How to Apply Updates through Command Line Interface (CLI) on Citrix XenServer 6.x

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Article Summary: This article provides information on how to apply updates through command line interface (CLI) on Citrix XenServer 6.x.

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• Ensure you have a valid and tested backup of your host
• If the host belongs to a pool, ensure you update the master host first
• Download and unzip the hotfix on your workstation
• Use your host console or SSH :
  • Live migrate all VMs off host or ensure all VMs are powered off on host :
    • # xe host-evacuate
  • If host belongs to a pool, disable HA on the pool :
  • # xe pool-ha-disable
  • # xe host-disable
  • # mkdir /root/backupdatabase
  • # xe pool-dump-database file-name=/root/backupdatabase/olddatabase
  • # mkdir /root/updates
  • Put host in maintenance mode :
  • Backup pool database :
  • Prepare for updates :
• Transfer the .xsupdate and the .tar.gz2 files using SCP from your workstation to the '/root/updates' directory on the server
• Apply updates via host console or SSH :
• # xe patch-upload file-name=/root/updates/<hotfixfilename.xsupdate>
• A UUID for the patch will be displayed
• Notate the UUID
• # xe patch-apply uuid=<UUID>
• # xe patch-list
• # reboot
• Verify patch installation :
• Reboot server :

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