The default inactivity timeout for the web client on ESXi 6.5 is 900s or 15mins. To increase the timeout, go to Manage / System / Advanced Settings and search for ‘HostClient.SessionTimeout’:
Thanks to this post for the tip.
Enabling eth0 on boot on CentOS 7
By default after a new install of CentOS 7, the eth0 interface is not enabled at boot. To enable, edit /etc/sysconfig/network-scripts/ifcfg-eth0
Find this line at the bottom:
ONBOOT=no
and change to yes. Reboot, now eth0 should be active.
More info here.
Adding users to the sudoers group on CentOS 7
Per tip in this article here, add users to the wheel group to grant sudoer access (as root):
usermod -aG wheel username
Using systemctl to start, stop and enable service start at boot
sytemd managed services are controlled using systemctl.
To start|stop a service:
sudo systemctl start|stop servicename
To set a service to start on boot:
sudo systemctl enable servicename
More examples and details in this article.