How To Install x3270-x11 on CentOS 8

x3270-x11 is IBM 3278/3279 terminal emulator for the X Window System

Introduction

In this tutorial we learn how to install x3270-x11 on CentOS 8.

What is x3270-x11

The x3270 program opens a window in the X Window System which emulates the actual look of an IBM 3278/3279 terminal, commonly used with mainframe applications. x3270 also allows you to telnet to an IBM host from the x3270 window. Install the x3270-x11 package if you need to access IBM hosts using an IBM 3278/3279 terminal emulator from X11.

We can use yum or dnf to install x3270-x11 on CentOS 8. In this tutorial we discuss both methods but you only need to choose one of method to install x3270-x11.

Install x3270-x11 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 x3270-x11 using dnf by running the following command:

sudo dnf -y install x3270-x11

Install x3270-x11 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 x3270-x11 using yum by running the following command:

sudo yum -y install x3270-x11

How To Uninstall x3270-x11 on CentOS 8

To uninstall only the x3270-x11 package we can use the following command:

sudo dnf remove x3270-x11

x3270-x11 Package Contents on CentOS 8

/etc/X11/fontpath.d/x3270
/usr/bin/x3270
/usr/lib/.build-id
/usr/lib/.build-id/27
/usr/lib/.build-id/27/bf6e209285d7eaa6e8bc991d6e4c6536e779c3
/usr/share/applications/x3270.desktop
/usr/share/doc/x3270-x11
/usr/share/doc/x3270-x11/LICENSE.x3270
/usr/share/doc/x3270-x11/README.x3270
/usr/share/doc/x3270-x11/html.x3270
/usr/share/doc/x3270-x11/html.x3270/Attributes.html
/usr/share/doc/x3270-x11/html.x3270/Brackets.html
/usr/share/doc/x3270-x11/html.x3270/Bugs.html
/usr/share/doc/x3270-x11/html.x3270/Charset.html
/usr/share/doc/x3270-x11/html.x3270/FAQ.html
/usr/share/doc/x3270-x11/html.x3270/Intro.html
/usr/share/doc/x3270-x11/html.x3270/Keymap.html
/usr/share/doc/x3270-x11/html.x3270/Lineage.html
/usr/share/doc/x3270-x11/html.x3270/README.html
/usr/share/doc/x3270-x11/html.x3270/ReleaseNotes.html
/usr/share/doc/x3270-x11/html.x3270/Resources.html
/usr/share/doc/x3270-x11/html.x3270/SSL.html
/usr/share/doc/x3270-x11/html.x3270/Wishlist.html
/usr/share/doc/x3270-x11/html.x3270/del.jpg
/usr/share/doc/x3270-x11/html.x3270/delta.jpg
/usr/share/doc/x3270-x11/html.x3270/documentation-faq-body.html
/usr/share/doc/x3270-x11/html.x3270/documentation-relnotes-body.html
/usr/share/doc/x3270-x11/html.x3270/ibm_hosts.html
/usr/share/doc/x3270-x11/html.x3270/license-body.html
/usr/share/doc/x3270-x11/html.x3270/x3270-man.html
/usr/share/doc/x3270-x11/html.x3270/x3270-script.html
/usr/share/doc/x3270-x11/html.x3270/x3270.jpg
/usr/share/doc/x3270-x11/html.x3270/x3270.xbm
/usr/share/fonts/x3270
/usr/share/fonts/x3270/3270-12.pcf.gz
/usr/share/fonts/x3270/3270-12b.pcf.gz
/usr/share/fonts/x3270/3270-20.pcf.gz
/usr/share/fonts/x3270/3270-20b.pcf.gz
/usr/share/fonts/x3270/3270.pcf.gz
/usr/share/fonts/x3270/3270b.pcf.gz
/usr/share/fonts/x3270/3270gr.pcf.gz
/usr/share/fonts/x3270/3270gt12.pcf.gz
/usr/share/fonts/x3270/3270gt12b.pcf.gz
/usr/share/fonts/x3270/3270gt16.pcf.gz
/usr/share/fonts/x3270/3270gt16b.pcf.gz
/usr/share/fonts/x3270/3270gt24.pcf.gz
/usr/share/fonts/x3270/3270gt24b.pcf.gz
/usr/share/fonts/x3270/3270gt32.pcf.gz
/usr/share/fonts/x3270/3270gt32b.pcf.gz
/usr/share/fonts/x3270/3270gt8.pcf.gz
/usr/share/fonts/x3270/3270h.pcf.gz
/usr/share/fonts/x3270/fonts.dir
/usr/share/icons/hicolor/48x48/apps/x3270.png
/usr/share/man/man1/x3270.1.gz

References

Summary

In this tutorial we learn how to install x3270-x11 on CentOS 8 using yum and dnf.