How to install R1Soft Agent on CentOS 7

on February 28th, 2017 by Hades | No Comments »

The R1Soft Server Backup Manager is a backup application for Linux and Windows machines that runs nearly continuously and is developed by R1Soft. This application allows users to schedule disk-based backups of their server that essentially create a virtual disk image, which is then stored online. New agents, which are servers to be backed up, are easily added using the Backup Manager and allow you to have full control of your system in the case that you need to restore it to the original server or even another server.

You must add the R1Soft repository as a yum repository. yum, short for Yellowdog Updater Modified, and is the primary CentOS 7 (and all other RedHat-based distros) package installer and manager. To be able to install packages that are not from the built-in Linux package repository, you must have the necessary repository for where the package is located configured for yum to use. For R1Soft, we will configure yum to possess the correct repository by adding its information to a file in the /etc/yum.repos.d directory. Using the text editor nano, we can create a new file named r1soft.repo in this directory with the following command:

nano -w /etc/yum.repos.d/r1soft.repo

With the r1soft.repo file open, enter the following configuration details as they appear below. These details tell yum where to look for the R1Soft Server Backup Manager package so that we can install it:

name=R1Soft Repository Server

Save and close the file. To double check that the file looks as it should use the command cat to print the contents of the file to the terminal:

cat /etc/yum.repos.d/r1soft.repo

Be careful at this step. The contents of the r1soft.repo file must look exactly as specified above before you can proceed so that the package can be installed! If everything looks as it should, you can now install the R1Soft Server BackupManager package, known as serverbackup-enterprise-agent, using yum:

yum install serverbackup-enterprise-agent

Enter y when prompted for “yes” during the installation process. When it completes, it will output some basic information about the installation as well as how to assign a username and password to the Idera Server Backup Manager. This manager module can then be used to compile the R1Soft Agent to run on your CentOS 7 server, as we will show in the next stops.

The installed R1Soft Server Backup Device Driver is a loadable Linux kernel module. As a side note, loadable modules must be enabled as a kernel feature to be able to use the Server Backup Device Driver, however this is standard on all popular Linux distributions such as CentOS 7. To compile the module from source, you can use the kernel headers with the serverbackup-setup command to obtain all the information needed to compile modules from your kernel. To do this, your CentOS 7 server must have internet connectivity to the R1Soft host at, TCP port (HTTPS) 443. You can easily and quickly test your connection to make sure it is working with this command:

serverbackup-setup --test-connection

If you see the message “Connected successfully to,” then you can proceed. If not, verify your internet settings. Next, install the kernel-devel package if you do not have it. This package allows you to compile a module, which is also known as a kernel driver. Enter y for “yes” at the prompt.

yum install kernel-devel

Next, run the following command using serverbackup-setup to build the kernel module for R1Soft:

serverbackup-setup --get-module

The output should contain text such as the following if all went correctly:

# serverbackup-setup --get-module
Building header archive ...
Session ID: 662634248
Waiting to upload...
Uploading file...
Waiting in build queue...
Downloading module...

For reasons of security, the R1Soft Backup Agent is configured to only accept connections from known Backup Managers. You can authorize a Backup Manager to the Backup Agent by adding the BackUp Manager public key to the configuration of the Agent. To download the key using the serverbackup-setup tool, replace the text “Manager_URL” with the information of your manager:

serverbackup-setup --get-key Manager_URL

For example, you may write something like this if you want to add a Backup Manager with the IP address to the list of Backup Managers known to the Backup Agent:

serverbackup-setup --get-key

You can then check that the key has been added correctly using the command:

serverbackup-setup --list-keys

Make sure that the key is in the list output from above. Next, to restart the newly installed driver, use the command suggested during the compilation process:

/etc/init.d/cdp-agent restart

Finally, for the sake of convenience, enable the backup service to start on boot:

systemctl enable cdp-agent

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