April 2020 - Page 21 of 62

How to Install Zabbix Server on Debian 10 — step-by-step Debian 10 tutorial on Progressive Robot

How to Install Zabbix Server on Debian 10

Introduction This guide explains how to Install Zabbix Server 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 install with the standard […]

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Oracle Linux 8 — postgresql-jdbc — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — postgresql-jdbc — vulnerability — patch and remediation guide (ELSA-2020-3176)

🟠 High   ⏱ 15–60 min  Last verified: 21 April 2020 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2020-3176 Related CVEs: CVE-2020-13692 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 Delete Data in SQL — step-by-step DevOps tutorial on Progressive Robot

How To Delete Data in SQL

As the name implies, DELETE operations irreversibly delete one or more rows of data from a database table. Being such a fundamental aspect of data management, it’s important for SQL users to understand how the DELETE statement behaves and how it deletes data. This guide will go over how to use SQL’s DELETE syntax to delete data from one or more tables. It will also explain how foreign key constraints handle DELETE operations.

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FreeBSD 12 — ffmpeg — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — ffmpeg — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 21 April 2020 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: ffmpeg — multiple vulnerabilities Related CVEs: CVE-2009-0385 CVE-2011-4351 CVE-2011-4352 CVE-2011-4353 CVE-2011-4364 CVE-2011-4579 CVE-2012-5150 CVE-2014-4609  +12 more Upstream summary: NVD reports: An issue was discovered in the FFmpeg package, where vp3_decode_frame […]

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An Advanced Message Queuing Protocol (AMQP) Walkthrough — step-by-step DevOps tutorial on Progressive Robot

An Advanced Message Queuing Protocol (AMQP) Walkthrough

In this the cloud provider article, we are going to try something new and help developers (and anyone interested) become thoroughly familiar with the Advanced Message Queueing Protocol. It’s an open [technical] standard (a common ground) designed to allow development of applications which are tailored to work as middleware in brokering of messages between different processes, applications, or even unrelated systems that need to talk to each other and pass on messages.

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Common Problems 121073

Debian 10 – sudo fails in automation with no tty present

🟡 Medium   ⏱ 5–30 min  Last verified: 20 April 2020 Affected versions: Debian 10 📖 ~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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Common Problems 118942

Ubuntu 14.04 LTS SSH login fails with Permission denied publickey

🟠 High   ⏱ 5–30 min  Last verified: 20 April 2020 Affected versions: 14.04 📖 ~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 & Cross-Refs […]

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How to Configure Audit Logging on SLES 12 — step-by-step SUSE Linux Enterprise 12 tutorial on Progressive Robot

How to Configure Audit Logging on SLES 12

Introduction This tutorial covers How to Configure Audit Logging on SLES 12 on SLES 12. SLES 12 (SUSE Linux Enterprise Server 16) is SUSE’s enterprise-grade Linux distribution. It uses the zypper package manager, AppArmor for mandatory access control, and systemctl for service management. Prerequisites Ensure your SLES 12 system is up to date: zypper refresh […]

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Arch Linux — mupdf-gl — multiple vulnerabilities (10 CVEs) — patch and remediation guide — diagnosis and fix on Arch Linux

Arch Linux — mupdf-gl — multiple vulnerabilities (10 CVEs) — 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-201805-5 Related CVEs: CVE-2018-6544 CVE-2018-6192 CVE-2018-6187 CVE-2018-5686 CVE-2018-1000051 CVE-2017-17858 CVE-2017-15587 CVE-2017-14687  +2 more Upstream summary: Type: multiple issues. Status: Fixed. Affected: 1.12.0-2. Fixed in: 1.13.0-1. Group: AVG-687. Table of contents […]

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