centos 7 升級至 almalinux 8 流程

yum install -y http://repo.almalinux.org/elevate/elevate-release-latest-el7.noarch.rpm

yum install -y leapp-upgrade leapp-data-almalinux

leapp preupgrade

rmmod pata_acpi

rmmod floppy

echo PermitRootLogin yes | sudo tee -a /etc/ssh/sshd_config

leapp answer --section remove_pam_pkcs11_module_check.confirm=True

#check any package need to remove if still error

leapp preupgrade

leapp upgrade