I can't open the PID file /var/run/*.pid

Recently, customers started complaining that after restarting the server, the sites only work for a minute.
it was found out that the problem is in the Nginx web server.
Configure mail domains and mailboxes in the ISPmanager panel

ISPmanager users can configure their own mail domains and mailbox.
Self-unlock port 25

For self-unlock 25 port & laquo;MyHosti & raquo; created a special web interface.
Install a free Let's Encrypt security certificate on the site

In order to install the free certificate «Let's Encrypt» on the site, you can use The ISPmanager panel.
Image optimization with jpegoptim and optipng

Google Page Speed offers several lossless image compression tools for JPEG and PNG files.
In the mail comes a lot of spam

To filter the spam Of your mailboxes, we recommend using the DNS blacklist.
Upgrade Nginx to the latest version

Increasingly, customers MyHosti faced with the desire to have the latest version of the software on the server. In this article we will look at how to perform Nginx upgrade to the latest version to date.
How to identify a DDoS attack?

First you need to perform a presence attack, to do this, look at the number of Apache processes.