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Propose RAM default to 2G instead of 8G 

Alternative, calc at runtime?

Perhaps
```
-e RAM=auto \
```
```
RAM=${RAM:-$(("$(head -n1 /proc/meminfo | tr -dc '[:digit:]') / 900000"))}000 \
exec qemu-system-x86_64 -m ${RAM} \
```
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sickcodes 2021-03-14 12:10:14 +00:00 committed by GitHub
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@ -213,7 +213,7 @@ RUN touch Launch.sh \
&& tee -a Launch.sh <<< 'set -eu' \ && tee -a Launch.sh <<< 'set -eu' \
&& tee -a Launch.sh <<< 'sudo chown $(id -u):$(id -g) /dev/kvm 2>/dev/null || true' \ && tee -a Launch.sh <<< 'sudo chown $(id -u):$(id -g) /dev/kvm 2>/dev/null || true' \
&& tee -a Launch.sh <<< 'sudo chown -R $(id -u):$(id -g) /dev/snd 2>/dev/null || true' \ && tee -a Launch.sh <<< 'sudo chown -R $(id -u):$(id -g) /dev/snd 2>/dev/null || true' \
&& tee -a Launch.sh <<< 'exec qemu-system-x86_64 -m ${RAM:-8}000 \' \ && tee -a Launch.sh <<< 'exec qemu-system-x86_64 -m ${RAM:-2}000 \' \
&& tee -a Launch.sh <<< '-cpu Penryn,vendor=GenuineIntel,+invtsc,vmware-cpuid-freq=on,+pcid,+ssse3,+sse4.2,+popcnt,+avx,+aes,+xsave,+xsaveopt,check \' \ && tee -a Launch.sh <<< '-cpu Penryn,vendor=GenuineIntel,+invtsc,vmware-cpuid-freq=on,+pcid,+ssse3,+sse4.2,+popcnt,+avx,+aes,+xsave,+xsaveopt,check \' \
&& tee -a Launch.sh <<< '-machine q35,accel=kvm:tcg \' \ && tee -a Launch.sh <<< '-machine q35,accel=kvm:tcg \' \
&& tee -a Launch.sh <<< '-smp ${CPU_STRING:-${SMP:-4},cores=${CORES:-4}} \' \ && tee -a Launch.sh <<< '-smp ${CPU_STRING:-${SMP:-4},cores=${CORES:-4}} \' \