CentOS 8.x Cloudstack 4.15 Initialize infrastructure server

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Cloudstack setup is distributed with management server, DB server, hosts, etc. Most of those machines need common initialization (Eg Java setup). Basic set of initialization step for cloudstack infrastructure servers are:

  1. Set desired hostname 
    hostnamectl set-hostname <desired-hostname>
  2. Disable SELinux using 
    setenforce 0
    Edit '/etc/sysconfig/selinux' 
    SELINUX=disabled
  3. Disable and stop firewalld 
    systemctl stop firewalld
    

    systemctl disable firewalld
  4. Install Java 11: 
    dnf -y install java-11-openjdk-devel
  5. Validate that Java 11 is default 
    alternatives --display java
  6. Configure chronyc for getting correct time via NTP using CentOS 8.x chronyc ntp client configuration



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