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Step 1. Installing OS and Snap 🛠️

  1. Install Ubuntu.
  2. Don’t forget to check Install OpenSSH server (to be able to copy commands).
  3. When it boots up, connect via SSH (PowerShell): ssh user@IP-ADDRESS

Step 2. One Command Magic (Snap) 🫰

We use the Snap package manager. It will download Nextcloud, a pre-configured database, the Apache web server, and PHP all in one piece. This is the “bulletproof” way. Type in the console:

sudo snap install nextcloud

(Wait a couple of minutes while it downloads and extracts the archive). When you see a checkmark or “installed”, the server is up.

Step 3. Initial Setup (Creating Admin) 👤

We need to create the main user directly from the console so we don’t struggle with the web interface at the initial stage. Replace admin and password with your own (choose a stronger password!):

sudo nextcloud.manual-install admin password

If it says Nextcloud was successfully installed, you’re already the owner of your own cloud!

Step 4. Allow Access (Trusted Domains) 🔓

Nextcloud has (justifiably) paranoid security. By default it only allows access from the IP it’s running on. But we’ll be accessing it from a real computer. We need to add the server’s IP to the “Trusted” list. Check your IP with ip addr (e.g., 10.0.1.50). Enter the command to allow access from this IP:

sudo nextcloud.occ config:system:set trusted_domains 1 --value=10.0.1.50

(Replace 10.0.1.50 with the real IP of your VirtualBox VM!)

Step 5. Logging into the Cloud ☁️

  1. Open a browser on your real PC.
  2. Enter the address: http://10.0.1.50 (or whatever IP the VM has).
  3. Enter login admin and your password. You should see a beautiful interface with files, folders, and a welcome message.

Step 6. Enable Encryption (In One Line) 🔒

Since we used Snap, this is straightforward. We’ll create a “Self-signed Certificate”. The browser will grumble that it “doesn’t know the issuer”, but traffic will be encrypted and intercepting the password will be impossible.

  1. Connect via SSH to the Nextcloud server.
  2. Enter the command:
sudo nextcloud.enable-https self-signed

Step 7. Verification ✅

  1. Now in the browser enter the address with https:// at the start: https://10.0.1.50 (your IP).
  2. The browser will show a scary window: “Your connection is not private”.
    • This is normal! We issued the certificate ourselves, not bought it.
  3. Click Advanced Proceed to… (unsafe). If you see the Nextcloud interface — congratulations, encryption is enabled!