How to Upgrade from Debian 10 to Debian 12: A Comprehensive Guide

Name: LinuxPatch
Rating: 4.9 (146 reviews)
Author: LinuxPatch

Summary

Upgrading to Debian 12 (Bookworm) offers numerous advantages:

Before starting the upgrade process:

Update existing packages:
```
sudo apt update && sudo apt upgrade -y
```
Edit the APT sources list:
```
sudo nano /etc/apt/sources.list
```
Replace all instances of "buster" with "bullseye"
Update package information:
```
sudo apt update
```
Perform a minimal upgrade:
```
sudo apt upgrade --without-new-pkgs
```
Upgrade the entire system:
```
sudo apt full-upgrade -y
```
Reboot the system:
```
sudo reboot
```
Verify the upgrade:
```
lsb_release -a
```

Update existing packages:
```
sudo apt update && sudo apt upgrade -y
```
Edit the APT sources list:
```
sudo nano /etc/apt/sources.list
```
Replace all instances of "bullseye" with "bookworm"
Update package information:
```
sudo apt update
```
Perform a minimal upgrade:
```
sudo apt upgrade --without-new-pkgs
```
Upgrade the entire system:
```
sudo apt full-upgrade -y
```
Reboot the system:
```
sudo reboot
```
Verify the upgrade:
```
lsb_release -a
```

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