February 2021 - Page 17 of 62

How to Configure WireGuard VPN on Oracle Linux 8 — step-by-step Oracle Linux 8 tutorial on Progressive Robot

How to Configure WireGuard VPN on Oracle Linux 8

Introduction Oracle Linux 8 ships with a stable, security-hardened base that makes deploying configure wireguard vpn on oracle linux 8 both straightforward and auditable. This tutorial covers the complete procedure for how to Configure WireGuard VPN on Oracle Linux 8, including dnf module streams where applicable, systemd unit management, and the firewalld rules required for […]

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How to Configure AIX Health Check on IBM AIX 7.2 — step-by-step IBM AIX 7.2 tutorial on Progressive Robot

How to Configure AIX Health Check on IBM AIX 7.2

Introduction IBM AIX 7.2 is the latest release of IBM’s enterprise-grade UNIX operating system, running on IBM Power Systems hardware. Known for its reliability, security, and performance in mission-critical environments, AIX 7.2 introduces enhanced virtualization, security hardening, and cloud integration features. This guide covers how to configure aix health check on ibm aix 7.2 on […]

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

Debian 10 — screen — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 10 (buster) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2021-26937 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 Install and Configure Apache HTTP Server on IBM AIX 7.2 — step-by-step IBM AIX 7.2 tutorial on Progressive Robot

How to Install and Configure Apache HTTP Server on IBM AIX 7.2

Introduction IBM AIX 7.2 is the latest release of IBM’s enterprise-grade UNIX operating system, running on IBM Power Systems hardware. Known for its reliability, security, and performance in mission-critical environments, AIX 7.2 introduces enhanced virtualization, security hardening, and cloud integration features. This guide covers how to install and configure apache http server on ibm aix […]

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Como Executar Transações no Redis — step-by-step Linux tutorial on Progressive Robot

Como Executar Transações no Redis

O Redis é um datastore ou armazenamento de dados open-source de chave-valor na memória. O Redis lhe permite planejar uma sequência de comandos e executá-los um após o outro, um procedimento conhecido como transação. Cada transação é tratada como uma…

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Ubuntu 14.04 — libdbi-perl — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 14.04

Ubuntu 14.04 — libdbi-perl — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Ubuntu 14.04 (trusty) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4534-1 Related CVEs: CVE-2019-20919 CVE-2013-7490 CVE-2014-10401 CVE-2020-14392 Upstream summary: It was discovered that Perl DBI module incorrectly handled certain inputs. An attacker could possibly use this issue to cause a […]

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How To Install the Ajenti Control Panel and Ajenti V on Ubuntu 14.04 — step-by-step Linux tutorial on Progressive Robot

How To Install the Ajenti Control Panel and Ajenti V on Ubuntu 14.04

Ajenti is an open source, web-based control panel that can be used for a large variety of server management tasks. It can install packages and run commands, and you can view basic server information such as RAM in use, free disk space, etc. All this can be accessed from a web browser. Optionally, an add-on package called Ajenti V allows you to manage multiple websites and email accounts from the same control panel.

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How to Install MySQL 5.7 on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Install MySQL 5.7 on Debian 9

Introduction Deploying install mysql 5.7 on debian 9 on a Debian 9 Stretch machine is straightforward thanks to Debian’s policy-compliant packaging. Unlike rpm-based distributions, Debian stores configuration helpers in /etc/default/, uses update-rc.d for older init scripts, and provides dpkg-reconfigure for interactive package configuration. This tutorial stays on the systemd path throughout. Prerequisites You will need […]

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Ubuntu 20.04 — caribou — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — caribou — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4958-1 Related CVEs: https://launchpad.net/bugs/1912060 Upstream summary: It was discovered that the Caribou onscreen keyboard could be made to crash when given certain input values. An attacker could use this to […]

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