[root@14LN yum]# egrep 'cachedir|keepcache' /etc/yum.conf
#cachedir=/var/cache/yum/$basearch/$releasever
cachedir=/usr/local/src/lnmp/yum#下载rpm包存放的位置
keepcache=1#1是保存缓存在本地0是不保存缓存在本地

[root@14LN yum]# ls /usr/local/src/lnmp/yum/
base extras timedhosts.txt updates