Basic commands for managing Ubuntu Software Package

/Etc/apt/sources. list records the addresses of all suitable image sites

/Var/lib/apt/list/* lists the software packages for all image sites.

/Var/cache/apt/archives is the software package cache zone.

Apt-get:

Apt-get update: refresh the software source and create an update package list

Apt-get upgrade: upgrade all software packages in the system

Install software: apt-get install + software name

Apt-get install the software automatically resolves the dependency between the software.

You can use

Apt-get -- reinstall install + package name

Delete software: apt-get remove + software name

Deletes the software package associated with the software package.

Run the command apt-get -- purge remove + software name to delete the file.

The configuration file of the software is deleted after the software package is uninstalled.

FIX software package dependency apt-get-f install

Use apt-get check to check Dependencies

Apt-get clean clear all files in the cache area of the software package

Apt-get autoclean only clears outdated files and keeps the latest software packages.

Apt-cache Problems

Apt-cache pknames list all installed software packages

Apt-cache pknames | wc-l count the number of packages installed

Apt-cache showpkg displays general information about Binary packages

Apt-cache showsrc get detailed descriptions of the source package

Apt-cache show to obtain detailed descriptions of binary software

Apt-cache stats obtains the basic statistics of the software source.

Apt-cache search software packages based on regular expressions

Apt-cache policy obtains the current installation status of the software package.

Apt-cache depends: view the packages on which a software package depends