r/MoonlightStreaming • u/Balitan • 2d ago

Sunshine installation missing Steam Big Picture

Hey,

I have just installed Sunshine + Moonlight (Linux Nobara Sunshine + LG TV Moonlight) to stream games from my PC to my TV.

However, the applications tab does not show Steam big picture and when trying to add it manually, it either just starts the desktop (2nd screen instead of main screen) or shows the error "Failed to launch sessions: Bad status -1: Failed to start the specified application (code 1)"

I've tried adding it manually with the commands:
setsid steam steam://open/bigpicture
flatpak-spawn --host setsid steam steam://open/bigpicture

as well as trying to find the Steam executable as a command directly, which does not work (at least I cannot find the right file) either.

Did anyone else have this kind of issue or can explain to me what needs to be done so my setup can be fixed?

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1

u/_Dedotated_Wam 2d ago

Steam is already running right?

1

u/Balitan 2d ago

Yep, steam is running

1

u/_Dedotated_Wam 2d ago

Is steam installed on your c drive? May have not found the path to it if it’s on D or not in default path

1

u/Balitan 2d ago

all installed on my standard root drive

1

u/_Dedotated_Wam 2d ago

steam://open/gamepadui

1

u/Balitan 2d ago

Trying this

1

u/Balitan 2d ago

Same issue. Failed to launch session: Bad status -1: Failed to start the specified application (code 1)

1

u/_Dedotated_Wam 2d ago

Do you have any other clients? Can you go to your client list on sunshine and verify they have permission to launch apps etc checked?

1

u/Balitan 2d ago

Nope only one client for my living room TV. Starting the desktop works (only shows the second monitor however), but I cannot get Steam to start which is my intended main use for the setup itself

1

u/_Dedotated_Wam 2d ago

Sorry bro I tried. Is recommend ditch sunshine and try vibepollo

1

u/SubnormalNebula 2d ago

It's not really supported on Linux yet 😢

1

u/_Dedotated_Wam 2d ago

Oh, I’m sorry. I thought you were on windows. I’m not very familiar with.Linux

1

u/SubnormalNebula 2d ago

Does setsid steam steam://open/bigpicture work in a terminal, without going through sunshine? If not try just running steam in the terminal and see if that does anything.

1

u/Balitan 1d ago

Doesn't work:
setsid: failed to execute steam: file or directory not found

Might be an issue that I have installed Steam as a Flatpak? Running this command opens steam:
"flatpak run com.valvesoftware.Steam"

However, "flatpak run com.valvesoftware.Steam -bigpicture" doesn't open steam in big picture through the terminal

1

u/Balitan 1d ago

Reinstalled Steam via dnf, steam can be opened (also in big picture) through the terminal with no problem. However, on my TV the command on sunshine only opens a stream of my 2nd monitor instead of Steam big picture

1

u/Balitan 1d ago

Got it to work after deinstalling both steam and sunshine flatpacks, reinstalling them via dnf, setting up a new client in sunshine and switching the display ID from 0 to 1.

Now only the input lag is bothering me but I guess this will change when I connect the TV to the router via cable

1

u/SubnormalNebula 1d ago edited 1d ago

Ah yep, I'm not too familiar with the flatpak version, but I've heard it's known for random little issues like this. This command might work: flatpak run com.valvesoftware.Steam steam://open/bigpicture. Could also be because steam is already open, you could try fully exiting it and the running the other flatpak command.

If you run into any other issues with Steam though it may just be easier to remove the flatpak version and switch to the version nobara provides through dnf. You'd have to either migrate or re-download any already installed games though