环境:Ubuntu8.04 1.安装build工具 sudo aptitude install build-essential linux-headers-$(uname -r) 2.安装readline zlib libncurses5 apt-get install zlib1g-dev apt-get install libreadline5 libreadline5-dev apt-get install libncurses5 libncurses5-dev 3.安装ruby ruby的源代码下载： http://www.ruby-lang.org/en/downloads/ wget ftp://ftp.ruby-lang.org/pub/ruby/1.8/ruby-1.8.6-p114.tar.gz tar xvfz ruby-1.8.6-p114.tar.gz cd ruby-1.8.6-p114 ./configure --prefix=/usr/local/ruby sudo make sudo make install 安装好以后，加入/usr/local/ruby/bin到操作系统的PATH环境变量中 编辑/etc/environment gedit /etc/environment 在最后面加入： PATH="/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/ bin:/sbin:/bin:/usr/games:/usr/local/ruby/bin" 执行命令,使环境变量修改生效： source /etc/environment 4.安装gem wget http://rubyforge.org/frs/download.php/29548/rubygems-1.0.1.tgz tar xzvf rubygems-1.0.1.tgz cd rubygems-1.0.1 sudo ruby setup.rb 验证gem是否安装成功并升级 sudo gem update --system 5.安装rails sudo gem install rails --include-dependencies 安装好rails以后，验证是否安装成功,可以执行： rails
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