How to disable software updates in Ubuntu system? Tips for not upgrading specified software

When upgrading the Ubuntu system using apt-get, if you want to keep some software as the current version and not participate in the upgrade, how should you set it up? Let's take a look at how to use commands to achieve this. Please see the introduction below for details.

1. Tips on not upgrading specified software

1. Taking synergy as an example, you need to use sudo or root

Open the terminal and enter:

sudo echo synergy hold | sudo dpkg --set-selections

2. Query the status of software packages that are locked and not updated in the Ubuntu system (hold). The command is:

sudo dpkg --get-selections | grep hold Check whether the lock is successful

or use

sudo dpkg --get-selections | more Query the status of all software in the system

3. The locked (hold) software package is restored to the upgradeable state, command:

sudo echo synergy install | sudo dpkg --set-selections

2. Turn off automatic update detection

1. After starting Ubuntu, we click the settings button in the upper right corner of the screen, as shown in the picture.

2. In the drop-down menu, we need to select "System Settings", as shown in the picture.

3. After entering all settings, we find the system. Under the system, we find "Software and Updates".

4. After clicking to open, we can see the interface as shown in the figure. We click the "Update" option.

5. In the automatic check for updates, after we click, select "Never", as shown in the picture.

6. After that, because Ubuntu is a very secure system, we need to authorize it. After we enter the password here, click "Authorization".

7. After authorization, we can click "CloseClose" below.

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