How To Install stunnel on CentOS 8
Introduction
In this tutorial we learn how to install stunnel on CentOS 8.
What is stunnel
Stunnel is a socket wrapper which can provide TLS/SSL (Transport Layer Security/Secure Sockets Layer) support to ordinary applications. For example, it can be used in conjunction with imapd to create a TLS secure IMAP server.
We can use yum or dnf to install stunnel on CentOS 8. In this tutorial we discuss both methods but you only need to choose one of method to install stunnel.
Install stunnel 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 stunnel using dnf by running the following command:
sudo dnf -y install stunnel
Install stunnel 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 stunnel using yum by running the following command:
sudo yum -y install stunnel
How To Uninstall stunnel on CentOS 8
To uninstall only the stunnel package we can use the following command:
sudo dnf remove stunnel
stunnel Package Contents on CentOS 8
/etc/stunnel
/usr/bin/stunnel
/usr/lib/.build-id
/usr/lib/.build-id/22
/usr/lib/.build-id/22/fe748eda21c6c0df1a13d407963fc28e7aee1d
/usr/lib/.build-id/8a
/usr/lib/.build-id/8a/9502350fd7ae4ab94e32c64787f879741b5888
/usr/lib/systemd/system/stunnel.service
/usr/lib/systemd/system/[email protected]
/usr/lib64/stunnel
/usr/lib64/stunnel/libstunnel.so
/usr/share/doc/stunnel/Certificate-Creation
/usr/share/doc/stunnel/VNC_StunnelHOWTO.html
/usr/share/doc/stunnel/faq.stunnel-2.html
/usr/share/doc/stunnel/pop3-redirect.xinetd
/usr/share/doc/stunnel/sfinger.xinetd
/usr/share/doc/stunnel/stunnel-pop3s-client.conf
/usr/share/doc/stunnel/stunnel-sfinger.conf
/usr/share/doc/stunnel/stunnel.conf-sample
/usr/share/doc/stunnel/tworzenie_certyfikatow.html
/usr/share/licenses/stunnel
/usr/share/licenses/stunnel/COPYING.md
/usr/share/licenses/stunnel/COPYRIGHT.md
/usr/share/man/man8/stunnel.8.gz
/usr/share/man/pl/man8/stunnel.8.gz
References
Summary
In this tutorial we learn how to install stunnel on CentOS 8 using yum and dnf.