Could not determine the upgrade An unresolvable problem occurred while calculating the upgrade.
时间: 2024-04-10 14:27:25 浏览: 20
If you encounter the error message "Could not determine the upgrade" while trying to upgrade Ubuntu from 18.04 to 22.04, there could be a few potential reasons for this issue. Here are some possible solutions:
1. Make sure your current Ubuntu 18.04 installation is up to date. Run the following commands to update your system:
```
sudo apt update
sudo apt upgrade
```
2. Check if you have any third-party repositories or PPAs enabled. Disable or remove them temporarily, as they may cause conflicts during the upgrade process. You can use the "Software & Updates" application or manually edit the `/etc/apt/sources.list` file to disable them.
3. Ensure that you have enough free disk space on your system. The upgrade process requires additional space for downloading and installing packages. You can check the available disk space by running the command:
```
df -h
```
4. Try running the upgrade command with the "--check-dist-upgrade-only" option, which performs a dry-run of the upgrade and checks for any issues without actually initiating the upgrade process. Run the following command:
```
sudo do-release-upgrade --check-dist-upgrade-only
```
5. If none of the above solutions work, you can try manually editing the release-upgrades configuration file. Open the file `/etc/update-manager/release-upgrades` with a text editor, and change the value of "Prompt" from "lts" to "normal". Save the file and then run the upgrade command again:
```
sudo do-release-upgrade
```
If you still encounter issues, please provide any error messages or logs that you receive during the upgrade process for further assistance.