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Centos 6 Webserver

In this article we will install some software that is useful on a webserver based on Centos 6.
For the beginning let us install some packages that will be useful later:
yum install nano wget fetchmail zip unzip bzip2 nmap openssl lynx fileutils ncftp gcc gcc-c++ gd-devel
yum update
Apache
yum install httpd
Set Apache to start at boot:
chkconfig httpd on
You can print installed httpd modules with the command httpd -l:
[root@webserver]# httpd -l
Compiled in modules:
  core.c
  prefork.c
  http_core.c
  mod_so.c
Conf file /etc/httpd/conf/httpd.conf

MySQL + php
yum install mysql-server php php-mysql
Postfix, POP3/IMAP server

Note that default MTA in Centos is sendmail, so if you want to use postfix you should remove sendmail first:
yum remove sendmail
yum install postfix dovecot
Conf file /etc/postfix/main.cf

Ftp
yum install vsftpd
Conf file /etc/vsftpd/vsftpd.conf

Webalizer
yum install webalizer