How To Install postfix-cdb on Rocky Linux 8
Introduction
In this tutorial we learn how to install postfix-cdb on Rocky Linux 8.
What is postfix-cdb
This provides support for CDB maps in Postfix. If you plan to use CDB maps with Postfix, you need this.
We can use yum or dnf to install postfix-cdb on Rocky Linux 8. In this tutorial we discuss both methods but you only need to choose one of method to install postfix-cdb.
Install postfix-cdb on Rocky Linux 8 Using dnf
Update yum database with dnf using the following command.
sudo dnf makecache --refresh
After updating yum database, We can install postfix-cdb using dnf by running the following command:
sudo dnf -y install postfix-cdb
Install postfix-cdb on Rocky Linux 8 Using yum
Update yum database with yum using the following command.
sudo yum makecache --refresh
After updating yum database, We can install postfix-cdb using yum by running the following command:
sudo yum -y install postfix-cdb
How To Uninstall postfix-cdb on Rocky Linux 8
To uninstall only the postfix-cdb package we can use the following command:
sudo dnf remove postfix-cdb
postfix-cdb Package Contents on Rocky Linux 8
/etc/postfix/dynamicmaps.cf.d/cdb
/etc/postfix/postfix-files.d/cdb
/usr/lib/.build-id
/usr/lib/.build-id/b7
/usr/lib/.build-id/b7/ea93d2f3a577468afe9c0f1151e24526500ec3
/usr/lib64/postfix/postfix-cdb.so
/usr/share/doc/postfix/README_FILES/CDB_README
References
Summary
In this tutorial we learn how to install postfix-cdb on Rocky Linux 8 using yum and dnf.
