Linux - Zookeeper 遇到 JAVA_HOME is not set and java could not be found in PATH 问题

问题：

　　执行 bin/zkServer.sh 时，遇到JAVA_HOME is not set and java could not be found in PATH.的问题

解决：

　　Java alternatives

　　现在使用下面的命令将Java的位置给 LinuxOS

# update-alternatives --install /usr/bin/java java /opt/jdk/jdk1.8.0_60/bin/java 100

　　或者

# update-alternatives — install “/usr/bin/java” “java” “

# update-alternatives — install “/usr/bin/javac” “javac” “

# update-alternatives — install “/usr/bin/javaws” “javaws” “