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This article mainly introduces what is the difference between CentOS7 and CentOS6. It is very detailed and has certain reference value. Friends who are interested must finish reading it.

Differences in CentOS 7 vs CentOS 6

(1) Desktop system

[CentOS6] GNOME 2.x

[CentOS7] GNOME 3.x (GNOME Shell)

(2) File system

[CentOS6] ext4

[CentOS7] xfs

(3) Kernel version

[CentOS6] 2.6.x-x

[CentOS7] 3.10.x-x

(4) start the loader

[CentOS6] GRUB Legacy (+ efibootmgr)

[CentOS7] GRUB2

(5) Firewall

[CentOS6] iptables

[CentOS7] firewalld

(6) default database

[CentOS6] MySQL

[CentOS7] MariaDB

(7) File structure

[CentOS6] / bin, / sbin, / lib, and / lib64 under /

[CentOS7] / bin, / sbin, / lib, and / lib64 move to / usr

(8) Hostname

[CentOS6] / etc/sysconfig/network

[CentOS7] / etc/hostname

(9) time synchronization

[CentOS6]

$ntp

$ntpq-p

[CentOS7]

$chrony

$chronyc sources

(10) modification time

[CentOS6]

$vim / etc/sysconfig/clock

ZONE= "Asia/Tokyo"

UTC=fales

$sudo ln-s / usr/share/zoneinfo/Asia/Tokyo / etc/localtime

[CentOS7]

$timedatectl set-timezone Asia/Tokyo

$timedatectl status

(11) modify the area

[CentOS6]

$vim / etc/sysconfig/i18n

LANG= "ja_JP.utf8"

$/ etc/sysconfig/i18n

$locale

[CentOS7]

$localectl set-locale LANG=ja_JP.utf8

$localectl status

(12) Service related

1) start and stop

[CentOS6]

$service service_name start

$service service_name stop

$service sshd restart/status/reload

[CentOS7]

$systemctl start service_name

$systemctl stop service_name

$systemctl restart/status/reload sshd

Self-starting

[CentOS6]

$chkconfig service_name on/off

[CentOS7]

$systemctl enable service_name

$systemctl disable service_name

Service list

[CentOS6]

$chkconfig-list

[CentOS7]

$systemctl list-unit-files

$systemctl-type service

Forced stop

[CentOS6]

$kill-9

[CentOS7]

$systemctl kill-signal=9 sshd

(13) Network

1) Network information

[CentOS6]

$netstat

$netstat-I

$netstat-n

[CentOS7]

$ip n

$ip-s l

$ss

2) IP address MAC address

[CentOS6]

$ifconfig-a

[CentOS7]

$ip address show

3) routin

[CentOS6]

$route-n

$route-An inet6-n

[CentOS7]

$ip route show

$ip-6 route show

(14) restart and shutdown

1) close

[CentOS6]

$shutdown-h now

[CentOS7]

$poweroff

$systemctl poweroff

2) restart

[CentOS6]

$reboot

$shutdown-r now

[CentOS7]

$reboot

$systemctl reboot

3) single user mode

[CentOS6]

$init S

[CentOS7]

$systemctl rescue

4) Startup mode

[CentOS6]

[GUICUI]

$vim / etc/inittab

Id:3:initdefault:

[CUIGUI]

$startx

[CentOS7]

[GUICUI]

$systemctl isolate multi-user.target

[CUIGUI]

$systemctl isolate graphical.target

Default

$systemctl set-default graphical.target

$systemctl set-default multi-user.target

Current

$systemctl get-default

These are all the contents of this article entitled "what's the difference between CentOS7 and CentOS6". Thank you for reading! Hope to share the content to help you, more related knowledge, welcome to follow the industry information channel!

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