April 2020 - Page 44 of 66

Ubuntu 16.04 — cron — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — cron — multiple vulnerabilities (6 CVEs) — patch and remediation guide

  • April 11, 2020
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5259-3 Related CVEs: https://ubuntu.com/security/notices/USN-5259-2 https://launchpad.net/bugs/1971895 CVE-2017-9525 CVE-2019-9704 CVE-2019-9705 CVE-2019-9706 Upstream summary: USN-5259-1 and USN-5259-2 fixed vulnerabilities in Cron. Unfortunately that update was incomplete and could introduce a regression. This update […]

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Oracle Linux 8 — sqlite — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — sqlite — vulnerability — patch and remediation guide (ELSA-2021-1581)

  • April 11, 2020
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2021-1581 Related CVEs: CVE-2020-13434 CVE-2020-15358 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & […]

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How to Configure Remote Access VPN with SSTP on Windows Server 2012 R2 — step-by-step Windows Server 2012 R2 tutorial on Progressive Robot

How to Configure Remote Access VPN with SSTP on Windows Server 2012 R2

How to Configure Remote Access VPN with SSTP on Windows Server 2012 R2 Secure Socket Tunneling Protocol (SSTP) is a VPN tunneling protocol developed by Microsoft that encapsulates Point-to-Point Protocol (PPP) traffic over HTTPS (SSL/TLS on port 443). Because SSTP uses port 443, it traverses most firewalls and web proxies without requiring special port forwarding […]

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Ubuntu 20 .04にPostfixをインストールして設定 する方法 — step-by-step Linux tutorial on Progressive Robot

Ubuntu 20 .04にPostfixをインストールして設定 する方法

  • April 11, 2020
  • Linux
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Postfixは人気のあるオープンソースのメール転送エージェント（Mail Transfer Agent: MTA）であり、Linuxシステムで電子メールのルーティングや配信に使用できます。インターネット上のパブリックメールサーバーの約25％がPostfixを実行していると推定されます。このガイドでは、Ubuntu 20.04サーバーにPostfixをインストールして設定する方法を学びます。

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Oracle Linux 8 — GraalVM — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — GraalVM — vulnerability — patch and remediation guide (ELSA-2023-12676)

  • April 11, 2020
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-12676 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 […]

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Debian 10 — libreoffice — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Debian 10

Debian 10 — libreoffice — multiple vulnerabilities (3 CVEs) — patch and remediation guide

  • April 11, 2020
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Debian 10 (buster) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2019-9848 CVE-2019-9850 CVE-2019-9854 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification […]

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How to Deploy Applications with Docker Compose on RHEL 9 — step-by-step RHEL 9 tutorial on Progressive Robot

How to Deploy Applications with Docker Compose on RHEL 9

  • April 11, 2020
  • Linux
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Docker Compose transforms multi-container application deployment from a series of manual docker run commands into a declarative, version-controlled configuration. A production-ready Compose deployment includes health checks (to ensure services are truly ready before dependent services start), resource limits (to prevent runaway containers from consuming all host resources), restart policies (to automatically recover from failures), and […]

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¿Cómo configurar Virtual Hosts de Apache en Ubuntu 16.04? — step-by-step Linux tutorial on Progressive Robot

¿Cómo configurar Virtual Hosts de Apache en Ubuntu 16.04?

  • April 11, 2020
  • Linux
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Apache es el servidor web más popular para servir contenido en Internet. Cuenta con más de la mitad de los sitios activos en Internet y es extremadamente poderoso y flexible. Apache rompe su funcionalidad y componentes en unidades separadas que pueden ser personalizadas y…

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