How to setup a Mongrel Cluster?07.12.13

1. install ruby-dev
sudo apt-get install ruby1.8-dev

2. install mongrel
sudo gem install -y mongrel

3. install mongrelcluster
sudo gem install -y mongrel_cluster

4. create the cluster configuratin file
mongrel_rails cluster::configure -p 8000 -N 3 -c /home/veto/awww/myapp

5. Test Mongrel cluster
mongrel_rails cluster::start
mongrel_rails cluster::stop

6. Create a etc cluster config directory
sudo mkdir /etc/mongrel_cluster

7. Copy the mongelcluster startup script to init.d folder

cp /path_tocluster/resources/mongrel_cluster  /etc/init.d/

8. Setup rights to that script
sudo chmod +x /etc/init.d/mongrel_cluster

9. install the script for bootstartup (debian)
/usr/sbin/update-rc.d -f mongrel_cluster defaults

10.Change the shebang line (the first line) of the mongrel_cluster_ctl to:
#!/usr/local/bin ruby

11. Link your app config file to the etc config folder
ln -s /myapp/config/mongrel_cluster.yml /etc/mongrel_cluster/testapp.yml

12 .Create a mongrel user(debian)
adduser --system --group --no-create-home mongrel

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