-bash: /opt/jdk1.8.0_171/bin/java: Permission denied
解决方法： /opt# chmod -R 755 jdk1.8.0_171/ /opt# java -version java version "1.8.0_171" Java(TM) SE Runtime Environment (build 1.8.0_171-b11) Java HotSpot(TM) 64-Bit Server VM (build 25.171-b11, ...
