How to install deb installation package in linux

1. Download the deb package that needs to be installed and enter the following command to install:

sudo dpkg -i package.deb

2. Check the contents of the package.deb package:

dpkg -c package.deb

3. Extract information from the package.deb package:

dpkg -I package.deb

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4. Remove the installed deb package:

dpkg -r package

5. Completely clear an installed package. Different from remove, remove only deletes data and executable files, while purge also deletes all configuration files:

dpkg -P package

6. List all files installed by the deb package, and please see dpkg -c To check the contents of a .deb file:

dpkg -L package

7. Display the information of installed packages. Also see apt-cache to display package information in a Debian archive, and dpkg -I to display package information extracted from a .deb file:

dpkg -s package

8. Reconfigure an already installed package if it Debconf is used (debconf provides a unified configuration interface for package installation):

dpkg-reconfigure package

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