Apache is one of the most popular web servers, while Ubuntu, based on Debian, is the most popular desktop Linux distribution. Ubuntu is increasingly being used for server deployments, and Apache has officially supported packages and modules available in Ubuntu's default apt repository.
Apache can be installed using apt on Ubuntu and Debian from the command line.
$ sudo apt update [sudo] password for user: Hit:1 http://jp.archive.ubuntu.com/ubuntu eoan InRelease Get:2 http://jp.archive.ubuntu.com/ubuntu eoan-updates InRelease [97.5 kB] Get:3 http://jp.archive.ubuntu.com/ubuntu eoan-backports InRelease [88.8 kB] Get:4 http://jp.archive.ubuntu.com/ubuntu eoan-security InRelease [97.5 kB] Fetched 284 kB in 2s (166 kB/s) Reading package lists... Done Building dependency tree Reading state information... Done All packages are up to date.
$ sudo apt install --assume-yes apache2 Reading package lists... Done Building dependency tree Reading state information... Done The following additional packages will be installed: apache2-bin apache2-data apache2-utils libapr1 libaprutil1 libaprutil1-dbd-sqlite3 libaprutil1-ldap libjansson4 liblua5.2-0 ssl-cert Suggested packages: apache2-doc apache2-suexec-pristine | apache2-suexec-custom www-browser openssl-blacklist The following NEW packages will be installed: apache2 apache2-bin apache2-data apache2-utils libapr1 libaprutil1 libaprutil1-dbd-sqlite3 libaprutil1-ldap libjansson4 liblua5.2-0 ssl-cert 0 upgraded, 11 newly installed, 0 to remove and 0 not upgraded. Need to get 1,866 kB of archives. After this operation, 8,062 kB of additional disk space will be used. ##### snipped
$ sudo vi /etc/apache2/apache2.conf
Related: Guide listing for Apache
$ sudo apachectl configtest AH00558: apache2: Could not reliably determine the server's fully qualified domain name, using 127.0.1.1. Set the 'ServerName' directive globally to suppress this message Syntax OK
Related: How to check Apache configuration
$ sudo systemctl restart apache2
$ sudo systemctl enable apache2 Synchronizing state of apache2.service with SysV service script with /lib/systemd/systemd-sysv-install. Executing: /lib/systemd/systemd-sysv-install enable apache2
$ sudo ufw allow http Rules updated Rules updated (v6) $ sudo ufw allow https Rules updated Rules updated (v6)
$ curl 127.0.0.1 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <!-- Modified from the Debian original for Ubuntu Last updated: 2016-11-16 See: https://launchpad.net/bugs/1288690 --> <head> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /> <title>Apache2 Ubuntu Default Page: It works</title> <style type="text/css" media="screen"> * { margin: 0px 0px 0px 0px; padding: 0px 0px 0px 0px; } body, html { ##### snipped
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