Gem::Ext::BuildError: ERROR: Failed to build gem native extension. /Users/angela/.rbenv/versions/1.9.3-p545/bin/ruby -r ./siteconf20170106-59264-robjdg.rb extconf.rb --use-system-libraries checking if the C compiler accepts ... yes checking if the C…

在cocoapods 执行 sudo gem install cocoapods 的时候出现  While executing gem ... (Gem::FilePermissionError)    You don't have write permissions for the /usr/bin directory. 改为 sudo gem install -n /usr/local/bin cocoapods  即可 如果是卸载的话,把上面这句改成: sudo gem uninstall…

在执行gem install redis时 提示: gem install redis ERROR: Error installing redis: redis requires Ruby version >= 2.2.2. 原因,ruby版本小于了2.2.2.1.安装RVM: gpg2 --keyserver hkp://keys.gnupg.net --recv-keys D39DC0E3 curl -L get.rvm.io | bash -s stable find / -name rv…

运行 ‘bundle install’ 或者 ‘gem install mysql2′ 遇到如下错误 > gem install mysql2 ERROR: Error installing mysql2: The 'mysql2' native gem requires installed build tools. Please update your PATH to include build tools or download the DevKit from 'http://rubyins…

前言 自上一次升级MacOS系统后出现jekyll无法构建的问题,当时处理半天.谁知道最近又升级了MacOS,荒废博客多时,今天吝啬写了一篇准备发布,构建报错,问题重新.还是记录下,以防下次升级出问题. 问题描述 安装jekyll静态博客需要在Ruby环境下运行,于是参照官方文档命令安装对应的依赖包,但是一大堆报错,坑. 步骤一:运行安装命令 linjiajundeMacBook-Pro:~ linjiajun$ gem install bundler ERROR: While executin…

在执行gem install redis时 提示:    gem install redis    ERROR:  Error installing redis:            redis requires Ruby version >= 2.2.2. 查了查资料,CentOS7 yum库中ruby的版本支持到 2.0.0,可gem 安装redis需要最低是2.2.2,自己编译的ruby源码,再执行还是报错…最后google结合几篇文章解决了: 采用rvm来更新ruby: 1.安装RVM…

用brew install 3.4.4(python)时报 zipimport.ZipImportError: can't decompress data; zlib not available 的错误,采用以下两步解决. 1.macdeMacBook-Pro:~ mac$ xcode-select --install xcode-select: error: command line tools are already installed, use "Software Update"…

问题描述 RedisDump 是一个用于 Redis 数据导人/导出的工具,是基于 Ruby 实现的,需要先安装 Ruby.但因为 Mac 自带有 Ruby 所以我直接用gem install redis-dump进行安装,但却出现错误. 不想更改系统自带的环境,因为后面遇到兼容性问题会很麻烦.于是我重新用 homebrew 装了一个 Ruby ,简单的一句指令即可: brew install ruby 原以为自己装了新版本 ruby 之后,再执行gem install redis-dump就不…

注意:千万不要使用sudo来执行gem install redis. 解决方法: sudo apt-get update sudo apt-get install git-core curl zlib1g-dev build-essential libssl-dev libreadline-dev libyaml-dev libsqlite3-dev sqlite3 libxml2-dev libxslt1-dev libcurl4-openssl-dev python-software-pro…

gem install pg -v '0.18.2' Building native extensions. This could take a while... ERROR: Error installing pg: ERROR: Failed to build gem native extension. current directory: /Users/bevan/.rvm/gems/ruby-2.3.0/gems/pg-0.18.2/ext /Users/bevan/.rvm/rubie…