Switch your rescue systemroot to your sysroot so that you can access the root file system of the problem server system.
将恢复系统根目录切换为sysroot,以便您可以访问问题服务器系统的根文件系统。
3
More interestingly, if an attacker breaks into the Web server and becomes root, the attacker won't gain control over the whole system — given a good security policy.