Anolis 8.8 (CentOS 8) install snapper to support system snapshot.
- cd /etc/yum.repos.d/
- wget https://download.opensuse.org/repositories/filesystems:snapper/CentOS_8/filesystems:snapper.repo
- yum install snapper
- sudo yum install python3 python3-setuptools
- sudo yum install git
- git clone https://github.com/ricardo-vieira/snapper-gui/ //have error message: 403 error
- git config --global url."https://ghproxy.com/https://github.com".insteadOf "https://github.com"
- git clone https://github.com/ricardo-vieira/snapper-gui/ //success
- cd snapper-gui
- python3 snapper-gui
note: the snapper only support btrfs, ext4, kvm, not support xfs, so when install linux next time, must choose the filesystem as btrfs or ext4, not xfs.