05.NetworkManager概述

NetworkManager概述

NetworkManager服务是管理和监控网络设置的守护进程。centos7更加注重使用NetworkManager服务来实现网络的配置和管理，centos7.0以前是通过network服务管理网络，以后的版本所有网络管理和设置统一由NetworkManager服务来维护。它是一个动态的事件驱动的网络管理服务。

 

查看NetworkManager状态：

[root@localhost ~]# systemctl status NetworkManager

● NetworkManager.service - Network Manager

   Loaded: loaded (/usr/lib/systemd/system/NetworkManager.service; enabled; vendor preset: enabled)

   Active: active (running) since Thu 2020-11-19 14:16:43 CST; 1 weeks 4 days ago

     Docs: man:NetworkManager(8)

 Main PID: 809 (NetworkManager)

   CGroup: /system.slice/NetworkManager.service

           ├─  809 /usr/sbin/NetworkManager --no-daemon

           └─50787 /sbin/dhclient -d -q -sf /usr/libexec/nm-dhcp-helper -pf /var/run/dhclient-ens33.pi...

 

Nov 30 14:47:47 localhost.localdomain dhclient[50787]: DHCPREQUEST on ens33 to 192.168.234.254 port ...4)

Nov 30 14:47:47 localhost.localdomain dhclient[50787]: DHCPACK from 192.168.234.254 (xid=0x45e29344)

Nov 30 14:47:47 localhost.localdomain NetworkManager[809]: <info>  [1606718867.2958] dhcp4 (ens33): ...29

Nov 30 14:47:47 localhost.localdomain NetworkManager[809]: <info>  [1606718867.2964] dhcp4 (ens33): ...0)

Nov 30 14:47:47 localhost.localdomain NetworkManager[809]: <info>  [1606718867.2965] dhcp4 (ens33): ....2

Nov 30 14:47:47 localhost.localdomain NetworkManager[809]: <info>  [1606718867.2965] dhcp4 (ens33): ...00

Nov 30 14:47:47 localhost.localdomain NetworkManager[809]: <info>  [1606718867.2965] dhcp4 (ens33): ...2'

Nov 30 14:47:47 localhost.localdomain NetworkManager[809]: <info>  [1606718867.2965] dhcp4 (ens33): ...n'

Nov 30 14:47:47 localhost.localdomain NetworkManager[809]: <info>  [1606718867.2965] dhcp4 (ens33): ...nd

Nov 30 14:47:47 localhost.localdomain dhclient[50787]: bound to 192.168.234.129 -- renewal in 769 se...s.

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