ERROR: While executing gem ... (Gem::Exception) Unable to require openssl...........................

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今天在centOS7上安装ruby3.2.0时,gem install redis 出现ERROR: While executing gem ... (Gem::Exception) Unable to require openssl....................

试了网上很多的方法还是出现了这个问题。

最后索性删除了本来的ruby,重新安装后就可以了。

正确的安装步骤是先安装开发工具和依赖包

 

先安装开发工具

1、命令:yum groupinstall "Development tools"

清理已安装过的

2、命令:yum erase ruby ruby-libs ruby-mode ruby-rdoc ruby-irb ruby-ri ruby-docs

安装依赖(要先安装这些依赖包,不然gem不能执行)

3、命令:yum -y install zlib-devel curl-devel openssl-devel httpd-devel apr-devel apr-util-devel mysql-devel

安装ruby

4、把安装包上传到指定目录,并解压

命令:tar zxvf ruby-2.3.0.tar.gz;解压后,进入ruby-2.3.0目录下,依次执行下面命令

命令:./configure

命令:make

命令:make install

5、ruby要支持redis的通信,需要下载redis相关包(3步骤执行后这里应该就没问题了)

命令:gem install redis

 

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ERROR: While executing gem ... (Gem::Exception) Unable to require openssl...........................