Richard Parmiter

Netscaler cannot boot with message “Can’t load Kernel” after failed firmware upgrade

RP — Wed, 16 Jan 2013 19:16:03 +0000

Came across this tricky problem today at a client site with some old and unsupported Netscaler devices. Customer had a failed Netscaler 7000 appliance in an HA pair and got it replaced by Citrix. However, their working Netscaler was running version 8.1 build 56.11 and they wanted to downgrade the firmware on the new appliance [...]

Add VMs to vCenter from an unknown datastore

RP — Wed, 17 Oct 2012 14:52:49 +0000

Sometimes it may be required to add VMs to vCenter from a recovered or new datastore. This can be performed manually by adding a new VM and browsing the datastore to attach the disk from the .vmdk file or adding the .vmx files. However, for datastores that contain many virtual machines, this is laborious and [...]

Determine vCenter display name from within the VM

RP — Wed, 17 Oct 2012 14:42:33 +0000

There may be situations where you want to determine the vCenter diaply name for a VM from within the OS of the VM. This could be useful if cloning multiple virtual desktops from a syspreped template to enable the option to set the machine name to be the same as the vCenter display name. It [...]

Citrix Recevier for iPad shows “Error” but Reciever for Android works

RP — Tue, 21 Feb 2012 22:20:45 +0000

Came across this interesting problem today. Users connecting to a XenApp deployment via a Netscaler 9.3 & CAG Enterprise Edition using the Citrix receiver for iPad and Android. Web Interface for Netscaler was used to provide the XenApp services site. The Android receiver worked as expected but the iPhone/iPad receiver did not enumerate the apps. [...]

Impersonate other browsers with Chrome

RP — Thu, 16 Feb 2012 09:39:49 +0000

When testing access scenarios it is useful to impersonate other browers such as Safari or Mobile Safari from a Windows PC. This can be done with Chrome using the following syntax when launching the app. This example impersonates the mobile safari browser on an iPhone. chrome.exe --user-agent="Mozilla/5.0 (iPhone; U; CPU like Mac OS X; en) AppleWebKit/420+ (KHTML, like Gecko) Version/3.0 Mobile/1A543 Safari/419.3" There are many "user-agent" strings that can be added to this syntax and a google search should discover the correct one required.