LAMP (Linux, Apache, MySQL, PHP/Perl/Python) is an acronym denoting one of the most common solution stacks for many of the web's most popular applications. However, LAMP now refers to a generic software stack model and its components are largely interchangeable.Each letter in the acronym stands for one of its four open-source building blocks: Linux for the operating system Apache HTTP Server MySQL for the relational database management system PHP, Perl, or Python programming languageThe components of the LAMP stack are present in the software repositories of most Linux distributions.