nmcli几个常用命令
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1.nmcli connection 用于查看连接
2.nmcli device用于查看当前网络设备
3.nmcli connection modify用于修改当前连接配置
4.nmcli connection reload 重新加载连接配置
简单示例如下：
[root@localhost /]# nmcli connection
NAME UUID TYPE DEVICE
eno1 6b06dff7-65a3-4ca7-bfc7-c3bf1af8d52f ethernet eno1
virbr0 1486fe12-2531-42a1-a413-ecba62d34a84 bridge virbr0
eno1 2df29981-3b89-4862-9b23-652e7b5027b7 ethernet --
[root@localhost /]# nmcli connection show
NAME UUID TYPE DEVICE
eno1 6b06dff7-65a3-4ca7-bfc7-c3bf1af8d52f ethernet eno1
virbr0 1486fe12-2531-42a1-a413-ecba62d34a84 bridge virbr0
eno1 2df29981-3b89-4862-9b23-652e7b5027b7 ethernet --
[root@localhost /]# nmcli connection show eno1
connection.id: eno1
connection.uuid: 6b06dff7-65a3-4ca7-bfc7-c3bf1af8d52f
........................
ipv4.method: manual
ipv4.dns: 192.168.1.1
ipv4.dns-search: --
ipv4.dns-options: ""
ipv4.dns-priority: 0
ipv4.addresses: 192.168.1.2/24
ipv4.gateway: 192.168.1.1
ipv4.routes: --
ipv4.route-metric: -1
ipv4.route-table: 0 (unspec)
[root@localhost /]# nmcli connection show -active
NAME UUID TYPE DEVICE
eno1 6b06dff7-65a3-4ca7-bfc7-c3bf1af8d52f ethernet eno1
virbr0 1486fe12-2531-42a1-a413-ecba62d34a84 bridge virbr0
[root@localhost /]# nmcli connection show eno1
connection.id: eno1
connection.uuid: 6b06dff7-65a3-4ca7-bfc7-c3bf1af8d52f
................
ipv4.method: manual
ipv4.dns: 192.168.1.1
ipv4.dns-search: --
ipv4.dns-options: ""
ipv4.dns-priority: 0
ipv4.addresses: 192.168.1.2/24
ipv4.gateway: 192.168.1.1
[root@localhost /]# nmcli device
DEVICE TYPE STATE CONNECTION
eno1 ethernet connected eno1
virbr0 bridge connected virbr0
lo loopback unmanaged --
virbr0-nic tun unmanaged --
[root@localhost /]# nmcli device show
GENERAL.DEVICE: eno1
GENERAL.TYPE: ethernet
GENERAL.HWADDR: 90:B1:1C:8F:4C:33
GENERAL.MTU: 1500
GENERAL.STATE: 100 (connected)
GENERAL.CONNECTION: eno1
GENERAL.CON-PATH: /org/freedesktop/NetworkManager/ActiveC>
WIRED-PROPERTIES.CARRIER: on
IP4.ADDRESS: 192.168.1.2/24
IP4.GATEWAY: 192.168.1.1
IP4.ROUTE: dst = 192.168.1.0/24, nh = 0.0.0.0, mt >
IP4.DNS: 192.168.1.1
[root@localhost /]# nmcli device show eno1
GENERAL.DEVICE: eno1
GENERAL.TYPE: ethernet
GENERAL.HWADDR: 90:B1:1C:8F:4C:33
GENERAL.MTU: 1500
GENERAL.STATE: 100 (connected)
GENERAL.CONNECTION: eno1
GENERAL.CON-PATH: /org/freedesktop/NetworkManager/ActiveC>
WIRED-PROPERTIES.CARRIER: on
IP4.ADDRESS: 192.168.1.2/24
IP4.GATEWAY: 192.168.1.1
IP4.ROUTE: dst = 192.168.1.0/24, nh = 0.0.0.0, mt >
IP4.DNS: 192.168.1.1
[root@localhost
/]# nmcli connection modify eno1 ipv4.method manual ipv4.addresses
192.168.1.2/24 ipv4.gateway 192.168.1.1 ipv4.dns 192.168.1.1
[root@localhost /]# nmcli connection reload
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