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It's possible to use JetPatch when you are working with local repositories. Below is a full user guide on how to setup an Rocky Linux 9 Local Repository server and make sure everything is configured correctly and available for JetPatch usage.

Please note that the instructions below are for setting up local repositories and are not related to JetPatch functionality. 

Prerequisites:

• A server running Rocky Linux 9 
• An active Internet connection, either direct or via a proxy server, that can access dl.rockylinux.org, vault.rockylinux.org and mirrors.rockylinux.org via HTTP (port 80) and HTTPS (port 443).
• Disk space to store a local copy of the mirrored channels Average of 300G > than.

Local Repository Setup

Install the package the includes the utilities to setup local repository

dnf install -y dnf-utils createrepo nginx

Mount the disk space to the newly created repo server as /rocky9 and create the below directories

mkdir -p /rocky9/repo/RockyLinux

In path /etc/yum.repos.d ensure the you have the below files and repositories are in enabled state

Perform the first reposync by using below set of commands to sync from remote public Rocky repository, Sync happen according with the enabled repos. Check the enabled Repos before start sync.

reposync -m --download-metadata --download-path=/rocky9

To have the repo upto date with the public repository of Rocky 9 create file add the reposync to crontab.

Create Cron job to run every Friday at 1 AM using command

crontab -e

0 1 * * * /usr/bin/reposync -m --download-metadata --download-path=/rocky9 >> /var/log/reposync.log 2>&1

Setup the Web Server

Use the below commands to start/enable the service of nginx

systemctl start nginx
systemctl enable nginx

Note: As this is Rocky Linux please make sure the Firewall rule is set to enable port 80

and SELinux is set to permissive state
Also Check and change the permissions: 

chown -R nginx:nginx /rocky9
chmod -R 755 /rocky9

semanage fcontext -a -t httpd_sys_content_t "/rocky9(/.*)?"
restorecon -Rv /rocky9

Point the repositories to the HTTP server, with below set of commands

Enter the below details, vi /etc/nginx/conf.d/rocky9.conf and restart the nginx service.

server {
listen 80;
server_name _;

location /rocky9/ {
alias /rocky9/;
autoindex on;
}
}

Now try to access the newly created Rocky 9 local repository using web

http://<IP>/rocky9/

Setup local yum repo on client servers

Note: The following steps should be performed on all client servers that are configured to sync with the local repositories. We highly recommend using our run-task capabilities, to easily distribute the configurations. 

1. Disable all current repositories in the client servers

2. Create a rocky_local.repo file that will be added to the /etc/yum.repos.d directory on every server using the repositories. That file should look similar to the following file. With file

[rocky_local_baseos]
name=Rocky Linux 9 - BaseOS
baseurl=http://<IP>/rocky9/baseos
enabled=1
gpgcheck=0

[rocky_local_appstream]
name=Rocky Linux 9 - AppStream
baseurl=http://<IP>/rocky9/appstream
enabled=1
gpgcheck=0

[rocky_local_extras]
name=Rocky Linux 9 - Extras
baseurl=http://<IP>/rocky9/extras
enabled=1
gpgcheck=0