How to Install Amanda on CentOS 7

Amanda, also known as Advanced Maryland Automatic Network Disk Archiver, is an open-source backup and recovery solution. It allows you to back up and restore files from multiple computers over a network, focusing on data integrity and scalability.

Here's a step-by-step guide to installing Amanda on CentOS 7:

1. Update your system:

   sudo yum update -y

2. Install the necessary packages:

   sudo yum install -y amanda-server amanda-client

3. Edit the Amanda configuration file:

   sudo vi /etc/amanda/DOMAINNAME/amanda.conf

   Replace DOMAINNAME with the name of your domain. Set the values according to your backup requirements.
4. Create or edit the disklist file:

   sudo vi /etc/amanda/DOMAINNAME/disklist

   Add the hostname or IP address of the client machines to be backed up and specify the file system paths to be backed up.
5. Generate the encryption key:

   sudo amandaconfig -t DOMAINNAME

   Replace DOMAINNAME with the name of your domain. Follow the prompts to create the encryption key.
6. Start the Amanda server:

   sudo systemctl start amanda

7. Enable Amanda to start at boot:

   sudo systemctl enable amanda

You have now installed Amanda on your CentOS 7 system. You can now start scheduling backups, monitor them, and perform restores as needed.