VPS Servers

VPS (Virtual Private Server) is a virtual server with full control over the operating system and configuration.

Overview

Ordering a VPS

Step 1 — Select Service

1. Go to coresynth.io 
2. In the menu select VPS
3. Choose a plan based on your needs

Step 2 — Configuration

Select:

• Operating system (Ubuntu, Debian, CentOS, Fedora, Alpine)
• Data center
• Add-ons (backups, monitoring)

Step 3 — Complete Order

Complete the payment and the VPS will be created within a few minutes.

Operating System Installation

Step 1 — VNC Console

After VPS creation, open VNC Console in your dashboard.

Step 2 — Boot Menu

1. In the boot menu select CD/DVD
2. Mount your custom ISO (e.g. Ubuntu 22.04)
3. Reboot the server

Step 3 — OS Installation

Install the operating system following the on-screen instructions.

Note: For most cases we recommend Ubuntu 22.04 LTS.

Network Configuration

Warning: Correct network configuration is CRITICAL. Without it, the server will not be accessible.

Network Parameters

Ubuntu Configuration (netplan)

sudo nano /etc/netplan/01-netcfg.yaml

network:
  version: 2
  renderer: networkd
  ethernets:
    eth0:
      addresses:
        - 185.193.66.101/23
      gateway4: 185.193.66.1
      nameservers:
        addresses:
          - 1.1.1.1
          - 8.8.8.8

sudo netplan apply

First SSH Connection

Step 1 — SSH Connection

ssh [email protected]

Step 2 — Verification

After connecting you should see the server terminal.

Initial Configuration

After the first connection, perform basic setup:

System Update

apt update
apt upgrade -y

Install Basic Tools

apt install htop curl wget git nano ufw fail2ban

Set Timezone

timedatectl set-timezone Europe/Prague

Network Troubleshooting

Server Not Reachable

Cause: Incorrect network configuration.

Solution:

1. Check IP address and gateway via VNC Console
2. Verify netplan configuration
3. Restart network services: systemctl restart networking

Cannot Ping External Addresses

Cause: Missing DNS or gateway.

Solution:

# Test DNS
ping -c 4 1.1.1.1
 
# Verify gateway
ip route show

Next Steps

• Linux Basics — Learn basic commands
• VPS Security — Secure your server
• Firewall — Configure firewall
• Backups — Back up your data

Need help? Open a support ticket  or ask Alex.