Permissions are dependant on the intended role of the Linux server. For more information, review this page of the user guide.
Linux servers registered with Veeam Backup & Replication infrastructure must use Password or Certificate-based authentication methods and bash shell.
Note: Starting with Veeam Backup & Replication v11, Perl is only required when using non-persistent data movers. Non-persistent data movers are only used when the account used by Veeam Backup & Replication to connect to the Linux server is not root or cannot elevate (su/sudo) to root.
When Perl is required, the following Perl modules must be installed:
In most scenarios these will be installed by default.