[root@linux ~]# dnf help
usage: dnf [options] COMMAND
List of Main Commands:
alias List or create command aliases
autoremove remove all unneeded packages that were originally installed as dependencies
check check for problems in the packagedb
check-update check for available package upgrades
clean remove cached data
deplist List package's dependencies and what packages provide them
distro-sync synchronize installed packages to the latest available versions
downgrade Downgrade a package
group display, or use, the groups information
help display a helpful usage message
history display, or use, the transaction history
info display details about a package or group of packages
install install a package or packages on your system
list list a package or groups of packages
makecache generate the metadata cache
mark mark or unmark installed packages as installed by user.
module Interact with Modules.
provides find what package provides the given value
reinstall reinstall a package
remove remove a package or packages from your system
repolist display the configured software repositories
repoquery search for packages matching keyword
repository-packages run commands on top of all packages in given repository
search search package details for the given string
shell run an interactive DNF shell
swap run an interactive dnf mod for remove and install one spec
updateinfo display advisories about packages
upgrade upgrade a package or packages on your system
upgrade-minimal upgrade, but only 'newest' package match which fixes a problem that affects your system
Optional arguments:
-c [config file], --config [config file]
config file location
-q, --quiet quiet operation
-v, --verbose verbose operation
--version show DNF version and exit
--installroot [path] set install root
--nodocs do not install documentations
--noplugins disable all plugins
--enableplugin [plugin]
enable plugins by name
--disableplugin [plugin]
disable plugins by name
--releasever RELEASEVER
override the value of $releasever in config and repo
files
--setopt SETOPTS set arbitrary config and repo options
--skip-broken resolve depsolve problems by skipping packages
-h, --help, --help-cmd
show command help
--allowerasing allow erasing of installed packages to resolve
dependencies
-b, --best try the best available package versions in
transactions.
-C, --cacheonly run entirely from system cache, don't update cache
-R [minutes], --randomwait [minutes]
maximum command wait time
-d [debug level], --debuglevel [debug level]
debugging output level
--debugsolver dumps detailed solving results into files
--showduplicates show duplicates, in repos, in list/search commands
-e ERRORLEVEL, --errorlevel ERRORLEVEL
error output level
--obsoletes enables dnf's obsoletes processing logic for upgrade
or display capabilities that the package obsoletes for
info, list and repoquery
--rpmverbosity [debug level name]
debugging output level for rpm
-y, --assumeyes automatically answer yes for all questions
--assumeno automatically answer no for all questions
--enablerepo [repo]
--disablerepo [repo]
--repo [repo], --repoid [repo]
enable just specific repositories by an id or a glob,
can be specified multiple times
--enable, --set-enabled
enable repos with config-manager command
(automatically saves)
--disable, --set-disabled
disable repos with config-manager command
(automatically saves)
-x [package], --exclude [package], --excludepkgs [package]
exclude packages by name or glob
--disableexcludes [repo], --disableexcludepkgs [repo]
disable excludepkgs
--repofrompath [repo,path]
label and path to additional repository, can be
specified multiple times.
--noautoremove disable removal of dependencies that are no longer
used
--nogpgcheck disable gpg signature checking (if RPM policy allows)
--color COLOR control whether color is used
--refresh set metadata as expired before running the command
-4 resolve to IPv4 addresses only
-6 resolve to IPv6 addresses only
--destdir DESTDIR, --downloaddir DESTDIR
set directory to copy packages to
--downloadonly only download packages
--comment COMMENT add a comment to transaction
--bugfix Include bugfix relevant packages, in updates
--enhancement Include enhancement relevant packages, in updates
--newpackage Include newpackage relevant packages, in updates
--security Include security relevant packages, in updates
--advisory ADVISORY, --advisories ADVISORY
Include packages needed to fix the given advisory, in
updates
--bzs BUGZILLA Include packages needed to fix the given BZ, in
updates
--cves CVES Include packages needed to fix the given CVE, in
updates
--sec-severity {Critical,Important,Moderate,Low}, --secseverity {Critical,Important,Moderate,Low}
Include security relevant packages matching the
severity, in updates
--forcearch ARCH Force the use of an architecture
[root@linux ~]#
# install dnf on centos 7
- update centos
```
yum install epel-release
```
- get repository dnf
```
wget http://springdale.math.ias.edu/data/puias/unsupported/7/x86_64//dnf-0.6.4-2.sdl7.noarch.rpm
```
```
wget http://springdale.math.ias.edu/data/puias/unsupported/7/x86_64/dnf-conf-0.6.4-2.sdl7.noarch.rpm
```
```
wget http://springdale.math.ias.edu/data/puias/unsupported/7/x86_64/python-dnf-0.6.4-2.sdl7.noarch.rpm
```
- install dnf
- custome command
```
yum install dnf-0.6.4-2.sdl7.noarch.rpm dnf-conf-0.6.4-2.sdl7.noarch.rpm python-dnf-0.6.4-2.sdl7.noarch.rpm
```
- default command
```
yum install dnf
```
- test dnf
```
dnf help
```
- output dnf help
```
[root@linux ~]# dnf help
usage: dnf [options] COMMAND
List of Main Commands:
alias List or create command aliases
autoremove remove all unneeded packages that were originally installed as dependencies
check check for problems in the packagedb
check-update check for available package upgrades
clean remove cached data
deplist List package's dependencies and what packages provide them
distro-sync synchronize installed packages to the latest available versions
downgrade Downgrade a package
group display, or use, the groups information
help display a helpful usage message
history display, or use, the transaction history
info display details about a package or group of packages
install install a package or packages on your system
list list a package or groups of packages
makecache generate the metadata cache
mark mark or unmark installed packages as installed by user.
