Error : The $cfg['TempDir'] (./tmp/) is not accessible. phpMyAdmin is not able to cache templates and will be slow because of this.
How To Fix ?
1) Make DIR in phpMyAdmin, Name : tmp #Default : /usr/share/phpmyadmin
Linux Command :
mkdir /usr/share/phpmyadmin/tmp2) Give it full permission 777 .
Linux Command :
chmod 777 tmp3) Save and exit.