[plasmashell] [Bug 481912] Feature request: Wayland remote login sessions with Plasma, like xrdp

2024-02-27 Thread Matthias K.
https://bugs.kde.org/show_bug.cgi?id=481912

Matthias K.  changed:

   What|Removed |Added

 CC||matth...@tenstral.net

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[plasmashell] [Bug 481912] New: Feature request: Wayland remote login sessions with Plasma, like xrdp

2024-02-27 Thread Matthias K.
https://bugs.kde.org/show_bug.cgi?id=481912

Bug ID: 481912
   Summary: Feature request: Wayland remote login sessions with
Plasma, like xrdp
Classification: Plasma
   Product: plasmashell
   Version: master
  Platform: Other
OS: Linux
Status: REPORTED
  Severity: normal
  Priority: NOR
 Component: Session Management
  Assignee: plasma-b...@kde.org
  Reporter: matth...@tenstral.net
  Target Milestone: 1.0

Hi everyone!
(I was asked to report the feature request here to keep track of it, since it
affects multiple desktop components under Wayland)

I work at a research lab where we have very powerful servers connected to large
data storage via a fast link. A lot of image processing as well as simulations
are run on these machines, and it is incredibly convenient as people can take a
working environment with them, and we also can share an expensive system
extremely efficiently among many scientists.

This is how it is set up currently:
1. The user ssh-tunnels into the server they want to connect to (RDP ports are
not exposed)
2. A RDP connection to xrdp[1] is created
3. xrdp-sesman[2], the session manager module of xrdp, creates a session for
the user after authenticating them
4. Plasma/X11 is started for that user session and renders to the remote
display, instead of an actual display

If a user disconnects, the session is kept running, and they get their session
back as soon as they log in again. To terminate a session, the user has to log
out explicitly.
We are also utilizing Apache Guacamole[3] to make this process even more
convenient so people can avoid installing any additional software and get
almost the same experience as if they were using e.g. Remmina[4] to connect
remotely.

Of course, this complete workflow will not work at all when Plasma is running
on Wayland, and XRDP, as the name suggests, is very X.org-specific (it is a
fantastic tool though and serves us well).
In the long run it would be great if we could switch to Wayland and keep using
Plasma (surprisingly, if stripped down just slightly Plasma is not much heavier
than light desktops, and users like to use the desktop's tools, e.g. the
Dolphin filemanager).

GNOME has a remote login in the works that looks similar to what XRDP provides
and works on Wayland[5], but it would be fantastic if KDE could provide a
similar feature.
Having any XDG portals or interactivity will not work - as soon as the user is
authenticated, they should get a session noninteractively and there should not
be a need to stay logged in for the session to continue to exist (the servers
are headless, and if needed, the admin can always set session resource limits
for users via logind).

A feature like this could for example be implemented by having a system service
that takes incoming RDP connections and uses SDDM to authenticate and spawn a
new Wayland session that can be interacted with using the transient seat
protocol. Or if SDDM is too heavy, some lightweight service to handle the
session authentication part.

In any case, this will require non-trivial work on a lot of components, and
there's likely multiple ways to implement this feature (and it wouldn't even
necessarily have to be RDP-based, but we found the protocol to be a bit more
efficient than VNC in testing).

Thanks to everyone for the phantastic work on Plasma!
Cheers,
Matthias

[1]: https://www.xrdp.org/
[2]: https://manpages.debian.org/testing/xrdp/xrdp-sesman.8.en.html
[3]: https://guacamole.apache.org/
[4]: https://remmina.org/
[5]: https://wiki.gnome.org/Initiatives/Wayland/Remoting#Remote_Login

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[Discover] [Bug 465897] Potential problem in passing AppData translations to appstream-data

