(1)安装Rails
1)安装需要的Package
# yum -y install gcc
# yum -y install gcc-c++
# yum -y install zlib zlib-devel
# yum -y install readline readline-devel
# yum -y install openssl openssl-devel
最好是
#yum install gcc gcc-c++ openssl* readline* ncurses* zlib* libxml* libjpeg* libpng* libxslt* libtool*
2)安装Ruby
# cd /usr/local/src
# wget ftp://ftp.ruby-lang.org/pub/ruby/2.0/ruby-2.0.0-p247.tar.gz
# tar zxvf ruby-2.0.0-p247.tar.gz
# cd ruby-2.0.0-p247
# ./configure
# make
# make install
# ruby -v
3)更新Gem
# gem update --system
# gem -v
4)安装Rails
# gem install rdoc
# gem install rails
# rails -v
5)卸载Ruby
# cd /usr/local/src/ruby-2.0.0-p247
# cat .installed.list | xargs rm
常见问题
1)问题1(NoMethodError:openssl)
引用
# gem update --system
ERROR: Loading command: update (LoadError)
cannot load such file -- openssl
ERROR: While executing gem ... (NoMethodError)
undefined method `invoke_with_build_args' for nil:NilClass
# cd /usr/local/src/ruby-2.0.0-p247/ext/openssl/
# ruby extconf.rb
# make
# make install
2)问题2(NoMethodError:zlib)
引用
# gem update --system
ERROR: Loading command: update (LoadError)
cannot load such file -- zlib
ERROR: While executing gem ... (NoMethodError)
undefined method `invoke_with_build_args' for nil:NilClass
# cd /usr/local/src/ruby-2.0.0-p247/ext/zlib/
# ruby extconf.rb
# make
# make install
(2)Apache+Passenger
1)安装Passenger
# gem install passenger
2)安装Passenger的Apache模块
# passenger-install-apache2-module
缺什么装什么
# yum install gcc-c++
# yum install curl-devel
# yum install httpd-devel
# yum install apr-devel
# yum install apr-util-devel
如果是通过源码安装的Apache,会提示以下错误:
引用
* Checking for Apache 2 development headers...
Found: no
* Checking for Apache Portable Runtime (APR) development headers...
Found: no
* Checking for Apache Portable Runtime Utility (APU) development headers...
Found: no
引用
export APXS2=/usr/local/apache2/bin/apxs
export PATH=/usr/local/apache2/bin:$PATH
再次执行
# passenger-install-apache2-module
3)设置Apache
/etc/httpd/conf/httpd.conf
引用
#Passenger
LoadModule passenger_module /usr/local/lib/ruby/gems/2.0.0/gems/passenger-4.0.7/buildout/apache2/mod_passenger.so
PassengerRoot /usr/local/lib/ruby/gems/2.0.0/gems/passenger-4.0.7
PassengerDefaultRuby /usr/local/bin/ruby
/etc/httpd/conf.d/rails.conf
引用
<VirtualHost *:80>
ServerName localhost:80
DocumentRoot /var/www/rails/testapp/public
<Directory /var/www/rails/testapp/public>
AllowOverride all
Options -MultiViews
</Directory>
</VirtualHost>
4)创建Rails工程
# cd /var/www/rails
# rails new testapp
# bundle install
# yum install sqlite-devel
# cd testapp/
# bundle install
5)创建Scaffold
# rails g scaffold friend name:string address:string
# rake db:create RAILS_ENV=production
# rake db:migrate RAILS_ENV=production
# rake assets:precompile RAILS_ENV=production
6)启动服务
# setenforce 0
# /etc/init.d/httpd restart
http://localhost/friends
(3)Nginx+Unicorn
1)安装Nginx
# rpm -ivh http://nginx.org/packages/centos/6/noarch/RPMS/nginx-release-centos-6-0.el6.ngx.noarch.rpm
# yum install nginx
# /etc/init.d/nginx start
2)安装unicorn
# gem install unicorn
3)创建测试工程
省略,和以上步骤相同
4)设置Unicorn
# cd /var/www/rails/testapp/config/
# wget -O unicorn.rb https://raw.github.com/defunkt/unicorn/master/examples/unicorn.conf.rb
修改模板文件,并创建相应的文件夹
config/unicorn.rb
5)启动服务
# unicorn_rails -c config/unicorn.rb -E production -p 5000 -D
# /etc/init.d/nginx restart
http://localhost:5000/friends
6)设置Ngnix
/etc/nginx/nginx.conf
http://localhost/friends
常见问题
1)问题1(Could not find a JavaScript runtime.)
将CoffeeScript编译成JavaScript需要JavaScript的runtime,
不像Windows或Mac OS X 默认已经有Javascript引擎,Linux下需要安装。
# gem install execjs
# gem install therubyracer
实际是libv8,也可以安装nodejs。JRuby用户更多的使用therubyrhino
2)问题排查2(PassengerWatchdog: Permission denied.)
开启SELinux
# setenforce 0
3)问题排查3(SQLite3::ReadOnlyException:attempt to write a readonly database)
SQLite的数据库文件权限不足
# chmod 777 /db
# chmod 777 databasefilename
# chown user.user databasefilename
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