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Sometimes it comes in handy to manage your XenServer via command line. Maybe you just want to perform some of the xsconsole functions. Here are some options:

From a Mac:

1. Navigate to Applications > Utilities > Terminal
2. use the ssh command to get to your XenServer. lets try an example where we are connecting with teh default root account on a host called xenserver-phx01 and password is MyPassword1

ssh -l root xenserver-phx01

You can aso specify a port if you were to change the default ssh port from the default of 22

ssh -l root xenserver-phx01 -p 8080

Here is a screen shot of the mac terminal accessing a XenServer

of course you can also run the xsconsole to get the Text UI:

The same commands apply to a connection from a linux machine.

Here are some screen shots from a windows machine using putty.

If you have many machines to administer among difference connection types Felix Deimel from mRemote.org (merged with VisionApp) has a cool tool called mRemote that you can use as well.

You can use the configuration console to enter the address, port username etc for connection.

Happy SSH’ing!


Firewalls and IPS put in wrong place on networks

The rising tide of distributed denial of service attacks (DDoS) is being made much worse by a tendency to mis-deploy firewalls and intrusion prevention systems (IPS) in front of servers, a report by Arbor Networks has found.

It’s been almost 4 months since I mentioned in my last blog to “stay tuned” for the Cisco Validated Design guide (CVD) for Cisco UCS with XenDesktop on Hyper-V and trust me, we have been busy testing at the Cisco labs since then. Well, I am glad to share with you that the CVD is now released and available here.  The report provides XenDesktop validation results and configuration details on Hyper-V for the Cisco UCS B250-M2 blades with 192GB RAM.  

As part of our testing, we successfully achieved linear scalability of one to sixteen blades by placing 110 Windows 7 virtual desktops with 1.5GB RAM on a single UCS blade, then 880 desktops on 8 UCS blades, and finally 1760 desktops on 16 UCS B250-M2 blades while keeping the user response time the same and very acceptable. The density numbers are really impressive obviously due to the large amount of memory in the blades.

To review all three CVDs (XenServer, Hyper-V and vSphere), please refer to the Cisco Validated Design Guides here.

Bhumik Patel

Principal Consultant, WW Consulting Solutions

Twitter: @bhumikp

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