How to Install Docker and Run Containers on a Hosteons VPS

Docker is one of the most popular tools for deploying and managing applications in isolated environments called containers. With a Hosteons VPS, you have full root access and KVM virtualization — making it perfect for running Docker!

In this guide, we’ll show you how to install Docker on a VPS (Ubuntu/CentOS/AlmaLinux) and run your first container.


✅ Prerequisites

  • A Hosteons VPS with root access
  • OS: Ubuntu 20.04/22.04 or CentOS 7/8 / AlmaLinux 8/9
  • Updated system packages

🚀 Step 1: Update Your VPS

Ubuntu/Debian:

sudo apt update && sudo apt upgrade -y

CentOS/AlmaLinux:

sudo yum update -y
# OR
sudo dnf update -y

🚀 Step 2: Install Docker

For 

Ubuntu

:

sudo apt install apt-transport-https ca-certificates curl software-properties-common -y
curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo apt-key add -
sudo add-apt-repository \
  "deb [arch=amd64] https://download.docker.com/linux/ubuntu $(lsb_release -cs) stable"
sudo apt update
sudo apt install docker-ce docker-ce-cli containerd.io -y

For 

CentOS/AlmaLinux

:

sudo yum install -y yum-utils
sudo yum-config-manager \
    --add-repo \
    https://download.docker.com/linux/centos/docker-ce.repo
sudo yum install docker-ce docker-ce-cli containerd.io -y

For AlmaLinux 8/9, replace yum with dnf where needed.


🚀 Step 3: Start and Enable Docker

sudo systemctl start docker
sudo systemctl enable docker

Check status:

sudo systemctl status docker

🚀 Step 4: Run a Test Container

Run a basic hello-world container:

sudo docker run hello-world

If everything is set up correctly, you’ll see a message from Docker saying your installation is working.


🚀 Step 5: Run Any Container (Example: NGINX)

sudo docker run -d -p 80:80 nginx

Visit your VPS IP in a browser to see the default NGINX welcome page.


⚡ Bonus Tips

  • Add your user to the docker group to avoid using sudo:
sudo usermod -aG docker $USER

Then log out and log back in.

  • You can manage Docker containers using tools like Portainer for a web UI:
sudo docker volume create portainer_data
sudo docker run -d -p 9000:9000 --name=portainer \
    --restart=always \
    -v /var/run/docker.sock:/var/run/docker.sock \
    -v portainer_data:/data \
    portainer/portainer-ce

Access it at: http://your-server-ip:9000


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How to Set Up a Private Proxy Server on Your KVM VPS

Setting up a private proxy server on your KVM VPS is a great way to enhance privacy, control internet access, or bypass geo-restrictions. In this tutorial, we’ll guide you through the process of installing and configuring a private HTTP/HTTPS proxy server using Squid — a powerful, flexible, and widely-used caching proxy.


✅ 

Prerequisites

  • KVM VPS from Hosteons
  • Root access to your VPS
  • Ubuntu 20.04/22.04 or CentOS/AlmaLinux 8/9 installed

🔧 

Step-by-Step Setup Using Squid Proxy

Step 1: Update System Packages

# For Ubuntu/Debian
sudo apt update && sudo apt upgrade -y

# For CentOS/AlmaLinux
sudo dnf update -y

Step 2: Install Squid

# Ubuntu/Debian
sudo apt install squid -y

# CentOS/AlmaLinux
sudo dnf install squid -y

Step 3: Backup Default Config

sudo cp /etc/squid/squid.conf /etc/squid/squid.conf.backup

Step 4: Configure Squid

Edit the config:

sudo nano /etc/squid/squid.conf

Look for and modify these lines:

http_port 3128

Add this at the top or near ACL section to allow only your IP:

acl allowed_ips src YOUR_IP_HERE
http_access allow allowed_ips
http_access deny all

Replace YOUR_IP_HERE with your real IP. You can get it from https://ipinfo.io


Step 5: Restart Squid

# Ubuntu/Debian
sudo systemctl restart squid

# CentOS/AlmaLinux
sudo systemctl restart squid

Step 6: Enable on Boot

sudo systemctl enable squid

🔍 

Step 7: Test Your Proxy

Configure your browser or tool to use your VPS IP and port 3128 as the HTTP/HTTPS proxy. You can use websites like https://whatismyipaddress.com to verify your outgoing IP.


🔐 

(Optional) Add Authentication to Your Proxy

To prevent misuse, you can add basic authentication.

