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release-management
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URL:
https://askubuntu.com/q/1035893
Title:
Can I do a Silent or Unattended Release Upgrade?
ID:
/2018/05/14/Can-I-do-a-Silent-or-Unattended-Release-Upgrade_
Created:
May 14, 2018
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November 23, 2025
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To confirm what Thomas Ward states in his answer and contradict the accepted answer, do-release-upgrade -d -f DistUpgradeViewNonInteractive DOES NOT WORK.
In fact at the very first prompt it broke my 16.04 to 18.04 test partition broken and I had to reclone it. This is where the script freezes:
Setting up mount (2.31.1-0.4ubuntu3) ...
Setting up systemd (237-3ubuntu10) ...
Installing new version of config file /etc/pam.d/systemd-user ...
Installing new version of config file /etc/systemd/journald.conf ...
Configuration file '/etc/systemd/logind.conf'
==> Modified (by you or by a script) since installation.
==> Package distributor has shipped an updated version.
What would you like to do about it ? Your options are:
Y or I : install the package maintainer's version
N or O : keep your currently-installed version
D : show the differences between the versions
Z : start a shell to examine the situation
The default action is to keep your current version.
*** logind.conf (Y/I/N/O/D/Z) [default=N] ? y
Y
CRASHED... NOTHING HAPPENS NOW... WILL KILL AND RESTART WITHOUT -f OPTION...
Due to Input Inhibitors neither reboot nor shutdown will work after killing the script. You have to do a cold shutdown (hold power button ~ 10 seconds).
Thank goodness this was a 16.04 clone upgrade and not on the real 16.04 partition.
To make life even more interesting a new 898 MB partition was added to my NVMe SSD and my regular partitions shifted:
$ lsdrv
NAME FSTYPE LABEL MOUNTPOINT SIZE MODEL
nvme0n1 477G Samsung SSD 960 PRO 512G
├─nvme0n1p5 ntfs 858M
├─nvme0n1p3 16M
├─nvme0n1p1 ntfs 450M
├─nvme0n1p8 ntfs Shared_WSL+Linux /mnt/e 9G
├─nvme0n1p6 ext4 Ubuntu18.04 23.7G
├─nvme0n1p4 ntfs NVMe_Win10 /mnt/c 390.4G
├─nvme0n1p2 vfat /boot/efi 99M
├─nvme0n1p9 swap Linux Swap [SWAP] 7.9G
└─nvme0n1p7 ext4 NVMe_Ubuntu_16.0 / 44.6G
nvme0n1p5used to be where my Ubuntu 16.04 partition resided but now it is onnvme0n1p7nvme0n1p8used to be where my 18.04 test partition resided but now it is onnvme0n1p8
NOTE: I also upgraded Windows 10 from Build 1709 to Build 1803 this afternoon so it is possible that it created the new 898 MB nvme0n1p5 partition in ntfs format.