How To Install mosquitto on CentOS 8
Introduction
In this tutorial we learn how to install mosquitto on CentOS 8.
What is mosquitto
Mosquitto is an open source message broker that implements the MQ Telemetry Transport protocol version 3.1 and 3.1.1 MQTT provides a lightweight method of carrying out messaging using a publish/subscribe model. This makes it suitable for “machine to machine” messaging such as with low power sensors or mobile devices such as phones, embedded computers or micro-controllers like the Arduino.
We can use yum or dnf to install mosquitto on CentOS 8. In this tutorial we discuss both methods but you only need to choose one of method to install mosquitto.
Install mosquitto 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 mosquitto using dnf by running the following command:
sudo dnf -y install mosquitto
Install mosquitto 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 mosquitto using yum by running the following command:
sudo yum -y install mosquitto
How To Uninstall mosquitto on CentOS 8
To uninstall only the mosquitto package we can use the following command:
sudo dnf remove mosquitto
mosquitto Package Contents on CentOS 8
/etc/mosquitto
/etc/mosquitto/aclfile.example
/etc/mosquitto/mosquitto.conf
/etc/mosquitto/pskfile.example
/etc/mosquitto/pwfile.example
/usr/bin/mosquitto_passwd
/usr/bin/mosquitto_pub
/usr/bin/mosquitto_rr
/usr/bin/mosquitto_sub
/usr/lib/.build-id
/usr/lib/.build-id/1d
/usr/lib/.build-id/1d/a70caabc6fd80d7273e4e516a907ca8034af31
/usr/lib/.build-id/47
/usr/lib/.build-id/47/cb6bf93c51b3a46990f67a52fdcc11d24df0de
/usr/lib/.build-id/53
/usr/lib/.build-id/53/9fcca59a7543d663762a7d84535a2838483715
/usr/lib/.build-id/91
/usr/lib/.build-id/91/370d367d127263b9754e0deac903677668ae85
/usr/lib/.build-id/a0
/usr/lib/.build-id/a0/e94c6732b1156285ef9973a3e37e0ed3e30e21
/usr/lib/.build-id/b2
/usr/lib/.build-id/b2/ad77390e9d883bd7b2f672505117085de3db68
/usr/lib/.build-id/b8
/usr/lib/.build-id/b8/c465af92f7a9466e18ac4d58a0fb575fd6a37c
/usr/lib/systemd/system/mosquitto.service
/usr/lib64/libmosquitto.so.1
/usr/lib64/libmosquittopp.so.1
/usr/sbin/mosquitto
/usr/share/doc/mosquitto
/usr/share/doc/mosquitto/CONTRIBUTING.md
/usr/share/doc/mosquitto/ChangeLog.txt
/usr/share/doc/mosquitto/readme.md
/usr/share/licenses/mosquitto
/usr/share/licenses/mosquitto/LICENSE.txt
/usr/share/man/man1/mosquitto_passwd.1.gz
/usr/share/man/man1/mosquitto_pub.1.gz
/usr/share/man/man1/mosquitto_rr.1.gz
/usr/share/man/man1/mosquitto_sub.1.gz
/usr/share/man/man5/mosquitto.conf.5.gz
/usr/share/man/man7/mosquitto-tls.7.gz
/usr/share/man/man7/mqtt.7.gz
/usr/share/man/man8/mosquitto.8.gz
References
Summary
In this tutorial we learn how to install mosquitto on CentOS 8 using yum and dnf.