Operations

How to Automate SLES 12 Deployment with AutoYaST — step-by-step SUSE Linux Enterprise 12 tutorial on Progressive Robot

How to Automate SLES 12 Deployment with AutoYaST

Introduction This tutorial covers How to Automate SLES 12 Deployment with AutoYaST 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. Step 1 — Launch YaST yast Step 2 — Use YaST from […]

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AlmaLinux 8 — librelp — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — librelp — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALBA-2021:4193 Upstream summary: For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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Common Problems 118528

Time drift causes TLS certificate validation failures

🟡 Medium   ⏱ 5–30 min  Last verified: 4 April 2021 📖 ~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 References & Further […]

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

How to Configure IBM MQ 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 ibm mq on ibm aix 7.2 on IBM […]

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AlmaLinux 8 — libnftnl — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — libnftnl — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALBA-2022:2101 Upstream summary: For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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AlmaLinux 8 — fuse — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — fuse — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALBA-2022:2107 Upstream summary: For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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How to Deploy a Django Application on Oracle Linux 8 — step-by-step Oracle Linux 8 tutorial on Progressive Robot

How to Deploy a Django Application on Oracle Linux 8

Introduction Oracle Linux 8 ships with a stable, security-hardened base that makes deploying deploy a django application on oracle linux 8 both straightforward and auditable. This tutorial covers the complete procedure for how to Deploy a Django Application on Oracle Linux 8, including dnf module streams where applicable, systemd unit management, and the firewalld rules […]

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Ubuntu 20.04 — yara — multiple vulnerabilities (17 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — yara — multiple vulnerabilities (17 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 4 April 2021 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8080-1 Related CVEs: CVE-2018-19976 CVE-2017-9304 CVE-2018-19974 CVE-2017-8294 CVE-2018-12034 CVE-2017-8929 CVE-2021-45429 CVE-2017-11328  +9 more Upstream summary: Kamil Frankowicz discovered that a number of YARA's functions generated memory exceptions when processing specially […]

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Ubuntu 16.04 — opendmarc — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — opendmarc — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 4 April 2021 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6356-1 Related CVEs: CVE-2020-12272 CVE-2020-12460 Upstream summary: Jianjun Chen, Vern Paxson and Jian Jiang discovered that OpenDMARC incorrectly handled certain inputs. If a user or an automated system were tricked […]

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