vs CentOS 6的不同之处

Elinkcloud

CentOS 7 vs CentOS 6的不同 (1)桌面系统[CentOS6] GNOME 2.x[CentOS7] GNOME 3.x（GNOME Shell）(2)文件系统[CentOS6] ext4[CentOS7] xfs(3)内核版本[CentOS6] 2.6.x-x[CentOS7] 3.10.x-x(4)启动加载器[CentOS6] GRUB Legacy (+efibootmgr)[CentOS7] GRUB2(5)防火墙[CentOS6] iptables[CentOS7] firewalld(6)默认数据库[CentOS6] MySQL[CentOS7] MariaDB(7)文件结构[CentOS6] /bin, /sbin, /lib, and /lib64在/下[CentOS7] /bin, /sbin, /lib, and /lib64移到/usr下(8)主机名[CentOS6] /etc/sysconfig/network[CentOS7] /etc/hostname(9)时间同步[CentOS6]$ ntp$ ntpq -p[CentOS7]$ chrony$ chronyc sources(10)修改时间[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)修改地区[CentOS6]$ vim /etc/sysconfig/i18n LANG="ja_JP.utf8"$ /etc/sysconfig/i18n$ locale[CentOS7]$ localectl set-locale LANG=ja_JP.utf8$ localectl status(12)服务相关1）启动停止[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自启动[CentOS6]$ chkconfig service_name on/off[CentOS7]$ systemctl enable service_name$ systemctl disable service_name服务一览[CentOS6]$ chkconfig --list[CentOS7]$ systemctl list-unit-files$ systemctl --type service强制停止[CentOS6]$ kill -9 <PID>[CentOS7]$ systemctl kill --signal=9 sshd(13)网络1）网络信息[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)重启关闭1）关闭[CentOS6]$ shutdown -h now[CentOS7]$ poweroff$ systemctl poweroff2）重启[CentOS6]$ reboot$ shutdown -r now[CentOS7]$ reboot$ systemctl reboot3）单用户模式[CentOS6]$ init S[CentOS7]$ systemctl rescue4）启动模式[CentOS6][GUICUI]$ vim /etc/inittab id:3:initdefault:[CUIGUI]$ startx[CentOS7][GUICUI]$ systemctl isolate multi-user.target[CUIGUI]$systemctl isolate graphical.target默认$ systemctl set-default graphical.target$ systemctl set-default multi-user.target当前$ systemctl get-default

云专线（Direct Connect）为用户搭建本地数据中心与云上VPC之间的专属连接通道，实现安全可靠的混合云部署。