Turtlebot3 Waffle Nuc X11 Remote Display 20240825
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Reference
Log
On Sisters
wayland eepp@sisters:~$ sudo emacs /etc/gdm3/custom.conf & [1] 3319 eepp@sisters:~$ cd /etc/gdm3 [1]+ Stopped sudo emacs /etc/gdm3/custom.conf (wd: ~) (wd now: /etc/gdm3) eepp@sisters:/etc/gdm3$ cp custom.conf custom.conf.org cp: cannot create regular file 'custom.conf.org': Permission denied eepp@sisters:/etc/gdm3$ sudo cp custom.conf custom.conf.org [sudo] password for eepp: eepp@sisters:/etc/gdm3$ sudo emacs /etc/gdm3/custom.conf & [2] 3440 eepp@sisters:/etc/gdm3$ diff custom.conf.org custom.conf 7c7 < #WaylandEnable=false --- > WaylandEnable=false [2]- Done sudo emacs /etc/gdm3/custom.conf
On Adams
eepp@sisters:~$ ssh -X eepp@10.0.0.222 eepp@10.0.0.222's password: Welcome to Ubuntu 22.04.4 LTS (GNU/Linux 6.8.0-40-generic x86_64) * Documentation: https://help.ubuntu.com eepp@adams:ssh$ pwd /etc/ssh eepp@adams:ssh$ ls moduli sshd_config ssh_host_ed25519_key.pub '#ssh_config#' sshd_config.d ssh_host_rsa_key ssh_config ssh_host_ecdsa_key ssh_host_rsa_key.pub ssh_config.d ssh_host_ecdsa_key.pub ssh_import_id ssh_config.org ssh_host_ed25519_key eepp@adams:ssh$ sudo cp sshd_config sshd_config.org eepp@adams:ssh$ sudo emacs sshd_config X11 connection rejected because of wrong authentication. Display localhost:10.0 unavailable, simulating -nw eepp@adams:ssh$ eepp@adams:ssh$ eepp@adams:ssh$ eepp@adams:ssh$ eepp@adams:ssh$ eepp@adams:ssh$ diff sshd_config.org sshd_config 91,92c91,92 < #X11DisplayOffset 10 < #X11UseLocalhost yes --- > X11DisplayOffset 10 > X11UseLocalhost no eepp@adams:ssh$ eepp@adams:ssh$ eepp@adams:ssh$ sudo systemctl restart sshd
Test
epp@sisters:~$ DISPLAY=:1 ssh -X n5 ssh: Could not resolve hostname n5: Temporary failure in name resolution
failed
try
eepp@sisters:~$ DISPLAY=:1 ssh -X n5 ssh: Could not resolve hostname n5: Temporary failure in name resolution eepp@sisters:~$ DISPLAY=:1 ssh -X 10.0.0.222 eepp@10.0.0.222's password: Welcome to Ubuntu 22.04.4 LTS (GNU/Linux 6.8.0-40-generic x86_64) * Documentation: https://help.ubuntu.com * Management: https://landscape.canonical.com * Support: https://ubuntu.com/pro Expanded Security Maintenance for Applications is not enabled. 12 updates can be applied immediately. 5 of these updates are standard security updates. To see these additional updates run: apt list --upgradable 35 additional security updates can be applied with ESM Apps. Learn more about enabling ESM Apps service at https://ubuntu.com/esm Last login: Mon Aug 26 10:27:39 2024 from 10.0.0.159 -bash: //: Is a directory -bash: //: Is a directory eepp@adams:~$
