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這篇文章給大家分享的是有關RHEL8如何配置網絡的內容。小編覺得挺實用的，因此分享給大家做個參考，一起跟隨小編過來看看吧。
在RHEL8中繼續支持service，網絡相關服務管理已經轉移到NetworkManager不再是network了。
環境
Red Hat Enterprise Linux release 8.0 VMware Workstation Pro 14
在RHEL8中繼續支持service
網絡相關服務管理已經轉移到NetworkManager不再是network了
修改網卡配置文件，重啟NetwrokManager服務新IP不生效！
[root@localhost ~]# vim /etc/sysconfig/network-scripts/ifcfg-ens33TYPE=Ethernet PROXY_METHOD=none BROWSER_ONLY=no BOOTPROTO=static DEFROUTE=yes IPV4_FAILURE_FATAL=no IPV6INIT=yes IPV6_AUTOCONF=yes IPV6_DEFROUTE=yes IPV6_FAILURE_FATAL=no IPV6_ADDR_GEN_MODE=stable-privacy NAME=ens33 UUID=eb51f723-244d-4a71-bf8d-c18593c64859 DEVICE=ens33 ONBOOT=yes IPADDR=192.168.10.8 PREFIX=24 GATEWAY=192.168.10.2 DNS1=192.168.10.2
重啟網卡要用nmcli connection down/up ens33
[root@localhost ~]# nmcli connection down ens33Connection 'ens33' successfully deactivated (D-Bus active path: /org/freedesktop/NetworkManager/ActiveConnection/1) [root@localhost ~]# nmcli connection up ens33Connection successfully activated (D-Bus active path: /org/freedesktop/NetworkManager/ActiveConnection/4) [root@localhost ~]# ifconfigens33: flags=4163 mtu 1500 inet 192.168.10.8 netmask 255.255.255.0 broadcast 192.168.10.255 inet6 fe80::27d9:87a2:dc6c:7296 prefixlen 64 scopeid 0x20 ether 00:0c:29:a4:94:b4 txqueuelen 1000 (Ethernet) RX packets 56 bytes 10885 (10.6 KiB) RX errors 0 dropped 0 overruns 0 frame 0 TX packets 142 bytes 16312 (15.9 KiB) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0 lo: flags=73 mtu 65536 inet 127.0.0.1 netmask 255.0.0.0 inet6 ::1 prefixlen 128 scopeid 0x10 loop txqueuelen 1000 (Local Loopback) RX packets 4 bytes 340 (340.0 B) RX errors 0 dropped 0 overruns 0 frame 0 TX packets 4 bytes 340 (340.0 B) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0 virbr0: flags=4099 mtu 1500 inet 192.168.122.1 netmask 255.255.255.0 broadcast 192.168.122.255 ether 52:54:00:9c:ef:c6 txqueuelen 1000 (Ethernet) RX packets 0 bytes 0 (0.0 B) RX errors 0 dropped 0 overruns 0 frame 0 TX packets 0 bytes 0 (0.0 B) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
另一種重啟網卡的方式
ifdown ens33 ifup ens33 [root@localhost ~]# ifdown ens33Connection 'ens33' successfully deactivated (D-Bus active path: /org/freedesktop/NetworkManager/ActiveConnection/6) [root@localhost ~]# ifconfigens33: flags=4163 mtu 1500 inet6 fe80::20c:29ff:fea4:94b4 prefixlen 64 scopeid 0x20 ether 00:0c:29:a4:94:b4 txqueuelen 1000 (Ethernet) RX packets 2968 bytes 3062890 (2.9 MiB) RX errors 0 dropped 0 overruns 0 frame 0 TX packets 1444 bytes 156626 (152.9 KiB) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0 lo: flags=73 mtu 65536 inet 127.0.0.1 netmask 255.0.0.0 inet6 ::1 prefixlen 128 scopeid 0x10 loop txqueuelen 1000 (Local Loopback) RX packets 168 bytes 14024 (13.6 KiB) RX errors 0 dropped 0 overruns 0 frame 0 TX packets 168 bytes 14024 (13.6 KiB) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0 virbr0: flags=4099 mtu 1500 inet 192.168.122.1 netmask 255.255.255.0 broadcast 192.168.122.255 ether 52:54:00:9c:ef:c6 txqueuelen 1000 (Ethernet) RX packets 0 bytes 0 (0.0 B) RX errors 0 dropped 0 overruns 0 frame 0 TX packets 0 bytes 0 (0.0 B) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0 virbr0-nic: flags=4099 mtu 1500 ether 52:54:00:9c:ef:c6 txqueuelen 1000 (Ethernet) RX packets 0 bytes 0 (0.0 B) RX errors 0 dropped 0 overruns 0 frame 0 TX packets 0 bytes 0 (0.0 B) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0 [root@localhost ~]# ifup ens33Connection successfully activated (D-Bus