Re: [gentoo-user] New install - Wayland and graphical login

[Wols Lists <antlists@youngman.org.uk>]

On 26/06/21 00:51, Michael wrote:
> On Friday, 25 June 2021 20:15:22 BST antlists wrote:
>> On 25/06/2021 09:46, Michael wrote:
>>> On Friday, 25 June 2021 08:50:32 BST antlists wrote:
>>>> On 23/06/2021 10:11, jdm wrote:
>>>>> On Mon, 21 Jun 2021 16:17:41 +0100
>>>>>
>>>>> Michael <confabulate@kintzios.com> wrote:
>>>>>> On Monday, 21 June 2021 17:27:31 BST Wols Lists wrote:
>>>>>>> What happens when you get to the end of the handbook?
>>>>>>>
>>>>>>> I want to get a working Wayland setup with a (multi-user) graphical
>>>>>>> login. When I set my old system up ($DEITY knows how long ago) I
>>>>>>> seem to remember a page on setting up X, and all sorts of stuff.
>>>>>>>
>>>>>>> Now, you seem to get dumped at working tty1 prompt, and then the
>>>>>>> *helpful* documentation JUST STOPS. It doesn't even point you at
>>>>>>> anything! (Yes it points you at the portage page about how to
>>>>>>> maintain your system, but that isn't much use if you can't DO
>>>>>>> anything with the system...)
>>>>>>>
>>>>>>> I've found the page on Wayland, but it just says "set this use flag
>>>>>>> and install two packages".
>>>>>>>
>>>>>>> Where's the documentation that tells me what I need, and how to set
>>>>>>> it up, please ...
>>>>>>>
>>>>>>> Cheers,
>>>>>>> Wol
>>>>>>
>>>>>> Have you tried using a Display Manager?  Some of my systems won't
>>>>>> work with Wayland, but I haven't spent time to find out why all I get
>>>>>> with them is a black screen.
>>>>>>
>>>>>> Anyway, from a VT you'd run something like:
>>>>>>
>>>>>> XDG_SESSION_TYPE=wayland dbus-run-session startplasma-wayland
>>>>>>
>>>>>> or
>>>>>>
>>>>>> XDG_SESSION_TYPE=wayland dbus-run-session gnome-session
>>>>>
>>>>> There is a wayland greeter which uses greetd and gtkgreet which may
>>>>> be worth looking at and there is a gentoo wiki which goes a long with
>>>>> it. It works with wayfire which is a nice wayland window manager and is
>>>>> very reliable.
>>>>>
>>>>> Also look at https://wiki.gentoo.org/wiki/Wayland_Desktop_Landscape
>>>>
>>>> Thanks, but I'm none the wiser ... the thing is, for X the instructions
>>>> are simple - "install xorg, run startx".
>>>>
>>>> Okay, I've done that and got errors I need to solve, but with Wayland I
>>>> just don't have a clue. I don't know what I need, I don't know how to
>>>> start it, all I've got is a pile of bits in a box, and I don't know what
>>>> to do with them.
>>>>
>>>> Everything I find is like a meccano set - there's loads of bits and
>>>> pieces, but no instructions, and I don't have a clue how they fit
>>>> together. Where's the recipe that says "do this this and this and you
>>>> should have a gui"?
>>>>
>>>> Cheers,
>>>> Wol
>>>>
>>>  From what I recall as long as you set USE="wayland" globally and
>>>  re-emerge
>>>
>>> world with '--changed-use' you should able to launch your dekstop in
>>> wayland, rather than Xserver.
>>>
>>> https://wiki.gentoo.org/wiki/Wayland
>>>
>>> There is a caveat, to make things simple: your desktop environment should
>>> have full support for wayland compositing - e.g. Plasma and Gnome come
>>> ready baked with their own compositor and will run in Wayland.  Window
>>> managers which do not possess a compositor will require one installed
>>> separately, as noted in jdm's post, but then we're getting into a box
>>> with a pile of bits in it.
>>>
>>> To launch wayland you can either install a Display Manager and select to
>>> start wayland from its GUI options, instead of X11, or you can run the
>>> stanzas I provided above.
>>
>> Bear in mind my profile is desktop/plasma/systemd ...
>>
>> This is very informative, but it blows up on me ... I've checked that
>> wayland is in my use flags so that should all be okay ...
>>
>> # XDG_SESSION_TYPE=wayland dbus-run-session startplasma-wayland
>> ... startplasma-wayland not found ...
>>
>> # emerge qtgreet
>> emerge: there are no ebuilds to satisfy "qtgreet".
>>
>> So you've massively helped in that I now know much better how things fit
>> together, but unfortunately you've also been no help at all in that the
>> stuff you've pointed at doesn't work ...
>>
>> Where do I go from here ...
>>
>> Cheers,
>> Wol
> 
> I don't think systemd is different (although I don't use it with Gentoo), 
> unless you want to launch a Display Manager like e.g. sddm.

Looking at sddm, it appears to require X? I might well have to play with
that, given that I want a multi-user system (indeed, multi-head) system,
but that can wait ...
> 
> Given your error, you appear to not have installed the requisite packages for 
> the Plasma/KDE.  It should have been installed as a dependency of plasma-
> workspace:

Ah. Another piece of missing information ... I'll try that. I would have
thought that would have been pulled in seeing as I've got wayland and qt
use flags etc
> 
> $ qfile startplasma-wayland
> kde-plasma/plasma-workspace: /usr/bin/startplasma-wayland
> 
> If you have Gnome already installed then you can use the stanza for gnome-
> session instead. 
> 
My use flags also contain -gtk -gnome ... gnome at least is on my list
of pet hates ...

Cheers,
Wol