3rd Mod Version
Please check your $XDG_CONFIG_HOME or ~/.config path have .minecraft-mjolnir folder. If you know this prefix path down below prefix path will use ||your linux system prefix path|| to said.
If you don't know what docs say: open your Mjolnir Launcher see your tray icon inside will have ||Open Main Folder|| click this will open where the launcher save place
OptiFine
install path: "your linux system prefix path"/.minecraft-mjolnir/launcher
put your mods path: "your linux system prefix path"/.minecraft-mjolnir/launcher/mods
Do not install at this path: "your linux system prefix path"/.minecraft-mjolnir/
- This path will let 3rd mod installer error
Forge
install path: "your linux system prefix path"/.minecraft-mjolnir/launcher
put your mods path: "your linux system prefix path"/.minecraft-mjolnir/launcher/mods
Do not install at this path: "your linux system prefix path"/.minecraft-mjolnir/
- This path will let 3rd mod installer error
Fabric
install path: "your linux system prefix path"/.minecraft-mjolnir/launcher
put your mods path: "your linux system prefix path"/.minecraft-mjolnir/launcher/mods
Do not install at this path: "your linux system prefix path"/.minecraft-mjolnir/
- This path will let 3rd mod installer error