By kvnzavalza
Hi guys, I hope you can help me, since 3 days ago I’ve been having issues with my droplet with ubuntu 16.04 and lamp. I use my droplet to run a wordpress site and a crm, both uses mysql, but now the server keeps displaying errors like:
Warning: mysqli_real_connect(): (HY000/2002): No such file or directory in /var/www/html/wp-includes/wp-db.php on line 1538
I tried uninstalling completely mysql 5.7 and resinstalling it, restoring a wp db backup, this worked for like an hour, the site displayed fine but then the error displays again.
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Accepted Answer
You should still make sure that none of the active Apache logs are more than 10 MB:
ls -lh /var/log/apache2/
Otherwise it will slow down Apache a lot - and it will consume way too much memory.
And it sounds like you’re being attacked, so I would recommend that you setup Fail2ban or something similar - or one of the many security plugins for WordPress might help too: https://www.digitalocean.com/community/tutorials/how-to-protect-wordpress-with-fail2ban-on-ubuntu-14-04
Hi @kvnzavalza
How big is your droplet - $5, $10, …?
Can you post the last 40 lines from your MySQL error log by running this command?
tail -40 /var/log/mysql/error.log
And can you also post your database connection host:
grep "DB_HOST" /var/www/html/wp-config.php
What is going on in the PHP code in the aforementioned file on line 1538? It really looks like a file is missing somewhere.
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