Basic Installation of a CentOS 6 Server

 

Contents [hide] 1 Basic Server installation 1.1 ISO install 1.2 Install some useful Packages 1.3 Starting the Cron Service 1.4 Turn off the Firewall 1.5 Turn off SE Linux 1.6 Turn on Time Service 1.7 Set up RepoForge (Rpmforge) Repository 1.8 VMWare Tools Installation 1.9 System Update

Basic Server installation

ISO install

Download the latest
CentOS-6.x-x86_64-minimal.iso for a 64-bit installation
or
CentOS-6.x-i386-minimal.iso for a 32-bit installation
from a CentOS mirror nearby you. Install, configure network and DNS. Log in via ssh and continue.

Install some useful Packages

yum -y install cronie wget ntp zip unzip rsync yum-utils \

  postfix mailx sudo tcsh bind-utils nmap traceroute htop file \

  vim man top telnet system-config-network-tui patch lsof sg3_utils

Starting the Cron Service

service crond status || service crond start

Turn off the Firewall

chkconfig iptables off

service iptables stop

Turn off SE Linux

sed --in-place=.BAK 's:SELINUX=[a-z]*:SELINUX=disabled:g' /etc/selinux/config

setenforce 0

Turn on Time Service

The system time should be controlled by a time server

ntpdate pool.ntp.org

chkconfig ntpd on

service ntpd start

Set up RepoForge (Rpmforge) Repository

This repository provides other useful packages.
On a 64-bit system install:

rpm -ivH http://pkgs.repoforge.org/rpmforge-release/rpmforge-release-0.5.2-2.el6.rf.x86_64.rpm

On a 32-bit system install:

rpm -ivH http://pkgs.repoforge.org/rpmforge-release/rpmforge-release-0.5.2-2.el6.rf.i686.rpm

VMWare Tools Installation

This section is only applicable if the server is running virtualized on VMWare ESXi Server.
Setup: VMWare Tools Installation on CentOS

System Update

yum -y update