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Tuning proxy_buffer_size in NGINX


by Danila Vershinin, July 7, 2018

Make your NGINX more memory efficient and fix that “upstream sent too big header while reading response header from upstream” error.

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Magento 2 Security Checklist


by Danila Vershinin, June 24, 2018

When you prepare to launch your Magento 2 website, security is one of the primary areas of concern. Whether you plan to accept credit card data directly on your website, or on a payment provider’s pages – you are required to achieve PCI compliance. Otherwise, you’ll find your business at risk of being banned from […]

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How to remove the Server header in NGINX


by Danila Vershinin,

How to hide the Server HTTP header in NGINX and more: hide the fact of using NGINX altogether.

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How to whitelist / unban a user in unmanaged Citrus Stack server


by Danila Vershinin, June 20, 2018

You’d rarely have to do anything about maintaining a healthy state of a Citrus Stack server. It is self healing, and secure from brute force attacks. However, when you share access with developers, a frequent problem is that the server would automatically ban them. This happens for a few reasons: Repetitive failed attempts to login […]

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In-Place Upgrading: Percona MySQL 5.6 to 5.7 (RedHat/CentOS 7)


by Danila Vershinin, June 17, 2018

A simple script for updating your Percona MySQL Server 5.6 to version 5.7, in CentOS/RHEL systems.

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Setup SSL connections in Percona MySQL 5.6


by Danila Vershinin, June 14, 2018

Secure remote MySQL connectivity with compulsory SSL connections

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Safe MySQL configuration reload? Easy


by Danila Vershinin,

An easy way into implementing `systemctl reload mysqld`.

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How to fix PHP Curl Error Number 77 (CentOS/RHEL 7)


by Danila Vershinin, May 15, 2018

Here is how to fix PHP Curl Error Number 77 (CentOS/RHEL 7) in a very fast and efficient way. Quick few commands to get it fixed

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Linux Huge Pages and Web Performance


by Danila Vershinin, May 9, 2018

Squeeze out more performance juice out of that Linux by using Huge Pages memory management.

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n98-magerun and Magento 1 CLI


by Danila Vershinin,

Learn how to use n98-magerun command line utility to manage your Magento 1.x like a PRO.

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