Upgrade Oracle Linux 7 to 8 Using Leapp

by Ramses Soto-Navarro ramses@sotosystems.com, 7/27/2022

Overview
Pre-install Steps
Run Leapp Pre-upgrade
Verify Version 8 Local Repo
Run Leapp Upgrade
Verify New OS
Remove Old Kernels


Overview

Brief notes on how to run an online upgrade of Oracle Linux 7 to 8 using Leapp. Audience is experienced Linux administrators.

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UEFI Recovery for Oracle Linux 7

by Ramses Soto-Navarro ramses@sotosystems.com, 7/26/2022

Overview
Create KVM Guest
Start SSH
Partition for UEFI
Format Partitions
Mount and Chroot
Reinstall UEFI Grub2
Initialize UEFI GRUB2
Rebuild the Boot Ramdisk
Last Tasks


Overview

Brief notes on P2V physical to virtual and back, Oracle Linux 7 migration, with UEFI secure boot included; useful for rescue or recovery of physical Linux servers that require UEFI. Here we migrate a physical Linux server to a virtual guest under Linux KVM. The same can be done with Linux version 8. The audience is experienced Linux administrators.

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