Tags: Yum version number blog cannot ISE a mirrors server URLInstalled CentOS 7 in the server yesterday, encountered the Yum update failure problem. This problem is limited by the mirror address.
The following error is displayed:
This error is typically the problem with the source of the Mirror:
Mirror connection Error
Consider using a domestic mirror, such as a 163 image.
Here is the CentOS 7 example, the other version to change the number is good, take the large version number
MV Centos-base.repo Centos-base.repo.bak
name=red Hat Enterprise Linux 7.0-base
name=red Hat Enterprise Linux 7.0-updates
name=red Hat Enterprise Linux 7.0-extras
may have just changed to not take effect immediately need to buffer a period of time, I just changed when the reality is not, so I went to eat, come back to find somehow good!
If the following error occurs:
is generally a DNS problem
The test method is ping outside the network, found that the ping is not the problem.
echo "NameServer 18.104.22.168" >>/etc/resolv.conf
or edit the parse file
Add NameServer 22.214.171.124
Save to exit.
Then yum update is available.
Troubleshooting CentOS Yum Update error