Ubuntu下安装rails

1.安装 ruby

到官网下载源码ruby-1.9.2-p0.tar.gz

tar zxf ruby-1.9.2-p0.tar.gz

cd ruby-1.9.2-p0

./configure

make

make install

ruby -v

2.安装zlib

sudo apt-get install zlib1g-dev（在ubuntu下包名已经变了）

find / -name "zlib"cd /tmp/ruby-1.9.2-p0/ext/zlibruby extconf.rbmake && make install

3.安装 rails
gem install railsrails -v4.安装 mongrel
gem install mongrel