笔记

ip add # 获取网卡信息

vi /etc/sysconfig/network-scripts/ifcfg-eth0

HWADDR="00:00:00:F3:A2:DD"
BOOTPROTO=STATIC
IPADDR=192.168.129.129
NETMASK=255.255.255.0
GATEWAY=192.168.129.2
DNS1=114.114.114.114
IPV6INIT=NO
# IPV6*
# UUID
ONBOOT=YES

systemctl restart network.service # 重启网络设置

ping baidu.com # 检测网络

yum upgrade

yum install perl* # 安装Perl

更换yum源

ll /etc/yum.repos.d/
mkdir /opt/centos-yum.bak # 把默认Yum源备份
mv /etc/yum.repos.d/* /opt/centos-yum.bak/
wget -O /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-7.repo # 下载aliyun Yum源repo文件
yum clean all //清除缓存
yum makecache        //把Yum源缓存到本地，加快软件的搜索好安装速度
yum list        //总共列出了9954个包
yum -y install vim  //测试