Troubleshooting

How to Install Docker Engine on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Install Docker Engine on RHEL 8

Docker is not available in RHEL 8’s default AppStream repositories, so installing it requires adding the official Docker CE repository from Docker’s own package server. Unlike earlier RHEL versions, RHEL 8 ships with Podman as its native container runtime, but Docker CE remains a popular choice for teams migrating existing workflows. This tutorial walks through […]

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FreeBSD 12 — turba — security advisory — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — turba — security advisory — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: turba — Cross site scripting vulnerabilities in several of the address book name and contact data fields Upstream summary: Announce of Turba H3 (2.0.5) (final): This [2.0.5] is a security […]

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openSUSE Tumbleweed — ktexteditor — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — ktexteditor — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE security advisory (see also SUSE bugzilla) Related CVEs: CVE-2018-10361 Upstream summary: An issue was discovered in KTextEditor 5.34.0 through 5.45.0. Insecure handling of temporary files in the KTextEditor's kauth_ktexteditor_helper service (as utilized in […]

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FreeBSD 12 — timidity++-slang — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — timidity++-slang — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: TiMidity++ — Multiple vulnerabilities Related CVEs: CVE-2017-11546 CVE-2017-11547 CVE-2017-11549 Upstream summary: qflb.wu of DBAPPSecurity reports: Ihe insert_note_steps function in readmidi.c in TiMidity++ 2.14.0 can cause a denial of service(divide-by-zero error […]

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Common Problems 118105

Ubuntu 18.04 LTS – failed unattended-upgrades leave packages unconfigured

🟠 High   ⏱ 5–30 min  Last verified: 20 May 2026 Affected versions: Ubuntu 18.04 LTS Ubuntu 18.04 Ubuntu 18.04.6 📖 ~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 […]

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How to Deploy a Django Application on SLES 12 — step-by-step SUSE Linux Enterprise 12 tutorial on Progressive Robot

How to Deploy a Django Application on SLES 12

Introduction This tutorial covers How to Deploy a Django Application 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 […]

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Common Problems 118037

Ubuntu 18.04 Cron Jobs Not Running Due to PAM Account Restrictions

🟡 Medium   ⏱ 5–30 min  Last verified: 19 May 2026 📖 ~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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openSUSE Tumbleweed — fence-agents — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — fence-agents — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE security advisory (see also SUSE bugzilla) Related CVEs: CVE-2014-0104 CVE-2019-10153 Upstream summary: In fence-agents before 4.0.17 does not verify remote SSL certificates in the fence_cisco_ucs.py script which can potentially allow for man-in-the-middle attackers […]

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Common Problems 113020

Windows Server 2016 — Domain services fail when IPv6 is disabled — Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 30 May 2026 Affected versions: Windows Server 2016 📖 ~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 112469

Windows Server 2019 — Rogue DHCP server issues incorrect gateway and DNS options — Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 29 May 2026 Affected versions: Windows Server 2019 📖 ~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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