如何在复制VM和VBOX虚拟机时重新配置网卡？这个问题可能是我们日常学习或工作经常见到的。通过这个问题，希望你能收获更多。今天跟随小编一起来看解决方案吧。
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1、 新复制的虚拟机，请选择重新生成MAC地址，这个步骤在复制（克隆，WHATEVER）的时候，或者在复制完成，又或者完成后点配置，网卡属性，高级属性（各种平台各不相同，找到重新生成MAC地址，勾上或者刷新）。记录下这个MAC地址
2、新虚拟机启动以后，无论网络是否正常，停掉NetworkManager.Service...真的没有那么好用。
systemctl stop NetworkManager
systemctl disable NetworkManager
3、运行ifconfig -a, 得到新网卡的网卡名称，（也是设备名称，结合刚才记录下的MAC地址，很容易对上）
4、到/etc/sysconfig/network-scripts文件夹修改ifcfg-enxxx网卡启动配置文件
4.1、 强烈建议删除ifcfg-profile1类似这个脚本，这个是NetManager遗留。
4.2、 用uuidgen enxxx这样的格式得到uuid写入配置档。
4.3、 写完配置档，重启网卡设备systemctl restart network。如果没有报错就完成了。
####举例：
###配置一个网卡最终要三个要素，设备名，MAC地址，UUID
eno16777736: flags=4163 mtu 1500
inet 192.168.1.201 netmask 255.255.255.0 broadcast 192.168.1.255
inet6 fe80::20c:29ff:fe4a:b12c prefixlen 64 scopeid 0x20
ether 00:0c:29:4a:b1:2c txqueuelen 1000 (Ethernet)
RX packets 3647 bytes 3417904 (3.2 MiB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 142 bytes 18249 (17.8 KiB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
eno33554992: flags=4163 mtu 1500
inet 192.168.199.241 netmask 255.255.255.0 broadcast 192.168.199.255
inet6 fe80::20c:29ff:fe4a:b136 prefixlen 64 scopeid 0x20
ether 00:0c:29:4a:b1:36 txqueuelen 1000 (Ethernet)
RX packets 5605 bytes 3465915 (3.3 MiB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 1400 bytes 322360 (314.8 KiB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
###uuidgen （注意，UUID每次生成都不同，但是每个生成的ID都是可以用的）
[root@mysql01 dev]# uuidgen eno16777736
fd32246b-c655-45c6-ab6a-7a6aa84faa72
[root@mysql01 network-scripts]# uuidgen eno33554992
44e70d2f-4bf1-4753-865b-8fb042ecc8d6
| 设备名 | MAC地址 | UUID |
|---|
| eno16777736 | 00:0c:29:4a:b1:2c | fd32246b-c655-45c6-ab6a-7a6aa84faa72 |
| eno33554992 | 00:0c:29:4a:b1:36 | 44e70d2f-4bf1-4753-865b-8fb042ecc8d6 |
###停止NetworkManager
[root@mysql01 network-scripts]# systemctl stop NetworkManager
[root@mysql01 network-scripts]# systemctl disable NetworkManager
Removed symlink /etc/systemd/system/multi-user.target.wants/NetworkManager.service.
Removed symlink /etc/systemd/system/dbus-org.freedesktop.NetworkManager.service.
Removed symlink /etc/systemd/system/dbus-org.freedesktop.nm-dispatcher.service.
[root@mysql01 network-scripts]# systemctl status NetworkManager
* NetworkManager.service - Network Manager
Loaded: loaded (/usr/lib/systemd/system/NetworkManager.service; disabled; vendor preset: enabled)
Active: inactive (dead) since 日 2020-01-26 14:22:15 CST; 36s ago
Main PID: 8417 (code=exited, status=0/SUCCESS)
1月 26 14:22:07 mysql01 NetworkManager[8417]: (eno16777736): Activation: successful, device activated.
1月 26 14:22:07 mysql01 NetworkManager[8417]: wpa_supplicant running
1月 26 14:22:07 mysql01 NetworkManager[8417]: (virbr0): device state change: secondaries -> activated (reason 'none...100 0]
1月 26 14:22:07 mysql01 NetworkManager[8417]: (virbr0): Activation: successful, device activated.
1月 26 14:22:15 mysql01 NetworkManager[8417]: caught SIGTERM, shutting down normally.
1月 26 14:22:15 mysql01 NetworkManager[8417]: (virbr0): bridge port virbr0-nic was detached
1月 26 14:22:15 mysql01 NetworkManager[8417]: (virbr0-nic): released from master virbr0
1月 26 14:22:15 mysql01 systemd[1]: Stopping Network Manager...
1月 26 14:22:15 mysql01 NetworkManager[8417]: exiting (success)
1月 26 14:22:15 mysql01 systemd[1]: Stopped Network Manager.
Hint: Some lines were ellipsized, use -l to show in full.
