How to perform an Upgrade via Web GUI (ICX7150 Switch) https://community.ruckuswireless.com/t5/RUCKUS-Support-for-Lennar-Homes/How-to-perform-an-Upgrade-via-Web-GUI-ICX7150-Switch/m-p/48200#M2109
Ruckus Switch Firmware Upgrade Using USB https://support.n4l.co.nz/s/article/Ruckus-Switch-Firmware-Upgrade-Using-USB
HOW TO: Upgrade VMware ESXi 5.5 to ESXi 6.0 in 5 easy steps https://www.experts-exchange.com/articles/18819/HOW-TO-Upgrade-VMware-ESXi-5-5-to-ESXi-6-0-in-5-easy-steps.html
How to upgrade to VMware ESX 4.1 or VMware ESXi 4.1 using esxupdate Watch the video here: or download it from here.