CentOS 6.7 安裝完後，初始快速度設定，備註

更新 2016-03-04

update 一下

yum -y update

關閉 selinux

sed -i 's/SELINUX=enforcing/SELINUX=disabled/g' /etc/sysconfig/selinux
sed -i 's/SELINUX=enforcing/SELINUX=disabled/g' /etc/selinux/config

關閉不必要啟動的服務

chkconfig abrt-ccpp off
chkconfig acpid off
chkconfig atd off
chkconfig blk-availability off
chkconfig cpuspeed off
chkconfig haldaemon off
chkconfig ip6tables off
chkconfig lvm2-monitor off
chkconfig mdmonitor off
chkconfig messagebus off
chkconfig netfs off
chkconfig cups off
chkconfig portreserve off

開機到數

sed -i 's/timeout=.*/timeout=1/' /etc/grub.conf
sed -i 's/timeout=.*/timeout=1/' /boot/grub/grub.conf
sed -i 's/timeout=.*/timeout=1/' /boot/efi/EFI/redhat/grub.conf

開機進到 init 3

sed -i 's/id:5:initdefault:/id:3:initdefault:/' /etc/inittab

使用 vim

yum -y install vim-enhanced
echo 'alias vi=vim' >> /root/.bashrc
# 設定 VIM 是 4 個 spaces
echo 'set ts=4 sw=4 et list' > ~/.vimrc ; cat ~/.vimrc

ntpdate

yum -y install ntp
echo "ntpdate time.stdtime.gov.tw > /dev/null &" >> /etc/rc.local

show 出開機過程

sed  -i 's/rhgb quiet//g' /etc/grub.conf
sed  -i 's/rhgb quiet//g' /boot/grub/grub.conf
sed  -i 's/rhgb quiet//g' /boot/efi/EFI/redhat/grub.conf

only for 測試，把防火牆關閉

chkconfig iptables off
iptables -F

修改網卡名稱為 eth0

# vi /etc/grub.conf
# 或
# vi /boot/grub/grub.conf
kernel XXXXXXXXXXXX biosdevname=0

mv /etc/sysconfig/network-scripts/xxx /etc/sysconfig/network-scripts/ifcfg-eth0

# vi /etc/sysconfig/network-scripts/ifcfg-eth0
NAME=eth0

rm -f /etc/udev/rules.d/70-persistent-net.rules

reboot