Usually, the device-specific installation guides should mention the necessary steps for Linux (and Windows), e.g. this one: https://doc.e.foundation/devices/starlte/install
As Heimdall is available in the Debian repos, it's likely the same for Fedora. Alternatively, there is also a guide for self-compiling on Linux (and Windows):
It's been a while since I experimented with /e/, but flashing is flashing - you just need ADB and the phone image files (zip).
Unless /e/ has a Windows-specific tool these days?
As far as I understand, Windows needs Odin and Linux uses Heimdall. When I realised this, I got curious about a more Linux -specific guide.
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