How I upgraded and reverted Proxmox from 6 to 7 to 6 with UEFI boot and GRUB

OneMarcFifty • October 31, 2022

OneMarcFifty

About

THE PLACE FOR DIGITAL DIY if you are an enthusiast of Digital DIY then this is your place. #openwrt #kalilinux #docker #esp8266 #esp32 #linux #proxmox #virtualbox #wifi Marc on patreon: https://www.patreon.com/onemarcfifty My youtube channel: https://www.youtube.com/onemarcfifty Marc on Twitter: https://twitter.com/onemarcfifty Marc on Facebook: https://www.facebook.com/onemarcfifty/ Marc on Reddit: https://www.reddit.com/user/onemarcfifty Chat with me on Discord: https://discord.com/invite/DXnfBUG nano_1y43u3kre5auwthu3ktbw3j4xh6itfbyrqr5wxtm6s4hyrtg3xrpoqf8tt91

How I upgraded and reverted Proxmox from 6 to 7 to 6 with UEFI boot and GRUB

OneMarcFifty

About

Latest Posts

Kali Linux Virtual Machine - HyperV vs VirtualBox vs Proxmox - VM Networks

CHEAP WI-FI MESH ALTERNATIVE with fast roaming OpenWrt Wi-Fi Access points

You May Also Like

Essential Proxmox Upgrade Tools

Firewall Mini PC N100 Fanless Pocket Computer 2x2.5G I226-V Micro Router Appliance, AES-NI, HDMI DP Support Dual 4K Proxmox Server, 32GB RAM 1TB SSD

Fanless Mini PC 12th Gen Alder Lake-N N100 Firewall Mini PC Router 4 * i226-V 2.5G LAN, 1 * RJ45 COM, 16GB DDR5 128GB NVMe, Proxmox OPNsense

Intel Core i9-12900KF Desktop Processor 16 (8P+8E) Cores up to 5.2 GHz Unlocked LGA1700 600 Series Chipset 125W

Dell Inspiron 3030 Desktop - Intel Core i7-14700 Processor, 16GB DDR5 RAM, 1TB SSD, Intel UHD 770 Graphics, Windows 11 Pro, Onsite &amp; Migrate Service - Mist Blue

BOSGAME Fanless Mini PC Support Win 10 Pro, Intel Celeron N4020 Processor 4GB DDR4 64GB eMMC, Ultra Quiet Small Desktop Computer for Business Home Office, Dual Band Wi-Fi 5, Gigabit Ethernet 4K UHD

acer Aspire Go 15 AG15-31P-31C1-CA, 15.6&quot; FHD, Intel Core i3-N305 Processor, 8GB DDR5, 512GB SSD, Windows 11

Samsung 990 EVO Plus - 4TB PCIe Gen4. X4, Gen5. X2 NVMe 2.0 - M.2 Internal SSD, Speed Up to 7,250 MBs, Upgrade Storage for PC-Laptops, HMB Technology and Intelligent Turbowrite (MZ-V9S4T0B/AM)

SAMSUNG 870 EVO SATA SSD 500GB 2.5” Internal Solid State Drive, Upgrade PC or Laptop Memory and Storage for IT Pros, Creators, Everyday Users, MZ-77E500B/AM [Canada Version]

SAMSUNG 870 EVO SATA III SSD 4TB 2.5” Internal Solid State Drive, Upgrade PC or Laptop Memory and Storage for IT Pros, Creators, Everyday Users, MZ-77E4T0B/AM [Canada Version]

SAMSUNG 990 PRO SSD 4TB PCIe Gen4 NVMe M.2 Internal Solid State Hard Drive, Up to 7,450MB/s, Heat Control, Direct Storage and Memory Expansion, MZ-V9P4T0B/AM [Canada Version]

Beelink EQR5 Mini PC, AMD Ryzen 5 5650U(7nm, 6C/12T) up to 4.2GHz, Mini Computer 32GB DDR4 RAM 1TB PCIe3.0x4 SSD, Micro PC 4K@60Hz Dual HDMI Display/WiFi6/BT5.2/Office/Home/HTPC/W-11 Pro

BOSGAME Mini PC Intel Core i5 12600H(12C/16T, up 4.5GHz), 32GB DDR4 RAM 512GB PCIe SSD, Mini Desktop Computers Dual LAN/4x USB3.2/WiFi6E/BT5.2/HDMI+DP+USB-C/4K Triple Display

Beelink Mini PC, AMD Ryzen 7 5825U(6nm, 8C/16T) up to 4.5GHz, Mini Computer 32GB DDR4 RAM 500GB PCIe3.0x4 SSD, Micro PC 4K@60Hz Dual HDMI Display/WiFi6/BT5.2/Office/Home/HTPC/W-11 Pro

M9 Plus Mini PC with 2.1&quot; Display, Intel Core i9-12900HK (14C/20T 5.0GHz), 32GB DDR4 RAM + 1TB NVMe SSD, Mini Desktop Computer, Compact Desktop Triple 4K Display, WiFi6, BT5.2, USB-C

OWC 64GB DDR5 4800 PC5-38400 CL40 2Rx4 288-pin 1.1V ECC Registered RDIMM Memory RAM Module Upgrade Compatible with Dell PowerEdge R660XS R760XS

OWC 64GB DDR5 4800 PC5-38400 CL40 2Rx4 288-pin 1.1V ECC Registered RDIMM Memory RAM Module Upgrade Compatible with Dell PowerEdge XE9680

