Package Management

dpkg -l Linux Command

Lists all installed packages with version and description.

What does dpkg -l do?

Lists all installed packages with version and description.

dpkg -l [pattern]

dpkg -l | grep nginx

How do I list all installed packages?

Use `dpkg -l` to list all installed packages with their version and description. Pipe to grep to filter.

How do I search for a specific package?

Use `dpkg -l | grep package_name` to search for a package in the installed packages list.

How do I see package details with dpkg?

Use `dpkg -s package_name` to show detailed information about an installed package including status and description.

How do I see which package owns a file?

Use `dpkg -S /path/to/file` to find which installed package owns a specific file.

How do I list files installed by a package?

Use `dpkg -L package_name` to list all files installed by that package on your system.

How do I check if a package is installed?

Use `dpkg -l package_name` or `dpkg -s package_name` to check the installation status.

How do I list only configuration files?

Use `dpkg --status package_name | grep Conffiles` to show only the configuration files for a package.

How do I list packages by status?

Use `dpkg -l | grep '^rc'` to find removed packages with config files, or `grep '^ii'` for fully installed packages.

Removes an installed package (keeps config files).

Installs a snap package from the Snap Store.

Installs a .deb package file directly (does not resolve dependencies).

Installs Python packages from the Python Package Index (PyPI).

Lists packages based on package names with options for installed/upgradeable.

Updates the local package index with the latest information from repositories.