Installing Ubuntu OS

Before installing ZTNA, you must first install Ubuntu OS 24.04.

Note

In virtualized environments, it is recommended to set secure boot to disabled before installing Ubuntu OS.
When secure boot is enabled, some modules may not load properly.

Prepare Hardware

You can install the Policy Server on a physical system or a virtual machine.

Minimum Requirements

Component

CPU

Memory

Disk

ZTNA Policy Server

Intel® Core i3-12100 @ 3.3GHz (4C8T) or higher

DDR4 16GB or higher

SSD 512GB or higher

ZTNA Network Sensor

Intel® Processor N95 @ Max 3.4GHz (4C4T) or higher

DDR4 4GB or higher

SSD 128GB or higher

Note

You can install the Policy Server on a virtual machine.
ZTNA supports various hypervisors such as VMware, VirtualBox, and XenServer.

Prerequisites

  1. Prepare the image file

  2. If installing on hardware, create a bootable USB

  3. If installing on an AWS instance

    • Prepare the instance according to your cloud provider's documentation (e.g., AWS EC2 Launch Instance guide).

Install Ubuntu 24.04.4 LTS

Install Ubuntu Server using the image file downloaded from the official Ubuntu website.

Step 1: Boot the device

  • If installing on hardware: Boot the device using the bootable USB.

  • If installing in a virtual machine: Attach the downloaded ISO file to the VM and boot.

Step 2: Install Ubuntu

  1. Boot from the bootable media that contains the Ubuntu Server installation image.

  2. Select the language that suits your environment.

    언어 선택 화면
  3. Configure the keyboard layout.

    키보드 레이아웃 설정 화면
  4. Select Ubuntu Server as the installation type.

    Ubuntu Server 설치 타입 선택
  5. For network configuration, select the network interface in use.

  6. Select Edit IPv4.

    네트워크 인터페이스 설정 화면
  7. Change Automatic (DHCP) to Manual.

    IPv4 수동 설정 선택
  8. Enter the values according to the table below and select Save.

    IPv4 수동 설정 입력 화면

    Note

    Field (Required)

    Description

    Subnet

    Subnet mask

    Address

    Static IP address assigned to the device

    Gateway

    Gateway address

    Name Server

    DNS server address

    Search domains

    Leave blank

  9. Verify that the configured static IP has been applied.

    IP 설정 확인 화면
  10. If using a proxy server, enter the Address; otherwise, leave it blank and select Done.

    프록시 서버 설정 화면
  11. If you have a preferred Ubuntu Mirror Server, set it; otherwise, use the automatically populated value and select Done.

    미러 서버 설정 화면
  12. Uncheck Set up this disk as an LVM group and select Done.

    디스크 파티셔닝 옵션 화면
  13. Review the partition/file system changes and select Done.

    파티션 변경 요약 확인
  14. If there are no issues with the partition changes, select Continue.

    Confirm partition changes applied
  15. Enter the Ubuntu OS user information using the table below and select Done.

    사용자 정보 입력 화면

    Note

    Field (Required)

    Description

    Your name

    User name

    Your computer’s name

    Device name

    Pick a username

    Ubuntu login account (ID)

    Choose a password

    Login password

    Confirm your password

    Confirm login password

  16. Check Install OpenSSH server for remote access.

    OpenSSH 서버 설치 선택
  17. Do not install additional features; select Done.

    추가 기능 설치 화면
  18. When Install complete appears at the top left, select Reboot Now.

    설치 완료 및 재부팅
  19. Log in with the user information you entered earlier.

Next Steps After Installation

Ubuntu Server installation is complete. Proceed with the next installation according to your use case.