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System Preparation

Install CentOS

The first thing that is required is a CentOS machine - this can be physical or virtual.

  1. Install the operating system via usual mechanism (e.g., net boot CD, ISO in VMware/VirtualBox or the DVD image).
  2. Choose the following server install options: "Basic server”.
  3. Create/choose a secure root password and an initial system user account.
  4. Once installed, make sure you run a yum makecache and yum update to ensure your system is fully up to date.

Tip

We would recommend using LVM when disk partitioning to allow easier partition/disk expansion on a live system.

Warning

After install, you will want to secure/lockdown the server as best practice dictates - for both the server and any extra software installed. This is beyond the remit of this guide but there are many guides available that provide information on how to secure your CentOS servers and applications.

Configure CentOS

Next, there are a few CentOS configuration options that need to be set in advance.

Networking configuration

For production deployments, it is recommended that the machine be assigned a static IP address.

For CentOS networking information please refer to the official Red Hat guide:

CentOS 6
https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/6/html/deployment_guide/part-networking
CentOS 7
https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/7/html/networking_guide/index

Firewall configuration

The following ports are required to be accessible from the outside world, both in the local firewall and in any external firewalls:

  • 2083/tcp (for RadSec connections to other Moonshot entities)
  • 12309/tcp (for Trust Router client connections - if using the Trust Router to broker trust relationships between entities)

Here are sample firewall rules that establish incoming and outgoing rules to both the Test and Live (Jisc Assent) Moonshot trust router infrastructures. If you connect to another Trust Router, adjust these rules to suit:

IP Tables sample firewall rules (Jisc Assent)

-A INPUT -m state --state NEW,ESTABLISHED,RELATED -m tcp -p tcp -s 0/0 --dst <IdP/RP Proxy IP address> --dport 2083 -j ACCEPT
-A OUTPUT -m state --state NEW,ESTABLISHED,RELATED -m tcp -p tcp -s <IdP/RP Proxy IP address> --dst 0/0 --dport 2083 -j ACCEPT
 -A INPUT -m state --state NEW,ESTABLISHED,RELATED -m tcp -p tcp -s 212.219.179.130,212.219.179.131,212.219.179.138,212.219.179.146 --dst <IdP/RP Proxy IP address> --dport 12309 -j ACCEPT
-A OUTPUT -m state --state NEW,ESTABLISHED,RELATED -m tcp -p tcp -s <IdP/RP Proxy IP address> --dst 212.219.179.130,212.219.179.131,212.219.179.138,212.219.179.146 --dport 12309 -j ACCEPT

IP Tables sample firewall rules (Test Network)

-A INPUT -m state --state NEW,ESTABLISHED,RELATED -m tcp -p tcp -s 0/0 --dst <IdP/RP Proxy IP address> --dport 2083 -j ACCEPT
-A OUTPUT -m state --state NEW,ESTABLISHED,RELATED -m tcp -p tcp -s <IdP/RP Proxy IP address> --dst 0/0 --dport 2083 -j ACCEPT
-A INPUT -m state --state NEW,ESTABLISHED,RELATED -m tcp -p tcp -s 13.79.134.211,13.79.128.103,52.169.31.104 --dst <IdP/RP Proxy IP address> --dport 12309 -j ACCEPT
-A OUTPUT -m state --state NEW,ESTABLISHED,RELATED -m tcp -p tcp -s <IdP/RP Proxy IP address> --dst 13.79.134.211,13.79.128.103,52.169.31.104 --dport 12309 -j ACCEPT

Add the Required Repositories

Supported versions

At the moment, CentOS/RHEL/SL 6 and 7 are supported.

Moonshot requires three yum repositories to be added to the system - EPEL and the Shibboleth repositories (home of some required dependencies), and the Moonshot repository itself.

  1. Install EPEL by running the following command:

    yum install epel-release

    Depending on your platform, the epel-release package is part of one of the optional repositories.

    On CentOS, it is part of the Extras repository. On RHEL, you must enable both the Optional and Extras repositories. For more information, visit the EPEL homepage.

    On newer releases of Scientific Linux 7, the epel-release package does not exist. Use yum install yum-conf-epel instead. For more information, see the Scientific Linux 7.2 release notes.

  2. Install the Moonshot repository information running one of the the following commands depending on your CentOS version:

    CentOS 6
    yum install -y https://repository.project-moonshot.org/rpms/moonshot-repository.centos6.rpm
    CentOS 7
    yum install -y https://repository.project-moonshot.org/rpms/moonshot-repository.centos7.rpm
  3. This installs the Yum repository, the current Moonshot GPG key, and a package that can update both. This is the preferred method of deploying repository information.

    Verifying the Moonshot GPG key

    If you wish to verify the Moonshot GPG key's validity and integrity, please see the Packaging GPG Key for further details.

  4. Install the official Shibboleth repository using one of the following commands, according to your CentOS version:. 

    CentOS 6
    curl -o /etc/yum.repos.d/shibboleth.repo http://download.opensuse.org/repositories/security:/shibboleth/CentOS_CentOS-6/security:shibboleth.repo
    CentOS 7
    curl -o /etc/yum.repos.d/shibboleth.repo http://download.opensuse.org/repositories/security://shibboleth/CentOS_7/security:shibboleth.repo


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