CentOS 8.x Cloudstack 4.15 Initialize infrastructure server

<yambe:breadcrumb self="Initialize infrastructure server">CentOS 8.x Cloudstack 4.15|Cloudstack 4.15</yambe:breadcrumb>

CentOS 8.x Cloudstack 4.15 Initialize infrastructure server

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

<yambe:breadcrumb self="Initialize infrastructure server">CentOS 8.x Cloudstack 4.15|Cloudstack 4.15</yambe:breadcrumb>