CentOS 7對比CentOS 6的變化
阿新 • • 發佈：2017-07-12
centos7
CentOS 7 vs CentOS 6的不同
(1)桌面系統
[CentOS6] GNOME 2.x[CentOS7] GNOME 3.x（GNOME Shell）
(2)文件系統
[CentOS6] ext4[CentOS7] xfs
(3)內核版本
[CentOS6] GRUB Legacy (+efibootmgr)[CentOS7] GRUB2
(4)啟動加載器
[CentOS6] GRUB Legacy (+efibootmgr)[CentOS7] GRUB2
(5)防火墻
[CentOS6] iptables[CentOS7] firewalld
(6)默認數據庫
[CentOS6] MySQL[CentOS7] MariaDB
(7)文件結構
[CentOS6] /bin, /sbin, /lib, and /lib64在/下[CentOS7] /bin, /sbin, /lib, and /lib64移到/usr下
(8)主機名
[CentOS6] /etc/sysconfig/network[CentOS7] /etc/hostname
(9)時間同步
[CentOS6]$ ntp$ ntpq -p
[CentOS7]$ chrony$ chronyc sources
(10)修改時間
[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)修改地區
[CentOS6]$ vim /etc/sysconfig/i18n LANG="ja_JP.utf8"$ /etc/sysconfig/i18n$ locale
[CentOS7]$ localectl set-locale LANG=ja_JP.utf8$ localectl status
(12)服務相關
1）啟動停止
[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
2）自啟動
[CentOS6]$ chkconfig service_name on/off
[CentOS7]$ systemctl enable service_name$ systemctl disable service_name
3）服務一覽
[CentOS6]$ chkconfig --list
[CentOS7]$ systemctl list-unit-files$ systemctl --type service
4）強制停止
[CentOS6]$ kill -9 <PID>
[CentOS7]$ systemctl kill --signal=9 sshd
(13)網絡
1）網絡信息
[CentOS6]$ netstat$ netstat -I$ netstat -n
[CentOS7]$ ip n$ ip -s l$ ss
2）IP地址MAC地址
[CentOS6]$ ifconfig -a
[CentOS7]$ ip address show
3）路由
[CentOS6]$ route -n$ route -A inet6 -n
[CentOS7]$ ip route show$ ip -6 route show
(14)重啟關閉
1）關閉
[CentOS6]$ shutdown -h now
[CentOS7]$ poweroff$ systemctl poweroff
2）重啟
[CentOS6]$ reboot$ shutdown -r now
[CentOS7]$ reboot$ systemctl reboot
3）單用戶模式
[CentOS6]$ init S
[CentOS7]$ systemctl rescue
4）啟動模式
[CentOS6][GUICUI]$ vim /etc/inittab id:3:initdefault:[CUIGUI]$ startx
[CentOS7][GUICUI]$ systemctl isolate multi-user.target #---在不重啟的情況下，切換到運行級別mulit-user下[CUIGUI]$ systemctl isolate graphical.target #---在不重啟的情況下，切換到圖形界面下查看當前模式：$ systemctl get-default設置默認的運行級別：（reboot生效）$ systemctl set-default graphical.target #---命令行模式$ systemctl set-default multi-user.target #---圖形模式
本文出自 “Linuxgao” 博客，請務必保留此出處http://linuxgao.blog.51cto.com/11934904/1946472
CentOS 7對比CentOS 6的變化