How to Install Gollum on Elementary OS

Gollum is a simple wiki that can be easily installed on Elementary OS. In this tutorial, we will guide you through the installation process step-by-step.

Prerequisites

You must have Elementary OS installed on your computer.
You must have administrative privileges.

Instructions

Open the terminal by pressing Ctrl + Alt + T.
Install Git, Ruby and build-essential by running the command:
```
sudo apt-get install git ruby-full build-essential
```
Install the bundler gem to manage dependencies:
```
sudo gem install bundler
```
Create a new directory where we will install Gollum:
```
mkdir -p ~/gollum/wiki
cd ~/gollum/wiki/
```
Initialize a new Git repository:
```
git init
```

Create a new Gemfile that will contain the required dependencies:

source 'https://rubygems.org'
gem 'gollum', '~> 5.2', '>= 5.2.3'

Install the required dependencies by running the following command:
```
bundle install
```
Initialize the Gollum wiki by running:
```
gollum --init
```
Start the Gollum server:
```
gollum
```
Gollum should now be running on http://localhost:4567. You can access the wiki by opening your web browser and visiting this URL.

Conclusion

You have successfully installed Gollum on your Elementary OS system. You can now use Gollum to create and manage your wikis.