How To Install dropbear on CentOS 8
Introduction
In this tutorial we learn how to install dropbear on CentOS 8.
What is dropbear
Dropbear is a relatively small SSH server and client. It’s particularly useful for “embedded”-type Linux (or other Unix) systems, such as wireless routers.
We can use yum or dnf to install dropbear on CentOS 8. In this tutorial we discuss both methods but you only need to choose one of method to install dropbear.
Install dropbear 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 dropbear using dnf by running the following command:
sudo dnf -y install dropbear
Install dropbear 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 dropbear using yum by running the following command:
sudo yum -y install dropbear
How To Uninstall dropbear on CentOS 8
To uninstall only the dropbear package we can use the following command:
sudo dnf remove dropbear
dropbear Package Contents on CentOS 8
/etc/dropbear
/usr/bin/dbclient
/usr/bin/dropbearconvert
/usr/bin/dropbearkey
/usr/lib/.build-id
/usr/lib/.build-id/54
/usr/lib/.build-id/54/55393c3526d486d493cfd1d74cd4e491813032
/usr/lib/.build-id/5b
/usr/lib/.build-id/5b/1a1b91f26dafa6da643bdcdc94ae07d5012a2b
/usr/lib/.build-id/67
/usr/lib/.build-id/67/ad5c7c305464e392558762f36198bad48a031c
/usr/lib/.build-id/88
/usr/lib/.build-id/88/b52752a69cf5411e7f7c8cf51d686e96cd9519
/usr/lib/systemd/system/dropbear-keygen.service
/usr/lib/systemd/system/dropbear.service
/usr/sbin/dropbear
/usr/share/doc/dropbear
/usr/share/doc/dropbear/CHANGES
/usr/share/doc/dropbear/README
/usr/share/licenses/dropbear
/usr/share/licenses/dropbear/LICENSE
/usr/share/man/man1/dbclient.1.gz
/usr/share/man/man1/dropbearconvert.1.gz
/usr/share/man/man1/dropbearkey.1.gz
/usr/share/man/man8/dropbear.8.gz
References
Summary
In this tutorial we learn how to install dropbear on CentOS 8 using yum and dnf.