You got your plan mapped out. and i agree, except for one little detail: see below. -
Am 19.04.2023 um 22:06 schrieb Default User: >> I think, it is the case when reboot is safer. Open file descriptors >> remain on the original partition. However I do not expect that single >> user mode or booting from live image is required. Just restore >> original >> /etc/fstab and reboot. >> >> Perhaps update-initramfs is necessary after restoring of /etc/fstab >> in >> any chosen approach. >> >> > > > Well, now I am totally confused. > > I had hoped for, and really expected, an easy, obvious, intuitive > solution. But I guess that may be a distant memory of the good old > days, before [insert string of four-letter words here] like dbus, > systemd, and Gnome 3. And when partitions were named /dev/hda5, not > 6a105a72-f5d5-441b-b926-1e405151ee84. > > Sigh. > > Anyway, here is where I am at: > > I have two Clonezilla backups. > 1) a full disk backup. > 2) a "partitions" backup. > So, if things really go bad, I can theoretically revert to the setup as > of 2023-04-18, when this thread was started. > > I also have a backup of the current /tmp directory (from under the / > directory). > And I have a backup of the old tmp partition. > > Both of these tmp backups were made using a Debian Stable 11.6 > Live/install usb thumb drive, as root user. > > All of these backups are on an external usb hdd. > > Here is what was in the (root) tmp directory: > > _root_partition/tmp > total 32K > 88473604 drwxr-xr-t 8 [user] [user] 4.0K Apr 19 14:18 ./ > 88473602 drwxr-xr-x 3 [user] [user] 4.0K Apr 19 14:18 ../ > 88473608 drwxr-xr-t 2 [user] [user] 4.0K Apr 19 14:18 .font-unix/ > 88473606 drwxr-xr-t 2 [user] [user] 4.0K Apr 19 14:18 .ICE-unix/ > 88473609 drwxr-xr-t 2 [user] [user] 4.0K Apr 19 14:18 .Test-unix/ > 88473610 drwx------ 2 [user] [user] 4.0K Apr 19 14:18 tracker-extract- > files.116/ > 88473605 drwxr-xr-t 2 [user] [user] 4.0K Apr 19 14:18 .X11-unix/ > 88473607 drwxr-xr-t 2 [user] [user] 4.0K Apr 19 14:18 .XIM-unix/ > > And here is what was in the old tmp partition: > > total 48K > 88473611 drwxr-xr-t 10 root root 4.0K Apr 19 14:20 ./ > 88473603 drwxr-xr-x 3 [user] [user] 4.0K Apr 19 14:20 ../ > 88473618 drwxr-xr-t 2 root root 4.0K Apr 19 14:20 .font-unix/ > 88473615 drwxr-xr-t 2 root root 4.0K Apr 19 14:20 .ICE-unix/ > 88473620 drwx------ 2 root root 4.0K Apr 19 14:20 lost+found/ > 88473619 drwxr-xr-t 2 root root 4.0K Apr 19 14:20 .Test-unix/ > 88473624 drwx------ 2 root root 4.0K Apr 19 14:20 tracker- > extract-files.1000/ > 88473623 drwx------ 2 root root 4.0K Apr 19 14:20 tracker- > extract-files.116/ > 88473621 -r--r--r-- 1 root root 11 Apr 19 14:20 .X1024-lock > 88473622 -r--r--r-- 1 root root 11 Apr 19 14:20 .X1025-lock > 88473612 drwxr-xr-t 2 root root 4.0K Apr 19 14:20 .X11-unix/ > 88473617 drwxr-xr-t 2 root root 4.0K Apr 19 14:20 .XIM-unix/ > > As far as I can tell, there is nothing crucial in either tmp backup. > > BTW, I know nothing about bind or mount --bind. I looked them up > briefly, and decided that they are too difficult and maybe dangerous to > try to learn and use under the current circumstances. > > So here is what I am thinking of doing: > > While running from within the Debian Stable 11.6 Live/install usb thumb > drive, as root user: > > 1) On the computer's internal ssd, delete the /tmp directory and its > contents. Do NOT delete the directory itself, only its content, as it will be used as the mountpoint for your /tmp drive. > > 2) On the computer's internal ssd, delete the contents of the old tmp > partition, but not the partition itself. > > 3) On the computer's internal ssd, replace /etc/fstab with > /etc/fstab.original, renaming it /etc/fstab. I have already made a copy > of the current /etc/fstab as /etc/fstab.as-of-2023-04-19. > > The UUIDs of all partitions on computer's internal ssd seem to be the > same as in /etc/fstab.original. > > (Note: in /etc/fstab.original, it states "Please run 'systemctl daemon- > reload' after making changes here." Since I am doing all this from a > live usb, I do not think that applies, so I would skip that.) > > Then I would shut down, remove the usb thumb drive, and boot into the > Debian system on the computer's internal ssd. > > I hope that from then on, the system would mount the old tmp partition > on the computer's internal ssd as /tmp, re-populating it automatically, > and use it as such from then on. > > Does that seem reasonable? > > Or am I missing something, obvious or not. Please report your success, will you?