rescue from openSUSE:Backports:SLE-15-SP5 project
选择您的操作系统
添加软件源并手动安装
对于 step，请以根用户 root 运行下面命令：
zypper addrepo https://download.opensuse.org/repositories/openSUSE:Backports:SLE-15-SP5/step/openSUSE:Backports:SLE-15-SP5.repo zypper refresh zypper install rescue
对于 standard，请以根用户 root 运行下面命令：
zypper addrepo https://download.opensuse.org/repositories/openSUSE:Backports:SLE-15-SP5/standard/openSUSE:Backports:SLE-15-SP5.repo zypper refresh zypper install rescue