Installation instructions are available in the Dell OpenManage repositories.
Dell OpenManage Repository
The following example will install OpenManage version 11 on an Ubuntu 22.04 headnode.
apt-get install gpg libssl-dev
echo ‘deb http://linux.dell.com/repo/community/openmanage/11000/jammy jammy main’ | sudo tee -a /etc/apt/sources.list.d/linux.dell.com.sources.list
apt-get update
sudo wget https://linux.dell.com/repo/pgp_pubkeys/0x1285491434D8786F.asc
sudo apt-key add 0x1285491434D8786F.asc
apt update
apt install srvadmin-idracadm8