RAC installation on OEL 9.2 and
RAC installation on OEL 7.9 Dissable the firewall: systemctl stop firewalld systemctl disable firewalld systemctl status firewalld cat /etc/selinux/config sed -i --follow-symlinks 's/SELINUX=enforcing/SELINUX=disabled/g' /etc/selinux/config cat /etc/selinux/config Add the below entries into the /etc/hosts file vi /etc/hosts Public Ip 192.168.56.120 19crac01.oracle.com 19crac01 192.168.56.121 19crac02.oracle.com 19crac02 10.10.10.101 19crac0-priv.oracle.com 19crac01-priv 10.10.10.102 19crac02-priv.oracle.com 19crac02-priv 192.168.56.123 19crac01-vip.oracle.com 19crac01-vip 192.168.56.124 19crac02-vip.oracle.com 19crac02-vip Add the scan ip entries into the dns vi /etc/racdns 192.168.56.127 prod-scan.oracle.com rac-scan 192.168.56.128 prod-scan.oracle.com rac-scan 192.168.56.129 prod-scan.oracle.com rac-scan vi /etc/dnsmasq.conf addn-hosts= /etc/racdns :wq vi /etc/resolv.conf nameserver 127.0....