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A Free secure DNS service from IBM Security, the Global Cyber Alliance and Packet Clearing House
To connect to wifi with a password
#nmcli d wifi conn MyWifi password ‘xxxxxxx’ iface wlan0
MyWifi is SSID name, replace this with your wifi name (SSID name). Keep your password in place of ‘xxxxxx’
wlan0 interface for wifi network, this you can find with ifconfig command or nmcli command.
To disconnect wifi
# nmcli d disconnect iface wlan0
To see network status
# nmcli d status
DEVICE TYPE STATE
eth0 802-3-ethernet unavailable
wlan0 802-11-wireless disconnected
To See list of available wifi networks
#nmcli d list
nmcli has 3 OBJECTs
nm NetworkManager’s status
c[onnection] NetworkManager’s connections
d[evice] devices managed by NetworkManager
1. Network Manager (nm)
(COMMAND := { status | permissions | enable | sleep | wifi | wwan }
# nmcli nm status
RUNNING STATE WIFI-HARDWARE WIFI WWAN-HARDWARE WWAN
running disconnected enabled enabled enabled enabled
# nmcli nm wifi off
# ifconfig wlan0
wlan0 Link encap:Ethernet HWaddr xx:xx:xx:xx:xx:xx
BROADCAST MULTICAST MTU:1500 Metric:1
RX packets:95213298 errors:0 dropped:0 overruns:0 frame:0
TX packets:87755319 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:88153431076 (88.1 GB) TX bytes:73877643984 (73.8 GB)
# nmcli nm wifi on
# ifconfig wlan0
wlan0 Link encap:Ethernet HWaddr xx:xx:xx:xx:xx:xx
UP BROADCAST MULTICAST MTU:1500 Metric:1
RX packets:95213298 errors:0 dropped:0 overruns:0 frame:0
TX packets:87755319 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:88153431076 (88.1 GB) TX bytes:73877643984 (73.8 GB)
2. Network Managers Connection (c)
(COMMAND := { list | status | up | down | delete })
How to list available network manager connections
#nmcli c list
How to delete one of the network manager connection from the list using uuid
# nmcli c delete uuid 58be4adb-a360-46cc-xxxx-8868a8cfxxxx
3. Network device (d)