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= DNF Package Manager Quick Reference
Peter Boy (pboy) ; The Fedora Docs Team
:revnumber: F37 onwards
:revdate: 2023-08-29
:category: Administration
:tags: How-to, DNF, Quick Reference
This sections lists the most useful commands provided by the *dnf* utility. For a complete list of commands, options, and their syntax, see the *dnf*(8) man page.
*dnf help _command_*:: Displays detailed information about a command.
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[literal,subs="+quotes,attributes"]
----
$ *dnf help _upgrade_*
upgrade [PACKAGE...]
upgrade a package or packages on your system
alias: update
----
*dnf upgrade*:: Upgrades all packages on the system to the latest version available.
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[literal,subs="+quotes,attributes"]
----
# *dnf upgrade*
Last metadata expiration check: 1:09:32 ago on Thu Dec 14 09:20:48 2017.
Dependencies resolved.
Nothing to do.
Complete!
----
*dnf upgrade _package_name_*:: Upgrades a package to the latest version available.
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[literal,subs="+quotes,attributes"]
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# *dnf upgrade _dia_*
Last metadata expiration check: 1:11:26 ago on Thu Dec 14 09:20:48 2017.
Dependencies resolved.
Nothing to do.
Complete!
----
*dnf install _package_name_*:: Installs a package.
[literal,subs="+quotes,attributes"]
----
# *dnf install _dia_*
Last metadata expiration check: 1:07:19 ago on Thu Dec 14 09:20:48 2017.
Dependencies resolved.
=============================================================================
Package Arch Version Repository Size
=============================================================================
Installing:
dia x86_64 1:0.97.3-5.fc24 fedora 4.2 M
libart_lgpl x86_64 2.3.21-15.fc25 fedora 71 k
Transaction Summary
=============================================================================
Install 2 Packages
Total download size: 4.2 M
Installed size: 18 M
Is this ok [y/N]: *y*
[... output truncated ...]
Installed:
dia.x86_64 1:0.97.3-5.fc24 libart_lgpl.x86_64 2.3.21-15.fc25
Complete!
----
*dnf remove _package_name_*:: Uninstalls a package.
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[literal,subs="+quotes,attributes"]
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# *dnf remove _dia_*
Dependencies resolved.
=============================================================================
Package Arch Version Repository Size
=============================================================================
Removing:
dia x86_64 1:0.97.3-5.fc24 @fedora 18 M
libart_lgpl x86_64 2.3.21-15.fc25 @fedora 126 k
Transaction Summary
=============================================================================
Remove 2 Packages
Installed size: 18 M
Is this ok [y/N]: *y*
[... output truncated ...]
Removed:
dia.x86_64 1:0.97.3-5.fc24 libart_lgpl.x86_64 2.3.21-15.fc25
Complete!
----
*dnf check-update*:: Checks if any updates are available for all packages in the enabled repositories.
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[literal,subs="+quotes,attributes"]
----
389-ds-base.x86_64 1.3.7.5-11.el7 @updates
389-ds-base-libs.x86_64 1.3.7.5-11.el7 @updates
NetworkManager.x86_64 1:1.10.2-3.el7 @updates
NetworkManager-config-server.noarch 1:1.10.2-3.el7 @updates
[... output truncated ...]
----
*dnf search _keyword_*:: Search package metadata in the enabled repositories for the specified keyword. By default, the commands searches only in package names and summaries.
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[literal,subs="+quotes,attributes"]
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# *dnf search _freeipa_*
Last metadata expiration check: 1:12:31 ago on Thu Dec 14 09:20:48 2017.
========================================================================
freeipa-client.x86_64 : IPA authentication for use on clients
freeipa-common.noarch : Common files used by IPA
freeipa-server.x86_64 : The IPA authentication server
freeipa-server-dns.noarch : IPA integrated DNS server with support for automatic DNSSEC signing
freeipa-client-common.noarch : Common files used by IPA client
freeipa-python-compat.noarch : Compatiblity package for Python libraries used by IPA
freeipa-server-common.noarch : Common files used by IPA server
freeipa-server-trust-ad.x86_64 : Virtual package to install packages required for Active Directory trusts
libsss_idmap.x86_64 : FreeIPA Idmap library
[... output truncated ...]
