nmcli命令 Nmcli命令行连接wifi

# nmcli命令

##查看网络连接、查看网卡名

con是connect的缩写，可精简为c

[root@localhost ~]# nmcli con show

NAME UUID TYPE DEVICE

enp0s3 29ab9af2-a3ee-12c9-8586-c5ba56e7e851 ethernet enp0s3

docker0 29ab9af2-a3ee-12c9-8586-c5ba56e7e851 bridge docker0

## 启动关闭网卡命令 1 nmcli dev con <网卡名>和 nmcli dev dis <ifname>,

其中dev是device的缩写可精简为d。

dis是disconnect缩写。

**[root@localhost ~]# nmcli dev con enp0s3

**[root@localhost ~]# nmcli dev dis enp0s3

##启动关闭网卡命令2

**[root@localhost ~]# nmcli con up enp0s3

**[root@localhost ~]# nmcli con down enp0s3

成功断开设备 "enp0s3"。

##重新生效所有网卡

[root@localhost ~]# nmcli reload

##生效指定网卡

nmcli c load 用全路径

[root@localhost ~]#nmcli c load /etc/sysconfig/network-scripts/ifcfg-enp0s3

附：

[root@localhost ~]# nmcli dev --help

用法：nmcli device { COMMAND | help }

COMMAND := { status | show | set | connect | reapply | modify | disconnect | delete | monitor | wifi | lldp }

status

show [<ifname>]

set [ifname] <ifname> [autoconnect yes|no] [managed yes|no]

connect <ifname>

reapply <ifname>

modify <ifname> ([+|-]<setting>.<property> <value>)+

disconnect <ifname> ...

delete <ifname> ...

monitor <ifname> ...

wifi [list [ifname <ifname>] [bssid <BSSID>] [--rescan yes|no|auto]]

wifi connect <(B)SSID> [password <password>] [wep-key-type key|phrase] [ifname <ifname>]

[bssid <BSSID>] [name <name>] [private yes|no] [hidden yes|no]

wifi hotspot [ifname <ifname>] [con-name <name>] [ssid <SSID>] [band a|bg] [channel <channel>] [password <password>]

wifi rescan [ifname <ifname>] [[ssid <SSID to scan>] ...]

wifi show-password [ifname <ifname>]

lldp [list [ifname <ifname>]]

[root@localhost ~]# nmcli con --help

Usage: nmcli connection { COMMAND | help }

COMMAND := { show | up | down | add | modify | clone | edit | delete | monitor | reload | load | import | export }

show [--active] [--order <order spec>]

show [--active] [id | uuid | path | apath] <ID> ...

up [[id | uuid | path] <ID>] [ifname <ifname>] [ap <BSSID>] [passwd-file <file with passwords>]

down [id | uuid | path | apath] <ID> ...

add COMMON_OPTIONS TYPE_SPECIFIC_OPTIONS SLAVE_OPTIONS IP_OPTIONS [-- ([+|-]<setting>.<property> <value>)+]

modify [--temporary] [id | uuid | path] <ID> ([+|-]<setting>.<property> <value>)+

clone [--temporary] [id | uuid | path ] <ID> <new name>

edit [id | uuid | path] <ID>

edit [type <new_con_type>] [con-name <new_con_name>]

delete [id | uuid | path] <ID>

monitor [id | uuid | path] <ID> ...

reload

load <filename> [ <filename>... ]

import [--temporary] type <type> file <file to import>

export [id | uuid | path] <ID> [<output file>]