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Linux command: dnf

DNF is a software package manager

Notes while using DNF — software package manager — on Fedora Workstation 30.

dnf Cheat Sheet

dnf install -y packagename1 packagename2
dnf reinstall -y packagename
dnf remove -y packagename
dnf search packagename

Examples

Count number of packages

[tuyen@g73jh ~]$ dnf list | wc -l
58683
[tuyen@g73jh ~]$

Count number of installed packages

[tuyen@g73jh ~]$ dnf list --installed | wc -l
1802
[tuyen@g73jh ~]$ 

Search for 'dynamips' package

[tuyen@g73jh ~]$ dnf search dynamips
Last metadata expiration check: 0:24:44 ago on Wed 18 Sep 2019 10:51:38 AM +07.
======================== Name Exactly Matched: dynamips ========================
dynamips.x86_64 : Cisco Router Emulator
[tuyen@g73jh ~]$ 

Check if 'bison' package is installed

[tuyen@g73jh ~]$ dnf list --installed | grep bison
[tuyen@g73jh ~]$

Check if 'gcc' package is installed

[tuyen@g73jh ~]$ dnf list --installed | grep gcc
gcc.x86_64                                        9.2.1-1.fc30                        @updates                    
gcc-gdb-plugin.x86_64                             9.2.1-1.fc30                        @updates                    
libgcc.i686                                       9.2.1-1.fc30                        @updates                    
libgcc.x86_64                                     9.2.1-1.fc30                        @updates                    
[tuyen@g73jh ~]$ 

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