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CentOS 7與 CentOS 6 的區別

CentOS 7與 CentOS 6區別 都有哪些區別:

(1)桌面系統 [CentOS6] GNOME 2.x [CentOS7] GNOME 3.x(GNOME Shell)(2)檔案系統 [CentOS6] ext4 [CentOS7] xfs(3)核心版本 [CentOS6] 2.6.x-x [CentOS7] 3.10.x-x(4)啟動載入器 [CentOS6] GRUB Legacy (+efibootmgr) [CentOS7] GRUB2(5)防火牆 [CentOS6] iptables [CentOS7] firewalld(6)預設資料庫 [CentOS6] MySQL [CentOS7] MariaDB(7)檔案結構

[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 自啟動 [CentOS6] $ chkconfig service_name on/off [CentOS7] $ systemctl enable service_name $ systemctl disable service_name 服務一覽 [CentOS6] $ chkconfig --list [CentOS7] $ systemctl list-unit-files $ systemctl --type service 強制停止 [CentOS6] $ kill -9 <PID> [CentOS7] $ systemctl kill --signal=9 sshd(13)網路
1)網路資訊 [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)單使用者模式 [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 [CUIGUI] $systemctl isolate graphical.target 預設 $ systemctl set-default graphical.target $ systemctl set-default multi-user.target 當前 $ systemctl get-default