This tutorial will show you how to perform a full hot backup of your MySQL or MariaDB databases using Percona XtraBackup on CentOS 7. The resulting database backup can then be backed up to a remote location using rsync, a backup system like Bacula, or the cloud provider backups. The process of restoring the database from a backup is also covered.
This is the second article in the Introduction to SELinux series. This article focuses on SELinux types and domains, which relate to file and process contexts. Get into the details of SELinux security policy and learn how to fix context errors.
Git is a powerful distributed version control system that allows you to keep track of your software at the source level. In this guide, we’ll demonstrate a few different ways to install Git on a Cent OS 7 server and how to get started using it.
In this tutorial, we will cover setting up a production-ready Node.js environment that is composed of two CentOS 7 servers; one server will run Node.js applications managed by PM2, while the other will provide users with access to the application through an Nginx reverse proxy to the application server.
OpenVPN is a VPN implementation that works on Linux, Windows, and Mac operating systems and can be utilized to create complex, encrypted networks between physically dispersed servers. In this guide, we will set up the OpenVPN Access Server on CentOS 6.5. This can be used to automatically create VPN credentials for users and allow you to manage users and settings through a web-based interface.
Django is a flexible framework for quickly creating Python applications. By default, Django applications are configured to store data into a lightweight SQLite database file. While this works well under some loads, a more traditional DBMS can improve performance in…
O SSH, ou shell seguro, é um protocolo criptografado usado para administrar e se comunicar com servidores. Ao trabalhar com um servidor CentOS, existem boas chances de você gastar a maior parte do seu tempo em uma sessão de terminal conectada ao seu servidor através do…
Logstash is a powerful tool for centralizing and analyzing logs, which can help to provide and overview of your environment, and to identify issues with your servers. One way to increase the effectiveness of your Logstash setup is to collect important application logs and structure the log data by employing filters, so the data can be readily analyzed and query-able. We will build our filters around “grok” patterns, that will parse the data in the logs into useful bits of information.
Автор выбрал Computer History Museum для получения пожертвования в рамках программы Write for DOnations. Многие приложения, в том числе системы мониторинга и сбора данных, собирают…
fail2ban provides a way to automatically protect virtual servers from malicious behavior. This tutorial shows you how to download the required EPEL repository needed to install Fail2Ban, copy the Configuration File, configure the fail2ban defaults, and configure the ssh defaults. This tutorial describes the required steps to set up fail2ban on CentOS.
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