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Update README to add a note about binfmt-related errors (#587)

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Paul Kulchenko 2022-09-04 00:09:24 -07:00 committed by GitHub
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@ -40,6 +40,21 @@ You now have a portable program.
bash -c './hello.com' # zsh/fish workaround (we patched them in 2021)
```
If `./hello.com` executed on Linux throws an error about not finding an
interpreter, it should be fixed by running the following command (although
note that it may not survive a system restart):
```sh
sudo sh -c "echo ':APE:M::MZqFpD::/bin/sh:' >/proc/sys/fs/binfmt_misc/register"
```
If the same command produces puzzling errors on WSL or WINE when using
Redbean 2.x, they may be fixed by disabling binfmt_misc:
```sh
sudo sh -c 'echo -1 >/proc/sys/fs/binfmt_misc/status'
```
Since we used the `ape-no-modify-self.o` bootloader (rather than
`ape.o`) your executable will not modify itself when it's run. What
it'll instead do, is extract a 4kb program to `${TMPDIR:-${HOME:-.}}`