webserver troubleshooting.

DNS pointed to server? load memory Port available Apache listening? max clients Vhost enabled? Does the document root point to the location of your files? Is your web server serving the correct index files? Are the permissions and ownership of the file and directory structures correct? Are you restricting access through your configuration files? Denied…

Adding Auto Scale with Rackspace Cloud Monitoring Aerts.

Why Add Auto Scaling to Cloud Monitoring Alerts? Autoscaling can allow you continue to reach your intended audience even after your Webserver infrastructure has a abnormally large amount of traffic, and could be causing performance issues. Automatically having one, two, or three extra servers will help keep your website up and running until your traffic,…

How to setup NFS with master and slaves.

Why use NFS? NFS is usually our best method for sharing web content in the quickest fashion amongst web servers without complicating things. Although it presents a single point of failure, it scales well when adding additional web heads. This should probably be used when customers applications aren’t built for a multi server environment. Configuring…

Install AutoFS

Install autofs and enable it on boot        Ubuntu                    RHEL/CentOS apt-get install autofs      / yum install autofs update-rc.d autofs defaults / chkconfig autofs on There are only 2 files that need to be edited. Keep in mind that any changes done will require a restart of autofs. You first need to tell autofs where to listen…