一些美丽的头脑可以解释一下“创建切片 user-0.slice”的这些条目是什么。和“启动用户 root 的会话 2025”。请在 Centos 7 的 /var/log/messages 中？
[root@bew /]# tail -f /var/log/messages
May 26 21:20:01 bew systemd: Created slice user-0.slice.
May 26 21:20:01 bew systemd: Starting Session 2025 of user root.
May 26 21:20:01 bew systemd: Started Session 2025 of user root.
May 26 22:22:33 bew systemd: Stopping System Logging Service...
May 26 22:22:33 bew systemd: Starting System Logging Service...
May 26 22:22:33 bew systemd: Started System Logging Service.
May 26 22:30:01 bew systemd: Created slice user-0.slice. …