How To Install zvbi on CentOS 7
Introduction
In this tutorial we learn how to install zvbi on CentOS 7.
What is zvbi
ZVBI provides functions to capture and decode VBI data. The vertical blanking interval (VBI) is an interval in a television signal that temporarily suspends transmission of the signal for the electron gun to move back up to the first line of the television screen to trace the next screen field. The vertical blanking interval can be used to carry data, since anything sent during the VBI would naturally not be displayed; various test signals, closed captioning, and other digital data can be sent during this time period.
We can use yum or dnf to install zvbi on CentOS 7. In this tutorial we discuss both methods but you only need to choose one of method to install zvbi.
Install zvbi on CentOS 7 Using yum
Update yum database with yum using the following command.
sudo yum makecache
After updating yum database, We can install zvbi using yum by running the following command:
sudo yum -y install zvbi
Install zvbi on CentOS 7 Using dnf
If you don’t have dnf installed you can install DNF on CentOS 7 first.
Update yum database with dnf using the following command.
sudo dnf makecache
After updating yum database, We can install zvbi using dnf by running the following command:
sudo dnf -y install zvbi
How To Uninstall zvbi on CentOS 7
To uninstall only the zvbi package we can use the following command:
sudo dnf remove zvbi
References
Summary
In this tutorial we learn how to install zvbi on CentOS 7 using yum and dnf.
