Logging Monitoring

How to Set Up a Git Server with Gitea on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Set Up a Git Server with Gitea on RHEL 7

How to Set Up a Git Server with Gitea on RHEL 7 Gitea is a lightweight, self-hosted Git service written in Go. It provides a GitHub-style web interface for repository management, issue tracking, pull requests, webhooks, and user management — all from a single binary that consumes a fraction of the resources required by GitLab […]

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SLES 12 — cryptctl — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on SLES 12

SLES 12 — cryptctl — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 27 January 2020 Affected versions: SLES 12 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2021:2136-1 (see also SUSE bugzilla) Related CVEs: CVE-2019-18906 CVE-2017-9270 Upstream summary: A Improper Authentication vulnerability in cryptctl of SUSE Linux Enterprise Server for SAP 12-SP5, SUSE Manager Server 4.0 allows attackers with […]

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Common Problems 115518

RHEL 7 NTP Drift Causes Yum TLS Certificate Errors

🟡 Medium   ⏱ 5–30 min  Last verified: 26 January 2020 📖 ~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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FreeBSD 12 — tor-devel — multiple vulnerabilities (8 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — tor-devel — multiple vulnerabilities (8 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 26 January 2020 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: tor — security regression Related CVEs: CVE-2009-0414 CVE-2009-0936 CVE-2009-0937 CVE-2009-0938 CVE-2010-1676 CVE-2011-0427 CVE-2014-5117 CVE-2017-0377 Upstream summary: The Tor Project reports: Tor 0.3.0.9 fixes a path selection bug that would allow […]

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Ubuntu 14.04 — software-properties — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 14.04

Ubuntu 14.04 — software-properties — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 26 January 2020 Affected versions: Ubuntu 14.04 (trusty) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4457-2 Related CVEs: CVE-2020-15709 Upstream summary: USN-4457-1 fixed a vulnerability in Software. This update provides the corresponding update for Ubuntu 14.04 ESM. Original advisory details: Jason A. Donenfeld discovered that […]

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Common Problems 113114

Windows Server 2016 — OU permissions inheritance blocked: delegated admins cannot manage child OUs — Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 26 January 2020 Affected versions: Windows Server 2016 📖 ~2 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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How to Configure DISA STIG for AIX on IBM AIX 7.2 — step-by-step IBM AIX 7.2 tutorial on Progressive Robot

How to Configure DISA STIG for AIX 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 disa stig for aix on ibm aix 7.2 […]

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How to Install PHP 8.2 on FreeBSD 12 — step-by-step FreeBSD 12 tutorial on Progressive Robot

How to Install PHP 8.2 on FreeBSD 12

Introduction FreeBSD 12 is a UNIX-derived operating system renowned for its network stack performance, ZFS integration, and Jail isolation primitives. Setting up install php 8.2 on freebsd 12 on FreeBSD 12 follows the rc.conf/service(8) paradigm rather than systemd, which means enabling a service and configuring its startup options are done differently from any Linux distribution. […]

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Ubuntu 18.04 — libmodbus — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — libmodbus — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 26 January 2020 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5173-1 Related CVEs: CVE-2019-14462 CVE-2019-14463 Upstream summary: It was discovered that libmodbus incorrectly handled inputs. An attacker could possibly use this issue to cause a denial of service or other […]

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How to Create and Manage LPARs on IBM AIX 7.2 — step-by-step IBM AIX 7.2 tutorial on Progressive Robot

How to Create and Manage LPARs 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 create and manage lpars on ibm aix 7.2 on […]

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