安装ruby是遇到的问题

1.requirements_osx_brew_libs_install autoconf automake libtool pkg-config libyaml readline libksba openssl
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Error running 'requirements_osx_brew_libs_install autoconf automake libtool pkg-config libyaml readline libksba openssl',

showing last 15 lines of /Users/yxp/.rvm/log/1408438961_ruby-2.1.1/package_install_autoconf_automake_libtool_pkg-config_libyaml_readline_libksba_openssl.log
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只要先安装 sqllite 就行了。。

$brew install sqlite

$rvm requirements

2.SSL问题
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ERROR: SSL verification error at depth 1: unable to get local issuer certificate (20)
ERROR: You must add /C=IL/O=StartCom Ltd./OU=Secure Digital Certificate Signing/CN=StartCom Certification Authority to your local trusted store
ERROR: SSL verification error at depth 2: self signed certificate in certificate chain (19)
ERROR: Root certificate is not trusted (/C=US/O=GeoTrust Inc./CN=GeoTrust Global CA)
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出现这个问题的原因主要是Ruby环境需要2.2版本以上，所以要更新Ruby环境。

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0.首先要安装Homebrew终端输入这条命令即可/usr/bin/ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"
1.安装rvm$ curl -L get.rvm.io | bash -s stable
2.装载rvm$ source ~/.rvm/scripts/rvm
3.安装2.3.0版本ruby$ rvm install 2.3.0
4.将2.3.0设为默认$ rvm use 2.3.0 --default
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3.证书错误问题
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$ cd $rvm_path/usr/ssl
$ sudo curl -O http://curl.haxx.se/ca/cacert.pem
$ sudo mv cacert.pem cert.pem
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