active path: /org/freedesktop/NetworkManager/ActiveConnection/8) [root@localhost ~]# ifconfigens33: flags=4163 mtu 1500 inet 192.168.10.8 netmask 255.255.255.0 broadcast 192.168.10.255 inet6 fe80::aa34:3de3:b4d9:d26b prefixlen 64 scopeid 0x20 ether 00:0c:29:a4:94:b4 txqueuelen 1000 (Ethernet) RX packets 2978 bytes 3065421 (2.9 MiB) RX errors 0 dropped 0 overruns 0 frame 0 TX packets 1476 bytes 161083 (157.3 KiB) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0 lo: flags=73 mtu 65536 inet 127.0.0.1 netmask 255.0.0.0 inet6 ::1 prefixlen 128 scopeid 0x10 loop txqueuelen 1000 (Local Loopback) RX packets 172 bytes 14364 (14.0 KiB) RX errors 0 dropped 0 overruns 0 frame 0 TX packets 172 bytes 14364 (14.0 KiB) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0 virbr0: flags=4099 mtu 1500 inet 192.168.122.1 netmask 255.255.255.0 broadcast 192.168.122.255 ether 52:54:00:9c:ef:c6 txqueuelen 1000 (Ethernet) RX packets 0 bytes 0 (0.0 B) RX errors 0 dropped 0 overruns 0 frame 0 TX packets 0 bytes 0 (0.0 B) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0 virbr0-nic: flags=4099 mtu 1500 ether 52:54:00:9c:ef:c6 txqueuelen 1000 (Ethernet) RX packets 0 bytes 0 (0.0 B) RX errors 0 dropped 0 overruns 0 frame 0 TX packets 0 bytes 0 (0.0 B) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
nmcli修改IP
[root@localhost ~]# nmcli connection modify ens33 ipv4.addresses 192.168.10.20/24 ipv4.method manual ipv4.gateway 192.168.10.2 ipv4.dns 192.168.10.2[root@localhost ~]# ifconfigens33: flags=4163 mtu 1500 inet 192.168.10.8 netmask 255.255.255.0 broadcast 192.168.10.255 inet6 fe80::27d9:87a2:dc6c:7296 prefixlen 64 scopeid 0x20 ether 00:0c:29:a4:94:b4 txqueuelen 1000 (Ethernet) RX packets 94 bytes 14309 (13.9 KiB) RX errors 0 dropped 0 overruns 0 frame 0 TX packets 186 bytes 20173 (19.7 KiB) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0 lo: flags=73 mtu 65536 inet 127.0.0.1 netmask 255.0.0.0 inet6 ::1 prefixlen 128 scopeid 0x10 loop txqueuelen 1000 (Local Loopback) RX packets 4 bytes 340 (340.0 B) RX errors 0 dropped 0 overruns 0 frame 0 TX packets 4 bytes 340 (340.0 B) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0 virbr0: flags=4099 mtu 1500 inet 192.168.122.1 netmask 255.255.255.0 broadcast 192.168.122.255 ether 52:54:00:9c:ef:c6 txqueuelen 1000 (Ethernet) RX packets 0 bytes 0 (0.0 B) RX errors 0 dropped 0 overruns 0 frame 0 TX packets 0 bytes 0 (0.0 B) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0 [root@localhost ~]# nmcli connection down ens33Connection 'ens33' successfully deactivated (D-Bus active path: /org/freedesktop/NetworkManager/ActiveConnection/4) [root@localhost ~]# nmcli connection up ens33Connection successfully activated (D-Bus active path: /org/freedesktop/NetworkManager/ActiveConnection/5) [root@localhost ~]# ifconfigens33: flags=4163 mtu 1500 inet 192.168.10.20 netmask 255.255.255.0 broadcast 192.168.10.255 inet6 fe80::27d9:87a2:dc6c:7296 prefixlen 64 scopeid 0x20 ether 00:0c:29:a4:94:b4 txqueuelen 1000 (Ethernet) RX packets 111 bytes 19094 (18.6 KiB) RX errors 0 dropped 0 overruns 0 frame 0 TX packets 218 bytes 24127 (23.5 KiB) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0 lo: flags=73 mtu 65536 inet 127.0.0.1 netmask 255.0.0.0 inet6 ::1 prefixlen 128 scopeid 0x10 loop txqueuelen 1000 (Local Loopback) RX packets 8 bytes 684 (684.0 B) RX errors 0 dropped 0 overruns 0 frame 0 TX packets 8 bytes 684 (684.0 B) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0 virbr0: flags=4099 mtu 1500 inet 192.168.122.1 netmask 255.255.255.0 broadcast 192.168.122.255 ether 52:54:00:9c:ef:c6 txqueuelen 1000 (Ethernet) RX packets 0 bytes 0 (0.0 B) RX errors 0 dropped 0 overruns 0 frame 0 TX packets 0 bytes 0 (0.0 B) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
