir=/var/cache/yum
debuglevel=2
logfile=/var/log/yum.log
pkgpolicy=newest
exactarch=1
exclude=

[base]
name=Red Hat Linux $releasever base
baseurl=http://ftp.kh.edu.tw/Linux/fedoralegacy/redhat/7.3/os/i386
gpgcheck=1

[updates]
name=Red Hat Linux $releasever updates
baseurl=http://ftp.kh.edu.tw/Linux/fedoralegacy/redhat/7.3/updates/i386
gpgcheck=1

#[updates-testing]
#name=Red Hat Linux $releasever updates-testing
#baseurl=http://ftp.kh.edu.tw/Linux/fedoralegacy/redhat/7.3/updates-testing/i386
#gpgcheck=1

[legacy-utils]
name=Fedora Legacy utilities for Red Hat Linux $releasever 
baseurl=http://ftp.kh.edu.tw/Linux/fedoralegacy/redhat/7.3/legacy-utils/i386
gpgcheck=1

6. Install system updates:
# yum update

Getting headers may take a while. Be patient.