Setup Centos6 Basis OS

2 Hardware & Host

• Install Media: http://ftp.plusline.de/centos/6/isos/x86_64/CentOS-6.5-x86_64-minimal.iso
• Disk: 20GB (virtio)
• Memory: 1GB
• CPU: 1
• NIC: 1x (virtio)
• HostName: base
• IP: 192.168.123.63/24
• GW: 192.168.123.254

2.1 Setup

• Language: English
• Keyboard: SwissGerman
• Devices: Basic Storage Devices
• Hostname: base
• TimeZone: Europe/Zurich
• System clock uses UTC: YES
• What Type of Installation: Create custem Disk Layout:

disks are labled /dev/sda if you not use KVM

• • /dev/vda1 - 150M - ext4 - /boot
  • /dev/vda2 - max - LVM PV - VG: vg_system
  • /dev/vg_system/root - 15GB - ext4 - /
  • /dev/vg_system/swap - 2GB - swap
• Install Bootloader on MBR: /dev/vda

2.1.1 Initial Configuration

ifconfig eth0 up
dhclient eth0
# now you can connect via ssh

yum remove nfs-utils-lib nfs-utils rpcbind libtirpc iscsi-initiator-utils fcoe-utils iptables-ipv6 lldpad
yum upgrade

# install essential tools
yum install system-config-network-tui sysstat dstat tcpdump screen vim-common strace ltrace ethtool

#network interface must run when booting
sed -i 's/ONBOOT=.*/ONBOOT=yes/' /etc/sysconfig/network-scripts/ifcfg-eth0

# we disable selinux
sed -i 's/SELINUX=.*/SELINUX=disabled/' /etc/selinux/config
setenforce 0
getenforce

#activate iptables if needed
chkconfig iptables on|off
service iptables stop|restart
reboot

2.1.2 Install Webserver

# show all groups
yum grouplist

# install webserver and deps
yum groupinstall "Web Server" "PHP Support" "MySQL Database client" "MySQL Database server"