security

How To Set Up a Local OSSEC Installation on Debian 8 — step-by-step Linux tutorial on Progressive Robot

How To Set Up a Local OSSEC Installation on Debian 8

  • May 12, 2026
  • Linux
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OSSEC is an open-source, host-based intrusion detection system (HIDS) that performs log analysis, integrity checking, Windows registry monitoring, rootkit detection, time-based alerting, and active response. It’s the application to install on your server if you want to keep an eye on what’s happening inside it. In this tutorial, you’ll learn how to install OSSEC to monitor the Debian 8 server it is installed on, that is, a *local* OSSEC installation.

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How To Set Up Multiple SSL Certificates on One IP with Apache on Ubuntu 12.04 — step-by-step Linux tutorial on Progressive Robot

How To Set Up Multiple SSL Certificates on One IP with Apache on Ubuntu 12.04

  • May 12, 2026
  • Linux
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Although hosting several sites on a single virtual private server is not a challenge with the use of virtual hosts, providing separate SSL certificates for each site traditionally required separate IP addresses. The process has recently been simplified through the use of Server Name Indication (SNI), which sends a site visitor the certificate that matches the requested server name.

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Como configurar as chaves SSH no CentOS — step-by-step Linux tutorial on Progressive Robot

Como configurar as chaves SSH no CentOS

  • May 12, 2026
  • Linux
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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…

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Einrichtung von SSH-Schlüsseln unter Ubuntu 20.04 — step-by-step Linux tutorial on Progressive Robot

Einrichtung von SSH-Schlüsseln unter Ubuntu 20.04

  • May 12, 2026
  • Linux
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SSH oder Secure Shell ist ein verschlüsseltes Protokoll zur Verwaltung von und Kommunikation mit Servern. Wenn Sie mit einem Ubuntu-Server arbeiten, verbringen Sie wahrscheinlich die meiste Zeit in einer Terminalsitzung, die über SSH mit Ihrem Server verbunden ist. In dieser…

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How To Set Up vsftpd on CentOS 6 — step-by-step Linux tutorial on Progressive Robot

How To Set Up vsftpd on CentOS 6

  • May 12, 2026
  • Linux
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Vsftpd is a fast and secure FTP server. Installing an FTP server can assist you with uploading files to your droplet. This tutorial describes how to install and set up vsftpd on CentOS 6.

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Active Directory authentication authorization Backup Recovery Boot Startup Capacity Planning Cloud Integration Common Problems Containers Cpu Memory Database Debian 9 Debian 10 Debian 11 Development DNS Filesystem Firewall Fix Prevention JavaScript Kerberos Kernel Drivers Logging Monitoring Lvm Raid Networking nginx Operations Package Management Performance Proxy Python security Security Hardening Storage Disk Systemd Services time-sync Tls Ssl Troubleshooting ubuntu Ubuntu 16.04 Ubuntu 18.04 Ubuntu 20.04 Virtualization VPN web server

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