Redhat uses CentOS's Yum source

The first step: Back up the original repo file, develop good habits

MV Rhel-source.repo Rhel-source.repo.bak

Step two: Download the latest Centos-base.repo to/ETC/YUM.REPOS.D

Wget-o/etc/yum.repos.d/centos-base.repo

Http://mirrors.aliyun.com/repo/Centos-6.repo

Step three: Replace $releasever to 6

Vi/etc/yum.repos.d/centos-base.repo

With global substitution, enter in command mode:%s/$releasever/6

Fourth step: Generate the Cache

Yum Clean All

Yum Makecache

Note: The following prompt appears: Loaded Plugins:product-id, Refresh-packagekit,

Security, Subscription-manager

Updating certificate-based repositories.

Unable to read consumer identity

Yum in Redhat checks whether it is currently authorized and uses the CentOS source without affecting the back

Software installation, can also completely uninstall Redhat Yum, using CentOS's Yum software, will not every time

The message pops up

Fifth step: Test upgrade Python-urlgrabber

Current version:

[Email protected] yum.repos.d]# Rpm-qa |grep python-urlgrabber

Python-urlgrabber-3.9.1-8.el6.noarch

Upgrade command:

[email protected] yum.repos.d]# Yum update python-urlgrabber

After Upgrade:

[Email protected] yum.repos.d]# Rpm-qa |grep python-urlgrabber

Python-urlgrabber-3.9.1-11.el6.noarch

Attention:

When the following prompt appears:

Http://mirrors.aliyun.com/centos/6Server/os/i386/repodata/repomd.xml: [Errno 14]

Pycurl ERROR-"The requested URL returned error:404"

Trying other mirror.

Please make sure

baseurl=http://mirrors.aliyun.com/centos/6/os/$basearch/

http://mirrors.aliyuncs.com/centos/6/os/$basearch/

Redhat uses CentOS's Yum source