[root@mysql01 network-scripts]# ifconfig
###写配置档：（这里的UUID可能和我上面获得的不同,因为配置档是之前就写好的.）
-rw-r--r--. 1 root root 292 1月 24 14:52 ifcfg-eno16777736
-rw-r--r--. 1 root root 367 1月 26 13:29 ifcfg-eno33554992
[root@mysql01 network-scripts]# cat ifcfg-eno16777736
TYPE=Ethernet
BOOTPROTO=none
DEFROUTE=yes
IPV4_FAILURE_FATAL=no
IPV6INIT=yes
IPV6_AUTOCONF=yes
IPV6_DEFROUTE=yes
IPV6_FAILURE_FATAL=no
NAME=eno16777736
UUID=a808b074-580f-4ff7-b70a-e307769e8d96
DEVICE=eno16777736
ONBOOT=yes
IPADDR=192.168.1.201
PREFIX=24
IPV6_PEERDNS=yes
IPV6_PEERROUTES=yes
[root@mysql01 network-scripts]# cat ifcfg-eno33554992
TYPE=Ethernet
BOOTPROTO=static
IPADDR0=192.168.199.241
PREFIXO0=24
GATEWAY=192.168.199.1
DNS1=192.168.199.1
DEFROUTE=yes
IPV4_FAILURE_FATAL=no
IPV6INIT=yes
IPV6_AUTOCONF=yes
IPV6_DEFROUTE=yes
IPV6_FAILURE_FATAL=no
NAME=eno33554992
UUID=9c7d8550-2d46-45c1-9c40-ef09570e1608
DEVICE=eno33554992
ONBOOT=yes
PEERDNS=yes
PEERROUTES=yes
IPV6_PEERDNS=yes
IPV6_PEERROUTES=yes
###重启网络服务:
[root@mysql01 network-scripts]# systemctl restart network.service
[root@mysql01 network-scripts]#
###没有报错
[root@mysql01 network-scripts]# systemctl status network.service
* network.service - LSB: Bring up/down networking
Loaded: loaded (/etc/rc.d/init.d/network)
Active: active (exited) since 日 2020-01-26 14:27:22 CST; 18s ago
Docs: man:systemd-sysv-generator(8)
Process: 8612 ExecStop=/etc/rc.d/init.d/network stop (code=exited, status=0/SUCCESS)
Process: 8839 ExecStart=/etc/rc.d/init.d/network start (code=exited, status=0/SUCCESS)
1月 26 14:27:17 mysql01 systemd[1]: Starting LSB: Bring up/down networking...
1月 26 14:27:17 mysql01 network[8839]: [29B blob data]
1月 26 14:27:19 mysql01 network[8839]: [37B blob data]
1月 26 14:27:22 mysql01 network[8839]: [37B blob data]
1月 26 14:27:22 mysql01 systemd[1]: Started LSB: Bring up/down networking.
[root@mysql01 network-scripts]#
###尝试ifup/ifdown脚本：
[root@mysql01 network-scripts]# ifdown eno16777736
[root@mysql01 network-scripts]# ifconfig eno16777736
eno16777736: flags=4098 mtu 1500
ether 00:0c:29:4a:b1:2c txqueuelen 1000 (Ethernet)
RX packets 4359 bytes 4215191 (4.0 MiB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 169 bytes 22144 (21.6 KiB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
[root@mysql01 network-scripts]# ifup eno16777736
[root@mysql01 network-scripts]# ifconfig eno16777736
eno16777736: flags=4163 mtu 1500
inet 192.168.1.201 netmask 255.255.255.0 broadcast 192.168.1.255
inet6 fe80::20c:29ff:fe4a:b12c prefixlen 64 scopeid 0x20
ether 00:0c:29:4a:b1:2c txqueuelen 1000 (Ethernet)
RX packets 4362 bytes 4218484 (4.0 MiB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 187 bytes 25011 (24.4 KiB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
[root@mysql01 network-scripts]#
[root@mysql01 network-scripts]# ifdown eno33554992
[root@mysql01 Desktop]# ifconfig eno33554992
eno33554992: flags=4098 mtu 1500
ether 00:0c:29:4a:b1:36 txqueuelen 1000 (Ethernet)
RX packets 7980 bytes 4516864 (4.3 MiB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 2422 bytes 504771 (492.9 KiB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
[root@mysql01 Desktop]# ifup eno33554992
[root@mysql01 Desktop]# ifconfig eno33554992
eno33554992: flags=4163 mtu 1500
inet 192.168.199.241 netmask 255.255.255.0 broadcast 192.168.199.255
inet6 fe80::20c:29ff:fe4a:b136 prefixlen 64 scopeid 0x20
ether 00:0c:29:4a:b1:36 txqueuelen 1000 (Ethernet)
RX packets 7982 bytes 4519567 (4.3 MiB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 2440 bytes 507648 (495.7 KiB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
[root@mysql01 Desktop]#
看完这篇文章，你们学会在复制VM和VBOX虚拟机时重新配置网卡了吗？如果还想学到更多技能或想了解更多相关内容，欢迎关注创新互联行业资讯频道，感谢各位的阅读。
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