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Adding the Network Manager CLI quick doc
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Eduard Alexander Lucena Mendoza
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= CLI
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'''
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[[description]]
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== Description
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[IMPORTANT]
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======
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`nmcli` is a tool that allows NetworkManager management from command line.
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This page was automatically converted from https://fedoraproject.org/wiki/Networking/CLI
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[[networkmanager-status]]
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== NetworkManager status
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It is probably
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Display overall status of NetworkManager
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* Badly formatted
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* Missing graphics and tables that do not convert well from mediawiki
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* Out-of-date
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* In need of other love
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----
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nmcli general status
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----
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Display active connections
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----
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nmcli connection show --active
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----
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Display all configured connections
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----
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nmcli connection show configured
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----
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[[connectdisconnect-to-an-already-configured-connection]]
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== Connect/disconnect to an already configured connection
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Connect to a configured connection by name
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----
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nmcli connection up id <connection name>
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----
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Disconnection by name
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----
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nmcli connection down id <connection name>
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----
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[[wifi]]
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== Wifi
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Get Wifi status
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----
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nmcli radio wifi
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----
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Turn wifi on or off
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----
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nmcli radio wifi <on|off>
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----
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List available access points(AP) to connect to
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----
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nmcli device wifi list
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----
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Refresh previous list
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----
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nmcli device wifi rescan
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----
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Create a new connection to an open AP
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----
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nmcli device wifi connect <SSID|BSSID>
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----
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Create a new connection to a password protected AP
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----
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nmcli device wifi connect <SSID|BSSID> password <password>
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----
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[[network-interfaces]]
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== Network interfaces
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List available devices and their status
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----
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nmcli device status
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----
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Disconnect an interface
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----
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nmcli device disconnect iface <interface>
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----
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[[create-or-modify-a-connection]]
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== Create or modify a connection
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To create a new connection using an interactive editor
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----
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nmcli connection edit con-name <name of new connection>
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----
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To edit an already existing connection using an interactive editor
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----
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nmcli connection edit <connection name>
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----
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[[exampletutorial]]
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=== Example/Tutorial
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Let's create a new connection
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----
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nmcli connection edit con-name <name of new connection>
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----
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It will ask us to define a connection type
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----
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Valid connection types: 802-3-ethernet (ethernet), 802-11-wireless (wifi), wimax, gsm, cdma, infiniband, adsl, bluetooth, vpn, 802-11-olpc-mesh (olpc-mesh), vlan, bond, team, bridge, bond-slave, team-slave, bridge-slave
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Enter connection type:
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----
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In this example we will use ethernet
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----
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Enter connection type: ethernet
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----
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Next this will appear, note that "nmcli>" is a prompt and that it lists
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the main settings available
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----
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===| nmcli interactive connection editor |===
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Adding a new '802-3-ethernet' connection
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Type 'help' or '?' for available commands.
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Type 'describe [<setting>.<prop>]' for detailed property description.
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You may edit the following settings: connection, 802-3-ethernet (ethernet), 802-1x, ipv4, ipv6
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nmcli>
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----
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We will edit the setting "ipv4"
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----
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nmcli> goto ipv4
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----
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Note that after this our promt has changed to this to indicate that we
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are currently editing the "ipv4" setting
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----
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nmcli ipv4>
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----
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List available properties under the setting "ipv4" and describe the
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property "method"
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Pull requests accepted at https://pagure.io/fedora-docs/quick-docs
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----
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nmcli ipv4> describe
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Once you've fixed this page, remove this notice, and update
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`_topic_map.yml`.
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Available properties: method, dns, dns-search, addresses, routes, ignore-auto-routes, ignore-auto-dns, dhcp-client-id, dhcp-send-hostname, dhcp-hostname, never-default, may-fail
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Property name?
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Once the document is live, go to the original wiki page and replace its text
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with the following macro:
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Property name? method
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----
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....
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{{#fedoradocs: https://docs.fedoraproject.org/whatever-the-of-this-new-page}}
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....
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======
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'''
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Let's set property "method" to "auto"
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----
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nmcli ipv4> set method auto
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----
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'''
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Now that we have finished editing the "ipv4" setting let's go back to
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the main level. Execute the following command until the prompt looks
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like this "nmcli>"
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----
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nmcli> back
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----
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If you need to list again the main settings use the "goto" command
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without any arguments. After that just press enter and ignore the error.
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----
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nmcli> goto
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Available settings: connection, 802-3-ethernet (ethernet), 802-1x, ipv4, ipv6
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Setting name?
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----
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It is possible to set a value for a property directly from the main
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level
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----
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nmcli> set <setting>.<property> <value>
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----
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For example
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----
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nmcli> set connection.autoconnect TRUE
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nmcli> set connection.interface-name <interface name this connection is bound to>
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nmcli> set ethernet.cloned-mac-address <Spoofed MAC address>
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----
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Finally check the connection details, save and exit
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----
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nmcli> print
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nmcli> save
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nmcli> quit
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----
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[[manually-editing]]
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=== Manually editing
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To manually edit a ifcfg connection configuration open or create with a
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text editor the configuration file of the connection located in
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`/etc/sysconfig/network-scripts/ifcfg-`
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A description of most common configuration options is available at:
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http://access.redhat.com/site/documentation/en-US/Red_Hat_Enterprise_Linux/6/html/Deployment_Guide/s1-networkscripts-interfaces.html
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To modify a connection password open with a text editor and edit the
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file "keys-" located in "/etc/sysconfig/network-scripts/". The password
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is stored in plain text. For example
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----
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$ cat /etc/sysconfig/network-scripts/keys-<connection name>
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WPA_PSK='password'
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----
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Or if using keyfile, simply edit the connection file located inside
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`/etc/NetworkManager/system-connections/`
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Finally save the files and to apply changes to an already active
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connection execute
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----
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nmcli connection up id <connection name>
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----
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[[delete-a-connection-configuration]]
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== Delete a connection configuration
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Delete the connection
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----
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nmcli connection delete id <connection name>
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----
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Please note this also deactivates the connection.
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[[documentation-for-networkmanager-command-line-interface-nmcli]]
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== Documentation for NetworkManager Command Line Interface nmcli
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The primary reference for nmcli are the manual pages nmcli and
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nmcli-examples. For a quick reference, the user can type `nmcli
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[help]` to print the supported options and commands. The help parameter
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can also be used to obtain a more detailed description for the
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individual commands. For example `nmcli connection help` and `nmcli
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connection add help` show a description for the possible connection
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operations and for how to add connections, respectively.
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The newest version of the manual page can be found on
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https://developer.gnome.org/NetworkManager/unstable/nmcli.html[nmcli]
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and
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https://developer.gnome.org/NetworkManager/unstable/nmcli-examples.html[nmcli-examples].
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[[notes]]
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=== Notes
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nmcli maybe contain some bugs and lack some features graphical tools for
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NetworkManager have.
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To see all available options for your version of nmcli
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----
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info nmcli
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----
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See a typo, something missing or out of date, or anything else which can be
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improved? Edit this document at https://pagure.io/fedora-docs/quick-docs.
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