OOKB - Olaf's Own Knowledge Base

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===== Create a repository to update an offline Red Hat Enterprise Linux system  =====

When running a RHEL server without internet connection, it cannot receive upgrades.\\
But with a RHEL system with the same major release that is online, it is possible to download the required packages and dependencies.

To limit the version to any specific version (8.8 in this example), use: 
<code bash>
subscription-manager release --set 8.8
</code>
To get the latest version 
<code bash>
subscription-manager release --unset
</code>
Clear the cache:
<code bash>
rm -rf /var/cache/dnf
</code>
Create the directory for the repo:
<code bash>
mkdir /opt/rhel
mkdir /opt/rhel/8
</code>

Download the packages for the OS and applications:
<code bash>
reposync -p /opt/rhel/8 --download-metadata --repoid=rhel-8-for-x86_64-baseos-rpms 
reposync -p /opt/rhel/8 --download-metadata --repoid=rhel-8-for-x86_64-appstream-rpms
</code>

===== Update the offline Red Hat Enterprise Linux system  =====

Coning soon ...

OOKB - Olaf's Own Knowledge Base

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