Upgrade the system under the CentOS yum update command and configure the update source by yourself.

PS * * * * * * * * * * China University of Science and Technology (OK) * * * * * * * * * * * * * * * * *

[Source of Education Network]

Shanghai Jiaotong University: /centos/

Tsinghua University: /centos/

China University of Science and Technology: /centos/ (recommended, faster)

[Telecommunication network source]

Shanghai Telecom:/centos/$ releaser/OS/$ basearch/

gpgcheck= 1

gpg KEY =/CentOS/RPM-GPG-KEY-CentOS-5

# Published updates

[update]

Name = centos-$ releaser-update

# mirror list =/centos/$ release ver/updates/$ base arch/

gpgcheck= 1

gpg KEY =/CentOS/RPM-GPG-KEY-CentOS-5

Number of packages used/generated in the build but not published.

[plug-in]

name=CentOS-$releasever - Addons

# mirror list =/centos/$ release ver/addons/$ base arch/

gpgcheck= 1

gpg KEY =/CentOS/RPM-GPG-KEY-CentOS-5

# Additional packages that may be useful

[extras]

name=CentOS-$releasever - Extras

# mirror list =/centos/$ release ver/extras/$ base arch/

gpgcheck= 1

gpg KEY =/CentOS/RPM-GPG-KEY-CentOS-5

# Add-on packages that extend the functionality of existing packages

[centosplus]

name=CentOS-$releasever - Plus

# mirror list =/centos/$ release ver/cento plus/$ base arch/

gpgcheck= 1

Enabled =0

gpg KEY =/CentOS/RPM-GPG-KEY-CentOS-5

(Save and Exit: wq)

You can taste it now. ^_^