官网

https://access.redhat.com/documentation/en-US/Red_Hat_Enterprise_Linux/6/html/Deployment_Guide/ch-yum.html#sec-Checking_For_and_Updating_Packages

makecache

https://access.redhat.com/documentation/en-US/Red_Hat_Enterprise_Linux/6/html/Deployment_Guide/sec-Working_with_Yum_Cache.html

yum list glob_expression   全局表达式搜索

yum list ntp*

yum list ntp-*86*

yum list exp1 exp2   并集搜索

yum list installed expression

yum list all

yum repolist

yum list available

yum info pkgname

yum install -y pkgname1 pkgname2

yum remove pkgname1 pkgname2

在线安装缓存

sed -i ‘s/keepcache=0/keepcache=1/g‘ /etc/yum.conf

缓存地址：/var/cache/yum/

yum 知识整理