[Hadoop] - Cannot run program "cmake"

在编译hadoop的过程中，遇到缺少cmake命令的异常，异常信息为：Cannot run program "cmake" (in directory "/opt/workspaces/hadoop-3.0.0-alpha2-src/hadoop-common-project/hadoop-common/target/native"): error=2, No such file or directory；具体截图如下：

解决方案：安装cmake服务；当前系统环境：centos6.5 64位 1核2G

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方式一：直接通过yum命令进行安装(执行用户root)

yum install -y cmake

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再执行编译hadoop可能会再次遇到异常，具体描述信息为：Could NOT find ZLIB (missing: ZLIB_INCLUDE_DIR)；具体截图如下：

解决方案：安装zlib服务，命令如下：

yum install -y zlib

yum -y install zlib-devel

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继续执行，可能出现(missing: OPENSSL_LIBRARIES OPENSSL_INCLUDE_DIR) ，具体异常如下：

解决方案为添加依赖服务：

yum install -y openssl openssl-devel

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