升级rails小记
以前装的是1.8.4 的ruby和1.1.6的rails

换了几个apt源都没有1.8.6的ruby包,只好下源码自己编译了
步骤如下
wget ftp://ftp.ruby-lang.org/pub/ruby/ruby-1.8.6.tar.gz
tar zxf ruby-1.8.6.tar.gz
cd ruby-1.8.6
./configure
make
make install

install zlibc, zlib1g, zlib1g-dev,

升级rubygem
wget http://rubyforge.org/frs/download.php/17190/rubygems-0.9.2.tgz
tar zxf rubygems-0.9.2.tgz
cd rubygems
ruby setup.rb

最后更新rails
gem?install?rails?--include-dependencies?
?