sshd_config では X11Forwarding yes なのに SSH で X11 forwarding request failed on channel x な時
sshd_config に下記を追加で解消
AddressFamily inet
sshd_config では X11Forwarding yes なのに SSH で X11 forwarding request failed on channel x な時
sshd_config に下記を追加で解消
AddressFamily inet