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SECURITY.md: Mention gcompat for Alpine #12365

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Expand Up @@ -330,14 +330,10 @@ is an option](#tls-with-conscrypt). Otherwise you need to [build your own 32-bit
version of
`netty-tcnative`](https://netty.io/wiki/forked-tomcat-native.html#wiki-h2-6).

If on Alpine Linux and you see "Error loading shared library libcrypt.so.1: No
such file or directory". Run `apk update && apk add libc6-compat` to install the
necessary dependency.

If on Alpine Linux, try to use `grpc-netty-shaded` instead of `grpc-netty` or
(if you need `grpc-netty`) `netty-tcnative-boringssl-static` instead of
`netty-tcnative`. If those are not an option, you may consider using
[netty-tcnative-alpine](https://github.com/pires/netty-tcnative-alpine).
If on Alpine Linux, depending on your specific JDK you may see a crash in
netty_tcnative. This is generally caused by a missing symbol. Run `apk install
gcompat` and use the environment variable `LD_PRELOAD=/lib/libgcompat.so.0` when
executing Java.

If on Fedora 30 or later and you see "libcrypt.so.1: cannot open shared object
file: No such file or directory". Run `dnf -y install libxcrypt-compat` to
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