自动获取网络连接
如果每次启动CentOS之后,都要手动连接网络的话,那也太麻烦了。我们通过设置,可以实现网络的自动连接。方法如下:
(1)首先,点击桌面右上角,找到Wired Settings
,点击它
(2)进入NetWork
管理界面,如下图,点击“设置”的小螺丝按钮
(3)将Connect automatically
打钩,点击右上角“Apply
”应用即可。
配置固定IP
(1)首先查看网关,记住备用
(2)编辑/etc/sysconfig/network-scripts/ifcfg-ens33
,这是ens33的网卡配置文件
将原有内容:
TYPE=EthernetPROXY_METHOD=noneBROWSER_ONLY=noBOOTPROTO=dhcpDEFROUTE=yesIPV4_FAILURE_FATAL=noIPV6INIT=yesIPV6_AUTOCONF=yesIPV6_DEFROUTE=yesIPV6_FAILURE_FATAL=noIPV6_ADDR_GEN_MODE=stable-privacyNAME=ens33UUID=1b38ccc5-62a4-4527-9125-195d7ae7568eDEVICE=ens33ONBOOT=yes
更改为:
TYPE=EthernetPROXY_METHOD=noneBROWSER_ONLY=noBOOTPROTO=staticDEFROUTE=yesIPV4_FAILURE_FATAL=noIPV6INIT=yesIPV6_AUTOCONF=yesIPV6_DEFROUTE=yesIPV6_FAILURE_FATAL=noIPV6_ADDR_GEN_MODE=stable-privacyNAME=ens33IPADDR=192.168.37.100GATEWAY=192.168.37.2DNS1=192.168.37.2UUID=1b38ccc5-62a4-4527-9125-195d7ae7568eDEVICE=ens33ONBOOT=yes
以下为各个项目的含义说明:
(3)修改完成之后,保存退出。
(4)重启网络服务使其生效:
service network restart
现在,使用命令ifconfig
查看ip地址,是自己指定的固定ip
[root@localhost network-scripts]# ifconfigens33: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500inet 192.168.37.100 netmask 255.255.255.0 broadcast 192.168.37.255inet6 fe80::9e11:bb0:5b80:7106 prefixlen 64 scopeid 0x20<link>ether 00:0c:29:6f:f8:cb txqueuelen 1000 (Ethernet)RX packets 2002 bytes 2074642 (1.9 MiB)RX errors 0 dropped 0 overruns 0 frame 0TX packets 690 bytes 53438 (52.1 KiB)TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0lo: flags=73<UP,LOOPBACK,RUNNING> mtu 65536inet 127.0.0.1 netmask 255.0.0.0inet6 ::1 prefixlen 128 scopeid 0x10<host>loop txqueuelen 1000 (Local Loopback)RX packets 160 bytes 17256 (16.8 KiB)RX errors 0 dropped 0 overruns 0 frame 0TX packets 160 bytes 17256 (16.8 KiB)TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0virbr0: flags=4099<UP,BROADCAST,MULTICAST> mtu 1500inet 192.168.122.1 netmask 255.255.255.0 broadcast 192.168.122.255ether 52:54:00:8f:f5:27 txqueuelen 1000 (Ethernet)RX packets 0 bytes 0 (0.0 B)RX errors 0 dropped 0 overruns 0 frame 0TX packets 0 bytes 0 (0.0 B)TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
(5)修改完成了,测试一下,可以正常上网。
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