 (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)防火墙 [CentOS6] iptables [CentOS7] firewalld (5)默认数据库 [CentOS6] MySQL [CentOS7] MariaDB (6)主机名 [CentOS6] /etc/sysconfig/network [CentOS7] /etc/hostname (7)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 (8)修改地区 [CentOS6] $ vim /etc/sysconfig/i18n LANG="ja_JP.utf8" $ /etc/sysconfig/i18n $ locale [CentOS7] $ localectl set-locale.utf8 $ localectl status (9)服务管理 [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 (10)网络 1）网络信息 [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 (11)重启关闭  干货分享
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