参考链接:
https://www.cnblogs.com/sky-cheng/p/14951071.html
https://www.dell.com/community/Systems-Management-General/Has-Centos7-support-just-been-removed-for-DSU/td-p/8283805#M32669
由于centos7的源已经被dell移除，需要作如下修改
wget -q -O - http://linux.dell.com/repo/hardware/latest/bootstrap.cgi | bash
vi /etc/yum.repos.d/dell-system-update.repo
# 注释
#baseurl=https://linux.dell.com/repo/hardware/dsu/os_independent/
# 添加
baseurl=https://linux.dell.com/repo/hardware/DSU_22.08.12/os_independent/
# 注释
#mirrorlist=https://linux.dell.com/repo/hardware/dsu/mirrors.cgi?osname=el$releasever&basearch=$basearch&native=...
# 添加
baseurl=https://linux.dell.com/repo/hardware/DSU_22.08.12/os_dependent/RHEL7_64/
yum makecache
yum install srvadmin-all --enablerepo=base
yum -y install OpenIPMI srvadmin-all
ln -s /opt/dell/srvadmin/sbin/srvadmin-services.sh /usr/sbin/
srvadmin-services.sh start
https://ip:1311 # 测试访问