OWC 64GB DDR5 4800 PC5-38400 CL40 2Rx4 288-pin 1.1V ECC Registered RDIMM Memory RAM Module Upgrade Compatible with Dell PowerEdge R6625 R760 R7615 R7625

OWC 64GB DDR5 4800 PC5-38400 CL40 2Rx4 288-pin 1.1V ECC Registered RDIMM Memory RAM Module Upgrade Compatible with Dell PowerEdge HS5610 HS5620

Spigen Thin Fit MagFit Compatible with iPhone 17 Pro Case - Black ClimatePartner certified

NIDOO Laptop Sleeve 15.6 inch Computer Bag for 15.6&quot; Lenovo Legion 5 / Legion Slim 7 / ThinkPad T15 E15 / 16&quot; Legion 7i / Legion 5 Pro/IdeaPad 3i / 16.1&quot; Gaming 16 / Acer Dell Carrying Case, Black

FNTCASE for Samsung Galaxy S25 Case: for Samsung Galaxy S24 Case Military Grade Drop Proof Protection Mobile Cover with Kickstand | Matte Rugged Shockproof Protective Sturdy Phone Case - Black Global Recycled Standard

Samsung Galaxy S25 Ultra Kindsuit Case - Black (CAD Version &amp; Warranty)

Corsair RM1000e Fully Modular Low-Noise ATX Power Supply - Dual EPS12V Connectors - 105°C-Rated Capacitors - 80 Plus Gold Efficiency - Modern Standby Support - Black

Corsair RM1200x Shift Fully Modular ATX Power Supply - Modular Side Interface - ATX 3.1 &amp; PCIe 5.1 Compliant - Zero RPM Fan Mode - 105°C-Rated Capacitors - 80 Plus Gold Efficiency - Black, 1200W

Corsair RM1200e (2023) Fully Modular Low-Noise ATX Power Supply with 12V-2x6 Cable – ATX 3.1 &amp; PCIe 5.1 Compliant, Cybenetics Platinum Efficiency, 105°C-Rated Capacitors, Modern Standby Mode – Black

Corsair HX1200i (2025) Fully Modular Ultra-Low Noise ATX Power Supply with 12V-2x6 Cable – ATX 3.1 &amp; PCIe 5.1 Compliant, Cybenetics Platinum Efficiency, Fluid Dynamic Bearing Fan – Black

Dell External Mini Cable - SAS External Cable - 3.3 ft - for PowerVault MD1200, MD1220, MD3200i 330-6050

DCNETWORK iPhone 4s Cable USB Sync and Charging Cable for iPhone 4 4s 3G 3GS iPad 1 2 3 iPod Touch Nano 30 Pin Charger Cord Dock Adapter Data 3.3 Feet (White)

Seagate Portable 4TB External Hard Drive HDD – USB 3.0 for PC, Mac, Xbox, &amp; PS4 - 1-Year Rescue Service (STGX4000400)

Seagate Game Drive 4TB External Hard Drive Portable HDD - Compatible With PS4 (STGD4000400) blue

BOSGAME Linux Mini PC, Intel 12th N100 16GB DDR4 RAM 512GB SSD Linux Server Computers Preinstalled Ubuntu 22.04,Support 4K Triple Display/USB3.2/WiFi 5/2.5GbE

Loading...

Dell Inspiron 3030 Desktop - Intel Core i7-14700 Processor, 16GB DDR5 RAM, 1TB SSD, Intel UHD 770 Graphics, Windows 11 Pro, Onsite & Migrate Service - Mist Blue

acer Aspire Go 15 AG15-31P-31C1-CA, 15.6" FHD, Intel Core i3-N305 Processor, 8GB DDR5, 512GB SSD, Windows 11

M9 Plus Mini PC with 2.1" Display, Intel Core i9-12900HK (14C/20T 5.0GHz), 32GB DDR4 RAM + 1TB NVMe SSD, Mini Desktop Computer, Compact Desktop Triple 4K Display, WiFi6, BT5.2, USB-C

NIDOO Laptop Sleeve 15.6 inch Computer Bag for 15.6" Lenovo Legion 5 / Legion Slim 7 / ThinkPad T15 E15 / 16" Legion 7i / Legion 5 Pro/IdeaPad 3i / 16.1" Gaming 16 / Acer Dell Carrying Case, Black

Samsung Galaxy S25 Ultra Kindsuit Case - Black (CAD Version & Warranty)

Corsair RM1200x Shift Fully Modular ATX Power Supply - Modular Side Interface - ATX 3.1 & PCIe 5.1 Compliant - Zero RPM Fan Mode - 105°C-Rated Capacitors - 80 Plus Gold Efficiency - Black, 1200W

Corsair RM1200e (2023) Fully Modular Low-Noise ATX Power Supply with 12V-2x6 Cable – ATX 3.1 & PCIe 5.1 Compliant, Cybenetics Platinum Efficiency, 105°C-Rated Capacitors, Modern Standby Mode – Black

Corsair HX1200i (2025) Fully Modular Ultra-Low Noise ATX Power Supply with 12V-2x6 Cable – ATX 3.1 & PCIe 5.1 Compliant, Cybenetics Platinum Efficiency, Fluid Dynamic Bearing Fan – Black

Seagate Portable 4TB External Hard Drive HDD – USB 3.0 for PC, Mac, Xbox, & PS4 - 1-Year Rescue Service (STGX4000400)