1、首先備份系統自帶yum源配置檔案/etc/yum.repos.d/centos-base.repo
mv /etc/yum.repos.d/centos-base.repo /etc/yum.repos.d/centos-base.repo.backupcd /etc/yum.repos.d/##centos7
wget -o /etc/yum.repos.d/centos-base.repo
##centos6
wget -o /etc/yum.repos.d/centos-base.repo
##centos5
wget -o /etc/yum.repos.d/centos-base.repo
#centos-7
wget -o /etc/yum.repos.d/centos-base.repo
#centos-6
wget -o /etc/yum.repos.d/centos-base.repo
#centos-5
wget -o /etc/yum.repos.d/centos-base.repo
yum makecache[root@localhost ~]# yum -y update
已載入外掛程式：fastestmirror, refresh-packagekit, security
設定更新程序loading mirror speeds from cached hostfile
* base: mirrors.163.com
* extras: mirrors.163.com
* updates: mirrors.163.com
## 或者是
已載入外掛程式：fastestmirror, refresh-packagekit, security
設定更新程序loading mirror speeds from cached hostfile
* base: mirrors.aliyun.com
* extras: mirrors.aliyun.com
* updates: mirrors.aliyun.com
centos配置yum源為中國映象源
修改centos預設yum源為mirrors.163.com 1 首先備份系統自帶yum源配置檔案 etc yum.repos.d centos base.repo 1 root localhost mv etc yum.repos.d centos base.repo etc yum.repos....
CentOS 更改 yum 映象源為阿里雲映象源
確認 centos 版本，在終端中輸入 cat proc version會得到一下內容，el7則代表為 centos 7 版本。linux version 3.xx.x x.xx.x.el7.x86 64 mockbuild kbuilder.bsys.centos.org gcc version ...
CentOS使用ISO映象做本地YUM源
1 建立iso存放目錄和掛載目錄 mkdir mnt iso mkdir mnt cdrom2 上傳iso映象檔案到iso存放目錄 mnt iso下 3 掛載iso映象到掛載目錄 mnt cdrom下 mount o loop mnt iso xx.iso mnt cdrom4 使用df h命令查詢...