根據自己的系統版本選擇複製貼上執行即可
# 163yum源：(centos5、6、7版本)
cd /etc/yum.repos.d/
wget
wget
wget
# 阿里雲yum源(centos5、6、7版本)
centos 5
wget -o /etc/yum.repos.d/aliyun-centos5-base.repo
wget -o /etc/yum.repos.d/aliyun-epel5.repo
centos 6
wget -o /etc/yum.repos.d/aliyun-centos6-base.repo
wget -o /etc/yum.repos.d/aliyun-epel6.repo
centos 7
wget -o /etc/yum.repos.d/aliyun-centos7-base.repo
wget -o /etc/yum.repos.d/aliyun-epel7.repo
#清除快取，生成本地快取，下次安裝速度快
yum clean all && yum makecache
ubuntu各版本更換apt源
mv /etc/apt/sources.list /etc/apt/sources.list.bak# 更改阿里源
首先備份本地的源
cp /etc/apt/sources.list /etc/apt/sources.list.bak-`date +%f`#修改檔案 刪除原有內容，新增下面內容
vim /etc/apt/sources.list
#ubuntu 14.04.5 lts
deb trusty main restricted universe multiverse
deb trusty-security main restricted universe multiverse
deb trusty-updates main restricted universe multiverse
deb trusty-proposed main restricted universe multiverse
deb trusty-backports main restricted universe multiverse
deb-src trusty main restricted universe multiverse
deb-src trusty-security main restricted universe multiverse
deb-src trusty-updates main restricted universe multiverse
deb-src trusty-proposed main restricted universe multiverse
deb-src trusty-backports main restricted universe multiverse
#ubuntu 16.04 lts
deb xenial main
deb-src xenial main
deb xenial-updates main
deb-src xenial-updates main
deb xenial universe
deb-src xenial universe
deb xenial-updates universe
deb-src xenial-updates universe
deb xenial-security main
deb-src xenial-security main
deb xenial-security universe
deb-src xenial-security universe
#ubuntu 18.04 lts (bionic)
deb bionic main restricted universe multiverse
deb-src bionic main restricted universe multiverse
deb bionic-security main restricted universe multiverse
deb-src bionic-security main restricted universe multiverse
deb bionic-updates main restricted universe multiverse
deb-src bionic-updates main restricted universe multiverse
deb bionic-proposed main restricted universe multiverse
deb-src bionic-proposed main restricted universe multiverse
deb bionic-backports main restricted universe multiverse
deb-src bionic-backports main restricted universe multiverse
# 更新apt源，讀取新apt源到本地
apt updata
# 更新本地所有軟體包
apt upgrade
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