By the way, is this an access issue?
==> Starting Update...Please be patient
==> Creating temporary directory to download update and unzip: update/v2.0.2.799
==> ERROR: Failed to create the directory: update/v2.0.2.799
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Yes. I have yet to identify what the permission is exactly. The current solution (it's an ugly solution) is to:
1) Navigate to the parent folder of cryptoglance
2) sudo chmod -R 777
3) sudo chown -R www-data:www-data