What is the default username and password for the GitLab?

The default login for the GitLab is: root / (blank) (web-ui); admin / 5iveL!fe (web-ui); admin@local.host / 5iveL!fe (web-ui); root / 5iveL!fe (web-ui).

How do I change the default password on the GitLab?

Log in with the default credentials, then open the administration / user settings and set a strong, unique password. Leaving default credentials in place is a serious security risk — change them immediately on any production device.

Server & Web Software

GitLab — Default Password

Default username and password for the GitLab: root / (blank). Learn how to log in and how to change the default credentials.

Omnibus installs generate a random root password stored temporarily in /etc/gitlab/initial_root_password.

Username	Password	Access	Notes
`root`	(blank / none)	Web UI	Randomly generated initial root password; legacy versions used 5iveL!fe
`admin`	`5iveL!fe`	Web UI	—
`admin@local.host`	`5iveL!fe`	Web UI	—
`root`	`5iveL!fe`	Web UI	—

Source: official docs

Responsible use

This database lists publicly documented default credentials so administrators can find and change them. Only use these on systems you own or are authorized to test.