How To Install device-mapper on CentOS 8
Introduction
In this tutorial we learn how to install device-mapper on CentOS 8.
What is device-mapper
This package contains the supporting userspace utility, dmsetup, for the kernel device-mapper. device-mapper 8 1.02.175 5.el8 x86_64 375 k lvm2-2.03.11-5.el8.src.rpm baseos Device mapper utility http GPLv2 This package contains the supporting userspace utility, dmsetup, for the kernel device-mapper.
We can use yum or dnf to install device-mapper on CentOS 8. In this tutorial we discuss both methods but you only need to choose one of method to install device-mapper.
Install device-mapper on CentOS 8 Using dnf
Update yum database with dnf using the following command.
sudo dnf makecache --refresh
The output should look something like this:
CentOS Linux 8 - AppStream 43 kB/s | 4.3 kB 00:00
CentOS Linux 8 - BaseOS 65 kB/s | 3.9 kB 00:00
CentOS Linux 8 - ContinuousRelease 43 kB/s | 3.0 kB 00:00
CentOS Linux 8 - Extras 23 kB/s | 1.5 kB 00:00
CentOS Linux 8 - FastTrack 40 kB/s | 3.0 kB 00:00
CentOS Linux 8 - HighAvailability 36 kB/s | 3.9 kB 00:00
CentOS Linux 8 - Plus 24 kB/s | 1.5 kB 00:00
CentOS Linux 8 - PowerTools 50 kB/s | 4.3 kB 00:00
Extra Packages for Enterprise Linux Modular 8 - x86_64 13 kB/s | 9.2 kB 00:00
Extra Packages for Enterprise Linux 8 - x86_64 24 kB/s | 8.5 kB 00:00
Metadata cache created.
After updating yum database, We can install device-mapper using dnf by running the following command:
sudo dnf -y install device-mapper
Install device-mapper on CentOS 8 Using yum
Update yum database with yum using the following command.
sudo yum makecache --refresh
The output should look something like this:
CentOS Linux 8 - AppStream 43 kB/s | 4.3 kB 00:00
CentOS Linux 8 - BaseOS 65 kB/s | 3.9 kB 00:00
CentOS Linux 8 - ContinuousRelease 43 kB/s | 3.0 kB 00:00
CentOS Linux 8 - Extras 23 kB/s | 1.5 kB 00:00
CentOS Linux 8 - FastTrack 40 kB/s | 3.0 kB 00:00
CentOS Linux 8 - HighAvailability 36 kB/s | 3.9 kB 00:00
CentOS Linux 8 - Plus 24 kB/s | 1.5 kB 00:00
CentOS Linux 8 - PowerTools 50 kB/s | 4.3 kB 00:00
Extra Packages for Enterprise Linux Modular 8 - x86_64 13 kB/s | 9.2 kB 00:00
Extra Packages for Enterprise Linux 8 - x86_64 24 kB/s | 8.5 kB 00:00
Metadata cache created.
After updating yum database, We can install device-mapper using yum by running the following command:
sudo yum -y install device-mapper
How To Uninstall device-mapper on CentOS 8
To uninstall only the device-mapper package we can use the following command:
sudo dnf remove device-mapper
device-mapper Package Contents on CentOS 8
/usr/lib/.build-id
/usr/lib/.build-id/66
/usr/lib/.build-id/66/5bee7b4db2730e4db3140ab433e7ac0981be42
/usr/lib/.build-id/e0
/usr/lib/.build-id/e0/d449f335194915a7178579bb0d9d5b305e20fc
/usr/lib/udev/rules.d/10-dm.rules
/usr/lib/udev/rules.d/13-dm-disk.rules
/usr/lib/udev/rules.d/95-dm-notify.rules
/usr/sbin/blkdeactivate
/usr/sbin/dmfilemapd
/usr/sbin/dmsetup
/usr/sbin/dmstats
/usr/share/doc/device-mapper
/usr/share/doc/device-mapper/12-dm-permissions.rules
/usr/share/doc/device-mapper/README
/usr/share/doc/device-mapper/VERSION_DM
/usr/share/doc/device-mapper/WHATS_NEW_DM
/usr/share/licenses/device-mapper
/usr/share/licenses/device-mapper/COPYING
/usr/share/licenses/device-mapper/COPYING.LIB
/usr/share/man/man8/blkdeactivate.8.gz
/usr/share/man/man8/dmfilemapd.8.gz
/usr/share/man/man8/dmsetup.8.gz
/usr/share/man/man8/dmstats.8.gz
References
- [device-mapper website](http://sources.redhat.com/dm http://sources.redhat.com/dm)
Summary
In this tutorial we learn how to install device-mapper on CentOS 8 using yum and dnf.