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Table of Contents

We recommend the installation and use of the Docker program, but this type can be used for small projects.  

Preparing Ubuntu on a virtual machine for a Link server

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If you already have a server based on Ubuntu, skip this section and go to Installing Link under Linux: Ubuntu. If no, follow the steps:

  1. Download the Oracle VM VirtualBox. 
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  2. Open the downloaded file to install the program.
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  3. Click Next.
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  4.  Select the way for installation and click Next. 
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  5. Select appropriate options and click Next.
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  6. Confirm installation by clicking Yes and then Install.
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  7. Finish the process.
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  8. Download the Ubuntu server image and configure the virtual machine.
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  9. Open the Oracle VM VirtualBox and click New.
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  10. Select downloaded in the Step 8 file. 
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  11. Create username and password and click Next. We recommend the following values: 
    • username: linkuser
    • password: qwerty11!@
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  12. Set base memory as shown.
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  13. Create a Virtual disk with the following parameter and click Next.
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  14. Click Finish.
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  15. Open your machine settings.
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  16. Go to the Network tab and set the following adapter settings as shown on the screen. Click Ok.  
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  17. Start the created machine. 
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Configuration of the OS to install the Link server 

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  1. Select a language and click Enter.
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  2. Press Continue without updating option.
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  3. Press Done on the next 6 pages.
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  4. Press Continue.
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  5. Fill in the required fields with the following data and click Done when it is ready: 

    • your name: linkuser

    • your server’s name: linkuser

    • pick a username: linkuser

    • choose a password: qwerty11!@

    • confirm your password: qwerty11!@
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  6. Press the space bar to choose the Install OpenSSH server option and press Done.
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  7. Scroll down and press Done.
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  8. Wait for the system to update. It can take about 30 minutes.
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  9. Press Reboot Now.
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  10. After reboot enter your login and password and log in:
    • login: linkuser 
    • password: qwerty11!@
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  11. To run a command as administrator (user “root”), use the command: sudo su. Enter password qwerty11!@. The dollar icon should change to a hash.
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  12. Enter the ifconfig command to find out the IP address (in the future you can use as static it or register another one).
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  13. You can perform the following steps in the SSH and telnet client PuTTY. After downloading and installing, run the program.
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  14. Enter the address you found and press Open.
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  15. Press Accept.
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  16. Return to Oracle VM VirtualBox and enter your login and password to log in: 
    • login: linkuser
    • password: qwerty11!@
      To run a command as administrator (user “root”), use the command: sudo su. Enter password qwerty11!@. The dollar icon should change to a hash.
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  17. Go to the root folder: cd ../../

  18. Go to the Netplan section and open the document to edit the network settings:

    Code Block
    cd etc/netplan
ls
vi 00-installer-config.yaml

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  19. The network is configured for DHCP. You need to set up a static IP address.
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  20. Press "I" to switch to edit mode and adjust the settings as shown in the example:

    • addresses: [192.168.1.23/24] (where 192.168.1.23 is your local IP address, /24 is your subnet mask (255.255.255.0), if you have another subnet mask, check the correct number here)

    • gateway4: 192.168.1.1

    • nameservers: addresses: [192.168.1.1,8.8.8.8]
                            search: []

  21. Press Esc and then Shift Z twice.

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  22. Accept the network settings. Check if the internet connection is working.

    Code Block
    sudo netplan apply
ping 8.8.8.8
Ctrl z

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  23. If everything is working correctly, the configuration is done.