alexarchambault

# build gcc toolchain targeting x86_64-linux-musl with https://github.com/richfelker/musl-cross-make
# don't use master branch which uses musl v1.2.1(the new malloc implementation has deadlock problems, v1.2.2 fixes it, v1.2.0 doesn't have it)
cd ~
git clone https://github.com/richfelker/musl-cross-make -b v0.9.9
cd musl-cross-make
cp config.mak.dist config.mak
# edit config.mak: TARGET = x86_64-linux-musl
make -j`nproc`
make install
ln -s output/bin/x86_64-linux-musl-gcc output/bin/musl-gcc

alexarchambault

alexarchambault

alexarchambault

alexarchambault

alexarchambault

alexarchambault

$ git clone https://github.com/coursier/coursier.git
$ cd coursier
$ git rev-parse HEAD
dc5b9f127e4a7b26317a656ef7f10f10c4f3c625
$ scripts/generate-launcher.sh --assembly
$ $GRAALVM_HOME/bin/native-image --enable-http --enable-https --no-fallback -jar coursier coursier-graalvm
$ ./coursier-graalvm resolve org.apache.spark:spark-sql_2.12:2.4.2 --no-default -r http://repo1.maven.org/maven2
…

alexarchambault

alexarchambault

alexarchambault

• in settings, create access key id / secret access key
• then

$ aws configure # enter at least access keys
$ aws emr create-default-roles \
    --region us-east-1
$ aws ec2 create-key-pair \
    --region us-east-1 \
    --key-name Demo \
    --query 'KeyMaterial' \