You want to upgrade your OS manually and have a debian like system
If a new version is released, on ubuntu and kubuntu the update manager will notify you via an upgrade notification pop-up bubble. To upgrade, click the Upgrade button, and follow the instructions. On Debian you need to manually upgrade. The first thing to find out is the codename for the next version of the OS (in case of ubuntu and kubuntu this is something like Warty, Hoary, Breezy, and Dapper. For debian it is something like sarge, lenny, sid, ...). Now open /etc/apt/sources.list, and replace the word e.g. "sarge" with the new codeword.
Now you can run the command:
sudo apt-get updates
This command updated your package list. To upgrade the system you use:
sudo apt-get dist-upgrade
You are asked if you wish to continue. Press Y, and then press Enter to continue. Your entire system is now upgraded. Please note that on debian you do not need to use the sudo in front of the commands, you just run these commands as root.
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About the Author
Author: Wim Peeters - Keskon GmbH & Co. KG
Wim Peeters is electronics engineer with an additional master in IT and over 30 years of experience, including time spent in support, development, consulting, training and database administration. Wim has worked with SQL Server since version 6.5. He has developed in C/C++, Java and C# on Windows and Linux. He writes knowledge base articles to solve IT problems and publishes them on the Lubby Knowledge Platform.