1. Centos6、7

修改Linux配置
更換yum 更新源
mv /etc/yum.repos.d/CentOS-Base.repo /etc/yum.repos.d/CentOS-Base.repo.backup
wget -O /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-6.repo
yum clean all
yum makecache

更新系統
yum -y update

sudo yum list kernel -y

sudo yum update -y kernel

更新完成后，重啟系統。(讓新的內核版本生效)
重啟后，查看內核版本：

2. ubuntu16

源目錄位置：/etc/apt/sources.list

sudo apt-get update

sudo apt-get dist-upgrade

更換源

1.備份系統自帶源mv /etc/apt/sources.list /etc/apt/sources.list.bak2.修改/etc/apt/sources.list文件vim /etc/apt/sources.list 加入如下內容deb-src http://archive.ubuntu.com/ubuntu xenial main restricted #Added by software-properties deb http://mirrors.aliyun.com/ubuntu/ xenial main restricted deb-src http://mirrors.aliyun.com/ubuntu/ xenial main restricted multiverse universe #Added by software-properties deb http://mirrors.aliyun.com/ubuntu/ xenial-updates main restricted deb-src http://mirrors.aliyun.com/ubuntu/ xenial-updates main restricted multiverse universe #Added by software-properties deb http://mirrors.aliyun.com/ubuntu/ xenial universe deb http://mirrors.aliyun.com/ubuntu/ xenial-updates universe deb http://mirrors.aliyun.com/ubuntu/ xenial multiverse deb http://mirrors.aliyun.com/ubuntu/ xenial-updates multiverse deb http://mirrors.aliyun.com/ubuntu/ xenial-backports main restricted universe multiverse deb-src http://mirrors.aliyun.com/ubuntu/ xenial-backports main restricted universe multiverse #Added by software-properties deb http://archive.canonical.com/ubuntu xenial partner deb-src http://archive.canonical.com/ubuntu xenial partner deb http://mirrors.aliyun.com/ubuntu/ xenial-security main restricted deb-src http://mirrors.aliyun.com/ubuntu/ xenial-security main restricted multiverse universe #Added by software-properties deb http://mirrors.aliyun.com/ubuntu/ xenial-security universe deb http://mirrors.aliyun.com/ubuntu/ xenial-security multiverse3.更新生效apt-get update

3. centos7 mini初始化

系統初始化 systemctl stop NetworkManager systemctl disable NetworkManager echo nameserver 114.114.114.114 > /etc/resolv.conf vi /etc/sysconfig/network-scripts/ifcfg-ens33 修改文件中的ONBOOT=no,將no改為yes service network restart更換國內鏡像源 curl https://mirrors.aliyun.com/repo/Centos-7.repo > /etc/yum.repos.d/CentOS-Base.repo 添加阿里云epel curl http://mirrors.aliyun.com/repo/epel-7.repo > /etc/yum.repos.d/epel.repo 配置生效 yum clean all; yum makecache

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總結

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