Accurate time keeping is critical for almost any service or software. Emails, loggers, event systems and schedulers, user authentication mechanisms, and services running on distributed platforms all need accurate timestamps to record events in chronological order. These…
Justin Ellingwood escribió una versión anterior de este tutorial. Al almacenar datos cruciales, tener un punto único de fallo es muy arriesgado. Si bien muchas bases de datos y otros software permiten extender…
El autor seleccionó el lnternet Archive para recibir una donación como parte del programa Write for DOnations. Ser un administrador de sistemas implica principalmente recopilar información exacta acerca de servidores e…
Tinc — демон виртуальной частной сети (VPN) с открытым исходным кодом, имеющий много полезных функций, включая шифрование, поддержку сжатия и автоматическую ячеистую маршрутизацию, позволяющую…
OpenVPN is a great tool to ensure traffic is not eavesdropped. You can use this to ensure a secure connection from your laptop to your the cloud provider VPS (droplet) as well as between cloud servers. This article is to help get you started on your way to setting up a Virtual Private Network.
In this tutorial, you will install and set up a PageKite front-end service on a server running Debian 9. You will also set up two more Debian 9 servers to simulate a local and a remote environment. When you’re finished, you will have set up a server for multiple clients, and tested it with a practical solution for remote access using SSH and VNC. PageKite is a fast and secure tunneling solution that uses HTTP or SSH to expose a service running inside a private network to the public.
NFS, ou Network File System, est un protocole de système de fichiers distribué qui vous permet de monter des répertoires distants sur votre serveur. Cela vous permet de gérer un espace de stockage dans un autre emplacement et d’y écrire depuis plusieurs clients. NFS fournit un…
In this tutorial, you will set up WireGuard on an Ubuntu 22.04 server, and then configure another machine to connect to it as a peer using both IPv4 and IPv6 connections (commonly referred to as a _dual stack_ connection). You’ll also learn how to route the peer’s Internet traffic through the WireGuard server in a gateway configuration, in addition to using the VPN for an encrypted peer-to-peer tunnel.
O SSH é uma ferramenta importante usada para a administração de servidores Linux remotos. Neste guia, vamos discutir o uso básico deste utilitário e como configurar seu ambiente SSH.
This checkpoint is intended to help you assess what you learned from our introductory articles to Security, where we introduced recommended security practices and commonly used security tools.
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