Any Pro Tips for zypper dup?

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People doing this will most probably have logged out of all GUI sessions before doing this. Thus no GUI running and thus no GUI crashing.

It could even be that the first thing they did from the virtual console is

systemctl isolate multi-user.target

so that there is even no Display Manager running.

All under the motto: the less is running, the less change that anything crashes.

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It’s just easy to do: tail -f
even in a somewhat crippled session. And it allows me to see when the update has completed.

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The safest way is running the command as a service in the system slice:

karl@3400g:~> systemd-run zypper --non-interactive dist-upgrade --download-only --dry-run 
Running as unit: run-u1751.service; invocation ID: b2d4451d098e46cdb593c3b47547555e
karl@3400g:~>

Journal tells everything:

karl@3400g:~> journalctl --unit run-u1751.service --no-pager 
Jun 29 10:19:17 3400g systemd[1]: Started /usr/bin/zypper --non-interactive dist-upgrade --download-only --dry-run.
Jun 29 10:19:17 3400g zypper[184436]: Loading repository data...
Jun 29 10:19:17 3400g zypper[184436]: Reading installed packages...
Jun 29 10:19:18 3400g zypper[184436]: Warning: You are about to do a distribution upgrade with all enabled repositories. Make sure these repositories are compatible before you continue. See 'man zypper' for more information about this command.
Jun 29 10:19:18 3400g zypper[184436]: Computing distribution upgrade...
Jun 29 10:19:18 3400g zypper[184436]: The following 9 packages are going to be upgraded:
Jun 29 10:19:18 3400g zypper[184436]:   libvdpau_r600 libvdpau_radeonsi libvulkan_intel libvulkan_radeon Mesa-dri Mesa-gallium Mesa-libva Mesa-vulkan-device-select obs-studio
Jun 29 10:19:18 3400g zypper[184436]: 9 packages to upgrade.
Jun 29 10:19:18 3400g zypper[184436]: Overall download size: 0 B. Already cached: 124.1 MiB. Download only.
Jun 29 10:19:18 3400g zypper[184436]: Backend:  classic_rpmtrans --dry-run --download-only
Jun 29 10:19:18 3400g zypper[184436]: Continue? [y/n/v/...? shows all options] (y): y
Jun 29 10:19:18 3400g zypper[184436]: In cache obs-studio-29.1.3-1699.3.pm.18.x86_64.rpm (1/9),  84.3 MiB
Jun 29 10:19:18 3400g zypper[184436]: In cache Mesa-gallium-24.1.2-1699.385.pm.3.x86_64.rpm (2/9),  11.4 MiB
Jun 29 10:19:18 3400g zypper[184436]: In cache Mesa-libva-24.1.2-1699.385.pm.3.x86_64.rpm (3/9),   4.1 MiB
Jun 29 10:19:18 3400g zypper[184436]: In cache Mesa-dri-24.1.2-1699.385.pm.3.x86_64.rpm (4/9),   8.9 MiB
Jun 29 10:19:18 3400g zypper[184436]: In cache libvdpau_radeonsi-24.1.2-1699.385.pm.3.x86_64.rpm (5/9),   3.8 MiB
Jun 29 10:19:18 3400g zypper[184436]: In cache libvdpau_r600-24.1.2-1699.385.pm.3.x86_64.rpm (6/9),   3.8 MiB
Jun 29 10:19:18 3400g zypper[184436]: In cache Mesa-vulkan-device-select-24.1.2-1699.385.pm.3.x86_64.rpm (7/9),  73.7 KiB
Jun 29 10:19:18 3400g zypper[184436]: In cache libvulkan_radeon-24.1.2-1699.385.pm.3.x86_64.rpm (8/9),   2.5 MiB
Jun 29 10:19:18 3400g zypper[184436]: In cache libvulkan_intel-24.1.2-1699.385.pm.3.x86_64.rpm (9/9),   5.4 MiB
Jun 29 10:19:19 3400g zypper[184436]: Checking for file conflicts: [...done]
Jun 29 10:19:19 3400g systemd[1]: run-u1751.service: Deactivated successfully.
Jun 29 10:19:19 3400g systemd[1]: run-u1751.service: Consumed 1.716s CPU time.
karl@3400g:~>

There is absolutely no point in using screen, tmux or others, in my opinion of course.

Users may want to tweak their systems:

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