How can aptitude be used to install PHP extensions like php7.1-pgsql on Debian Linux for PostgreSQL connectivity?

To install PHP extensions like php7.1-pgsql on Debian Linux for PostgreSQL connectivity, you can use the aptitude package manager to easily install the necessary packages. By running the command "sudo aptitude install php7.1-pgsql", you can quickly install the PostgreSQL extension for PHP 7.1 on your Debian system. ```bash sudo aptitude install php7.1-pgsql ```