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centos7與centos6命令區別

   (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$ ss2)IP地址MAC地址[CentOS6]$ ifconfig -a[CentOS7]$ ip address show3)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 poweroff2)重啟[CentOS6]$ reboot$ shutdown -r now[CentOS7]$ reboot$ systemctl reboot3)單使用者模式[CentOS6]$ init S[CentOS7]$ systemctl rescue4)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