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Online resources

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Quick start instructions

Based on the Quick Start instructions


Login

Login to the Web Dashboard
    (setting the Domain field should be set domain to 'ed')
   

Register a SSH key

If you already have a SSH key of your own you can upload it.


Create an SSH Key Pair
    (or upload the public part of an existing key)    Launch an Instance
    (select instances)
    (launch instance)
        Details             Name  'one'
                            Zone  'nova'
        Source              Boot  'image'
                            Image 'Centos7'
        Flavour             + m1.small
        Network             + VM Network Private
        Security            default
        SSH key             + mykey
        Custom              -------
        Server group        -------
        Scheduler           -------
        Metadata            -------
        Create instance
    Action
        Associate floating IP
            Select IP address [+]
                Pool
               


Create an instance

Launch an instance, by selecting 'Instances' in the left hand navigation, and then select the 'Launch Instance' button on the right.


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Details panel

  • Give you VM a name
  • Select 'nova' as the zone
  • Set count to 1

Source panel

Select 'Boot Image' from the source drop down.

Add the image you want to use, e.g. Centos7, by clicking on the plus sign.

Flavour panel

Add the 'flavour' (size) of VM you want by clicking on the plus sign. Note - free accounts are only allowed t1.tiny.

Network panel

Add the network that you want the VM to be connected to. For internal use, select 'VM Network Private'

Network Ports

Leave this panel unchanged

Security panel

Check the VM is in the 'Default security group'

Key Pair panel

Add your ssh key to your VM, by clicking on the plus sign.

Configuration

Leave this panel unchanged

Server groups

Leave this panel unchanged

Scheduler

Leave this panel unchanged

Metadata

Leave this panel unchanged

Create the VM

Click on the big blue 'Launch Instance' button to launch your VM instance.

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Configure network

To configure the network connection, select 'Associate floating IP' from the 'Actions list for your VM instance.

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Click on the plus sign to allocate a new IP address for your VM instance to use.

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Select 'Floating Network Private (UoE access only)
                >> Associate IP
                ....
                >> Associate
        SSH login
            ssh centos@172.16.49.73' as the pool, and then click the big blue 'Allocate IP' button.

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Finally, click the big blue 'Associate' button to associate the allocated IP address with your VM instance.

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Login

You should now be able to login to your VM instance via ssh.

Note - the user name is derived from the OS name of the image, so for a Centos7 image, login as 'cenos', for a Ubuntu-16 image login as 'ubuntu'.

    ssh centos@172.16.49.33

Configure DNS

By default the DNS settings in the VM are not set correctly

Execute the following commands to reapir the settings.





#---------------------------------------------------------------------
# Fix the DNS servers (NOT permanent)
#[root@virtual]

    cat > /etc/resolv.conf << EOF
    search roe.ac.uk
    nameserver 129.215.166.13
    nameserver 129.215.70.239
    EOF


#---------------------------------------------------------------------
# Update the system.
#[root@virtual]

    yum update -y



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