Unit firewalld.service could not be found.

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简介: Unit firewalld.service could not be found.

Unit firewalld.service could not be found.

1、问题描述

当我们使用如下指令查看当前Ubuntu防火墙状态时:

systemctl status firewalld

会报一个这样的错误:

说明防火墙没有安装,需要安装!

2、安装防火墙

yum install firewalld firewall-config

注意: 使用yum安装可能报错(未安装yum),可参考Ubuntu 安装使用yum好像不需要yum

直接使用apt-get安装,不过要改代码:

sudo apt-get install firewalld firewall-config

3、防火墙状态

查看防火墙状态:

systemctl status firewalld

关闭防火墙(暂时),系统重新启动后,防火墙将重新打开:

systemctl stop firewalld

关闭防火墙(永久),系统重新启动后,防火墙将依然关闭:

systemctl disable firewalld

重启防火墙:

systemctl restart firewalld

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