如何使用 update-alternatives 正确安装 Temurin JDK

Question

我想安装 Temurin JDK 8 和 11，我通过以下步骤安装了它们

wget https://github.com/adoptium/temurin8-binaries/releases/download/jdk8u312-b07/OpenJDK8U-jdk_x64_linux_hotspot_8u312b07.tar.gz
tar xzf OpenJDK8U-jdk_x64_linux_hotspot_8u312b07.tar.gz

sudo mv jdk8u312-b07/  /usr/lib/jvm/temurinjdk-8-hotspot-amd64

sudo update-alternatives --install "/usr/bin/java" "java" "/usr/lib/jvm/temurinjdk-8-hotspot-amd64/bin/java" 1081
sudo update-alternatives --install "/usr/bin/javac" "javac" "/usr/lib/jvm/temurinjdk-8-hotspot-amd64/bin/javac" 1081

但我不确定这是否 100% 正确，以及如何生成 .jinfo 文件是否需要？

Answer 1

您可以使用Adoptium Debian / Ubuntu 存储库

1. 添加 Eclipse Adoptium GPG 密钥

   wget -O - https://packages.adoptium.net/artifactory/api/gpg/key/public | sudo apt-key add -
   

2. 添加 Eclipse Adoptium apt 存储库

   echo "deb https://packages.adoptium.net/artifactory/deb $(awk -F= '/^VERSION_CODENAME/{print$2}' /etc/os-release) main" | sudo tee /etc/apt/sources.list.d/adoptium.list
   

3. 安装您需要的 Temurin 版本

   sudo apt update # update if you haven't already
   sudo apt install temurin-8-jdk
   sudo apt install temurin-17-jdk
   

4. 配置默认版本

   sudo update-alternatives --config java