How To Install qmqp-sink on Debian 11

One-liner install command

For those in a hurry, here's a one-line installation command:

sudo apt-get update && sudo apt -y install postfix

But if you are interested in the detailed steps with descriptions, the following information is for you.

What is qmqp-sink and what are the ways to install it?

Before beginning this tutorial, you will need access to a server or computer running Debian 11. This guide was written specifically with a server running Debian 11 in mind, although it should also work on older, supported versions of the operating system.

Also, make sure you are running a regular, non-root user with sudo privileges configured on your server. When you have an account available, log in as your non-root user to begin.

There are several ways to install qmqp-sink on Debian 11. You can use (links are clickable):

In the following sections, we will describe each method in detail. You can choose one of them or refer to the recommended one.

Install qmqp-sink using apt-get

First, update apt database with apt-get using the following command.

sudo apt-get update

After updating apt-get database, You can install qmqp-sink using apt by running the following command:

sudo apt -y install postfix

Install qmqp-sink using apt

Because qmqp-sink is available in Debian 11’s default repositories, it is possible to install it from these repositories using the apt packaging system.

To begin, update apt database with apt using the following command.

sudo apt update

After updating apt database, You can install qmqp-sink using apt by running the following command:

sudo apt -y install postfix

Install qmqp-sink using aptitude

If you want to follow this method, you might need to install aptitude first since aptitude is usually not installed by default on Debian 11. Update apt database with aptitude using the following command.

sudo aptitude update

After updating aptitude database, You can install qmqp-sink by running the following command:

sudo aptitude -y install postfix

How to upgrade (update) a single package qmqp-sink using apt-get?

First, you will need to update packages index. Run update command as usual:

sudo apt-get update

Next, to upgrade only the qmqp-sink, e.g. single package, you should use the following format with the apt-get command/apt command:

sudo apt-get --only-upgrade install postfix

Note that this command will not install any new packages! If you wish to install the package if it doesn't exist you may leave out --only-upgrade part.

sudo apt-get install postfix

How To Uninstall qmqp-sink from Debian 11

To uninstall only the qmqp-sink package you can execute the following command:

sudo apt-get remove postfix

Uninstall qmqp-sink and all its dependencies

To uninstall qmqp-sink and its dependencies that are no longer needed by Debian 11, you can use the command below:

sudo apt-get -y autoremove postfix

Remove qmqp-sink with all configurations and data

To remove qmqp-sink configuration and data from your system you can run the following purge command:

sudo apt-get -y purge postfix

Remove qmqp-sink completely (configurations, data and all of its dependencies)

And lastly, you can run the next command to remove absolutely everything related to qmqp-sink package, e.g.: configurations, data and all of its dependencies. Just use this command:

sudo apt-get -y autoremove --purge postfix

Extra info and code examples

Postfix is Wietse Venema's mail transport agent that started life as an alternative to the widely-used Sendmail program. Postfix attempts to be fast, easy to administer, and secure, while at the same time being sendmail compatible enough to not upset existing users. Thus, the outside has a sendmail-ish flavor, but the inside is completely different.

Conclusion

You now have a full guide on how to install qmqp-sink using apt, apt-get and aptitude tools. Also, we showed how to update as a single package and different ways to uninstall the qmqp-sink from Debian 11.

See also: