RHCSA RHEL 8 - Practice on the go

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This video details how to make use of a Virtual Private Server (VPS) to practice the RHCSA whilst on the go.

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PuTTY from here: www.chiark.greenend.org.uk/~sgtatham/putty/latest.…

KiTTY here: www.fosshub.com/KiTTY.html

Notes from the video:
Get ready to upgrade
yum -y install dl.fedoraproject.org/pub/epel/epel-release-latest-…
yum -y install rpmconf yum-utils

Resolve all config stuff.
rpmconf -a

Packages you might not need/require, remove if something doens't seem to be required.
package-cleanup --leaves
package-cleanup --orphans

Install DNF.
yum -y install dnf

Remove yum
dnf -y remove yum yum-metadata-parser
rm -Rf /etc/yum

Upgrade system to be up-to-date
dnf -y upgrade

Install new versions:
dnf -y upgrade mirror.bytemark.co.uk/centos/8/BaseOS/x86_64/os/Pa…

Upgrade EPEL
dnf -y upgrade dl.fedoraproject.org/pub/epel/epel-release-latest-…

Dnf clean
dnf clean all

Remove definitely conflicting stuff.
rpm -e --nodeps sysvinit-tools

Try to run the upgrade
dnf -y --releasever=8 --allowerasing --setopt=deltarpm=false distro-sync

Process new configs
rpmconf -a

Ensure kernel is properly installed
rpm -e kernel-core
dnf -y install kernel-core

Install the new packages that is in the Core/Minimum Install:
dnf -y groupupdate "Core" "Minimal Install"

#rhcsa #rhel #linux