ApkExists checks if apk (Alpine Package Keeper) exists in the system's PATH.

CheckPackageInstalled checks if the specified package is installed.

DpkgExists checks if dpkg exists in the system's PATH.

ExecuteCommand runs the specified shell command and returns its output or panics if there's an error.

InstallPackage installs a package using the system's package manager.

IsDebianUbuntuOrAlpine checks if the operating system is Debian, Ubuntu, or Alpine.

PackageManagerType returns the type of package manager available on the system.