Raspberry hostname mismatch
cat /etc/hostname
cat /etc/hosts
Look for any differences. In my case the last line in /etc/hosts was 127.0.1.1 mypc-name and I needed to change it to match the output from /etc/hostname
cat /etc/hostname
cat /etc/hosts
Look for any differences. In my case the last line in /etc/hosts was 127.0.1.1 mypc-name and I needed to change it to match the output from /etc/hostname