Earlier today I updated my ISPConfig installation to version 3.1.14p2 by running the standard update script; as usual I selected the default options in each case. My system is Ubuntu Server 18.04.2 with Apache 2.4.29, MySQL 10.1.40-MariaDB, PHP 7.2.19. The update seemed to go fine, except that I got the following warning ten times right at the end, immediately before seeing the 'Update completed' message: PHP Warning: mysqli_connect(): (HY000/2002): No such file or directory in /tmp/update_stable.sh.KpNahfWuoo/ispconfig3_install/install/lib/mysql.lib.php on line 207 Is this anything to worry about? Everything seems to be working.
If its working now, then it should be ok. Seems as if there was a problem to connect to MariaDB during update.
