Editing Nmcli

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<code>nmcli</code> is [[NetworkManager]]'s built-in command-line interface added in 2010<ref>https://cgit.freedesktop.org/NetworkManager/NetworkManager/commit/?id=c2ec07f17d69a590b45797de5c8a0f26a4c45eaa</ref>, it is used at least in [[Red Hat Enterprise Linux|RHEL]]. <code>nmcli</code> allows easy display of NetworkManager's current status, manage at least [[Ethernet]] and [[WiFi]] connections and devices, monitor connections.


== Basic Commands  ==
See RHEL 8.0 official documentation: https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html-single/configuring_and_managing_networking/index
* Show  network connections:
 [[nmcli connection]] show
   NAME       UUID                                  TYPE      DEVICE
 Profile 1  db1060e9-c164-476f-b2b5-caec62dc1b05  ethernet    ens3
 bond0       aaf6eb56-73e5-4746-9037-eed42caa8a65  ethernet    --

 nmcli connection show
 NAME                UUID                                  TYPE      DEVICE
 System eth0         5fb06bd0-0bb0-7ffb-45f1-d6edd65f3e03  ethernet  eth0
 System eth1         9c92fad9-6ecb-3e6c-eb4d-8a47c6f50c04  ethernet  eth1
 Wired connection 1  c40205e6-e5f8-37ba-a85b-ef94a15aad79  ethernet  --

<code>nmcli connection show --active</code>

 [[nmcli device]] status
 DEVICE  TYPE      STATE      CONNECTION
 [[ens]]3    ethernet  connected  Profile 1
 ens4    ethernet  disconnected  --
 lo      loopback  unmanaged  --

 nmcli device status
 DEVICE  TYPE      STATE      CONNECTION
 eth0    ethernet  connected  System eth0
 eth1    ethernet  connected  System eth1
 lo      loopback  unmanaged  --


<code>[[nmcli device show]]</code> (Includes link or carrier status). See also: <code>[[ethtool]]</code>

== Configure commands ==
* Configure [[DNS]]: <code>[[nmcli con]] mod test-lab ipv4.dns "8.8.8.8 8.8.4.4"</code>
* Activate Ethernet connection: <code>[[nmcli con up]] test-lab ifname ens9</code>
* View details: <code>nmcli -p con show test-lab</code>
* Configure IP in eth0:

 [[nmcli c add]] type ethernet ifname eth0 con-name "My_New_Connection" ip4 192.168.1.166/24 gw4 192.168.1.1
 Connection "My_New_Connection"  (xxxxxxx-sdafasfsdf-adfasdfaf-adsfads) suceessfully added.

* <code>[[nmcli --help]]</code>

== Activities ==
# Configure network [[bonding]] using <code>nmcli</code>: https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html-single/configuring_and_managing_networking/index#configuring-network-bonding-using-nmcli_Configuring-Networking-with-nmcli

== See also ==
* {{nmcli}}
* {{Netplan}}
* {{NetworkManager}}
* {{Linux networking commands}}

[[Category:RHEL]]