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|RHEL/CentOS - only allow some users SFTP or FTPS access. And nobody FTP access.||10||66|
|rsync options - best to use for migrating server. Both initial copy, and final sync (i.e. final sync should remove files that are gone now)||3||87|
|dot directory in FreeBSD???||4||88|
|need to remove or skip grub protection password in ubuntu on boot time||2||78|