----
*dnf info _package_name_*:: Shows details for a package.
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[literal,subs="+quotes,attributes"]
----
[root@localhost ~]# *dnf info _freeipa-server_*
Last metadata expiration check: 1:13:14 ago on Thu Dec 14 09:20:48 2017.
Available Packages
Name : freeipa-server
Arch : x86_64
Epoch : 0
Version : 4.4.4
Release : 1.fc25
Size : 380 k
Repo : updates
Summary : The IPA authentication server
URL : https://www.freeipa.org/
License : GPLv3+
Description : IPA is an integrated solution to provide centrally managed Identity (users,
: hosts, services), Authentication (SSO, 2FA), and Authorization
: (host access control, SELinux user roles, services). The solution provides
: features for further integration with Linux based clients (SUDO, automount)
: and integration with Active Directory based infrastructures (Trusts).
: If you are installing an IPA server, you need to install this package.
----
*dnf provides _command_or_file_*:: Shows which package provides the specified command or file.
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To specify a command:
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[literal,subs="+quotes,attributes"]
----
# *dnf provides */_ipa-server-install_*
Last metadata expiration check: 1:14:12 ago on Thu Dec 14 09:20:48 2017.
freeipa-server-4.4.1-1.fc25.x86_64 : The IPA authentication server
Repo : fedora
freeipa-server-4.4.4-1.fc25.x86_64 : The IPA authentication server
Repo : updates
----
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To specify a file:
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[literal,subs="+quotes,attributes"]
----
# *dnf provides _/etc/sssd/sssd.conf_*
Last metadata expiration check: 1:14:58 ago on Thu Dec 14 09:20:48 2017.
sssd-common-1.16.0-4.fc25.x86_64 : Common files for the SSSD
Repo : @System
sssd-common-1.16.0-4.fc25.x86_64 : Common files for the SSSD
Repo : updates
sssd-common-1.14.2-1.fc25.i686 : Common files for the SSSD
Repo : fedora
sssd-common-1.14.2-1.fc25.x86_64 : Common files for the SSSD
Repo : fedora
----
*dnf history*:: Displays a report of the past transactions.
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[literal,subs="+quotes,attributes"]
----
# *dnf history*
ID | Command line | Date and time | Action(s) | Altered
-------------------------------------------------------------------------------
9 | update -y | 2017-10-17 12:35 | I, U | 17 EE
8 | install midori | 2017-10-13 10:44 | Install | 3 >
7 | update -y | 2017-10-12 15:59 | Update | 7
6 | install keepass | 2017-10-11 13:40 | Install | 13 <
5 | install thunderbird | 2017-10-10 16:33 | Install | 1 >
4 | install sssd krb5-workst | 2017-10-10 15:30 | Install | 3 >
3 | install xchat | 2017-10-10 15:19 | Install | 4
2 | update | 2017-10-10 13:44 | I, O, U | 752 EE
1 | | 2017-10-10 13:34 | Install | 1373 EE
----
*dnf list installed*:: Lists all packages installed on the system.
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[literal,subs="+quotes,attributes"]
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# *dnf list installed*
Last metadata expiration check: 1:17:33 ago on Thu Dec 14 09:20:48 2017.
Installed Packages
GConf2.x86_64 3.2.6-16.fc24 @anaconda
GeoIP.x86_64 1.6.11-1.fc25 @updates
GeoIP-GeoLite-data.noarch 2017.10-1.fc25 @updates
ImageMagick.x86_64 6.9.9.19-1.fc25 @updates
ImageMagick-libs.x86_64 6.9.9.19-1.fc25 @updates
LibRaw.x86_64 0.17.2-2.fc25 @updates
ModemManager.x86_64 1.6.4-1.fc25 @updates
ModemManager-glib.x86_64 1.6.4-1.fc25 @updates
NetworkManager.x86_64 1:1.4.6-1.fc25 @updates
[... output truncated ...]
