How to Install Newest LAMP on CentOS 7 Minimal (2/3) - Apache

Since the version of Apache HTTP Server provided by CentOS 7 is pretty new (2.4.6), so we use it as our httpd version of LAMP.

1. Check what version of httpd we can have.
[root@primary01 ~]# yum info httpd
Loaded plugins: fastestmirror
Loading mirror speeds from cached hostfile
 * base: mirror01.idc.hinet.net
 * extras: mirror01.idc.hinet.net
 * updates: mirror01.idc.hinet.net
Available Packages
Name        : httpd
Arch        : x86_64
Version     : 2.4.6
Release     : 18.el7.centos
Size        : 2.7 M
Repo        : updates/7/x86_64
Summary     : Apache HTTP Server
URL         : http://httpd.apache.org/
License     : ASL 2.0
Description : The Apache HTTP Server is a powerful, efficient, and extensible
            : web server.
2. Install httpd 2.4.6.
[root@primary01 ~]# yum -y install httpd
Loaded plugins: fastestmirror
Loading mirror speeds from cached hostfile
 * base: mirror01.idc.hinet.net
 * extras: mirror01.idc.hinet.net
 * updates: mirror01.idc.hinet.net
Resolving Dependencies
--> Running transaction check
---> Package httpd.x86_64 0:2.4.6-18.el7.centos will be installed
--> Processing Dependency: httpd-tools = 2.4.6-18.el7.centos for package: httpd-2.4.6-18.el7.centos.x86_64
--> Processing Dependency: /etc/mime.types for package: httpd-2.4.6-18.el7.centos.x86_64
--> Processing Dependency: libaprutil-1.so.0()(64bit) for package: httpd-2.4.6-18.el7.centos.x86_64
--> Processing Dependency: libapr-1.so.0()(64bit) for package: httpd-2.4.6-18.el7.centos.x86_64
--> Running transaction check
---> Package apr.x86_64 0:1.4.8-3.el7 will be installed
---> Package apr-util.x86_64 0:1.5.2-6.el7 will be installed
---> Package httpd-tools.x86_64 0:2.4.6-18.el7.centos will be installed
---> Package mailcap.noarch 0:2.1.41-2.el7 will be installed
--> Finished Dependency Resolution

Dependencies Resolved

================================================================================
 Package           Arch         Version                     Repository     Size
================================================================================
Installing:
 httpd             x86_64       2.4.6-18.el7.centos         updates       2.7 M
Installing for dependencies:
 apr               x86_64       1.4.8-3.el7                 base          103 k
 apr-util          x86_64       1.5.2-6.el7                 base           92 k
 httpd-tools       x86_64       2.4.6-18.el7.centos         updates        77 k
 mailcap           noarch       2.1.41-2.el7                base           31 k

Transaction Summary
================================================================================
Install  1 Package (+4 Dependent packages)

Total download size: 3.0 M
Installed size: 10 M
Downloading packages:
(1/5): apr-util-1.5.2-6.el7.x86_64.rpm                     |  92 kB   00:01
(2/5): httpd-tools-2.4.6-18.el7.centos.x86_64.rpm          |  77 kB   00:01
(3/5): mailcap-2.1.41-2.el7.noarch.rpm                     |  31 kB   00:02
(4/5): apr-1.4.8-3.el7.x86_64.rpm                          | 103 kB   00:07
(5/5): httpd-2.4.6-18.el7.centos.x86_64.rpm                | 2.7 MB   00:10
--------------------------------------------------------------------------------
Total                                              281 kB/s | 3.0 MB  00:10
Running transaction check
Running transaction test
Transaction test succeeded
Running transaction
  Installing : apr-1.4.8-3.el7.x86_64                                       1/5
  Installing : apr-util-1.5.2-6.el7.x86_64                                  2/5
  Installing : httpd-tools-2.4.6-18.el7.centos.x86_64                       3/5
  Installing : mailcap-2.1.41-2.el7.noarch                                  4/5
  Installing : httpd-2.4.6-18.el7.centos.x86_64                             5/5
  Verifying  : mailcap-2.1.41-2.el7.noarch                                  1/5
  Verifying  : httpd-tools-2.4.6-18.el7.centos.x86_64                       2/5
  Verifying  : apr-util-1.5.2-6.el7.x86_64                                  3/5
  Verifying  : apr-1.4.8-3.el7.x86_64                                       4/5
  Verifying  : httpd-2.4.6-18.el7.centos.x86_64                             5/5

Installed:
  httpd.x86_64 0:2.4.6-18.el7.centos

Dependency Installed:
  apr.x86_64 0:1.4.8-3.el7                     apr-util.x86_64 0:1.5.2-6.el7
  httpd-tools.x86_64 0:2.4.6-18.el7.centos     mailcap.noarch 0:2.1.41-2.el7

Complete!
3. Open port 80 for public to access.
[root@primary01 ~]# firewall-cmd --zone=public --add-port=80/tcp
success
[root@primary01 ~]# firewall-cmd --permanent --zone=public --add-port=80/tcp
success
4. Enable httpd service and start it.
[root@primary01 ~]# systemctl status httpd
httpd.service - The Apache HTTP Server
   Loaded: loaded (/usr/lib/systemd/system/httpd.service; disabled)
   Active: inactive (dead)

[root@primary01 ~]# systemctl enable httpd
ln -s '/usr/lib/systemd/system/httpd.service' '/etc/systemd/system/multi-user.target.wants/httpd.service'
[root@primary01 ~]# systemctl start httpd

Now, we have installed the newest Apache HTTP server on CentOS 7.