<!DOCTYPE html><html><head><title></title><style type="text/css">p.MsoNormal,p.MsoNoSpacing{margin:0}</style></head><body><div style="font-family:Arial;"><div style="font-family:Arial;">Hi Chris<br></div><div style="font-family:Arial;"><br></div><div style="font-family:Arial;">thanks for your time.<br></div><div style="font-family:Arial;"><br></div><div style="font-family:Arial;">The laptop on which I have been using Ubuntu, since around 2013 (and the laptop is older than that) is a Lenovo T400. It has working USB ports.<br></div><div style="font-family:Arial;"><br></div><div style="font-family:Arial;">The version of Ubuntu that I am trying to install is the version for desktop PCs and laptops.<br></div><div style="font-family:Arial;"><br></div><div style="font-family:Arial;">You reckon it could well be to do with using optical media.<br></div><div style="font-family:Arial;">It sounds like you're suggesting installation from USB or from putting the ISO file into a partition.<br></div><div style="font-family:Arial;">Can you recommend any sites or webpages that explain simply how to install by putting the ISO file onto a USB stick, or how to create a partition and get the ISO file into it and then run the installation?<br></div><div style="font-family:Arial;"><br></div><div style="font-family:Arial;">Should the USB ports show up as an option when I hit F12 at startup, the way the optical drive does?<br></div></div><div style="font-family:Arial;"><br></div><div style="font-family:Arial;">D'you reckon there's a good chance that the wireless problem will be gone if I were to do the online upgrade from 20.04 to 22.04? And is that as good as doing a clean install of 22.04?<br></div><div style="font-family:Arial;"><br></div><div style="font-family:Arial;">Thank you<br></div><div style="font-family:Arial;"><br></div><div style="font-family:Arial;">Dave<br></div><div style="font-family:Arial;"><br></div><div style="font-family:Arial;">On Sat, Jul 2, 2022, at 12:03 PM, Chris Guiver wrote:<br></div><div style="font-family:Arial;">> G'day<br></div><div style="font-family:Arial;">><br></div><div style="font-family:Arial;">> I'm involved with QA & in particular a flavor, if my background is helpful.<br></div><div style="font-family:Arial;">><br></div><div style="font-family:Arial;">> You mention old hardware; I've used devices from 2003 and upwards in<br></div><div style="font-family:Arial;">> the QA; though i386 devices were not used beyond 19.04 except for<br></div><div style="font-family:Arial;">> respins of 18.04 (eg. 18.04.4 & 18.04.5)<br></div><div style="font-family:Arial;">><br></div><div style="font-family:Arial;">>> Last week I decided to move up from 18.04 and tried the online Upgrade option for the first time (instead of a clean install from a live disk). The upgrade to 20.04 LTS completed, but I had no internet connection. I googled this and saw info about something called Netplan<br></div><div style="font-family:Arial;">><br></div><div style="font-family:Arial;">> You didn't say if you're talking about a desktop system<br></div><div style="font-family:Arial;">> (NetworkManager) or server system (Netplan). The mention of netplan<br></div><div style="font-family:Arial;">> implies you're asking about a server system? but it could also be your<br></div><div style="font-family:Arial;">> misunderstanding. Desktop systems use NetworkManager still; but it's<br></div><div style="font-family:Arial;">> best if you're specific & readers aren't having to guess.<br></div><div style="font-family:Arial;">><br></div><div style="font-family:Arial;">>> So yesterday I burnt the 22.04 LTS ISO onto a brand-new rewritable DVD and tried to do a clean install, held down F12 at start up, chose the optical drive, selected “Try or Install Ubuntu”<br></div><div style="font-family:Arial;">><br></div><div style="font-family:Arial;">> Here we get to potential problems... Changes were made starting with<br></div><div style="font-family:Arial;">> 20.10 that can have negative consequences for those using optical<br></div><div style="font-family:Arial;">> media (eg. DVD). The optical media is designed for sequential<br></div><div style="font-family:Arial;">> reading, but the media verification reads files on a file-by-file type<br></div><div style="font-family:Arial;">> basis, and timeouts can occur with optical drives which can can<br></div><div style="font-family:Arial;">> problems (failed to start issues; particularly with snap..) etc.