CentOS Linux in VirtualBox

centos-linux-in-virtualbox.md

CentOS Linux in VirtualBox

• CentOS Linux 8.1.1911 (x86_64)
• VirtualBox 6.1.4 r136177 (64-bit) for Windows or macOS

VirtualBox VM settings

General

• Basic
  • Name: CentOS Linux 8.1.1911 (x86_64)
  • Type: Linux
  • Version: Red Hat (64-bit)

System

• Motherboard
  • Base Memory: 4096 MB
  • Boot Order:
    • Hard Disk
    • Optical
    • Network
    • Floppy
• Processor
  • Processor(s): 2

Display

• Screen
  • Video Memory: 128 MB

Storage

• Storage Devices
  • Controller: IDE
    • CentOS-8.1.1911-x86_64-dvd1.iso
  • Controller: SATA
    • disk0.vdi: 32.00 GB VDI (VirtualBox Disk Image), Dynamically allocated

CentOS installation settings

Installation Summary screen

• Software Selection
  • Base Environment: Server with GUI
  • Additional software for Selected Environment:
    • Guest Agents
• Network & Hostname
  • Ethernet: ON
• Installation Destination
  • Leave the default hard drive selected — just click Done at the top.
• Begin Installation

During installation

• Root Password
• User Creation
  • Make this user administrator

CentOS system settings

After installation is complete:

• Indicator menu (top right corner) ▼ Settings (🛠)
  • Power
    • Blank screen: Never
  • Devices ▶ Displays
    • Resolution: 1280 × 960 (4:3)

CentOS updates

• Activities (top left corner) ▶ Software
  • Updates tab ▶ Download
    • This may take awhile.
    • Reboot when prompted.

VirtualBox Guest Additions

Install prerequisites

• Activities (top left corner) ▶ Terminal
  • Install kernel headers:
    • sudo yum install kernel-devel
  • Install development tools (GNU Compiler Collection, Make, and Perl):
    • sudo yum install gcc make perl
  • Install ELF development libraries and headers:
    • sudo yum install elfutils-libelf-devel.x86_64

Install VirtualBox Guest Additions

• Activities (top left corner) ▶ Files
  • Eject CentOS-8-1-1911-x86_64-dvd ⏏
• Release the mouse from the VM by pressing VirtualBox's configured "host key".
  • Windows: Right Ctrl by default.
  • macOS: Left Command (⌘) by default.
• VirtualBox VM ▶ Devices menu ▶ Insert Guest Additions CD image...
  • In the VM, it should prompt to run it; do so.
  • This may take awhile.
  • Eventually, it should complete without any warnings or error messages.
    • Press Return to close this window...