2023-02-19 Thread Matthias K.
https://bugs.kde.org/show_bug.cgi?id=465897

--- Comment #8 from Matthias K.  ---
Ah, you are using Arch! Then this in likely an Arch Linux bug and they simply
need to regenerate their data. 
Looking at the data for Krita, I see:
```xml
  
Krita 是一款功能齐全的数字绘画工作室软件。
Krita 既适合起草,也适合上色细化。您可以轻松使用 Krita 从头到尾完成一副精美的画作。
Krita 是绘制概念美术、漫画、纹理和贴图接景的理想工具。它支持多种色彩空间,如 8 位、16 位整数以及 16 位、32 位浮点通道的
RGB 和 CMYK 颜色模型。
Krita 具有功能强大的笔刷引擎、种类繁多的滤镜以及便于操作的交互设计。您可以在 Krita 中高效自如地发挥创意。
  
  
Krita 是全功能的數位藝術工作室。
它是素描和繪畫的完美選擇,並提供了一個從零開始建立數位繪畫檔的端到端解決方案。
Krita 是創造概念藝術、漫畫、彩現紋理和場景繪畫的絕佳選擇。Krita 在 8 位元和 16 位元整數色版,以及 16 位元和 32
位元浮點色板中支援 RGB 和 CMYK 等多種色彩空間。
使用先進的筆刷引擎、驚人的濾鏡和許多方便的功能來開心地繪畫,讓 Krita 擁有巨大的生產力。
  
```

In the newest upload from 2023-01-15 of that package. Do you have that version?
Trabslations are ignored by appstream if less than three paragraphs are
translated, zh-* has more, so translations should show up.

The statistics stuff is an AppStream feature that lets projects expose how much
localization exists for any locale, so software centers can display a
2translated into your language" badge, so users can filter for apps that are
available in their language, and not just English ones.
But I'm not even sure if Discover supports that yet.

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[Discover] [Bug 465897] Potential problem in passing AppData translations to appstream-data

2023-02-19 Thread Matthias K.
https://bugs.kde.org/show_bug.cgi?id=465897

Matthias K.  changed:

   What|Removed |Added

 CC||matth...@tenstral.net

--- Comment #3 from Matthias K.  ---
What exactly is the issue here? Chinese *translations* of description text not
showing up, or translation *statistics* not showing up?

For the latter, looking at Krita's file @
https://invent.kde.org/graphics/krita/-/blob/master/krita/org.kde.krita.appdata.xml
it is simply missing a `translation` tag - that one is essential to read
translation statistics, so add one as described in
https://www.freedesktop.org/software/appstream/docs/chap-Metadata.html#tag-translation
and localization statistics should show up.

As for Chinese translations, I do see them in
https://appstream.debian.org/sid/main/metainfo/krita.html, so they are shipped
to clients, and I can also dump that data with libappstream, so it should be
available - I don't know however if Chinese characters are properly tokenized
for fulltext search (which should not affect display though). I didn't set my
locale to Chinese, but as far as I can see from some quick tests, this should
be working...

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[Discover] [Bug 462186] Discover shows packages from disabled pacman repos, but download button is stuck on "Loading..."

2022-12-01 Thread Matthias K.
https://bugs.kde.org/show_bug.cgi?id=462186

--- Comment #3 from Matthias K.  ---
This issue might be the same as
https://github.com/PackageKit/PackageKit/issues/573

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[Discover] [Bug 462186] Discover shows packages from disabled pacman repos, but download button is stuck on "Loading..."

2022-11-30 Thread Matthias K.
https://bugs.kde.org/show_bug.cgi?id=462186

Matthias K.  changed:

   What|Removed |Added

 CC||matth...@tenstral.net

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[Discover] [Bug 393012] command-line flag to temporarily prefer AppStream data from /usr/share/metainfo

2018-04-11 Thread Matthias K .
https://bugs.kde.org/show_bug.cgi?id=393012

Matthias K. <matth...@tenstral.net> changed:

   What|Removed |Added

 Resolution|--- |FIXED
 CC||matth...@tenstral.net
 Status|UNCONFIRMED |RESOLVED

--- Comment #1 from Matthias K. <matth...@tenstral.net> ---
There is no command-line flag (yet), but you can achieve that behavior by
setting `PreferLocalMetainfoData=true` in `/etc/appstream.conf`.

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[Discover] [Bug 387379] GNOME Tweaks is always listed at the top of the main app browse list, even on KDE Plasma

2018-01-17 Thread Matthias K .
https://bugs.kde.org/show_bug.cgi?id=387379

--- Comment #16 from Matthias K. <matth...@tenstral.net> ---
Maybe having a per-desktop weight to ratings applied locally makes more sense
than rolling out a completely new ODRS instance - because that would mean that
apps that are relevant on all desktops wouldn't share ratings anymore.

Or, even better: Curate the front page of Discover by displaying a couple of
predefined "featured" apps, like GNOME Software does. That would get rid of the
randomness of whatever has the highest rating showing up on the front page.

