H-Sphere Sysadmin Guide

Preparing a Box for H-Sphere VPS Host Installation

 

Related Docs:  

FreeVPS Docs

For more information on VPS, please contact vps@psoft.net.

 

Supported OS

H-Sphere VPS is installed on a dedicated box not to intefere with H-Sphere services with one of the following OS installed:

  • Red Hat Linux release 7.3
  • Red Hat Enterprise Linux release 3, CentOS 3.x, and White Box Enterprise Linux release 3
  • (HS VPS 1.4-4+ and H-Sphere 2.5 RC 2+) Red Hat Enterprise Linux release 4, CentOS 4.x, and White Box Enterprise Linux release 4

We do not support H-Sphere VPS on other operating systems.

 

VPS OS

In H-Sphere VPS 1.4-x and up, there is a possibiliy to choose a preferred OS of future virtual servers different from that of the host, according to the compatibility table:

Hosts OS Available virtual server OS(s)
WBEL4 WBEL4, RHEL4, CentOS4
CentOS4 CentOS4, RHEL4, WBEL4
RHEL4 RHEL4, CentOS4, WBEL4
RHEL3 RHEL3, CentOS3, WBEL3
CentOS3 CentOS3, RHEL3, WBEL3
WBEL3 WBEL3, RHEL3, CentOS3
RH73 RH73
TRUSTIX22 TRUSTIX22

where

WBEL4 - White Box Enterprise Linux release 4
WBEL3 - White Box Enterprise Linux release 3
CentOS4 - CentOS release 4.x
CentOS3 - CentOS release 3.x
RHEL4 - Red Hat Enterprise Linux AS/ES/WS release 4
RHEL3 - Red Hat Enterprise Linux AS/ES/WS release 3
RH73 - Red Hat Linux release 7.3
TRUSTIX22 - Trustix Secure Linux release 2.2

 

Hardware Requirements

Hardware requirements for H-Sphere VPS are the same as for a standalone FreeVPS installation.

 

Recommended Partitioning

For better perfomance, we recommend to divide your H-Sphere FreeVPS box in three partitions for:

  • VPS servers with at least 500 MB for each minimal and 1 GB for each complete (all VPS templates installed) VPS installation.
  • VPS OS distributives (since VPS installation requires its OS distributives to be stored on the VPS host) with at least 2 GB for each OS you are going to support.
  • VPS backups with at least 30-40% of disk space allocated for each VSP server.

 

SELinux Must Be Off

(RedHat Enterprise Linux 4, CentOS 4 and up, and White Box Enterprise Linux 4 only)

Before VPS installation, make sure SELinux is off on the host server.

To check SELinux status, run:

selinuxenabled && echo $?

If as a result of this command you receive 0, SELinux is enabled. No result means that SELinux is off.

To disable SELinux, set the following option in /etc/selinux/config:

SELINUX=disabled

This will turn off SELinux after reboot. To disable SELinux immediately, type:

setenforce 0

 


Related Docs:  

FreeVPS Docs



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