  1. Install Apache utils:
sudo apt install apache2-utils -y  # Ubuntu/Debian
sudo dnf install httpd-tools -y   # CentOS/AlmaLinux
  1. Create password file and user:
sudo htpasswd -c /etc/squid/passwd proxyuser
  1. Edit squid.conf and add:
auth_param basic program /usr/lib/squid/basic_ncsa_auth /etc/squid/passwd
auth_param basic realm Proxy
acl authenticated proxy_auth REQUIRED
http_access allow authenticated
  1. Restart Squid again.

✅ 

Done!

You now have a fully working private proxy server running on your Hosteons KVM VPS! This setup is lightweight, secure (with IP whitelisting or optional authentication), and suitable for personal or development use.


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🛠️ How to Install WordPress on a HostEONS VPS

🚀 Full Root Access | 🔐 Secure Setup | 🌍 Open-Source Power

If you’re ready to take full control of your WordPress website, installing it on a HostEONS VPS is the best way to go. Unlike shared hosting, a VPS gives you dedicated resourcesfull root access, and the ability to customize your server exactly the way you want.

This guide will walk you through how to install WordPress on a HostEONS VPS step-by-step.


✅ Prerequisites

Before you begin, make sure you have:

  • HostEONS VPS with a clean install of Ubuntu 20.04 or 22.04
  • Root SSH access
  • A registered domain (you can buy one from HostEONS Domains)
  • Pointed the domain’s A record to your VPS IP

🔧 Step 1: Update the Server

Log into your VPS using SSH:

ssh root@your-server-ip

Update your package list:

apt update && apt upgrade -y

☁️ Step 2: Install Required Software (LEMP Stack)

1. 

Install NGINX

apt install nginx -y

Start and enable NGINX:

systemctl start nginx
systemctl enable nginx

2. 

Install MySQL

apt install mysql-server -y

Secure your database setup:

mysql_secure_installation

Then log in and create a database for WordPress:

mysql -u root -p

CREATE DATABASE wordpress;
CREATE USER 'wpuser'@'localhost' IDENTIFIED BY 'strongpassword';
GRANT ALL PRIVILEGES ON wordpress.* TO 'wpuser'@'localhost';
FLUSH PRIVILEGES;
EXIT;

3. 

Install PHP

apt install php-fpm php-mysql php-cli php-curl php-gd php-mbstring php-xml php-xmlrpc php-soap php-intl php-zip -y

🌐 Step 3: Configure NGINX for WordPress

Create a new NGINX config:

nano /etc/nginx/sites-available/yourdomain.com

Paste the following:

server {
    listen 80;
    server_name yourdomain.com www.yourdomain.com;

    root /var/www/html;
    index index.php index.html;

    location / {
        try_files $uri $uri/ /index.php?$args;
    }

    location ~ \.php$ {
        include snippets/fastcgi-php.conf;
        fastcgi_pass unix:/run/php/php8.1-fpm.sock;
    }

    location ~ /\.ht {
        deny all;
    }
}

Activate the config:

ln -s /etc/nginx/sites-available/yourdomain.com /etc/nginx/sites-enabled/
nginx -t
systemctl reload nginx

📥 Step 4: Download and Install WordPress

Navigate to web root:

cd /var/www/html
rm index.nginx-debian.html

Download WordPress:

wget https://wordpress.org/latest.tar.gz
tar -xvzf latest.tar.gz
mv wordpress/* .
rm -rf wordpress latest.tar.gz

Set the correct permissions:

chown -R www-data:www-data /var/www/html
chmod -R 755 /var/www/html

✍️ Step 5: Configure wp-config.php

Copy the sample config:

cp wp-config-sample.php wp-config.php

Edit it:

nano wp-config.php

Update the database section with the credentials you created earlier:

define( 'DB_NAME', 'wordpress' );
define( 'DB_USER', 'wpuser' );
define( 'DB_PASSWORD', 'strongpassword' );
define( 'DB_HOST', 'localhost' );

Save and exit.


🔑 Step 6: Finish Installation via Browser

Now go to:

http://yourdomain.com

Follow the on-screen instructions to complete the setup:

  • Choose your language
  • Set your site title, username, password, and email
  • Log in to your new WordPress dashboard

🎉 Done! You’re Now Running WordPress on a HostEONS VPS

You’ve successfully installed WordPress on your VPS! You now have full control over your hosting environment, with speed and security unmatched by shared hosting platforms.