Apache's ProxyPass on Ubuntu

1. Install apache2. On Ubuntu type:
   

    # apt-get install apache2

2. Activate mod_proxy:
   

    # a2enmod proxy

3. Create a new file in /etc/apache2/sites-available, named metak (or whatever):
   

   NameVirtualHost *
   <Virtualhost *>
     DocumentRoot "/var/www/metak"
     ServerName localhost
     ServerAdmin support@mycompany.com
     DirectoryIndex index.html index.phpProxyRequests On
     ProxyPreserveHost On
     ProxyVia full
   
     <proxy>
       Order deny,allow
       Allow from all
     </proxy>
   
     ProxyPass        /  http://www.metak.com
     ProxyPassReverse /  http://www.metak.com
   </Virtualhost>

4. Enable the new site and restart apache2:
   

   # a2ensite metak
   # /etc/init.d/apache2 reload

 

Ruby tricks

A short little method that helps find methods up the class latter:

class Object
  def my_methods
    self.class.ancestors.each {|anc|
      puts "#{anc}:"
      p anc.instance_methods(false)
      puts
    }
  end
end

5.times.my_methods

It was copied from Stupid easy Ruby tricks

 

Recursive recovery of MySQL databases

On Red Hat Enterprise MySQL is recovered with these commands:

cd /var/lib/mysql
find . -name "*.MYI" -exec myisamchk -r '{}' \;