It sounds like you don't have the GD extension installed. I don't use Ubuntu any longer, but I think it may be named php5-gd,...
On a debug site I would recommend uncommenting the following lines in theĀ fileĀ settings.php. nano sites/default/settings.php if (file_exists(__DIR__ . '/settings.local.php')) { include __DIR__ . '/settings.local.php'; } In addition to adding...
How To Install Webmin on Debian 10 Installing Webmin sudo nano /etc/apt/sources.list Then add this line to the bottom of the file to add the new repository: deb...