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ruby安装插件报错【代码】【图】

有时候我们需要安装ruby插件的时候,会报如下错误: ERROR: Could not find a valid gem ‘rdiscount‘ (>= 0), here is why:Unable to download data from https://rubygems.org/ - Errno::ETIMEDOUT: Operation timed out - connect(2) (https://rubygems.org/latest_specs.4.8.gz) 图片如下: 这个错误是因为,ruby被墙的原因,我们把ruby的源改成国内的源就可以了,淘宝已经把 rubygems镜像拷贝过来了,因此我们可以将镜像的源...

解决方法:配置群集时# gem install redis 报错:Unable to require openssl, install OpenSSL and rebuild ruby

问题:前面已经在/usr/local/src安装了ruby-2.3.0.tar.gz、rubygems-2.4.2.tar.gz。在配置 redis-3.1.1 群集中,使用gem install 安装 ruby redis 接口时报:[plain] view plain copy # [root@localhost src]# gem install redis --version 3.0.0 # # 由于源的原因,可能下载失败,就手动下载下来安装 [root@localhost src]# gem install /usr/local/src/redis-3.2.1.gem ERROR: While executing gem ... (Gem::Exception) ...

windows环境下,ruby连接mysql报错

mysqlruby require "D:/ruby-mysql/ruby-mysql-0.2.6/mysql"begin #尝试连接mysql数据库 my = Mysql.connect("localhost","root","123456","test") #连接成功,显示Mysql数据库版本 puts my.get_server_inforescue Mysql::Error => err #如果失败,显示错误信息 puts "错误代码:#{err.errno}" puts "错误信息:#{err.error}"ensure my.close if myend运行以上代码,报这样的错误:D:/ruby-mys...

pod命令报错-bash: /usr/local/bin/pod: /System/Library/Frameworks/Ruby.framework/Versions/2.3/usr/bin/rub【图】

-bash: /usr/local/bin/pod: /System/Library/Frameworks/Ruby.framework/Versions/2.3/usr/bin/ruby: bad interpreter: No such file or directory 终端执行:sudo gem install -n /usr/local/bin cocoapods 输入密码后等待一段时间就可以了

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