LINUX中centos7.6如何修改静态IP与配置参数NM_CONTROLLED

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    目前，各种OS操作系统版本疯狂升级，并且随之而变的操作系统设置也有很大的改变。对于CENTOS目前最新版本已经

是8.x，但是，centos 7.6相对与以前的老版本，操作系统相关的部分配置已经有比较大的变化，举例：静态IP与配置参数

NM_CONTROLLED，当网络配置文件中没有改参数时，即便其IP配置使用静态IP，也不起作用。

--ifcfg-ens34的配置

 [root@centos76MySQLpri network-scripts]# cat ifcfg-ens34

TYPE=Ethernet

PROXY_METHOD=none

BROWSER_ONLY=no

BOOTPROTO=static #此处已经声明使用静态IP

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=ens34

UUID=af87d788-f524-4095-81c9-367eba488f9a

DEVICE=ens34

>

IPADDR=192.168.192.201

PREFIX=24

GATEWAY=192.168.192.1

IPV6_PRIVACY=no

[root@centos76mysqlpri network-scripts]# 

--ifcfg-ens34启动后的IP地址缺不是期望中的   

[root@centos76mysqlpri network-scripts]# ifup ens34

[root@centos76mysqlpri network-scripts]# ifconfig -a

ens33: flags=4163  mtu 1500

        inet 192.168.248.129  netmask 255.255.255.0  broadcast 192.168.248.255

        inet6 fe80::7391:3e5e:cead:f642  prefixlen 64  scopeid 0x20

        ether 00:0c:29:26:76:0c  txqueuelen 1000  (Ethernet)

        RX packets 13523  bytes 17404331 (16.5 MiB)

        RX errors 0  dropped 0  overruns 0  frame 0

        TX packets 5554  bytes 343077 (335.0 KiB)

        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

ens34: flags=4163  mtu 1500

        inet 192.168.192.128 netmask 255.255.255.0  broadcast 192.168.192.255

        inet6 fe80::2162:583:8ee:d0be  prefixlen 64  scopeid 0x20

        ether 00:0c:29:26:76:16  txqueuelen 1000  (Ethernet)

        RX packets 63  bytes 7008 (6.8 KiB)

        RX errors 0  dropped 0  overruns 0  frame 0

        TX packets 138  bytes 20565 (20.0 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 224  bytes 18384 (17.9 KiB)

        RX errors 0  dropped 0  overruns 0  frame 0

        TX packets 224  bytes 18384 (17.9 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 52:54:00:2f:86:09  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=4098  mtu 1500

        ether 52:54:00:2f:86:09  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@centos76mysqlpri network-scripts]# 

到此，感觉有点莫名其妙！经查询是：centos7.6使用NM_CONTROLLED参数控制是否通过网络管理器进行管理。

--修改ifcfg-ens34的配置

[root@centos76mysqlpri network-scripts]# cat ifcfg-ens34

TYPE=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=ens34

UUID=af87d788-f524-4095-81c9-367eba488f9a

DEVICE=ens34

>

NM_CONTROLLED=no

IPADDR=192.168.192.201

PREFIX=24

GATEWAY=192.168.192.1

IPV6_PRIVACY=no

[root@centos76mysqlpri network-scripts]# 

--ifcfg-ens34网卡重启后

[root@centos76mysqlpri network-scripts]# ifup ens34

[root@centos76mysqlpri network-scripts]# ifconfig -a

ens33: flags=4163  mtu 1500

        inet 192.168.248.129  netmask 255.255.255.0  broadcast 192.168.248.255

        inet6 fe80::7391:3e5e:cead:f642  prefixlen 64  scopeid 0x20

        ether 00:0c:29:26:76:0c  txqueuelen 1000  (Ethernet)

        RX packets 13523  bytes 17404331 (16.5 MiB)

        RX errors 0  dropped 0  overruns 0  frame 0

        TX packets 5554  bytes 343077 (335.0 KiB)

        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

ens34: flags=4163  mtu 1500

        inet 192.168.192.201 netmask 255.255.255.0  broadcast 192.168.192.255

        inet6 fe80::20c:29ff:fe26:7616  prefixlen 64  scopeid 0x20

        ether 00:0c:29:26:76:16  txqueuelen 1000  (Ethernet)

        RX packets 81  bytes 8664 (8.4 KiB)

        RX errors 0  dropped 0  overruns 0  frame 0

        TX packets 167  bytes 24573 (23.9 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 224  bytes 18384 (17.9 KiB)

        RX errors 0  dropped 0  overruns 0  frame 0

        TX packets 224  bytes 18384 (17.9 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 52:54:00:2f:86:09  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=4098  mtu 1500

        ether 52:54:00:2f:86:09  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@centos76mysqlpri network-scripts]# 

看完了这篇文章，相信你对“LINUX中centos7.6如何修改静态IP与配置参数NM_CONTROLLED”有了一定的了解，如果想了解更多相关知识，欢迎关注创新互联行业资讯频道，感谢各位的阅读！