March 2020 - Page 14 of 63

How to Set Up ProxySQL for MySQL Load Balancing on Debian 10 — step-by-step Debian 10 tutorial on Progressive Robot

How to Set Up ProxySQL for MySQL Load Balancing on Debian 10

Introduction This guide explains how to Set Up ProxySQL for MySQL Load Balancing on Debian 10 on Debian 10 Buster. Debian Buster uses systemd for service management, nftables as the underlying packet filter (with ufw or iptables front-ends still available), and AppArmor for mandatory access control. Every command is designed for a minimal Debian 10 […]

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How To Set Up an OpenVPN Server on Debian 9 — step-by-step Linux tutorial on Progressive Robot

How To Set Up an OpenVPN Server on Debian 9

OpenVPN is a full-featured, open-source Secure Socket Layer (SSL) VPN solution that accommodates a wide range of configurations. In this tutorial, you will set up an OpenVPN server on a Debian 9 server and then configure access to it from Windows, OS X, iOS and/or Android devices. This tutorial will keep the installation and configuration steps as simple as possible for each of these setups.

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Debian 10 — libapreq2 — vulnerability — patch and remediation guide — diagnosis and fix on Debian 10

Debian 10 — libapreq2 — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 March 2020 Affected versions: Debian 10 (buster) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2019-12412 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

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How To Protect Your Linux Server Against the GHOST Vulnerability — step-by-step Linux tutorial on Progressive Robot

How To Protect Your Linux Server Against the GHOST Vulnerability

On January 27, 2015, a GNU C Library (glibc) vulnerability, referred to as the GHOST vulnerability, was announced to the general public. In summary, the vulnerability allows remote attackers to take complete control of a system by exploiting a buffer overflow bug in glibc. It is highly recommended that you update and reboot all of your affected Linux servers. We will show you how to test if your systems are vulnerable and, if they are, how to update glibc to fix the vulnerability.

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Como Instalar o WordPress com LAMP no Debian 10 — step-by-step Linux tutorial on Progressive Robot

Como Instalar o WordPress com LAMP no Debian 10

O WordPress é o CMS (sistema de gerenciamento de conteúdos) mais popular na Internet. Ele permite que você configure blogs e sites flexíveis com facilidade, em cima de um back-end em MariaDB com processamento em PHP. A adoção do WordPress teve um crescimento incrível, sendo uma…

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Arch Linux — blueman — vulnerability — patch and remediation guide — diagnosis and fix on Arch Linux

Arch Linux — blueman — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Arch Linux (rolling release) 📖 ~4 min read  •  Source: Arch ASA ASA-202012-12 Related CVEs: CVE-2020-15238 Upstream summary: Type: privilege escalation. Status: Fixed. Affected: 2.1.3-1. Fixed in: 2.1.4-1. Group: AVG-1259. Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis […]

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How To Install MySQL on CentOS — step-by-step Linux tutorial on Progressive Robot

How To Install MySQL on CentOS

MySQL is an open-source database management system. CentOS prefers MariaDB by default, a fork of MySQL managed by the original MySQL developers and designed as a replacement for MySQL. Unless you have a specific use-case for MySQL, see the [How To Install MariaDB on CentOS](https://www.progressiverobot.com/how-to-install-mariadb-on-centos-7/) guide.

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How to Install Symfony on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Install Symfony on RHEL 7

How to Install Symfony on RHEL 7 Symfony is a mature, enterprise-grade PHP framework built around reusable components that power projects ranging from small APIs to large-scale e-commerce platforms. Many PHP projects, including Drupal, Laravel, and Magento, depend directly on Symfony components. Installing Symfony on RHEL 7 follows a similar pattern to other PHP frameworks: […]

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Common Problems 118419

Ubuntu 16.04 LTS Netplan Migration Error Leaves Host Offline

🟠 High   ⏱ 5–30 min  Last verified: 24 March 2020 Affected versions: 16.04 LTS 📖 ~1 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening Related Errors & […]

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