How To Install duperemove on CentOS 8

duperemove is Tools for deduping file systems

Introduction

In this tutorial we learn how to install duperemove on CentOS 8.

What is duperemove

Duperemove is a simple tool for finding duplicated extents and submitting them for deduplication. When given a list of files it will hash their contents on a block by block basis and compare those hashes to each other, finding and categorizing extents that match each other. When given the -d option, duperemove will submit those extents for deduplication using the btrfs-extent-same ioctl.

We can use yum or dnf to install duperemove on CentOS 8. In this tutorial we discuss both methods but you only need to choose one of method to install duperemove.

Install duperemove 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 duperemove using dnf by running the following command:

sudo dnf -y install duperemove

Install duperemove 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 duperemove using yum by running the following command:

sudo yum -y install duperemove

How To Uninstall duperemove on CentOS 8

To uninstall only the duperemove package we can use the following command:

sudo dnf remove duperemove

duperemove Package Contents on CentOS 8

/usr/lib/.build-id
/usr/lib/.build-id/62
/usr/lib/.build-id/62/ed8a540b08fa8a0c4c6c0f57fe8335ee91c7ef
/usr/lib/.build-id/67
/usr/lib/.build-id/67/08a4852001b7e9ea839d4632c9f849c64789d2
/usr/lib/.build-id/69
/usr/lib/.build-id/69/835fddde669011a1353705cb3a2e1a1aa9699d
/usr/lib/.build-id/a8
/usr/lib/.build-id/a8/41ad7983a69e09341fb07a64a19ab1389b9236
/usr/sbin/btrfs-extent-same
/usr/sbin/duperemove
/usr/sbin/hashstats
/usr/sbin/show-shared-extents
/usr/share/doc/duperemove
/usr/share/doc/duperemove/README.md
/usr/share/licenses/duperemove
/usr/share/licenses/duperemove/LICENSE
/usr/share/man/man8/btrfs-extent-same.8.gz
/usr/share/man/man8/duperemove.8.gz
/usr/share/man/man8/hashstats.8.gz
/usr/share/man/man8/show-shared-extents.8.gz

References

Summary

In this tutorial we learn how to install duperemove on CentOS 8 using yum and dnf.