To upgrade Wanguard and Wansight to version 8.2, please follow the steps listed below, in the presented order:

1. If you're running CentOS 8, upgrade it to Rocky 8 or AlmaLinux 8. CentOS 8 has reached End Of Life and it's no longer supported
2. Login in to the web interface, go to Configuration » Components and stop all components
3. Logout from the web interface by selecting your user menu from the top-right part of the window
4. Stop the WANsupervisor service on all servers:

   service WANsupervisor stop
   

5. If you're using PF_RING as Capture Engine, update it to PF_RING 8.2
6. If you're using Netmap as Capture Engine, update it to a git version from around November 2022
7. If you're using DPDK as Capture Engine, update it to version 22.11. Note that DPDK works only on Ubuntu 18, Ubuntu 20, Ubuntu 22, Debian 10, Debian 11, RHEL/Rocky/AlmaLinux 8 and 9
8. Upgrade the software packages starting with the Console server. The Linux distribution should not be upgraded at this point (e.g. Ubuntu 18 to 20).
   On CentOS/RHEL/Rocky/AlmaLinux servers, upgrade the packages with:

   yum upgrade

   On Debian/Ubuntu servers, upgrade the packages with:

   apt-get update; apt-get dist-upgrade

   Make sure the software is upgraded on all servers, not just on the Console server. It is very important to run the same software version everywhere.
9. Start the WANsupervisor service on all servers:

   service WANsupervisor start

10. Log in to the web interface and start the components from Configuration » Components
11. Review the new release note(s)

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