yum 安装出错--"Couldn't resolve host 'mirrors.aliyun.com'"

1.yum 安装出错

[[email protected] ~]#yum install mysql

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  1. [[email protected] ~]#yum install mysql
  2. Loaded plugins: security
  3. http://mirrors.aliyun.com/centos/6/os/x86_64/repodata/repomd.xml: [Errno 14] PYCURL ERROR 6 - "Couldn‘t resolve host ‘mirrors.aliyun.com‘"
  4. Trying other mirror.
  5. http://mirrors.aliyuncs.com/centos/6/os/x86_64/repodata/repomd.xml: [Errno 14] PYCURL ERROR 6 - "Couldn‘t resolve host ‘mirrors.aliyuncs.com‘"
  6. Trying other mirror.
  7. http://mirrors.aliyun.com/epel/6/x86_64/repodata/repomd.xml: [Errno 14] PYCURL ERROR 6 - "Couldn‘t resolve host ‘mirrors.aliyun.com‘"
  8. Trying other mirror.
  9. http://mirrors.aliyuncs.com/epel/6/x86_64/repodata/repomd.xml: [Errno 14] PYCURL ERROR 6 - "Couldn‘t resolve host ‘mirrors.aliyuncs.com‘"
  10. Trying other mirror.
  11. http://mirrors.aliyun.com/centos/6/extras/x86_64/repodata/repomd.xml: [Errno 14] PYCURL ERROR 6 - "Couldn‘t resolve host ‘mirrors.aliyun.com‘"
  12. Trying other mirror.
  13. http://mirrors.aliyuncs.com/centos/6/extras/x86_64/repodata/repomd.xml: [Errno 14] PYCURL ERROR 6 - "Couldn‘t resolve host ‘mirrors.aliyuncs.com‘"
  14. Trying other mirror.
  15. http://mirrors.aliyun.com/centos/6/updates/x86_64/repodata/repomd.xml: [Errno 14] PYCURL ERROR 6 - "Couldn‘t resolve host ‘mirrors.aliyun.com‘"
  16. Trying other mirror.
  17. http://mirrors.aliyuncs.com/centos/6/updates/x86_64/repodata/repomd.xml: [Errno 14] PYCURL ERROR 6 - "Couldn‘t resolve host ‘mirrors.aliyuncs.com‘"
  18. Trying other mirror.
  19. Setting up Install Process
  20. Package mysql-5.1.73-5.el6_6.x86_64 already installed and latest version
  21. Nothing to do

2. 修改dns

[[email protected] ~]# vi /etc/sysconfig/network-scripts/ifcfg-eth0

文末添加

DNS1=8.8.8.8
DNS2=8.8.4.4

3. 重启network 服务

[[email protected] ~]# service network restart

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  1. Shutting down interface eth0:  Device state: 3 (disconnected)
  2. [  OK  ]
  3. Shutting down interface eth1:                              [  OK  ]
  4. Shutting down loopback interface:                          [  OK  ]
  5. FATAL: Module off not found.
  6. Bringing up loopback interface:                            [  OK  ]
  7. Bringing up interface eth0:  Active connection state: activated
  8. Active connection path: /org/freedesktop/NetworkManager/ActiveConnection/2
  9. [  OK  ]
  10. Bringing up interface eth1:  RTNETLINK answers: File exists
  11. RTNETLINK answers: File exists
  12. [  OK  ]
  13. FATAL: Module off not found.

4. 如下提示表示network  服务 与 NetworkManager服务冲突

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  1. Bringing up interface eth0:  Active connection state: activated
  2. Active connection path: /org/freedesktop/NetworkManager/ActiveConnection/2
  3. [  OK  ]

应该是之前安装了图形界面“X Window System”导致。

5. 停止NetworkManager

[[email protected] ~]#  service NetworkManager stop

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  1. Stopping NetworkManager daemon:                            [  OK  ]

6. 再次重启 network 服务

[[email protected] ~]#  service network restart

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  1. Shutting down interface eth0:                              [  OK  ]
  2. Shutting down interface eth1:                              [  OK  ]
  3. Shutting down loopback interface:                          [  OK  ]
  4. FATAL: Module off not found.
  5. Bringing up loopback interface:                            [  OK  ]
  6. Bringing up interface eth0:  Determining if ip address 10.44.153.37 is already in use for device eth0...
  7. [  OK  ]
  8. Bringing up interface eth1:  Determining if ip address 101.200.188.182 is already in use for device eth1...
  9. RTNETLINK answers: File exists
  10. [  OK  ]
  11. FATAL: Module off not found.

7. 该警告一般是由于网卡解析arp协议导致的，可在网卡的配置文件中加入ARPCHECK=NO参数来屏蔽该检查

[[email protected] ~]# vi /etc/sysconfig/network-scripts/ifcfg-eth0

文末添加

ARPCHECK=no

再次启动网卡

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  1. Shutting down interface eth0:                              [  OK  ]
  2. Shutting down interface eth1:                              [  OK  ]
  3. Shutting down loopback interface:                          [  OK  ]
  4. FATAL: Module off not found.
  5. Bringing up loopback interface:                            [  OK  ]
  6. Bringing up interface eth0:                                [  OK  ]
  7. Bringing up interface eth1:  RTNETLINK answers: File exists
  8. [  OK  ]
  9. FATAL: Module off not found.

至此yum update 一切正常。

来源:http://blog.csdn.net/zhugq_1988/article/details/47784031

yum 安装出错--"Couldn't resolve host 'mirrors.aliyun.com'"

时间： 2024-11-07 10:13:19

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