checking that python3-pip package is installed dpkg –get-selections python3-pip search packages by name using REGEX see http://newbiedoc.sourceforge.net/tutorials/apt-get-intro/info.html apt-cache search libapr apt-cache search ‘php.*sql’ apt-cache search apache.\*perl apt-cache search elvis\|vim list the contents of a (not-installed) package see https://unix.stackexchange.com/questions/6311/how-to-find-out-which-not-installed-package-a-file-belongs-to apt-file list […]