【yum仓库实现，yum使用】1，2

https://edu.aliyun.com/lesson_1732_14268?spm=5176.8764728.0.0.52c26de89dzjE9#_14268

rpm -K 包
ls /misc/cd/RPM-GPG-KEY-Centos-7

yum源本地服务器搭建

cd /etc/yum.repos.d/
ls /misc/cd

mkdir bak
mv *.repo bak
vim base.repo

yum repolist

yum list 包
echo $?

yum clean all

yum history
yum history info 2
yum history undo 2
yum history redo 2

yum仓库http服务器

yum install httpd
cd /var/www/html
rpm -ql httpd| gerp service
systemctl start httpd.service

yum clean all
yum repolist