<br></div><div style="font-family:Arial;">> Reboot & re-try, and it may work the next time, as beyond being very<br></div><div style="font-family:Arial;">> slow, it's somewhat problematic as it's hardware timeouts that cause<br></div><div style="font-family:Arial;">> the issue/failures.<br></div><div style="font-family:Arial;">><br></div><div style="font-family:Arial;">> In my QA testing, I used some really old IBM Thinkpads that didn't<br></div><div style="font-family:Arial;">> have working (bootable) USB ports; thus I'd download/write the ISO to<br></div><div style="font-family:Arial;">> a drive partition, and use that instead of USB media (installing to<br></div><div style="font-family:Arial;">> another part of the disk for example). Yes the laptops actually had<br></div><div style="font-family:Arial;">> DVD drives; but it was far easier/faster/reliable to use hard-drive<br></div><div style="font-family:Arial;">> over optical media. You might want to consider that instead of optical<br></div><div style="font-family:Arial;">> media (I would and did!)<br></div><div style="font-family:Arial;">><br></div><div style="font-family:Arial;">> There is a bug report that will mitigate some of the issues with<br></div><div style="font-family:Arial;">> optical/slow media but it's not yet available for 22.04 (it maybe<br></div><div style="font-family:Arial;">> available using 22.04.1 media but unclear yet; that's still a month<br></div><div style="font-family:Arial;">> away). But I'm warning you'll have complications with optical media as<br></div><div style="font-family:Arial;">> it's not the intended installation media for Ubuntu releases beyond<br></div><div style="font-family:Arial;">> 20.04.<br></div><div style="font-family:Arial;">><br></div><div style="font-family:Arial;">> Some effort is made to ensure it works (why the bug I mentioned exists<br></div><div style="font-family:Arial;">> & is being tracked or 22.04.1), but it's not high priority as almost<br></div><div style="font-family:Arial;">> no users use optical media & development resources are limited.<br></div><div style="font-family:Arial;">><br></div><div style="font-family:Arial;">> You gave no details as to what hardware stack you were using for each<br></div><div style="font-family:Arial;">> release; as Ubuntu 20.04 LTS if using a GA kernel stack uses 5.4 which<br></div><div style="font-family:Arial;">> differs greatly to 22.04 (5.15), but if using 20.04 with HWE you'll be<br></div><div style="font-family:Arial;">> using either 5.13 (20.04.4) or 5.15 (20.04.5 that's rolling out ~now<br></div><div style="font-family:Arial;">> so if fully upgraded you maybe using 22.04's kernel stack already on<br></div><div style="font-family:Arial;">> 20.04). You may find using alternate kernel stack (easy) helps, though<br></div><div style="font-family:Arial;">> as 22.04 is still ~young, both GA & HWE are on the same stack so no<br></div><div style="font-family:Arial;">> choices there exist yet.<br></div><div style="font-family:Arial;">><br></div><div style="font-family:Arial;">> On older devices in QA; I found the kernel stacks made a big<br></div><div style="font-family:Arial;">> difference; and as both stacks can co-exist on the same device (unless<br></div><div style="font-family:Arial;">> certain closed-source kernel modules are being used; aka video<br></div><div style="font-family:Arial;">> drivers) they were an easy fix for some users who had issues & sought<br></div><div style="font-family:Arial;">> support (eg. 18.04 with HWE uses the same kernel stack as found with<br></div><div style="font-family:Arial;">> 20.04 using the GA stack.. thus if it works with 18.04+HWE, I'd expect<br></div><div style="font-family:Arial;">> no issues with 20.04+GA)<br></div><div style="font-family:Arial;">><br></div><div style="font-family:Arial;">> Installations using optical media are for sure possible; they just<br></div><div style="font-family:Arial;">> aren't easy & multiple attempts maybe required before it works; at<br></div><div style="font-family:Arial;">> least that's what was found in QA; also they're very slow (esp. beyond<br></div><div style="font-family:Arial;">> 20.10 as already stated). I suggest avoiding using optical media for<br></div><div style="font-family:Arial;">> installs if you can.<br></div><div style="font-family:Arial;">><br></div><div style="font-family:Arial;">> Chris g.<br></div></body></html>