SQLSTATE[HY000]: General error: 23 Out of resources when opening file '/tmp/#sql_360_0.MYD' (Errcode: 24)

sudo apt-get clean
sudo apt-get update
sudo apt-get install openssl libssl1.0.0
reboot

sudo apt-get upgrade
reboot

/etc/security/limits.conf

and add:
mysql soft nofile ....
mysql hard nofile ....