Installing Squid on Fedora CoreOS

Squid is a popular open-source proxy server that is used to enhance website performance by caching frequently requested resources. In this tutorial, we will guide you through the installation process of Squid on Fedora CoreOS latest version.

Prerequisites

Before starting with the installation process, you need to have:

1. A running instance of Fedora CoreOS.
2. Administrative access to the instance.

Step 1: Install Squid

By default, the Squid package is not included in Fedora CoreOS, so you need to install it manually. Follow the below steps to install Squid on Fedora CoreOS:

1. Open the terminal by pressing the Ctrl + Alt + T keyboard shortcut.

2. Enter the below command to update the package repository:

   sudo dnf update -y
   

3. Enter the below command to install the Squid package:

   sudo dnf install squid -y
   

   This command will download and install the Squid package along with all its dependencies.

Step 2: Configure Squid

Once the Squid package is installed, you need to configure its behavior. The Squid configuration file is located at /etc/squid/squid.conf. You can use any text editor to open and modify this file.

Here is an example configuration to get started:

acl localnet src 192.168.0.0/16   # RFC1918 possible internal network
acl SSL_ports port 443
acl Safe_ports port 80          # http
acl Safe_ports port 21          # ftp
acl Safe_ports port 443         # https
acl Safe_ports port 70          # gopher
acl Safe_ports port 210         # wais
acl Safe_ports port 1025-65535  # unregistered ports
acl Safe_ports port 280         # http-mgmt
acl Safe_ports port 488         # gss-http
acl Safe_ports port 591         # filemaker
acl Safe_ports port 777         # multiling http
acl CONNECT method CONNECT

http_access deny !Safe_ports
http_access deny CONNECT !SSL_ports
http_access allow localhost manager
http_access deny manager
http_access allow localnet
http_access allow localhost
http_access deny all
http_port 3128
visible_hostname fedoracoreos

This configuration file is quite simple and should be enough to get started.

Step 3: Start the Squid Service

After configuring the Squid service, start it by running the below command:

sudo systemctl start squid

To make the Squid service start automatically on system boot, run the below command:

sudo systemctl enable squid

Conclusion

In conclusion, Squid is a powerful tool that can drastically improve website performance through caching. This tutorial will guide you through the installation and configuration of Squid on Fedora CoreOS. Once complete, you can start using Squid to accelerate your web traffic.

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