我查阅了多种资料仍为解决该问题
我的电脑：安装了CentOS7的笔记本电脑，并且插着网线（不是虚拟机）
问题描述：ping baidu.com 时出现了ping: baidu.com: Name or service not known，但是我的network 状态是 active(exited), NetworkManager 的状态是 active(running)
- 我更改了我的网络的配置文件
- 并且我配置了我的DNS配置
- 在局域网中，可以成功的ping通我的网关，但就是无法ping通baidu（外网）
我初步断定可能是network服务(active(exited))的问题但是我不了解exited是什么，我如何将它更改为running
当我运行systemctl status network时Linux给出了我如下结果
[root@localhost etc]# systemctl status network
● network.service - LSB: Bring up/down networking
Loaded: loaded (/etc/rc.d/init.d/network; bad; vendor preset: disabled)
Active: active (exited) since Thu 2022-08-25 13:07:55 EDT; 17min ago
Docs: man:systemd-sysv-generator(8)
Process: 938 ExecStart=/etc/rc.d/init.d/network start (code=exited, status=0/SUCCESS)
Aug 25 13:07:53 localhost.localdomain systemd[1]: Starting LSB: Bring up/down networking...
Aug 25 13:07:54 localhost.localdomain network[938]: Bringing up loopback interface: [ OK ]
Aug 25 13:07:55 localhost.localdomain network[938]: Bringing up interface enp1s0: [ OK ]
Aug 25 13:07:55 localhost.localdomain systemd[1]: Started LSB: Bring up/down networking.
我的 NetworkManager
[root@localhost etc]# systemctl status NetworkManager
● NetworkManager.service - Network Manager
Loaded: loaded (/usr/lib/systemd/system/NetworkManager.service; enabled; vendor preset: enabled)
Active: active (running) since Thu 2022-08-25 13:25:25 EDT; 4s ago
Docs: man:NetworkManager(8)
Main PID: 1780 (NetworkManager)
CGroup: /system.slice/NetworkManager.service
└─1780 /usr/sbin/NetworkManager --no-daemon
Aug 25 13:25:25 localhost.localdomain NetworkManager[1780]: <info> [1661448325.2773] device (enp1s0): Activat...1f)Aug 25 13:25:25 localhost.localdomain NetworkManager[1780]: <info> [1661448325.2836] device (enp1s0): state c...e')Aug 25 13:25:25 localhost.localdomain NetworkManager[1780]: <info> [1661448325.2858] device (enp1s0): state c...e')Aug 25 13:25:25 localhost.localdomain NetworkManager[1780]: <info> [1661448325.3003] device (enp1s0): state c...e')Aug 25 13:25:25 localhost.localdomain NetworkManager[1780]: <info> [1661448325.3079] device (enp1s0): state c...e')Aug 25 13:25:25 localhost.localdomain NetworkManager[1780]: <info> [1661448325.3121] device (enp1s0): state c...e')Aug 25 13:25:25 localhost.localdomain NetworkManager[1780]: <info> [1661448325.3132] device (enp1s0): state c...e')Aug 25 13:25:25 localhost.localdomain NetworkManager[1780]: <info> [1661448325.3152] manager: NetworkManager ...CALAug 25 13:25:25 localhost.localdomain NetworkManager[1780]: <info> [1661448325.3359] device (enp1s0): Activat...ed.Aug 25 13:25:25 localhost.localdomain NetworkManager[1780]: <info> [1661448325.3393] manager: startup complete
我的系统信息
[root@localhost etc]# uname -a
Linux localhost.localdomain 3.10.0-1160.el7.x86_64 #1 SMP Mon Oct 19 16:18:59 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux
通过本地计算机windows11操作系统得到了baidu的ip地址
C:\Users\rabbi>ping baidu.com
正在 Ping baidu.com [39.156.66.10] 具有 32 字节的数据:
来自 39.156.66.10 的回复: 字节=32 时间=17ms TTL=52
来自 39.156.66.10 的回复: 字节=32 时间=17ms TTL=52
我尝试将ip在我的linux电脑上尝试 ping 命令
[root@localhost ~]# ping 39.156.66.10
connect: Network is unreachable
DNS也ping不通
[root@localhost etc]# ping 114.114.114
connect: Network is unreachable
/etc/sysconfig/network-scripts/ifcfg-enp1s0文件
TYPE=Ethernet
PROXY_METHOD=none
BROWSER_ONLY=no
BOOTPROTO=static
DEFROUTE=yes
IPV4_FAILURE_FATAL=no
IPV6INIT=yes
IPV6_AUTOCONF=yes
IPV6_DEFROUTE=yes
IPV6_FAILURE_FATAL=no
IPV6_ADDR_GEN_MODE=stable-privacy
NAME=enp1s0
DEVICE=enp1s0
ONBOOT=yes
IPADDR=192.168.0.50
GATEWAT=192,168.0.1
NETMASK=255.255.255.0
DNS1=114.114.114.114
/etc/resolv.conf配置文件
# Generated by NetworkManager
nameserver 114.114.114.114
