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sudo apt update -- says

Reading package lists... Done
Building dependency tree... Done
Reading state information... Done
2 packages can be upgraded. Run 'apt list --upgradable' to see them.

but sudo apt upgrade showed

$ sudo apt upgrade
Reading package lists... Done
Building dependency tree... Done
Reading state information... Done
Calculating upgrade... Done
The following packages have been kept back:
  grub-efi-amd64-bin grub-efi-amd64-signed
0 upgraded, 0 newly installed, 0 to remove and 2 not upgraded.

Why 2 of them were not upgraded and the following packages were kept back ?

DIVYANSHU
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    This is likely phased updates at work: https://askubuntu.com/a/1421130/158442 – muru Dec 15 '22 at 04:34
  • You mention only running apt upgrade, which has various conditions where it cannot apply upgrades as it'll require removal of packages; allowing you to decide when you upgrade those using apt full-upgrade which you don't mention trying. Did you try it? (use man apt to read the conditions where apt upgrade will not upgrade packages & apt full-upgrade is required if you're not familiar with it) – guiverc Dec 15 '22 at 07:53
  • Please include output of apt policy grub-efi-amd64-bin in your question. – Artur Meinild Dec 15 '22 at 09:46
  • sudo apt upgrade grub-efi-amd64-bin please also. – nobody Dec 15 '22 at 14:42
  • Thank you for apt full-upgrade – DIVYANSHU Dec 15 '22 at 21:16
  • full-upgrade also shows the same. I think 2 updates might be kept back for some reason, although unknown to me. – DIVYANSHU Dec 15 '22 at 21:45
  • 'sudo apt full-upgrade' ' Reading package lists... Done' 'Building dependency tree... Done' 'Reading state information... Done' 'Calculating upgrade... Done' 'The following packages have been kept back:' ' grub-efi-amd64-bin grub-efi-amd64-signed' ' 0 upgraded, 0 newly installed, 0 to remove and 2 not upgraded.' – DIVYANSHU Dec 15 '22 at 21:45
  • And what do you get when you run the command suggested by the output: apt list --upgradable? – janos Dec 16 '22 at 04:11
  • @DIVYANSHU Did you hear about phased updates? View the answer I have posted. This is almost definately phased updates. At first I thought this was a problem but it's just phased updates and you'll get the updates in a few days to a week. Accept my answer if it helped. – AlexFullinator Dec 16 '22 at 15:44

1 Answers1

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This is most likely because Ubuntu 22.04 is trying out "phased updates," which means you won't actually get to update them instantly. Instead, it gives the upates to machines in "phases," which means you'll get your update in a few days. Just wait it out.

AlexFullinator
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  • When I run apt policy grub-efi-amd64-bin I don't get any info that it is phased updates - what does this say for you? – Artur Meinild Dec 15 '22 at 16:31
  • Wait, or run sudo aptitude safe-upgrade – jasmines Dec 15 '22 at 16:37
  • @ArturMeinild I have never experienced the OS telling me anywhere about the phased updates, but I know they are a thing because I've read about it and also experienced them. The updates will come in a day or two. – AlexFullinator Dec 16 '22 at 15:42