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appimage portablility across machines (lemmy.today)

submitted 5 months ago by neatobuilds@lemmy.today to c/linux@programming.dev

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Hi everyone, I have been getting back into photography lately and switched to using linux full time about a year ago.

I ended up deciding to use digikam as my photo library management tool and then edit in darktable. both applications I decided to use the appimage for easier use and to have the necessary dependencies to get things like opencl to work, (I had a hard time getting it to work with the .deb)

now I also use multiple machines and recently learned that you can create .home and .config folders for each appimage to have all their settings etc save there, and it seems that this would make it pretty portable.

would it be a bad idea to for example keep the appimages and their folders in a synchronized folder like with nextcloud to use the same* appimage across machines. I never have the same machine on at a time but it would be nice to have all the settings sync'd but im not sure it would then break something since two machines use nvidia gpus and the other uses an amd gpu

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[–] Samueru_sama@programming.dev 1 points 5 months ago* (last edited 5 months ago)

Processes are still isolated through nested seccomp filters.

You don't have namespaces still...

For reference, chromium will not launch without that, you have to pass the --no-sandbox flag and brave iirc disabled that all together.

Not really an issue with chromium because you do have working namespaces sandbox thru zypack, although some disagree that this is safe

Would highly recommend against anything that “updates itself.”

Disable the self updates in that case... before you were saying that AppImages had no way to self update and now are saying that you don't recommend it?

You want someone in the stream to do some sort of validation.

Also what validation are we talking about? the one that flathub does? The most you will get is recognizing that the application comes from upstream, you can even ship pre-compiled binaries thru flathub.

There is a reason we use centralized management.

Such as?

EDIT:

I also don’t want every app trying to check for updates.

With AppImage you have this outside the application thru the zsync delta updates, the info is embedded in the appimage and it is checked by appimageupdatetool, appimagelauncher, and similar and let you know when there is an update available without the application itself doing the check.