How will we know that the ubuntu-server image for the Raspberry Pi 4 platform has been refreshed? It is not apparent from the naming convention. Is there a simple way to determine if the image was refreshed after November 1, 2019 since the earlier image does not boot completely on a RPi4 4GB board? I understand that there is a workaround (by limiting the memory allocation) and Hui Wang has provided a fix for slipstreaming.

When will a revised image be published (if not done so already)? Thanks.

Fully certified "newbie" on the subject and therefore if someone would be kind enough to indulge a little bit, I would appreciate it sincerely.

  • Usually I tell an ISO from the date found in /etc/apt/sources.list (easiest post-install/expansion, if compressed I'd peek in /.disk/info for the date of ISO). Otherwise I look at MD5sum/checksum comparing it to the latest (beyond date of file; which I don't change). This applies to ISO files, I don't have any recent r.pi images to check they are identical.
    – guiverc
    Nov 7, 2019 at 2:42
  • Yes, it is very difficult to have a naming convention for the image. And, also expect to have history of checksum values posted? Nov 20, 2019 at 1:40
  • I'm not sure what you're asking in last comment, but main (official) releases are always published with a text file containing checksums; these remain available back to 4.10 (2004-October release). Flavors or 'community' based releases aren't as easy to find (less consistent), and 'daily' images are not kept once re-spun (note: 'daily' refers even if ISO is not created daily [eg. weekly]). All architectures are treated equal so format same be it pi/sbc through pc (x86_64) or mainframe (s390).
    – guiverc
    Nov 20, 2019 at 2:08
  • The original question was for a specific "official" image. My apologies for being cryptic. Also, don't want to sound like a jerk but the checksum for the specific family of images uses SHA256 and there is only value posted so far. Nov 20, 2019 at 2:25


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