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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. | <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. | ||
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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 | 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: | * Show network connections: | ||
| − | + | nmcli connection show | |
NAME UUID TYPE DEVICE | NAME UUID TYPE DEVICE | ||
Profile 1 db1060e9-c164-476f-b2b5-caec62dc1b05 ethernet ens3 | Profile 1 db1060e9-c164-476f-b2b5-caec62dc1b05 ethernet ens3 | ||
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Wired connection 1 c40205e6-e5f8-37ba-a85b-ef94a15aad79 ethernet -- | Wired connection 1 c40205e6-e5f8-37ba-a85b-ef94a15aad79 ethernet -- | ||
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| − | + | * <code>nmcli connection show --active</code> | |
| + | nmcli device status | ||
DEVICE TYPE STATE CONNECTION | DEVICE TYPE STATE CONNECTION | ||
| − | + | ens3 ethernet connected Profile 1 | |
ens4 ethernet disconnected -- | ens4 ethernet disconnected -- | ||
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lo loopback unmanaged -- | lo loopback unmanaged -- | ||
| − | <code> | + | * <code>nmcli device show</code> (Includes link or carrier status). See also: <code>[[ethtool]]</code> |
| + | <pre> | ||
| + | GENERAL.DEVICE: ens33 | ||
| + | GENERAL.TYPE: ethernet | ||
| + | GENERAL.HWADDR: 00:0C:29:54:F7:20 | ||
| + | GENERAL.MTU: 1500 | ||
| + | GENERAL.STATE: 100 (connected) | ||
| + | GENERAL.CONNECTION: ens33 | ||
| + | GENERAL.CON-PATH: /org/freedesktop/NetworkManager/ActiveConnection/5 | ||
| + | WIRED-PROPERTIES.CARRIER: on | ||
| + | IP4.ADDRESS[1]: 192.168.219.150/24 | ||
| + | IP4.GATEWAY: 192.168.219.2 | ||
| + | IP4.DNS[1]: 192.168.219.2 | ||
| + | IP4.DOMAIN[1]: localdomain | ||
| + | IP6.ADDRESS[1]: fe80::3442:365:1982:aa4b/64 | ||
| + | IP6.GATEWAY: | ||
| + | </pre> | ||
== Configure commands == | == Configure commands == | ||
| − | * Configure | + | * Configure DNS: <code>nmcli con mod test-lab ipv4.dns "8.8.8.8 8.8.4.4"</code> |
| − | * Activate Ethernet connection: <code> | + | * Activate Ethernet connection: <code>nmcli con up test-lab ifname ens9</code> |
* View details: <code>nmcli -p con show test-lab</code> | * View details: <code>nmcli -p con show test-lab</code> | ||
* Configure IP in eth0: | * Configure IP in eth0: | ||
| − | + | <pre> | |
| − | + | 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. | |
| − | + | </pre> | |
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== Activities == | == Activities == | ||
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== See also == | == See also == | ||
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* {{Netplan}} | * {{Netplan}} | ||
* {{NetworkManager}} | * {{NetworkManager}} | ||
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