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Block domain name postfix

Update postfix config: vi /etc/postfix/main.cf smtpd_sender_restrictions = hash:/etc/postfix/access reject_unauth_destination = hash:/etc/postfix/access Create block file: vi /etc/postfix/access mediatransport.com REJECT Execute: postmap hash:/etc/postfix/access service postfix restart

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Ubuntu Remote Desktop

Using the default VNC to remote desktop the machine from the command line export DISPLAY=:0 gsettings set org.gnome.Vino enabled true gsettings set org.gnome.Vino prompt-enabled false […]