These instructions are suitable for 64-bit Linux operating systems (Debian, Ununtu, etc). You will first need to connect to the server, then run these commands:



Java 11 Installation





wget https://servery.biz/files/java/OpenJDK11U-jre_x64_linux_hotspot_11.0.10_9.tar.gz

tar xf OpenJDK11U-jre_x64_linux_hotspot_11.0.10_9.tar.gz

rm /opt/jdk-11.0.10+9-jre -rf && mv jdk-11.0.10+9-jre /opt

ln -svf /opt/jdk-11.0.10+9-jre/bin/java /usr/bin/java

rm OpenJDK11U-jre_x64_linux_hotspot_11.0.10_9.tar.gz

java -version





Java 8 Installation





wget https://servery.biz/files/java/jre-8u251-linux-x64.tar.gz

tar xf jre-8u251-linux-x64.tar.gz

rm /opt/jre1.8.0_251 -rf

mv jre1.8.0_251 /opt

ln -svf /opt/jre1.8.0_251/bin/java /usr/bin/java

rm jre-8u251-linux-x64.tar.gz

java -version





Java 15 Installation





wget https://servery.biz/files/java/OpenJDK11U-jre_x64_linux_hotspot_11.0.10_9.tar.gz

tar xf OpenJDK15U-jre_x64_linux_hotspot_15.0.2_7.tar.gz

rm /opt/jdk-15.0.2+7-jre -rf && mv jdk-15.0.2+7-jre /opt

ln -svf /opt/jdk-15.0.2+7-jre/bin/java /usr/bin/java

rm OpenJDK15U-jre_x64_linux_hotspot_15.0.2_7.tar.gz

java -version





Java 16 Installation





add-apt-repository ppa:linuxuprising/java

apt-get update

echo "deb http://ppa.launchpad.net/linuxuprising/java/ubuntu focal main" | tee /etc/apt/sources.list.d/linuxuprising-java.list

apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv-keys 73C3DB2A

apt-get update

apt install oracle-java16-installer --install-recommends

apt install oracle-java16-installer --no-install-recommends

java -version





To change the version of Java, type this command and choose which java you want to make the main one:





update-alternatives --config java