fedora官网教程，非常好用
https://fedoraproject.org/wiki/JDK_on_Fedora
Linux x64 Compressed Archive 136.51 MB
jdk-8u271-linux-x64.tar.gz
下载地址 参见：https://gist.github.com/hgomez/9650687
官网下载地址（需要登录才能下载）
https://www.oracle.com/java/technologies/javase/javase-jdk8-downloads.html
或者直接使用：
wget --no-cookies --no-check-certificate --header "Cookie: oraclelicense=accept-securebackup-cookie" https://javadl.oracle.com/webapps/download/GetFile/1.8.0_271-b09/61ae65e088624f5aaa0b1d2d801acb16/linux-i586/jdk-8u271-linux-x64.tar.gz