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android-emulator: api36-v6 — cap RLIMIT_NOFILE; x11vnc -nolookup
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Viktor's noVNC sat at 'Connecting…' forever: the WebSocket traversed
Cloudflare/Authentik/websockify fine, but x11vnc never sent the RFB
banner — strace showed it sweeping the container's fd table with one
fcntl per fd, and containerd grants RLIMIT_NOFILE=2147483584 here, so
each connection effectively never completed. The entrypoint now sets
ulimit -n 65536 for everything it launches (verified live: banner
answers instantly under the capped limit); x11vnc also gets -nolookup
so client reverse-DNS can never stall handshakes.
This commit is contained in:
Viktor Barzin 2026-06-12 20:04:42 +00:00
parent 623d34628a
commit 3802967290
3 changed files with 9 additions and 4 deletions
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4
stacks/android-emulator/docker/Dockerfile
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@ -4,8 +4,8 @@
# cmdline-tools and the native libraries the emulator needs at runtime.
#
# Rebuild + push (rare — only when tool/library versions bump):
# docker build -t forgejo.viktorbarzin.me/viktor/android-emulator:api36-v5 .
# docker push forgejo.viktorbarzin.me/viktor/android-emulator:api36-v5
# docker build -t forgejo.viktorbarzin.me/viktor/android-emulator:api36-v6 .
# docker push forgejo.viktorbarzin.me/viktor/android-emulator:api36-v6
FROM eclipse-temurin:17-jdk-jammy
ENV DEBIAN_FRONTEND=noninteractive