dpkg Command
Intermediate Package Management man(1)Debian package manager for .deb files
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📅 Updated: Mar 15, 2026
SYNTAX
dpkg [OPTION]... ACTION [PACKAGE]
What Does dpkg Do?
dpkg is the low-level Debian package manager that installs, removes, and inspects .deb package files. While apt handles dependencies automatically, dpkg works directly with individual .deb files.
dpkg is used when you download a .deb file directly (from a website or custom build) and need to install it manually. It does not resolve dependencies — you must install dependencies separately or use apt install -f after.
dpkg is also useful for querying installed packages, listing package contents, and checking package status.
dpkg is used when you download a .deb file directly (from a website or custom build) and need to install it manually. It does not resolve dependencies — you must install dependencies separately or use apt install -f after.
dpkg is also useful for querying installed packages, listing package contents, and checking package status.
Options & Flags
| Option | Description | Example |
|---|---|---|
| -i | Install a .deb package | sudo dpkg -i package.deb |
| -r | Remove a package | sudo dpkg -r package_name |
| -P | Purge (remove with config) | sudo dpkg -P package_name |
| -l | List installed packages | dpkg -l | grep nginx |
| -L | List files installed by package | dpkg -L nginx |
| -S | Find which package owns a file | dpkg -S /usr/bin/nginx |
| -s | Show package status | dpkg -s nginx |
| --configure -a | Fix interrupted installations | sudo dpkg --configure -a |
Practical Examples
#1 Install .deb file
Installs a downloaded .deb package.
$ sudo dpkg -i google-chrome-stable.deb#2 Fix dependencies
Installs a .deb, then resolves any missing dependencies.
$ sudo dpkg -i package.deb; sudo apt install -f#3 List installed packages
Lists all installed packages matching "php".
$ dpkg -l | grep php
Output:
ii php8.2 8.2.0-1 amd64 PHP scripting language
#4 Find package for file
Shows which package installed a specific file.
$ dpkg -S /etc/nginx/nginx.conf
Output:
nginx-common: /etc/nginx/nginx.conf
#5 List package files
Shows all files installed by the nginx package.
$ dpkg -L nginx#6 Fix broken install
Configures any packages that were left in an unconfigured state.
$ sudo dpkg --configure -aTips & Best Practices
Install then fix deps: sudo dpkg -i file.deb && sudo apt install -f. The apt install -f resolves missing dependencies automatically.
dpkg -S for file ownership: dpkg -S /path/to/file tells you which package installed that file — very useful for troubleshooting.
No dependency resolution: dpkg does not install dependencies. Use apt install package to get dependencies resolved automatically.
Frequently Asked Questions
How do I install a .deb file?
sudo dpkg -i file.deb. If dependencies are missing, run sudo apt install -f to resolve them.
How do I find which package a file belongs to?
dpkg -S /path/to/file shows the package that installed that file.
What is the difference between dpkg and apt?
dpkg manages individual .deb files without dependency resolution. apt handles dependencies automatically from repositories.
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