install java
sudo apt-get install openjdk-8-jdk
set environment variable
java --version
which java
readlink -f PATH_FROM_COMMAND_ABOVE
open ~/.bashrc and paste
export JAVA_HOME=/usr/lib/jvm/java-8-openjdk-amd64
export PATH=${PATH}:${JAVA_HOME}/bin
apply ~/.bashrc in current terminal(optional)
source ~/.bashrc
check
echo $JAVA_HOME
install coursier
curl -fL "https://github.com/coursier/launchers/raw/master/cs-x86_64-pc-linux.gz" | gzip -d > cs
chmod +x cs
./cs setup
cs install scala:2.11.5
you may see output below when excuting ./cs setup
Checking if a JVM is installed
Found a JVM installed under /usr/lib/jvm/java-8-openjdk-amd64.
-
[error] java.io.FileNotFoundException: /PATH_TO_DIR/cs332-assign/recfun/project/project/target/config-classes/$497f6f333f0c57ec9d9a.cache (No such file or directory)
do
rm -rf ~/.sbt/boot/ rm -rf ~/.ivy2/cache/org.scala-lang/ rm -rf ~/.ivy2/cache/org.scala-sbt/ cd cs332-assign/recfun sbt clean compile sbt run -
[error] [launcher] error during sbt launcher: java.lang.UnsupportedOperationException: The Security Manager is deprecated and will be removed in a future release
see