Linux（CentOS 7.2）上部署Jenkins

1、检查linux上安装的java是啥版本，网上要求大小于1.8，本人刚好是达到要求 $ java -version java version "1.8.0_121" Java(TM) SE Runtime Environment (build 1.8.0_121-b13) Java HotSpot(TM) 64-Bit Server VM (build 25.121-b13, mixed mod

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