How To Install c3270 on Ubuntu 21.04

One-liner install command

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

sudo apt-get update && sudo apt -y install c3270

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

What is c3270 and what are the ways to install it?

Before beginning this tutorial, you will need access to a server or computer running Ubuntu 21.04. This guide was written specifically with a server running Ubuntu 21.04 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 c3270 on Ubuntu 21.04. 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 c3270 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 c3270 using apt by running the following command:

sudo apt -y install c3270

Install c3270 using apt

Because c3270 is available in Ubuntu 21.04’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 c3270 using apt by running the following command:

sudo apt -y install c3270

Install c3270 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 Ubuntu 21.04. Update apt database with aptitude using the following command.

sudo aptitude update

After updating aptitude database, You can install c3270 by running the following command:

sudo aptitude -y install c3270

How to upgrade (update) a single package c3270 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 c3270, e.g. single package, you should use the following format with the apt-get command/apt command:

sudo apt-get --only-upgrade install c3270

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 c3270

How To Uninstall c3270 from Ubuntu 21.04

To uninstall only the c3270 package you can execute the following command:

sudo apt-get remove c3270

Uninstall c3270 and all its dependencies

To uninstall c3270 and its dependencies that are no longer needed by Ubuntu 21.04, you can use the command below:

sudo apt-get -y autoremove c3270

Remove c3270 with all configurations and data

To remove c3270 configuration and data from your system you can run the following purge command:

sudo apt-get -y purge c3270

Remove c3270 completely (configurations, data and all of its dependencies)

And lastly, you can run the next command to remove absolutely everything related to c3270 package, e.g.: configurations, data and all of its dependencies. Just use this command:

sudo apt-get -y autoremove --purge c3270

Extra info and code examples

c3270 opens a telnet connection to an IBM mainframe host in an Xterm window or Virtual Console. It can also connect to an IBM AS/400 as a 5250 terminal using the AS/400's 3270 emulation. c3270 is similar to tn3270(1), and x3270(1) except that it is curses-based, not X-based. c3270 implements RFCs 2355 (TN3270E), 1576 (TN3270), and 1646 (LU name selection), and supports IND$FILE file transfer.

Conclusion

You now have a full guide on how to install c3270 using apt, apt-get and aptitude tools. Also, we showed how to update as a single package and different ways to uninstall the c3270 from Ubuntu 21.04.

See also: