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This article introduces to you what is the difference between CentOS 7 and CentOS 6, the content is very detailed, interested friends can refer to, hope to be helpful to you.

The difference between CentOS 7 and CentOS 6 [199cloudIna]

(1) Desktop system

[CentOS 6] GNOME 2.x

[CentOS 7] GNOME 3.x (GNOME Shell)

(2) File system

[CentOS 6] ext4

[CentOS 7] xfs

(3) Kernel version

[CentOS 6] 2.6.x-x

[CentOS 7] 3.10.x-x

(4) Python version

[CentOS 6] 2.6

[CentOS 7] 2.7

(5) Firewall

[CentOS 6] iptables

[CentOS 7] firewalld

(6) default database

[CentOS 6] MySQL

[CentOS 7] MariaDB

(7) File structure

[CentOS 6] / bin, / sbin, / lib, and / lib64 under /

[CentOS 7] / bin, / sbin, / lib, and / lib64 under / usr

(8) Hostname

[CentOS 6] / etc/sysconfig/network

[CentOS 7] / etc/hostname

(9) time synchronization

[CentOS 6]

$ntp

$ntpq-p

[CentOS 7]

$chrony

$chronyc sources

(10) modification time

[CentOS 6]

$vim / etc/sysconfig/clock

ZONE= "Asia/Tokyo"

UTC=fales

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

[CentOS 7]

$timedatectl set-timezone Asia/Tokyo

$timedatectl status

(11) modify the area

[CentOS 6]

$vim / etc/sysconfig/i18n

LANG= "zh_CN.utf8"

$/ etc/sysconfig/i18n

$locale

[CentOS 7]

$localectl set-locale.utf8

$localectl status

What is actually modified is the file / etc/locale.conf

Change the Terminal- > Appearance- > "Character encoding" of Secure CRT to UTF-8 before the console can display Chinese normally.

(12) Service related * start and stop

[CentOS 6]

$service service_name start

$service service_name stop

$service sshd restart/status/reload

[CentOS 7]

$systemctl start service_name

$systemctl stop service_name

$systemctl restart/status/reload sshd

* self-starting

[CentOS 6]

$chkconfig service_name on/off

[CentOS 7]

$systemctl enable service_name

$systemctl disable service_name

* Overview of services

[CentOS 6]

$chkconfig-list

[CentOS 7]

$systemctl list-unit-files

$systemctl-type service

* forced stop

[CentOS 6]

$kill-9

[CentOS 7]

$systemctl kill-signal=9 sshd

(13) Network

* Network information

[CentOS 6]

$netstat

$netstat-I

$netstat-n

[CentOS 7]

$ip n

$ip-s l

$ss

* IP address MAC address

[CentOS 6]

$ifconfig-a

[CentOS 7]

$ip address show

* routin

[CentOS 6]

$route-n

$route-An inet6-n

[CentOS 7]

$ip route show

$ip-6 route show

(14) restart shutdown * shutdown

[CentOS 6]

$shutdown-h now

[CentOS 7]

$poweroff

$systemctl poweroff

* restart

[CentOS 6]

$reboot

$shutdown-r now

[CentOS 7]

$reboot

$systemctl reboot

* single user mode

[CentOS 6]

$init S

[CentOS 7]

$systemctl rescue

* Startup mode

[CentOS 6]

[GUICUI]

$vim / etc/inittab

Id:3:initdefault:

[CUIGUI]

$startx

[CentOS 7]

[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

(15) Nic naming

[CentOS 6]

Eth0

[CentOS 7]

Became a naming rule for predictability.

So much for sharing what is the difference between CentOS 7 and CentOS 6. I hope the above content can be helpful to you and learn more. If you think the article is good, you can share it for more people to see.

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