Linux系统初始化更新（更换阿里源）（centos7mini）

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#linux #ubuntu #服务器

于 2019-05-17 10:54:34 首次发布

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博客介绍了Linux系统的配置与更新操作。包括Centos 6、7修改配置、更换yum更新源、更新系统及查看内核版本，还提及ubuntu 16的源目录位置、更新及更换源操作，最后有centos 7 mini初始化内容。

1. Centos6、7

修改Linux配置
更换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

更新系统
yum -y update

sudo yum list kernel -y

sudo yum update -y kernel

更新完成后，重启系统。(让新的内核版本生效)
重启后，查看内核版本：

2. ubuntu16

源目录位置：/etc/apt/sources.list

sudo apt-get update

sudo apt-get dist-upgrade

更换源

1.备份系统自带源

　　mv /etc/apt/sources.list /etc/apt/sources.list.bak

2.修改/etc/apt/sources.list文件

　　vim /etc/apt/sources.list  

　　加入如下内容


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 multiverse
　　

3.更新生效

　　apt-get update

3. centos7 mini初始化

系统初始化
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,将no改为yes
service network restart

更换国内镜像源
curl http://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