How To Install optipng on CentOS 8
Introduction
In this tutorial we learn how to install optipng on CentOS 8.
What is optipng
OptiPNG is a PNG optimizer that recompresses image files to a smaller size, without losing any information. This program also converts external formats (BMP, GIF, PNM and TIFF) to optimized PNG, and performs PNG integrity checks and corrections.
We can use yum or dnf to install optipng on CentOS 8. In this tutorial we discuss both methods but you only need to choose one of method to install optipng.
Install optipng 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 optipng using dnf by running the following command:
sudo dnf -y install optipng
Install optipng 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 optipng using yum by running the following command:
sudo yum -y install optipng
How To Uninstall optipng on CentOS 8
To uninstall only the optipng package we can use the following command:
sudo dnf remove optipng
optipng Package Contents on CentOS 8
/usr/bin/optipng
/usr/lib/.build-id
/usr/lib/.build-id/59
/usr/lib/.build-id/59/a5e099596d1ecd9d682685085eb5a01298ad52
/usr/share/doc/optipng
/usr/share/doc/optipng/AUTHORS.txt
/usr/share/doc/optipng/README.txt
/usr/share/doc/optipng/history.txt
/usr/share/doc/optipng/optipng.man.html
/usr/share/doc/optipng/optipng.man.pdf
/usr/share/doc/optipng/optipng.man.txt
/usr/share/doc/optipng/png_optimization.html
/usr/share/doc/optipng/todo.txt
/usr/share/licenses/optipng
/usr/share/licenses/optipng/LICENSE.txt
/usr/share/man/man1/optipng.1.gz
References
Summary
In this tutorial we learn how to install optipng on CentOS 8 using yum and dnf.