Chronos Password Chromebook |top| Jun 2026

: You cannot use the standard passwd command easily for this. Instead, ChromeOS provides a specific utility. Run sudo chromeos-setdevpasswd in the shell to create or update your chronos password.

Historically, in very old builds of ChromeOS (circa Cr-48 pilot era), the credentials were often set to: chronos password chromebook

If you are using a ChromiumOS "test image" (common for developers), the default password is often test0000 . : You cannot use the standard passwd command easily for this

chromeos-setdevpasswd

For users utilizing Crouton (Chromium OS Universal Chroot Environment) to run Linux distributions (like Ubuntu) alongside ChromeOS, the chronos password is vital. the chronos password is vital.