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This article mainly explains "how to update and upgrade the Ubuntu system manually". The content in the article is simple and clear, and it is easy to learn and understand. Please follow the editor's train of thought to study and learn "how to update and upgrade the Ubuntu system manually".

The Ubuntu system has its own automatic update and upgrade mechanism, but sometimes updates need to be performed manually. For example, if a software finds a vulnerability and needs to update the patch in time, but the prompt for automatic upgrade has not yet appeared, you need to manually perform the update upgrade to see if there are any updates available.

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Update and upgrade the graphical interface

1. Access the update settings of Ubuntu. On the left starter bar, click the system Settings icon of the Wrench Gear icon, start the system settings, click to open Software and updates, and then click the updates tab.

2. If you need to perform system updates manually: press the Win key on the keyboard, or click the Ubuntu logo icon above the left launcher bar to start Dash; and enter: update in the search box.

3. Dash will filter out the application of "software updater". Press enter and the software updater application will start and start checking for updates.

4. Depending on the state of the network, the update check will take some time. When the check is over, and there is something that needs to be updated, the system will prompt you in the form of a dialog box.

5. If you want to know about the projects you want to update and what changes they have, you can click on a project and expand the Technical Notes at the bottom of the dialog box.

Click "install now" to start the update process. In most cases, the update requires the entry of a user password.

7. The download and installation process of the update begins. In the meantime, you can expand "details" and keep an eye on the download and installation progress.

8. After the update is installed, the system may need to be restarted depending on the situation; if it is not a very important update, the system will not be required to restart.

Update and upgrade the command line interface

1. Press Ctrl+alt+t, open the terminal, and enter: $sudo apt-get update to check whether there are any updates available on the current source server.

two. Then execute: $sudo apt-get upgrade to upgrade the currently installed package.

If the above command is prompted unsuccessfully, it may be due to the dependency between the software packages. At this point, you can use the following command instead: $sudo apt-get dist-upgrade

Thank you for your reading, the above is the content of "how to update and upgrade the Ubuntu system manually". After the study of this article, I believe you have a deeper understanding of how to update and upgrade the Ubuntu system manually, and the specific use needs to be verified in practice. Here is, the editor will push for you more related knowledge points of the article, welcome to follow!

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