Permission Issues regarding Plugin updates & FTP transfers

WordPress needs a proper read - write permission to work. To make sure everythings fine, try this:

Go to you public_html folder and run the commands

chown www-data:www-data  -R *
find . -type d -exec chmod 755 {} \; 
find . -type f -exec chmod 644 {} \;  

After that, you might wanna tighten your security, read this

That’s what works on me, hope it works on you too…