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Just-a-Unity-Dev/install-java-18.sh

Last active July 15, 2022 03:35
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A little install script I like to use which installs Java 18
Raw
install-java-18.sh
#!/bin/bash
NC="\033[0m"
RED="\033[0;31m"
GREEN="\033[0;32m"
YELLOW="\033[1;33m"
if [ "$(id -u)" -ne 0 ]
then echo "${RED}Error! ${YELLOW}Please run this script again as root."
exit 1
fi
wget https://github.com/adoptium/temurin18-binaries/releases/download/jdk-18.0.1%2B10/OpenJDK18U-jdk_x64_linux_hotspot_18.0.1_10.tar.gz
sudo mkdir /usr/java
sudo mv OpenJDK18U-jdk_x64_linux_hotspot_18.0.1_10.tar.gz /usr/java
cd /usr/java
sudo tar -xzvf OpenJDK18U-jdk_x64_linux_hotspot_18.0.1_10.tar.gz
sudo echo "JAVA_HOME=/usr/java/jdk-18.0.1+10" > /etc/profile
sudo echo "PATH=$PATH:$HOME/bin:$JAVA_HOME/bin" > /etc/profile
sudo echo "export JAVA_HOME" > /etc/profile
sudo echo "export JRE_HOME" > /etc/profile
sudo echo "export PATH" > /etc/profile
sudo update-alternatives --install "/usr/bin/java" "java" "/usr/java/jdk-18.0.1+10/bin/java" 1
sudo update-alternatives --install "/usr/bin/javac" "javac" "/usr/java/jdk-18.0.1+10/bin/javac" 1
cd ~
echo "${GREEN}Successfully installed Java 18.0.1_10${NC}"
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