Introduction
In this tutorial we learn how to install certbot on CentOS 8.
What is certbot
certbot is a free, automated certificate authority that aims to lower the barriers to entry for encrypting all HTTP traffic on the internet.
We can use yum or dnf to install certbot on CentOS 8. In this tutorial we discuss both methods but you only need to choose one of method to install certbot.
Install certbot 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 certbot using dnf by running the following command:
sudo dnf -y install certbot
Install certbot 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 certbot using yum by running the following command:
sudo yum -y install certbot
How To Uninstall certbot on CentOS 8
To uninstall only the certbot package we can use the following command:
sudo dnf remove certbot
certbot Package Contents on CentOS 8
/etc/letsencrypt
/etc/sysconfig/certbot
/usr/bin/certbot
/usr/bin/letsencrypt
/usr/lib/systemd/system/certbot-renew.service
/usr/lib/systemd/system/certbot-renew.timer
/usr/share/doc/certbot
/usr/share/doc/certbot/CHANGELOG.md
/usr/share/doc/certbot/README.fedora
/usr/share/doc/certbot/README.rst
/usr/share/licenses/certbot
/usr/share/licenses/certbot/LICENSE.txt
/var/lib/letsencrypt
/var/log
References
Summary
In this tutorial we learn how to install certbot on CentOS 8 using yum and dnf.
