Run a webserver in debian8

Creating config file /etc/php5/mods-available/readline.ini with new version
php5_invoke: Enable module readline for cli SAPI
php5_invoke: Enable module readline for apache2 SAPI
Processing triggers for systemd (215-17+deb8u4) ...
Processing triggers for libc-bin (2.19-18+deb8u4) ...
Processing triggers for libapache2-mod-php5 (5.6.22+dfsg-0+deb8u1) ...
root@debian8:/home/edrigor29#_command line here_

Please help? I can't seem to run them because i don't know how to operate a webserver inside debian system.