centos6.0下Error: Connection activation failed: Device not managed by NetworkManager解决办法
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hel 6 在虚拟机中,启动eth0 网卡时报错:
解决办法:
1 chkconfig NetworkManager off
2 chkconfig network on
3 service NetworkManager stop
4 service network start
=================悲催的分割线=======================================================
给新机器配置了IP地址之后,发现网络仍处于断开状态
第一步:查看是否有 有效的IP地址
ifconfig -a
第二步:如果没有IP的话,配置IP:
也可以通过配置文件/etc/sysconfig/network-scripts/ifcfg-eth0 配置
主要是以下几个参数
ONBOOT
IPADDR
GATEWAY
NETMASK
第三步:
如果以上参数都正确的话,重启网络服务service network restart
查看网络状态
第四步:IP地址配置正确,网络也重启了,但是仍处于中断
检查一下网卡是否启用
mii-tool 命令
或
/etc/init.d/networkstatus
若没有启动网卡,则ifconfig eth0 up 启动网卡
第五步:IP地址正常,网卡启用的状态下,检查NetworkManager
因为我在以上两个前提条件下,重启网络时遇到如下报错:
Connection activation failed Device not managed by NetworkManager
1)查看NetworkManager服务是否启动
ps aux |grep NetworkManager
使用service NetworkManager start 命令启动该网络管理程序
2) 一般默认情况下该程序是启动的,我将 NetworkManager重启之后发现网络正常了
转自:http://cache.baidu.com/c?m=9d78d513d99516eb03bcc3690d678b3b5f43801263848c462a83c55f93150b0a506692e770645559939c6b6770f01a00b9a56132234460e99492ce0c9fac935b32956271350b86364c8845e8810778d620e70bb4f004b9e1ac75d9ee958c88084eca51037185e78b2d5a529531&p=882a9644d29a50fe05bcc7710e128c38&user=baidu&fm=sc&query=device+not+managed+by+network+manager&qid=8a54dfe9144202d2&p1=3
- centos6.0下Error: Connection activation failed: Device not managed by NetworkManager解决办法
- centos6.0下Error: Connection activation failed: Device not managed by NetworkManager解决办法
- centos6.0下Error: Connection activation failed: Device not managed by NetworkManager解决办法
- centos6.0下Error: Connection activation failed: Device not managed by NetworkManager解决办法
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