How To Install squid on Ubuntu 18.04

In this tutorial we learn how to install squid on Ubuntu 18.04. squid is Full featured Web Proxy cache (HTTP proxy)

Introduction

In this tutorial we learn how to install squid on Ubuntu 18.04.

What is squid

squid is:

Squid is a high-performance proxy caching server for web clients, supporting FTP, gopher, ICY and HTTP data objects.

Squid version 3 is a major rewrite of Squid in C++ and introduces a number of new features including ICAP and ESI support.

There are three methods to install squid on Ubuntu 18.04. We can use apt-get, apt and aptitude. In the following sections we will describe each method. You can choose one of them.

Install squid Using apt-get

Update apt database with apt-get using the following command.

sudo apt-get update

After updating apt database, We can install squid using apt-get by running the following command:

sudo apt-get -y install squid

Install squid Using apt

Update apt database with apt using the following command.

sudo apt update

After updating apt database, We can install squid using apt by running the following command:

sudo apt -y install squid

Install squid Using aptitude

If you want to follow this method, you might need to install aptitude first since aptitude is usually not installed by default on Ubuntu. Update apt database with aptitude using the following command.

sudo aptitude update

After updating apt database, We can install squid using aptitude by running the following command:

sudo aptitude -y install squid

How To Uninstall squid on Ubuntu 18.04

To uninstall only the squid package we can use the following command:

sudo apt-get remove squid

Uninstall squid And Its Dependencies

To uninstall squid and its dependencies that are no longer needed by Ubuntu 18.04, we can use the command below:

sudo apt-get -y autoremove squid

Remove squid Configurations and Data

To remove squid configuration and data from Ubuntu 18.04 we can use the following command:

sudo apt-get -y purge squid

Remove squid configuration, data, and all of its dependencies

We can use the following command to remove squid configurations, data and all of its dependencies, we can use the following command:

sudo apt-get -y autoremove --purge squid

References

Summary

In this tutorial we learn how to install squid package on Ubuntu 18.04 using different package management tools: apt, apt-get and aptitude.