zypper search apache 

zypper install apache2

rpm -ql apache2
vi /etc/apache2/httpd.conf

apache2ctl configtest

chkconfig apache2 on
/etc/init.d/apache2 start

ps ax | grep httpd
lsof -i :80
wget http://localhost

aptitude search apache 
apt-cache search apache 

apt-get install apache2

dpkg -L apache2
vim /etc/apache2/httpd.conf

apache2ctl configtest

/etc/init.d/apache2 start

ps ax | grep httpd
lsof -i :80
wget http://localhost