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From: fujisan <bac...@ba...> - 2015-10-28 16:05:25
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That's part of the BackupPC documentation:
BackupPC User
It is best if BackupPC runs as a special user, eg backuppc, that has limited privileges. It is preferred that backuppc belongs to a system administrator group so that sys admin members can browse BackupPC files, edit the configuration files and so on. Although configurable, the default settings leave group read permission on pool files, so make sure the BackupPC user's group is chosen restrictively.
On this installation, this is backuppc.
For security purposes you might choose to configure the BackupPC user with the shell set to /bin/false. Since you might need to run some BackupPC programs as the BackupPC user for testing purposes, you can use the -s option to su to explicitly run a shell, eg:
su -s /bin/bash backuppc
Depending upon your configuration you might also need the -l option.
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