Ubuntu: Fixes for GNOME related issues.

ubuntu_setup.md

Ubuntu 22.04: Fixes for GNOME related issues.

Settings dialog disappeared

https://stackoverflow.com/questions/74985183/settings-menu-missing-ubuntu-22-04

$ sudo apt install gnome-control-center

And re-login.

Could not open any dialogs

https://askubuntu.com/questions/1438476/ubuntu-22-04-save-as-dialog-box-not-showing

$ sudo apt install xdg-desktop-portal xdg-desktop-portal-gtk

Unattended update

/etc/apt/apt.conf.d/51unattended-upgrades:

Unattended-Upgrade::Allowed-Origins {
        "${distro_id}:${distro_codename}-updates";
        "${distro_id}:${distro_codename}-proposed";
        "${distro_id}:${distro_codename}-backports";
};

Unattended-Upgrade::Automatic-Reboot "true";
Unattended-Upgrade::Automatic-Reboot-Time "02:00";

Ubuntu 24.04

Crash and will not raise GDM

https://askubuntu.com/questions/1515996/gdmsession-no-session-desktop-files-installed-after-rebooting

$ sudo apt install ubuntu-desktop -y

Verify resurrect contents:

$ ls -l /usr/share/xsessions
$ ls -l /usr/share/wayland-sessions

Serial

sudo apt remove brltty
sudo udevadm control --reload
sudo vi /lib/udev/rules.d/50-udev-default.rules

>> KERNEL=="tty[A-Z]*[0-9]|ttymxc[0-9]*|pppox[0-9]*|ircomm[0-9]*|noz[0-9]*|rfcomm[0-9]*", GROUP="dialout"
<< KERNEL=="tty[A-Z]*[0-9]|ttymxc[0-9]*|pppox[0-9]*|ircomm[0-9]*|noz[0-9]*|rfcomm[0-9]*", GROUP="dialout", MODE="0666"