I am unable to send an e-mail to help-guix@gnu.org mailing list so submitting as a bug kreyren@dreamon ~$ guix shell -CF bash coreutils mesa mesa-utils -- glxgears substitute: updating substitutes from '[https://substitutes.REDACTED](https://substitutes.nonguix.org/)'... 100.0% 0,4 MB will be downloaded glew-2.1.0 343KiB 4.0MiB/s 00:00 [##################] 100.0% mesa-utils-8.4.0 29KiB 3.9MiB/s 00:00 [##################] 100.0% The following derivation will be built: /gnu/store/r81kp1djl75p3c4bzqfjavnk53klqf2j-profile.drv applying 4 grafts for mesa-utils-8.4.0 ... building CA certificate bundle... listing Emacs sub-directories... building fonts directory... building directory of Info manuals... building profile with 5 packages... Error: couldn't open display (null) ^^^^^^^^^^^^^^^^^^^^^ Question: How can i make it to work by showing the glxgears? -- Jacob "Kreyren" Hrbek ------- Original Message ------- On Friday, November 4th, 2022 at 5:46 AM, Jacob Hrbek wrote: > kreyren@dreamon ~$ guix shell -CF bash coreutils mesa mesa-utils -- glxgears > substitute: updating substitutes from '[https://substitutes.REDACTED](https://substitutes.nonguix.org)'... 100.0% > 0,4 MB will be downloaded > glew-2.1.0 343KiB 4.0MiB/s 00:00 [##################] 100.0% > mesa-utils-8.4.0 29KiB 3.9MiB/s 00:00 [##################] 100.0% > The following derivation will be built: > /gnu/store/r81kp1djl75p3c4bzqfjavnk53klqf2j-profile.drv > > applying 4 grafts for mesa-utils-8.4.0 ... > building CA certificate bundle... > listing Emacs sub-directories... > building fonts directory... > building directory of Info manuals... > building profile with 5 packages... > Error: couldn't open display (null) > > Question: How can i make it to work by showing the glxgears? > -- Jacob "Kreyren" Hrbekil.