Connection activation failed Device not managed by NetworkManager

Just follow the below steps and everything will be ok... 1. Remove Network Manager from startup Services.#chkconfig NetworkManager off 2. Add Default Net Manager#chkconfig network on 3.Stop NetworkManager first#service NetworkManager stop 4.and then

X86服务器,在对eth2和eth3做了bond后,在bond0上配置了地址,去掉独立网卡eth4上配置的原地址的网关后通过service network restart就提示标题的错误了 而实际通过ethtool检测到eth2和eth3都确实接线没问题,因此,问题的原因可能在NetworkManager上面,于是执行了以下命令 chkconfig NetworkManager off chkconfig network on service NetworkManager  stop servi

1. Remove Network Manager from startup Services.chkconfig NetworkManager off 2. Add Default Net Managerchkconfig network on 3.Stop NetworkManager firstservice NetworkManager stop 4.and then start Default Managerservice network start 显示RTNETLINK answe

Just follow the below steps and everything will be ok... 1. Remove Network Manager from startup Services.#chkconfig NetworkManager off 2. Add Default Net Manager#chkconfig network on 3.Stop NetworkManager first#service NetworkManager stop 4.and then

Bringing up interface eth0:Error:Connection activation failed:Device not managed by  NetworkManager network服务器 重启时报错 ifcfg-eth0 查看配置无误,ifconfig eth0查看当前ip 配置也无误,就是ping不同 解决步骤: 1:service network restart 报错 2:ifconfig eth0 查看eth0 配置是否正常 3:service Netwo

环境:centos7,重启网络,报以下错误: ifup em2     ##启动em2网卡时报错 Error: Connection activation failed: The connection is not for this device. 解决方法: systemctl stop NetworkManager.service systemctl disable NetworkManager 再启动过em2网卡,就可以了 ifup em2 原文地址:http://blog.51cto.c

虚机安装fedora 14 ,装完后setup设置IP,重启网卡报错,显示device not managed by NetworkManager 解决方法: service NetworkManager stop 再启动网卡就OK了

systemctl  network start 找不到命令是因为 centos8没有了network 而是nmcli 代替了 1 排查 本机的ip  netmask  mac地址是否一致 2 mac机 ifconfig 我的虚拟机使用是nat模式 如果是桥接模式就看vmnet1 如果子网掩码是乱码 就看 上面的 IP 子网掩码  路由器要仔细查看 且虚拟机的要跟本机同一个网段 登陆虚拟机 vim /etc/sysconfig/network-scripts/ifcfg-ens33 TYPE=E

配置系统:CentOS 6.5 在配置完bridge后在重启时出现以下错误: 导致错误的原因是NetworkManager,只要关闭NetworkManager问题就解决了. 关闭后重启网络: