Some of your suppliers and business partners may want to interchange files with your store via ftp/sftp. Usually it is orders and stock data in CSV or XML format. And we should to decide, how to hold this sftp service.
You may notice that Varnish works well, but sometimes it completely loses the cache as the child process of Varnish is reloaded. This may be version independent and is accompanied by various errors, such as this one:
There are many utilities for synchronizing folders via SFTP on Linux, but most of them are visual (eg Filezilla). There are not so many good utilities for the command line. For example, there is the sftp utility, but it is not very convenient, you cannot synchronize the whole folder recursively using it. Therefore, here we will look at lftp, which works from the command line and allows you to do a lot of operations using the SFTP protocol.
Magento is a very slow e-commerce system and initially the pagespeed score is very low. To increase pagespeed, you need to take some steps, which I will describe. The post will be updated.
The easiest and probably the correct way to reset the Magento administrative password is to use the command line:
Opcache is a vital mechanism for caching opcodes, without which no PHP project can function properly. Opcache provides performance by storing compiled opcodes in RAM. Let’s figure out how it works and what wasted memory is.