How-to-upload-an-image-to-OpenStack.md

-### Get credentials
-Folow [this guide](https://cloud.gitlab-pages.ics.muni.cz/documentation/cli/#getting-credentials)
+### Get application credentials
+- Go to Identity > Application Credentials and click Create Application Credential
+- Check the Unrestricted checkbox
+- Create Application Credentials
+- Download openrc file
 
-### Upload image
+Use the application credentials by running
+```bash
+. <name-of-the-openrc-file>
+```
+All openstack commands will then use the credentials.
 
-Once you have access to OpenStack via console, use ```openstack image create --file <pathToImage> --property hw_scsi_model=virtio-scsi --property hw_disk_bus=scsi --property hw_rng_model=virtio --property hw_qemu_guest_agent=yes --property os_require_quiesce=yes --property os_type=<linux/windows> --property os_distro=<distroName> <newImageName>```.
+### Upload image
+Run
+```bash
+openstack image create --file <pathToImage> --property hw_scsi_model=virtio-scsi \
+--property hw_disk_bus=scsi --property hw_rng_model=virtio \
+--property hw_qemu_guest_agent=yes --property os_require_quiesce=yes \
+--property os_type=<linux/windows> --property os_distro=<distroName> <newImageName>
+```
 
 List of valid distribution names and more properties is [here](https://docs.openstack.org/glance/latest/admin/useful-image-properties.html).