Linux

How to Install Helm on RHEL 10 — step-by-step RHEL 10 tutorial on Progressive Robot

How to Install Helm on RHEL 10

Introduction Setting up install helm on a RHEL 10 server is a common task for system administrators, DevOps engineers, and site reliability engineers. This guide explains how to Install Helm on RHEL 10, with all the commands you need, the SELinux and firewalld considerations to keep in mind, and how to validate the result on […]

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Common Problems 116594

Ubuntu 24.04 LTS – Certbot renewal fails with nginx authenticator errors – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 26 October 2025 Affected versions: Ubuntu 24.04 LTS 📖 ~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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Debian 13 — django-anymail — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — django-anymail — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 26 October 2025 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2018-1000089 CVE-2018-6596 Upstream summary: Anymail django-anymail version version 0.2 through 1.3 contains a CWE-532, CWE-209 vulnerability in WEBHOOK_AUTHORIZATION setting value that can result in An attacker with access […]

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Common Problems 116504

Ubuntu 24.04 LTS – secure boot blocks unsigned kernel module loading

🟠 High   ⏱ 5–30 min  Last verified: 26 October 2025 Affected versions: Ubuntu 24.04 LTS Ubuntu 24.04 Ubuntu 24.04.1 📖 ~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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Debian 13 — reportbug — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — reportbug — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 26 October 2025 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2005-0624 CVE-2005-0625 CVE-2008-2230 CVE-2014-0479 Upstream summary: reportbug before 2.62 creates the .reportbugrc configuration file with world-readable permissions, which allows local users to obtain email smarthost passwords. Table of […]

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Common Problems 115588

RHEL 7 SELinux Blocks Rsync Over Nonstandard Port

🟡 Medium   ⏱ 5–30 min  Last verified: 26 October 2025 📖 ~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 Install Loki for Log Aggregation on Debian 13 — step-by-step Debian 13 tutorial on Progressive Robot

How to Install Loki for Log Aggregation on Debian 13

Introduction Deploying install loki for log aggregation on a Debian 13 Trixie machine is straightforward thanks to Debian’s policy-compliant packaging. Unlike rpm-based distributions, Debian stores configuration helpers in /etc/default/, uses update-rc.d for older init scripts, and provides dpkg-reconfigure for interactive package configuration. This tutorial stays on the systemd path throughout. Prerequisites Ensure Debian 13 Trixie […]

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Alpine Linux 3.20 — cifs-utils — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux 3.20

Alpine Linux 3.20 — cifs-utils — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.20 / fixed in 6.15-r0 📖 ~4 min read  •  Source: Alpine secdb entry — cifs-utils 6.15-r0 Related CVEs: CVE-2022-27239 CVE-2022-29869 CVE-2021-20208 CVE-2020-14342 Upstream summary: Alpine main repository for vv3.20 ships cifs-utils 6.15-r0 which addresses CVE-2022-27239. Table of contents Symptom […]

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Debian 13 — collectd — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — collectd — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 26 October 2025 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2009-3736 CVE-2010-4336 CVE-2016-6254 CVE-2017-16820 CVE-2017-7401 Upstream summary: ltdl.c in libltdl in GNU Libtool 1.5.x, and 2.2.6 before 2.2.6b, as used in Ham Radio Control Libraries, Q, and possibly […]

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Debian 12 — ublock-origin — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — ublock-origin — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 26 October 2025 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2021-36773 CVE-2022-32308 CVE-2025-4215 Upstream summary: uBlock Origin before 1.36.2 and nMatrix before 4.4.9 support an arbitrary depth of parameter nesting for strict blocking, which allows crafted web sites […]

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