When the server entirely runs out of memory, the Linux kernel activates a mechanism called the "OOM Killer". This mechanism finds the process that took up the most memory and kills it to free up RAM.
In such a situation, you are left without service, and it becomes shut down.
On myVesta servers, this usually happens to the MySQL, PHP-FPM, or ClamAV service, which usually uses the most RAM memory.
To restart the service, be logged in as "admin" on myVesta, and do the following two clicks:
- Screenshot_18.png (180.13 KiB)
The shouted-down service is shown in gray.