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[Discover] [Bug 387379] Blacklist GNOME Tweak Tool when using Plasma

2018-01-16 Thread Matthias K .
https://bugs.kde.org/show_bug.cgi?id=387379

Matthias K. <matth...@tenstral.net> changed:

   What|Removed |Added

 CC||matth...@tenstral.net

--- Comment #11 from Matthias K. <matth...@tenstral.net> ---
I don't think we should blacklist this application, or for that matter, any
application in Discover or other software centers.

You don't know what the users want to do with the application - maybe they have
GNOME installed and witch between Plasma and GNOME? Maybe they use the tweak
tool to customize the looks of GTK+ apps or other GTK+ properties?

it shouldn't be a featured app, but if people look for it it should really show
up.
We also don't blacklist MIDI applications if the user doesn't have a musical
keyboard attached. Discover should - in my opinion - reflect all the software
that is available.

This is also the reason why AppStream doesn't contain any means to distinguish
by desktop environment - you either make an app visible in all software
centers, or in none.

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[digikam] [Bug 372763] Rename does not give options on Conflict

2018-01-02 Thread Matthias K .
https://bugs.kde.org/show_bug.cgi?id=372763

--- Comment #6 from Matthias K. <matth...@kaehlcke.net> ---
I don't find the current behavior pleasant at all and the workaround is very
time consuming. Perhaps the behavior should be configurable if others really
appreciate the current one.

The string I use is:

[date:"MMdd_hhmmss"]_[cam]{replace:"Canon EOS 80D","EOS
80D",i}{replace:"FUJIFILM","Fuji",i}{replace:"Canon EOS REBEL SL1","EOS Rebel
SL1",i}{replace:"OLYMPUS CORPORATION","Olympus",i}{replace:"Canon PowerShot
G9","G9",i}{replace:"Canon EOS 60D","EOS 60D",i}{replace:"Canon PowerShot
S100","S100",i}

Obviously the main problem are photos with the same timestamp.

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[digikam] [Bug 388437] Current photo in the Image Editor is not selected in Albums view

2018-01-01 Thread Matthias K .
https://bugs.kde.org/show_bug.cgi?id=388437

--- Comment #2 from Matthias K. <matth...@kaehlcke.net> ---
Thanks for the swift fix, Maik!

A great example of the virtues open source projects can have.

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[digikam] [Bug 372763] Rename does not give options on Conflict

2018-01-01 Thread Matthias K .
https://bugs.kde.org/show_bug.cgi?id=372763

--- Comment #3 from Matthias K. <matth...@kaehlcke.net> ---
Indeed Digikam now doesn't allow to start batch rename if there are conflicts,
but that doesn't really fix the workflow problem :(

My current workaround (w/ v5.6.0) is:

- create a sub-directory 'tmp' and move all photos to be renamed into it
- select a limited number of photos
- try to rename
- in case of conflicts select the first N photos without conflicts and rename
them
- move the renamed photos up into the actual album directory

- select a limited number of photos
- try to rename
- in case of conflicts select the first N photos without conflicts and rename
them
- manually rename the first photo since it has a conflict
- move the renamed photos into the actual album directory

- repeat until all photos have been renamed

This is extremely cumbersome compared with the previous behavior. Please
provide some kind of reasonable solution.

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[digikam] [Bug 388437] New: Current photo in the Image Editor is not selected in Albums view

2018-01-01 Thread Matthias K .
https://bugs.kde.org/show_bug.cgi?id=388437

Bug ID: 388437
   Summary: Current photo in the Image Editor is not selected in
Albums view
   Product: digikam
   Version: 5.6.0
  Platform: Other
OS: Linux
Status: UNCONFIRMED
  Severity: normal
  Priority: NOR
 Component: Albums-MainView
  Assignee: digikam-bugs-n...@kde.org
  Reporter: matth...@kaehlcke.net
  Target Milestone: ---

When multiple photos are opened in the Image Editor the Albums view does not
select the currently shown/edited photo. This was different with earlier
versions of digikam (v4?).

In my workflow I usually open a batch of photos in the Image Editor and then go
through them for rating and tagging. Not having the current photo selected in
the Albums view is very inconvenient, since it requires to check the file name
and selecting it manually. Doesn't sound like a big deal, but it adds
significant overhead when going through a larger collection of photos.

