rpm -Uvh xxxx --nodeps --force 无敌

有网的centos

mkdir /opt/yum
yum install --downloadonly --downloaddir=/opt  <package-name>
yum install --downloadonly --downloaddir=/opt createrepo
tar zcvf rpm.tar.gz /opt/yum

生产环境内网的centos

mkdir /opt/yum -p
cd /opt/yum
tar xf rpm.tar.gz
rpm -Uvh python-deltarpm-3.6-3.el7.x86_64.rpm libxml2-* deltarpm-3.6-3.el7.x86_64.rpm
rpm -ivh createrepo-0.9.9-28.el7.noarch.rpm 
createrepo /opt/yum


cd /etc/yum.repos.d/
mkdir bak
mv ./*.repo bak
vi local_yum.repo
[local_yum]
name=local_yum
baseurl=file:///opt/
gpgcheck=0
enabled=1
priority=1

yum clean all

yum install  -y <package-name>