想要用之前的方式改需要裝 network-scripts 這個包
[root@localhost ~]# yum install -y network-scripts[root@localhost ~]# vim /etc/sysconfig/network-scripts/ifcfg-ens33[root@localhost ~]# cat /etc/sysconfig/network-scripts/ifcfg-ens33TYPE=Ethernet PROXY_METHOD=none BROWSER_ONLY=no BOOTPROTO=static DEFROUTE=yes IPV4_FAILURE_FATAL=no IPV6INIT=yes IPV6_AUTOCONF=yes IPV6_DEFROUTE=yes IPV6_FAILURE_FATAL=no IPV6_ADDR_GEN_MODE=stable-privacy NAME=ens33 UUID=eb51f723-244d-4a71-bf8d-c18593c64859 DEVICE=ens33 ONBOOT=yes IPADDR=192.168.10.21 PREFIX=24 GATEWAY=192.168.10.2 DNS1=192.168.10.2 [root@localhost ~]# systemctl restart network[root@localhost ~]# ifconfigens33: flags=4163 mtu 1500 inet 192.168.10.21 netmask 255.255.255.0 broadcast 192.168.10.255 inet6 fe80::27d9:87a2:dc6c:7296 prefixlen 64 scopeid 0x20 ether 00:0c:29:a4:94:b4 txqueuelen 1000 (Ethernet) RX packets 189 bytes 25780 (25.1 KiB) RX errors 0 dropped 0 overruns 0 frame 0 TX packets 327 bytes 34520 (33.7 KiB) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0 lo: flags=73 mtu 65536 inet 127.0.0.1 netmask 255.0.0.0 inet6 ::1 prefixlen 128 scopeid 0x10 loop txqueuelen 1000 (Local Loopback) RX packets 12 bytes 1028 (1.0 KiB) RX errors 0 dropped 0 overruns 0 frame 0 TX packets 12 bytes 1028 (1.0 KiB) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0 virbr0: flags=4099 mtu 1500 inet 192.168.122.1 netmask 255.255.255.0 broadcast 192.168.122.255 ether 52:54:00:9c:ef:c6 txqueuelen 1000 (Ethernet) RX packets 0 bytes 0 (0.0 B) RX errors 0 dropped 0 overruns 0 frame 0 TX packets 0 bytes 0 (0.0 B) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0 [root@localhost ~]# ifdown ens33WARN : [ifdown] You are using 'ifdown' script provided by 'network-scripts', which are now deprecated. WARN : [ifdown] 'network-scripts' will be removed in one of the next major releases of RHEL. WARN : [ifdown] It is advised to switch to 'NetworkManager' instead - it provides 'ifup/ifdown' scripts as well. Device 'ens33' successfully disconnected. [root@localhost ~]# ifconfigens33: flags=4163 mtu 1500 ether 00:0c:29:a4:94:b4 txqueuelen 1000 (Ethernet) RX packets 223 bytes 32689 (31.9 KiB) RX errors 0 dropped 0 overruns 0 frame 0 TX packets 382 bytes 40364 (39.4 KiB) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0 lo: flags=73 mtu 65536 inet 127.0.0.1 netmask 255.0.0.0 inet6 ::1 prefixlen 128 scopeid 0x10 loop txqueuelen 1000 (Local Loopback) RX packets 12 bytes 1028 (1.0 KiB) RX errors 0 dropped 0 overruns 0 frame 0 TX packets 12 bytes 1028 (1.0 KiB) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0 virbr0: flags=4099 mtu 1500 inet 192.168.122.1 netmask 255.255.255.0 broadcast 192.168.122.255 ether 52:54:00:9c:ef:c6 txqueuelen 1000 (Ethernet) RX packets 0 bytes 0 (0.0 B) RX errors 0 dropped 0 overruns 0 frame 0 TX packets 0 bytes 0 (0.0 B) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0 [root@localhost ~]# ifup ens33WARN : [ifup] You are using 'ifup' script provided by 'network-scripts', which are now deprecated. WARN : [ifup] 'network-scripts' will be removed in one of the next major releases of RHEL. WARN : [ifup] It is advised to switch to 'NetworkManager' instead - it provides 'ifup/ifdown' scripts as well. Connection successfully activated (D-Bus active path: /org/freedesktop/NetworkManager/ActiveConnection/7) [root@localhost ~]# ifconfigens33: flags=4163 mtu 1500 inet 192.168.10.21 netmask 255.255.255.0 broadcast 192.168.10.255 inet6 fe80::27d9:87a2:dc6c:7296 prefixlen 64 scopeid 0x20 ether 00:0c:29:a4:94:b4 txqueuelen 1000 (Ethernet) RX packets 232 bytes 33761 (32.9 KiB) RX errors 0 dropped 0 overruns 0 frame 0 TX packets 409 bytes 43528 (42.5 KiB) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0 lo: flags=73 mtu 65536 inet 127.0.0.1 netmask 255.0.0.0 inet6 ::1 prefixlen 128 scopeid 0x10 loop txqueuelen 1000 (Local Loopback) RX packets 12 bytes 1028 (1.0 KiB) RX errors 0 dropped 0 overruns 0 frame 0 TX packets 12 bytes 1028 (1.0 KiB) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0 virbr0: flags=4099 mtu 1500 inet 192.168.122.1 netmask 255.255.255.0 broadcast 192.168.122.255 ether 52:54:00:9c:ef:c6 txqueuelen 1000 (Ethernet) RX packets 0 bytes 0 (0.0 B) RX errors 0 dropped 0 overruns 0 frame 0 TX packets 0 bytes 0 (0.0 B) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0 [root@localhost ~]# yum remove -y network-scripts[root@localhost ~]# systemctl restart networkFailed to restart network.service: Access denied See system logs and 'systemctl status network.service' for details. [root@localhost ~]# ifdown ens33Connection 'ens33' successfully deactivated (D-Bus active path: /org/freedesktop/NetworkManager/ActiveConnection/7) [root@localhost ~]# ifconfigens33: flags=4163 mtu 1500 ether 00:0c:29:a4:94:b4 txqueuelen 1000 (Ethernet) RX packets 253 bytes 35974 (35.1 KiB) RX errors 0 dropped 0 overruns 0 frame 0 TX packets 441 bytes 47192 (46.0 KiB) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0 lo: flags=73 mtu 65536 inet 127.0.0.1 netmask 255.0.0.0 inet6 ::1 prefixlen 128 scopeid 0x10 loop txqueuelen 1000 (Local Loopback) RX packets 12 bytes 1028 (1.0 KiB) RX errors 0 dropped 0 overruns 0 frame 0 TX packets 12 bytes 1028 (1.0 KiB) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0 virbr0: flags=4099 mtu 1500 inet 192.168.122.1 netmask 255.255.255.0 broadcast 192.168.122.255 ether 52:54:00:9c:ef:c6 txqueuelen 1000 (Ethernet) RX packets 0 bytes 0 (0.0 B) RX errors 0 dropped 0 overruns 0 frame 0 TX packets 0 bytes 0 (0.0 B) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0 [root@localhost ~]# ifup ens33Connection successfully activated (D-Bus active path: /org/freedesktop/NetworkManager/ActiveConnection/8) [root@localhost ~]# ifconfigens33: flags=4163 mtu 1500 inet 192.168.10.21 netmask 255.255.255.0 broadcast 192.168.10.255 inet6 fe80::27d9:87a2:dc6c:7296 prefixlen 64 scopeid 0x20 ether 00:0c:29:a4:94:b4 txqueuelen 1000 (Ethernet) RX packets 271 bytes 37669 (36.7 KiB) RX errors 0 dropped 0 overruns 0 frame 0 TX packets 479 bytes 51830 (50.6 KiB) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0 lo: flags=73 mtu 65536 inet 127.0.0.1 netmask 255.0.0.0 inet6 ::1 prefixlen 128 scopeid 0x10 loop txqueuelen 1000 (Local Loopback) RX packets 16 bytes 1372 (1.3 KiB) RX errors 0 dropped 0 overruns 0 frame 0 TX packets 16 bytes 1372 (1.3 KiB) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0 virbr0: flags=4099 mtu 1500 inet 192.168.122.1 netmask 255.255.255.0 broadcast 192.168.122.255 ether 52:54:00:9c:ef:c6 txqueuelen 1000 (Ethernet) RX packets 0 bytes 0 (0.0 B) RX errors 0 dropped 0 overruns 0 frame 0 TX packets 0 bytes 0 (0.0 B) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
感謝各位的閱讀！關于“RHEL8如何配置網絡”這篇文章就分享到這里了，希望以上內容可以對大家有一定的幫助，讓大家可以學到更多知識，如果覺得文章不錯，可以把它分享出去讓更多的人看到吧！
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