module Interact with Modules.
provides find what package provides the given value
reinstall reinstall a package
remove remove a package or packages from your system
repolist display the configured software repositories
repoquery search for packages matching keyword
repository-packages run commands on top of all packages in given repository
search search package details for the given string
shell run an interactive DNF shell
swap run an interactive dnf mod for remove and install one spec
updateinfo display advisories about packages
upgrade upgrade a package or packages on your system
upgrade-minimal upgrade, but only 'newest' package match which fixes a problem that affects your system
Optional arguments:
-c [config file], --config [config file]
config file location
-q, --quiet quiet operation
-v, --verbose verbose operation
--version show DNF version and exit
--installroot [path] set install root
--nodocs do not install documentations
--noplugins disable all plugins
--enableplugin [plugin]
enable plugins by name
--disableplugin [plugin]
disable plugins by name
--releasever RELEASEVER
override the value of $releasever in config and repo
files
--setopt SETOPTS set arbitrary config and repo options
--skip-broken resolve depsolve problems by skipping packages
-h, --help, --help-cmd
show command help
--allowerasing allow erasing of installed packages to resolve
dependencies
-b, --best try the best available package versions in
transactions.
-C, --cacheonly run entirely from system cache, don't update cache
-R [minutes], --randomwait [minutes]
maximum command wait time
-d [debug level], --debuglevel [debug level]
debugging output level
--debugsolver dumps detailed solving results into files
--showduplicates show duplicates, in repos, in list/search commands
-e ERRORLEVEL, --errorlevel ERRORLEVEL
error output level
--obsoletes enables dnf's obsoletes processing logic for upgrade
or display capabilities that the package obsoletes for
info, list and repoquery
--rpmverbosity [debug level name]
debugging output level for rpm
-y, --assumeyes automatically answer yes for all questions
--assumeno automatically answer no for all questions
--enablerepo [repo]
--disablerepo [repo]
--repo [repo], --repoid [repo]
enable just specific repositories by an id or a glob,
can be specified multiple times
--enable, --set-enabled
enable repos with config-manager command
(automatically saves)
--disable, --set-disabled
disable repos with config-manager command
(automatically saves)
-x [package], --exclude [package], --excludepkgs [package]
exclude packages by name or glob
--disableexcludes [repo], --disableexcludepkgs [repo]
disable excludepkgs
--repofrompath [repo,path]
label and path to additional repository, can be
specified multiple times.
--noautoremove disable removal of dependencies that are no longer
used
--nogpgcheck disable gpg signature checking (if RPM policy allows)
--color COLOR control whether color is used
--refresh set metadata as expired before running the command
-4 resolve to IPv4 addresses only
-6 resolve to IPv6 addresses only
--destdir DESTDIR, --downloaddir DESTDIR
set directory to copy packages to
--downloadonly only download packages
--comment COMMENT add a comment to transaction
--bugfix Include bugfix relevant packages, in updates
--enhancement Include enhancement relevant packages, in updates
--newpackage Include newpackage relevant packages, in updates
--security Include security relevant packages, in updates
--advisory ADVISORY, --advisories ADVISORY
Include packages needed to fix the given advisory, in
updates
--bzs BUGZILLA Include packages needed to fix the given BZ, in
updates
--cves CVES Include packages needed to fix the given CVE, in
updates
--sec-severity {Critical,Important,Moderate,Low}, --secseverity {Critical,Important,Moderate,Low}
Include security relevant packages matching the
severity, in updates
--forcearch ARCH Force the use of an architecture
[root@linux ~]#
```
# redrensi
- [www.interserver.net](https://www.interserver.net/tips/kb/install-dnf-in-rhel-centos-7/):Install DNF in RHEL/CentOS 7
- [ostechnix.com](https://ostechnix.com/install-dnf-centos-7/): How To Install DNF On CentOS 7
install dnf on centos 7
install dnf
test dnf
output dnf help
redrensi
www.interserver.net:Install DNF in RHEL/CentOS 7
ostechnix.com: How To Install DNF On CentOS 7