Install Apache HTTP Server on Gentoo Linux

Step 1 – Install

emerge --sync
emerge --ask www-servers/apache
rc-update add apache2 default
rc-service apache2 start

Step 2 – Open firewall ports

iptables -A INPUT -p tcp --dport 80 -j ACCEPT
iptables -A INPUT -p tcp --dport 443 -j ACCEPT

Step 3 – Verify

curl -I http://localhost
apachectl -v

Main config: /etc/apache2/httpd.conf, vhosts in /etc/apache2/vhosts.d/.