Troubleshooting

How to Set Up Fluentd on Oracle Linux 8 — step-by-step Oracle Linux 8 tutorial on Progressive Robot

How to Set Up Fluentd on Oracle Linux 8

Introduction Setting up set up fluentd on oracle linux 8 on a Oracle Linux 8 server is a common task for system administrators, DevOps engineers, and site reliability engineers. This guide explains how to Set Up Fluentd on Oracle Linux 8, with all the commands you need, the SELinux and firewalld considerations to keep in […]

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IBM AIX 7.1 — CVE-2021-29815 — xss — patch and remediation guide — diagnosis and fix on IBM AIX 7.1

IBM AIX 7.1 — CVE-2021-29815 — xss — patch and remediation guide

🟡 Medium   ⏱ 15–45 min  Last verified: 22 February 2021 Affected versions: IBM AIX 7.1 📖 ~4 min read  •  Source: NVD CVE-2021-29815, IBM Support Bulletin CVE: CVE-2021-29815 NVD summary: IBM Jazz for Service Management 1.1.3.10 and IBM Tivoli Netcool/OMNIbus_GUI is vulnerable to stored cross-site scripting. This vulnerability allows users to embed arbitrary JavaScript […]

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How to Install and Configure BIND9 DNS Server on FreeBSD 12 — step-by-step FreeBSD 12 tutorial on Progressive Robot

How to Install and Configure BIND9 DNS Server 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 and configure bind9 dns server 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 […]

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SLES 12 — pacemaker — multiple vulnerabilities (8 CVEs) — patch and remediation guide — diagnosis and fix on SLES 12

SLES 12 — pacemaker — multiple vulnerabilities (8 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 22 February 2021 Affected versions: SLES 12 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2020:3054-1 (see also SUSE bugzilla) Related CVEs: CVE-2020-25654 CVE-2010-2496 CVE-2018-16877 CVE-2015-1867 CVE-2016-7035 CVE-2016-7797 CVE-2018-16878 CVE-2019-3885 Upstream summary: An ACL bypass flaw was found in pacemaker. An attacker having a local account on […]

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How to Configure Advanced Audit Policy on Windows Server 2019 — step-by-step Windows Server 2019 tutorial on Progressive Robot

How to Configure Advanced Audit Policy on Windows Server 2019

Introduction to Advanced Audit Policy Advanced Audit Policy Configuration in Windows Server 2019 provides granular control over security auditing beyond the basic nine audit categories available in legacy audit policy settings. Using Advanced Audit Policy, administrators can enable individual subcategories independently, allowing specific events to be audited without enabling entire categories that generate excessive log […]

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Oracle Linux 8 — tigervnc security, bug fix, and — enhancement update — new behaviour and fixes — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — tigervnc security, bug fix, and — enhancement update — new behaviour and fixes (ELSA-2021-1783)

🟡 Medium   ⏱ 10–30 min  Last verified: 21 February 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2021-1783 Related CVEs: CVE-2020-26117 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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Common Problems 117495

GNOME Login Loop After Disk Full

🟠 High   ⏱ 5–30 min  Last verified: 21 February 2021 Affected versions: 20.04 📖 ~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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Common Problems 112503

Windows Server 2019 — BGP route flapping between edge peers and RRAS gateway impacts WAN stability — Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 21 February 2021 Affected versions: Windows Server 2019 📖 ~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 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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Gentoo Linux — sys-apps/fwupd — vulnerability — patch and remediation guide — diagnosis and fix on Gentoo Linux

Gentoo Linux — sys-apps/fwupd — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read  •  Source: Gentoo GLSA GLSA-202007-04 Related CVEs: CVE-2020-10759 Upstream summary: Multiple vulnerabilities have been discovered in fwupd and libjcat. Please review the CVE identifiers referenced below for details. Table of contents Symptom & Impact Environment & […]

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