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Revision as of 15:13, 17 January 2017
DNF is a software package manager that installs, updates, and removes packages on RPM-based Linux distributions. It automatically computes dependencies and determines the actions required to install packages. DNF also makes it easier to maintain groups of machines, eliminating the need to manually update each one using rpm. Introduced in Fedora 18, it has been the default package manager since Fedora 22.
DNF or Dandified yum is the next generation version of yum. It roughly maintains CLI compatibility with yum and defines a strict API for extensions and plugins. Plugins can modify or extend features of DNF or provide additional CLI commands on top of those mentioned below. If you know the name of such a command (including commands mentioned bellow), you may find/install the package which provides it using the appropriate virtual provide in the form of dnf-command(<alias>) where <alias> is the name of the command; e.g. dnf-command(repoquery) for a repoquery command (the same applies to specifying dependencies of packages that require a particular command).
|Added in||Fedora 18, and later versions|
|Bugs • Bodhi • Koji|
- Support for multiple repositories
- Simple configuration
- Dependency calculation based on modern depsolving technology
- Faster and less memory-intensive operation
- RPM-consistent behavior
- Package group support, including multiple-repository groups
- Simple interface
- Documented, solid Python API
- DNF runs in both Python 2 and Python 3
- C bindings for lower level libraries:
- hawkey for package querying and depsolving. PackageKit is already making use of hawkey
- librepo for repo operations. PackageKit is already making use of librepo
- libcomps for comps operations
DNF comes with Fedora since version 18, but DNF can installed by using the yum Command:
# yum install dnf
As of Fedora 22, yum has been replaced with DNF and doesn't need to be install.
In the basic methods, DNF can be used almost exactly as yum to search, install or remove packages:
# dnf search audacity
# dnf install audacity
# dnf remove audacity
The DNF-Automatic RPM package as a DNF component provides a service for automatic download and installation of updates. It can automatically monitor and report via email availability of updates, or send a log about downloaded packages and installed updates. See AutoUpdates section or DNF-Automatic page.
Fedora Products can be upgraded with DNF system upgrade plugin or directly with DNF. See Upgrade section.
Language Support Using Dnf
DNF can be used to install or remove Language Support. A detailed description with a list of available languages can be found on Language Support Using Dnf page.
3. DNF blog
4. DNF wiki