服务器多了之后安装java挺烦躁的，下面部分是从Dockerfilecopy的一部分

##命令

wget -c --no-check-certificate --no-cookies --header "Cookie: oraclelicense=accept-securebackup-cookie" http://download.oracle.com/otn-pub/java/jdk/8u65-b17/jdk-8u65-linux-x64.tar.gz -O server-jre.tar.gz && \mkdir oracle-server-jre && \tar -xzf server-jre.tar.gz -C ./oracle-server-jre && \mkdir -p /opt/oracle-server-jre && \cp -r oracle-server-jre/jdk1.8.0_65/* /opt/oracle-server-jre/ && \ln -s /opt/oracle-server-jre/bin/java /usr/bin/java && \chmod ugo+x /usr/bin/java && \rm -rf /var/lib/apt/lists/* \rm -rf oracle-server-jre