ubuntu16.04 wants to upgrade to ubuntu18.04 system, how to upgrade? Let’s take a look at the detailed tutorial below.
1. First update Ubuntu16.04. Open the terminal and enter: sudo apt-get update
2. Enter the account password for authorization.
3. Enter: sudo apt-get dist-upgrade
4. You need to download the decompression authorization, enter Y, and confirm execution.
5. Enter: sudo apt-get autoremove
6. Enter y to confirm execution.
7. Enter: sudo apt-get install update-manager-core
8. Enter: sudo nano /etc/update-manager/release-upgrades, confirm that the prompt line is set to lts
9. Enter the command: sudo do-release-upgrade -d. When the upgrade prompt appears, enter y to confirm execution.
10. After the software package download and installation are completed, you will be prompted to restart. The upgrade is completed after restarting.
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