The difference between centos7 and centos6.5 is: 1. The default file system, centos6 is ext4 and centos7 is xfs; 2. Kernel version, centos6 is [2.6.x-x/] and centos7 is [3.10.x-x 】.
The difference between centos7 and centos6.5 is:
(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)Boot 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 is under /
[CentOS7] /bin, /sbin, /lib, and /lib64 are moved to /usr
(8)Host name
[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 region
[CentOS6]
$ vim /etc/sysconfig/i18n LANG="ja_JP.utf8" $ /etc/sysconfig/i18n $ locale
[CentOS7]
$ localectl set-locale.utf8 $ localectl status
Recommended related tutorials: centos tutorial
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