<强> nmcli是用于控制使其和报告网络状态的
命令行工具.nmcli用于创建,显示,编辑,删除,激活和停用网络连接,以及控制和显示网络设备状态。
<>强基本用法
nmcli […]选项,{help |, general |, networking |, radio |, connection |, device |, agent |,监控},(命令),[论点…]
可以使用TAB键来补全 命令,忘记了语法,可以按TAB键查看可用选项。如果按TAB键没有反应,也许是没有安装
#安装bash-completion (root@localhost ~) #, yum -y install bash-completion #退出重新登录 (root@localhost ~) #,退出
[root@localhost ~] #, nmcli general status STATE ,,,,, CONNECTIVITY , WIFI-HW , WIFI ,,,, WWAN-HW , WWAN ,,, connected , full ,,,,,,,,, enabled , enabled , enabled ,使
列出连接配置文件信息:
[root@localhost ~] #, nmcli connection show NAME ,,, UUID ,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,, TYPE ,,,,, DEVICE enp0s3 , 5005942 f - a7fd - 4 - e55 b8e7 - 77928 - d8da72d , ethernet , enp0s3
显示网卡的状态:
[root@localhost ~] #, nmcli device status DEVICE , TYPE ,,,,, STATE ,,,,, CONNECTION enp0s3 , ethernet , connected , enp0s3 ,,,, lo ,,,,, loopback , unmanaged ,——
可以使用nmcli命令行启动或停止网卡,相当于ifup/ifdown命令。
[root@localhost ~] #, nmcli device disconnect enp0s3
[root@localhost ~] #, nmcli device connect enp0s3
[root@localhost ~] #, nmcli connection modify enp0s3 ipv4.method manual ipv4.addresses 192.168.0.110/24 ipv4.gateway 192.168.0.1 ipv4.dns 202.102.128.68 (root@localhost ~) #, nmcli connection up enp0s3
[root@localhost ~] #, nmcli connection modify enp0s3 + ipv4.addresses 192.168.0.108/24 #,启用配置文件 (root@localhost ~) #, nmcli connection up enp0s3 #,查看ip地址 (root@localhost ~) #, ip add show enp0s3 2:,enp0s3: & lt;广播、多播,,LOWER_UP>, mtu 1500年,qdisc pfifo_fast state UP group default qlen 1000 ,,,联系/ether 08:00:27:7b: d3:32 brd ff: ff: ff: ff: ff: ff ,,,inet 192.168.0.107/24 brd 192.168.0.255 scope global noprefixroute enp0s3 ,,,,,,valid_lft forever preferred_lft 直到永远 ,,,inet 192.168.0.108/24 brd 192.168.0.255 scope global secondary noprefixroute enp0s3 ,,,,,,valid_lft forever preferred_lft 直到永远 ,,,inet6 fe80:: d4d9:9043:1056:9e1a/64, scope link noprefixroute ,,,,,,永远valid_lft forever preferred_lft
[root@localhost ~] #, nmcli connection modify enp0s3 -ipv4.addresses 192.168.0.108/24 #,启用配置文件 (root@localhost ~) #, nmcli connection up enp0s3 #,查看ip地址 (root@localhost ~) #, ip ad show enp0s3 2:,enp0s3: & lt;广播、多播,,LOWER_UP>, mtu 1500年,qdisc pfifo_fast state UP group default qlen 1000 ,,,联系/ether 08:00:27:7b: d3:32 brd ff: ff: ff: ff: ff: ff ,,,inet 192.168.0.107/24 brd 192.168.0.255 scope global noprefixroute enp0s3 ,,,,,,valid_lft forever preferred_lft 直到永远 null null null null null null null如何在CentOS 7中使用nmcli工具管理网络
