Install gitlab under Ubuntu 16.0.4

1. Install dependencies

sudo apt-get update
sudo apt-get install -y curl openssh-server ca-certificates

2. Mail configuration

Choose the Internet option, without Smarthost
sudo apt-get install -y postfix

3. Add mirror

Free
curl https://packages.gitlab.com/install/repositories/gitlab/gitlab-ce/script.deb.sh | sudo bash
Enterprise Edition
curl https://packages.gitlab.com/install/repositories/gitlab/gitlab-ee/script.deb.sh | sudo bash

4. Installation

sudo apt-get update
sudo apt-get install gitlab-ce or sudo apt-get install gitlab-ee

5. Configure the access path

sudo -e /etc/gitlab/gitlab.rb
Modify the path in the figure below

6. Update configuration

sudo gitlab-ctl reconfigure

7. Restart gitlab

sudo gitlab-ctl restart
The result is as follows

8. Open sshd and postfix services

service sshd start
service postfix start

9. View gitlab server status

sudo gitlab-ctl status

10. Results

Visit http://127.0.0.1 in the browser