错误提示:# sudo service fail2ban restart 
Redirecting to /bin/systemctl restart fail2ban.service Job for fail2ban.service failed because the control process exited with error code. See "systemctl status fail2ban.service" and "journalctl -xe" for details.
然后我输入 journalctl -xe 出现了如下情况:
 
请问怎么办?
 
 
参考的教程是这个:
linux dot cn/article-5067-1 dot html
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