Please bring back the previous behavior.

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[digikam] [Bug 384759] Can't adjust timestamp of RAW files

2017-09-16 Thread Matthias K .
https://bugs.kde.org/show_bug.cgi?id=384759

--- Comment #2 from Matthias K. <matth...@kaehlcke.net> ---
Just tried the 5.7.0 Linux AppImage, the behavior is still the same.

For if others run into the same issue, exiftool can be used as a workaround:
'exiftool -alldates-=3 IMG_8117.CR2'

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[digikam] [Bug 384759] New: Can't adjust timestamp of RAW files

2017-09-16 Thread Matthias K .
https://bugs.kde.org/show_bug.cgi?id=384759

Bug ID: 384759
   Summary: Can't adjust timestamp of RAW files
   Product: digikam
   Version: 5.3.0
  Platform: Debian testing
OS: Linux
Status: UNCONFIRMED
  Severity: normal
  Priority: NOR
 Component: BatchQueueManager
  Assignee: digikam-bugs-n...@kde.org
  Reporter: matth...@kaehlcke.net
  Target Milestone: ---

With digikam 4 it was possible to adjust the timestamp of RAW files (at least
Canon CR2, not sure about others), this fails with digikam 5. Trying to update
any timestamp via the 'Time Adjust' tool in the BQM results in 'Failed to
process  item ...'.

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[digikam] [Bug 372763] Rename does not give options on Conflict

2017-04-29 Thread Matthias K .
https://bugs.kde.org/show_bug.cgi?id=372763

Matthias K. <matth...@kaehlcke.net> changed:

   What|Removed |Added

 CC||matth...@kaehlcke.net

--- Comment #1 from Matthias K. <matth...@kaehlcke.net> ---
I'm also experiencing this problem. This is a major issue, since the renaming
process stalls once it encounters a conflict, thus batch renaming is broken if
the batch has conflicts :(

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[Discover] [Bug 376241] software centre is empty

2017-04-17 Thread Matthias K .
https://bugs.kde.org/show_bug.cgi?id=376241

--- Comment #33 from Matthias K. <matth...@tenstral.net> ---
This is highly likely
https://bugs.launchpad.net/ubuntu/+source/plasma-discover/+bug/1663695 which
should be resolved soonish. You can help fixing it by testing the AppStream
package in -updates-proposed.

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[Discover] [Bug 376241] software centre is empty

2017-02-12 Thread Matthias K .
https://bugs.kde.org/show_bug.cgi?id=376241

--- Comment #10 from Matthias K. <matth...@tenstral.net> ---
Okay, so this is a Discover bug, or an incarnation of
https://github.com/hughsie/PackageKit/issues/177 then.

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[Discover] [Bug 376241] software centre is empty

2017-02-12 Thread Matthias K .
https://bugs.kde.org/show_bug.cgi?id=376241

--- Comment #8 from Matthias K. <matth...@tenstral.net> ---
The AppStream information looks good.
Can you find all software you need using the CLI?
E.g. using `appstreamcli search web`?

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[Discover] [Bug 376241] software centre is empty

2017-02-10 Thread Matthias K .
https://bugs.kde.org/show_bug.cgi?id=376241

Matthias K. <matth...@tenstral.net> changed:

   What|Removed |Added

 CC||matth...@tenstral.net

--- Comment #5 from Matthias K. <matth...@tenstral.net> ---
Please run `appstreamcli status` and attach the output.
You might also want to attach the output of
`sudo appstreamcli refresh --force --verbose`.

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[Breeze] [Bug 355507] Icons should be pre-rendered to bitmaps at build-time

2016-05-27 Thread Matthias K . via KDE Bugzilla
https://bugs.kde.org/show_bug.cgi?id=355507

--- Comment #5 from Matthias K. <matth...@tenstral.net> ---
Yes, storing bitmaps in Git would be insane... Still, the SVG images are a
problem due to the issues outlines above, and compiling them to a reasonable
amount of bitmaps at build-time should be easily possible.
Unfortunately I have quite a lot of stuff to do at time, so creating a patch
isn't at the top of my priority list - but it's on there :-)

The stuff I wrote about changing the icon layout can be ignored btw, that was a
quirk in the AppStream generator which has been resolved meanwhile, and there
is really nothing to be gained by changing it.
Although, if/when bitmaps are shipped, some layout changes would be useful...

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