I cannot figure out what the problem is with this… I would like to execute a command, which works in linux cli. I want curl to open an URL and save the output to a .png file. Seems to be very simple, but nothing happens… Anyone knows what I should modify?
Oh, this was a typical beginner question…
As far as I am not so good at linux administration, of course the problem was caused by the permissions: drwxrwxr-x+ 4 openhabian openhabian 4096 Nov 1 22:23 grafikonok
openhab user did not have permission to write in this directory.
I had to have some sleep, and think about it
If someone finds this topic with a similar issue, the solution is to change the owner of the directory with this command (from linux cli):