How to Install Httpd on CentOS 5.7

Apache httpd is one of the most popular web servers and has a lot of features that make it very extensible and useful for many different types of websites.This steps has been tested on CentOS 5.7 with direct internet connection.

Simply run this command to install apache httpd service on CentOS 5.7:

[root@CentOS57 ~]# yum install httpd
Loaded plugins: fastestmirror
Loading mirror speeds from cached hostfile
 * base: mirror.yourconnect.com
 * extras: mirrors.sin1.sg.voxel.net
 * updates: mirror.yourconnect.com
Setting up Install Process
Resolving Dependencies
--> Running transaction check
---> Package httpd.i386 0:2.2.3-53.el5.centos.3 set to be updated
base/filelists                                                              | 2.9 MB     00:25
extras/filelists_db                                                         | 199 kB     00:03
updates/filelists_db                                                        | 1.9 MB     00:22
--> Processing Dependency: /etc/mime.types for package: httpd
--> Processing Dependency: libapr-1.so.0 for package: httpd
--> Processing Dependency: libaprutil-1.so.0 for package: httpd
--> Running transaction check
---> Package apr.i386 0:1.2.7-11.el5_6.5 set to be updated
---> Package apr-util.i386 0:1.2.7-11.el5_5.2 set to be updated
--> Processing Dependency: libpq.so.4 for package: apr-util
---> Package mailcap.noarch 0:2.1.23-1.fc6 set to be updated
--> Running transaction check
---> Package postgresql-libs.i386 0:8.1.23-1.el5_7.3 set to be updated
--> Finished Dependency Resolution

Dependencies Resolved

===================================================================================================
 Package                  Arch            Version                           Repository        Size
===================================================================================================
Installing:
 httpd                    i386            2.2.3-53.el5.centos.3             updates          1.2 M
Installing for dependencies:
 apr                      i386            1.2.7-11.el5_6.5                  base             124 k
 apr-util                 i386            1.2.7-11.el5_5.2                  base              80 k
 mailcap                  noarch          2.1.23-1.fc6                      base              14 k
 postgresql-libs          i386            8.1.23-1.el5_7.3                  updates          197 k

Transaction Summary
===================================================================================================
Install       5 Package(s)
Upgrade       0 Package(s)

Total download size: 1.6 M
Is this ok [y/N]: y
Downloading Packages:
(1/5): mailcap-2.1.23-1.fc6.noarch.rpm                                      |  14 kB     00:00
(2/5): apr-util-1.2.7-11.el5_5.2.i386.rpm                                   |  80 kB     00:00
(3/5): apr-1.2.7-11.el5_6.5.i386.rpm                                        | 124 kB     00:01
(4/5): postgresql-libs-8.1.23-1.el5_7.3.i386.rpm                            | 197 kB     00:02
(5/5): httpd-2.2.3-53.el5.centos.3.i386.rpm                                 | 1.2 MB     00:11
---------------------------------------------------------------------------------------------------
Total                                                               99 kB/s | 1.6 MB     00:16
Running rpm_check_debug
Running Transaction Test
Finished Transaction Test
Transaction Test Succeeded
Running Transaction
  Installing     : apr                                                                         1/5
  Installing     : mailcap                                                                     2/5
  Installing     : postgresql-libs                                                             3/5
  Installing     : apr-util                                                                    4/5
  Installing     : httpd                                                                       5/5

Installed:
  httpd.i386 0:2.2.3-53.el5.centos.3

Dependency Installed:
  apr.i386 0:1.2.7-11.el5_6.5                 apr-util.i386 0:1.2.7-11.el5_5.2
  mailcap.noarch 0:2.1.23-1.fc6               postgresql-libs.i386 0:8.1.23-1.el5_7.3

Complete!

Set httpd service to auto start at boot:

[root@CentOS57 ~]# chkconfig httpd on

Start and troubleshoot httpd start error:

[root@CentOS57 ~]# service httpd start
Starting httpd: httpd: Could not reliably determine the server's fully qualified domain name, using 127.0.0.1 for ServerName

Check the server hostname or server fully qualified domain name:

[root@CentOS57 ~]# hostname
CentOS57

Change the ServerName on line 265 to your hostname above.

[root@CentOS57 ~]# vi /etc/httpd/conf/httpd.conf
263 # redirections work in a sensible way.
    264 #
    265 ServerName CentOS57:80
    266
    267 #

Start the Httpd service using the following command :

[root@CentOS57 ~]# service httpd start
Starting httpd:                                            [  OK  ]

or

[root@CentOS57 ~]# /etc/init.d/httpd start
Starting httpd:                                            [  OK  ]