centos 7查看防火牆報錯（已解決，之前安裝過python3）

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[[email protected] ~]# service firewalld restart
Redirecting to /bin/systemctl restart firewalld.service
Job for firewalld.service failed because the control process exited with error code. See "systemctl status firewalld.service" and "journalctl -xe" for details.
[[email protected] ~]# systemctl firewalld restart
Unknown operation ‘firewalld‘.
[[email protected] ~]# service firewalld stop
Redirecting to /bin/systemctl stop firewalld.service
[[email protected] ~]# service firewalld start
Redirecting to /bin/systemctl start firewalld.service
Job for firewalld.service failed because the control process exited with error code. See "systemctl status firewalld.service" and "journalctl -xe" for details.
[[email protected] ~]# systemctl status firewall
Unit firewall.service could not be found.
[[email protected] ~]# firewall-cmd --state
Traceback (most recent call last):
File "/usr/bin/firewall-cmd", line 24, in <module>
from gi.repository import GObject
ModuleNotFoundError: No module named ‘gi‘

以上提示中提到了“/usr/bin/firewall-cmd”，我們輸入以下命令：

vim /usr/bin/firewall-cmd

修改第一行，在python後面添加數字2.7：

儲存退出即可

 

centos 7查看防火牆報錯（已解決，之前安裝過python3）