Boot IMG from ISO

hdiutil convert -format UDRW -o inews.img /Users/Bill/Downloads/iNEWS_5.2.1_Multi.iso
Reading iNEWS_5.2.1 (Apple_ISO : 0)…
...............................................................................................................
Elapsed Time:  5.771s
Speed: 202.3Mbytes/sec
Savings: 0.0%
created: /Users/Bill/raspberry/inews.img.dmg

CentOS ISO

Copy CentOS ISO to USB stick
Install from USB stick to HDD

Networking 

Start tool: nmtui

Activate

yum install net-tools

yum install gnome-shell

yum groupinstall "X Window System" "Desktop" "Desktop Platform"

Listing in yum
yum group list

 yum group install "Development Tools"