Управление отсортированными наборами данных в Redis
Redis — хранилище ключей в памяти с открытым исходным кодом. В Redis отсортированные наборы данных — это тип данных, аналогичный наборам данных в том, что оба типа…
How To Migrate a MySQL Database to PostgreSQL Using pgLoader
The prospect of migrating a database can be intimidating, especially when migrating from one database management system to another. This tutorial provides instructions on how to install pgLoader, an open-source database migration tool, and use it to migrate a remote MySQL database to PostgreSQL over an SSL connection.
How To Monitor BGP Announcements and Routes Using BGPalerter on Ubuntu 18.04
BGPalerter is an open-source BGP network monitoring tool that can provide real-time alerts on BGP activity, including route visibility and new route announcements, as well as potentially nefarious activity such as route hijacks or route leaks. In this tutorial, you will learn how to install and configure BGPalerter to monitor your important networks for potentially suspicious activity.
How To Monitor System Metrics with the TICK Stack on Ubuntu 16.04
The TICK stack is a collection of products from the developers of the time-series database InfluxDB. It is made up of the following components: Telegraf collects time-series data from a…
How To Move an Apache Web Root to a New Location on Ubuntu 20.04
In this guide, we’ll show you how to move an Apache document root to a new location which allows you to independently scale storage for different sites.
How to Optimize WordPress on Ubuntu
Optimizing Wordpress installations on the cloud gives the clients and individuals your sites interact with the performance, speed, and flexibility they’ve come to expect with WordPress. In this tutorial, you’ll gain tips on how to optimize WordPress installations in a way that’s built for scale, including guidance on configuration, speed, and overall performance.
How To Protect Against DoS and DDoS with mod_evasive for Apache on CentOS 7
The mod_evasive Apache module, formerly known as mod_dosevasive, helps protect against DoS, DDoS (Distributed Denial of Service), and brute force attacks on the Apache web server. It can provide evasive action during attacks and report abuses via email and syslog facilities.
How To Protect SSH with Fail2Ban on Ubuntu 22.04
Fail2ban is a service that can be run on your server to dynamically block clients that repeatedly fail to authenticate correctly with your services . This can help mitigate the affect of brute force attacks and illegitimate users of your services. In this guide, we’ll demonstrate how to install and configure fail2ban to protect SSH on an Ubuntu 22.04 server.
Cómo leer y configurar variables de entorno y de shell en Linux
En los sistemas Linux, se utilizan variables de entorno y de shell para determinar las condiciones de funcionamiento del shell. Se pueden transmitir a procesos secundarios y utilizar para establecer opciones y hacer que cierta información esté disponible para los procesos que se producen en la sesión. En esta guía, hablaremos de cómo leer, modificar, crear y eliminar variables de entorno y de shell
How To Redirect www to Non-www with Nginx on CentOS 7
This tutorial will show you how to redirect a www URL to non-www, e.g. `www.example.com` to `example.com`, with Nginx on CentOS 7.