----

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= Network Manager Quick Reference
Peter Boy (pboy); The Fedora Docs Team
:revnumber: F37 onwards
:revdate: 2023-08-29
:category: Administration
:tags: How-to, Network, NetworkManager, Quick Refeence
//:page-aliases:
== NetworkManager status
Overall status of NetworkManager::
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----
$ nmcli general status
----
Display active connections::
----
$ nmcli connection show --active
----
Display all configured connections::
----
$ nmcli connection show configured
----
== Connect/disconnect to an already configured connection
Connect to a configured connection by name::
----
$ nmcli connection up id <connection_name>
----
Disconnection by name::
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$ nmcli connection down id <connection_name>
----
== Wi-Fi
Get Wi-Fi status::
----
$ nmcli radio wifi
----
Turn Wi-Fi on or off::
----
$ nmcli radio wifi _on|off_
----
Available access points (AP)::
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$ nmcli device wifi list
----
Refresh the previous list::
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$ nmcli device wifi rescan
----
Create a new connection to an open AP::
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$ nmcli device wifi connect <SSID|BSSID>
----
Create a new connection to a protected AP::
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$ nmcli device wifi connect <SSID|BSSID> password <password>
----
== Network interfaces
List available devices and their status::
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$ nmcli device status
----
Disconnect an interface::
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$ nmcli device disconnect iface <interface>
----
== Create or modify a connection
To create a new connection using an interactive editor
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$ nmcli connection edit con-name <name_of_new_connection>
----
To edit an already existing connection using an interactive editor:
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$ nmcli connection edit <connection_name>
----
[[exampletutorial]]
=== Example/Tutorial
Create a new connection:
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$ nmcli connection edit con-name _name of new connection_
----
It asks us to define a connection type:
----
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
Enter connection type:
----
In this example, we use ethernet:
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Enter connection type: ethernet
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The following message appears, note that `nmcli>` is a prompt and that it lists the main settings available:
----
===| nmcli interactive connection editor |===
Adding a new '802-3-ethernet' connection
Type 'help' or '?' for available commands.
Type 'describe [<setting>.<prop>]' for detailed property description.
You may edit the following settings: connection, 802-3-ethernet (ethernet), 802-1x, ipv4, ipv6
nmcli>
----
Edit the setting `ipv4`:
----
nmcli> goto ipv4
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Note that after this our prompt has changed to indicate that we are currently editing the `ipv4` setting:
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nmcli ipv4>
----
List available properties under the `ipv4` setting and describe the `method` property:
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nmcli ipv4> describe
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
Property name?
Property name? method
----
Set property `method` to `auto`:
----
nmcli ipv4> set method auto
----
The `ipv4` setting is now finished. Go back to the main level. Enter the following command until the prompt looks like `nmcli>`:
----
nmcli ipv4> back
----
To list the main settings again, use the `goto` command without any arguments. After that, press `Enter` and ignore the error.
----
nmcli> goto
Available settings: connection, 802-3-ethernet (ethernet), 802-1x, ipv4, ipv6
Setting name?
----
It is possible to set a value for a property directly from the main level:
----
nmcli> set __setting__.__property__ _value_
----
For example:
----
nmcli> set connection.autoconnect TRUE
nmcli> set connection.interface-name _interface name this connection is bound to_
nmcli> set ethernet.cloned-mac-address _Spoofed MAC address_
----
Finally, check the connection details, save and exit:
----
nmcli> print
nmcli> save
nmcli> quit
----
=== Manually editing
To manually edit an `ifcfg` connection configuration, open or create with a text editor the configuration file of the connection located in `/etc/sysconfig/network-scripts/ifcfg-`.
A description of most common configuration options is available in the link:https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/6/html/deployment_guide/s1-networkscripts-interfaces[RHEL6 Deployment Guide].
To modify a connection password, open with a text editor and edit the file `keys-` located in `/etc/sysconfig/network-scripts/`. The password is stored in plain text. For example:
----
$ cat /etc/sysconfig/network-scripts/keys-__connection name__
WPA_PSK='password'
----
Or, if using keyfile, simply edit the connection file located inside `/etc/NetworkManager/system-connections/`
Finally, save the files and to apply changes to an already active connection execute.
----
nmcli connection up id _connection name_
----
[[delete-a-connection-configuration]]
== Delete a connection configuration
Delete the connection:
----
nmcli connection delete id <connection_name>
----
Please note that this also deactivates the connection.