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WP Database repairing

First of all, this article is prepared for advanced users. Please follow the steps only if you know what are you doing. In WordPress CMS the database is the most important part so in case of database component crash you site is literally ruined. Being a database-driven web application, everything that you do on your […]

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File descriptors

Recently we were asked by customers what is the file descriptor limit and why to setup them? If you will run a load testing on your VPS you may be noticed that it ran out of file descriptors. Let look deeply inside the problem.

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Redirect loop fix in WP admin interface

In this post we will describe a well-known bug in WP 4.* versions with redirect loop when authenticating in login interface. This usually happening when logging in to WordPress admin interface (example.com/wp-admin/) with correct credentials you are getting a bounce back and redirected to the blank wp-login screen.

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Datacenters: what is datacenter tiers?

In this article we will explain what is the datacenter tiering and which one is better, Tier 1 or Tier 4 datacenter. First of all, Tier standard is used to define uptime of a datacenter. This is indeed for measuring datacenter performance, calculating investments and company ROI (return on investment).

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How to install LAMP on CentOS server

LAMP is acronym refers to a Linux-based operating system (Linux + Apache + MySQL + PHP) this is a popular open source web platform stack for Linux. LAMP stack is a commonly used to run dynamic web sites and servers. The main components are GNU/Linux operating system, the Apache HTTP Server, the MySQL relational database […]

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Top log files and paths in Linux

Linux has many services, daemons, systems, subsystems and applications running. You use system logging to gather data about your running system from the moment it boots. From time to time you have to check the health of processes, monitor the activity.

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Upgrading CentOS 6 to CentOS 7

In this article we will process upgrade from CentOS 6 to CentOS 7. Operation system CentOS 7 was released right after the main Red Hat Enterprise Linux 7 release. OS includes the same long-waiting feature sets as base RHEL. One of the key features is Systemd and Docker functionality. But the most interesting feature is […]

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Installing Composer on CentOS 7 server

Composer is a dependency management tool for PHP similar to npm for Node.js and bundle for ruby. It is not a package manager in the same sense as Yum or Apt are. Yes, it deals with “packages” or libraries, but it manages them on a per-project basis, installing them in a directory (e.g. vendor) inside […]

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