[root@localhost ~]# systemctl restart sshd Authorization not available. Check if polkit service is running or see debug message for more information. Failed to restart sshd.service: 连接超时 See system logs and 'systemctl status sshd.service' for details.

这个错误提示表示在重启 sshd 服务时出现了连接超时的问题，可能是由于网络问题或者是 SSH 服务端配置问题导致的。针对这个问题，你可以尝试以下几个步骤：

1. 检查 polkit 服务是否运行正常。可以执行 systemctl status polkit 命令来查看 polkit 服务的状态，如果服务未运行，则需要启动服务。

2. 检查服务器的网络连接是否正常。可以尝试 ping 远程主机或者在远程主机上执行 telnet localhost 22 命令来测试网络连接。

3. 检查 sshd 服务的配置文件是否正确。可以执行 sshd -t 命令来测试 sshd 配置文件的有效性，如果出现错误提示，则需要修改配置文件。

4. 查看系统日志，可以使用命令 journalctl -xe 或者 tail -f /var/log/messages 来查看系统日志，以获取更多的信息。

希望以上信息能够帮助你解决问题。

相关问题

systemctl restart sshd Failed to get D-Bus connection: No such file or directory

As an AI language model, I do not have access to the system's configuration and settings. However, based on the error message, it seems like the D-Bus service is not running or its socket file is missing. You can try the following steps to resolve the issue:

1. Check if the D-Bus service is running by executing the following command:

   systemctl status dbus

If the service is not running, start it using the command:

   systemctl start dbus

2. If the service is already running, check if the socket file is present in the system. The socket file for D-Bus is usually located at `/var/run/dbus/system_bus_socket`. You can verify its existence by running:

   ls -l /var/run/dbus/system_bus_socket

If the socket file is missing, try restarting the D-Bus service using the command:

   systemctl restart dbus

3. Once you have confirmed that the D-Bus service is running and the socket file is present, try restarting the sshd service using the command:

   systemctl restart sshd

This should restart the sshd service without any errors.

If the issue persists, you may need to check the system logs for more information about the error.