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Many of you asked me which type of access you have to the virtual servers on EZstack.

In addition to the web interface,  you can access your dedicated virtual servers through ssh. In fact you have root - or super-user - access to the virtual servers, but you won't be able to modify the operating system:

# touch /usr/foo
  touch: /usr/foo cannot create

Many of the directories of your virtual servers are actually shared in read-only mode with the underlying operating system. Here is a list of directories that you can not modify:

• /usr
• /lib
  
• /bin
• /sbin
  
• /platform

This sharing mechanism reduces the disk space required for each virtual server. In fact on EZstack by sharing these directories and using other optimization from ZFS to save disk space, we got the storage footprint of a virtual server dedicated to Apache to less than 8MBytes - and you still have your own copy of AMP.

Apache and MySQL are both installed in /opt/coolstack, and the /opt directory  is not shared with the underlying OS, so in /opt you can make any modification you'd like,  it will be only visible/available to you.

In fact, installing additional software or applications, /opt should be your preferred directory.