How to Upgrade LMDE 4 to LMDE 5 Using the Upgrade Tool (Beta)
This guide explains how to install and run the beta Upgrade Tool to safely upgrade Linux Mint Debian Edition (LMDE) 4 to LMDE 5, including required package commands, graphical launch steps, post‑upgrade cleanup, and important precautions.
The new Upgrade Tool (beta) allows users to upgrade LMDE 4 to LMDE 5; it does not yet support the regular Ubuntu‑based Linux Mint releases.
Steps
Refresh the package cache and install the mintupgrade package:
apt update
apt install mintupgradeLaunch the graphical Upgrade Tool from the command line:
sudo mintupgradeFollow the on‑screen instructions in the graphical interface to complete the upgrade.
After a successful upgrade, remove the tool and reboot the system:
apt remove mintupgrade
sudo rebootPrecautions
If any issues arise, you can restore the system using Timeshift.
The tool can be re‑run at any point if it is closed prematurely.
Currently the tool only supports LMDE; support for regular Linux Mint will be added in the future.
Because the tool is in beta, it is recommended to use it on a secondary or test machine.
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