February 2022 - Page 48 of 65

How to Configure PostgreSQL Replication on CentOS Stream 9 — step-by-step CentOS Stream 9 tutorial on Progressive Robot

How to Configure PostgreSQL Replication on CentOS Stream 9

Introduction How to Configure PostgreSQL Replication on CentOS Stream 9 on CentOS Stream 9 provides administrators with a robust, enterprise-ready workflow that integrates cleanly with systemd, SELinux, firewalld, and the modern AppStream module system. In this tutorial we will walk through every step required, from package installation to verification, so that the resulting configuration is […]

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openSUSE Tumbleweed — google-gson — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — google-gson — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2022:2044-1 (see also SUSE bugzilla) Related CVEs: CVE-2022-25647 Upstream summary: The package com.google.code.gson:gson before 2.8.9 are vulnerable to Deserialization of Untrusted Data via the writeReplace() method in internal classes, which may lead […]

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openSUSE Tumbleweed — snakeyaml — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — snakeyaml — multiple vulnerabilities (6 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2022:3397-1 (see also SUSE bugzilla) Related CVEs: CVE-2022-38749 CVE-2022-38750 CVE-2022-38751 CVE-2022-38752 CVE-2017-18640 CVE-2022-25857 Upstream summary: Using snakeYAML to parse untrusted YAML files may be vulnerable to Denial of Service attacks (DOS). If […]

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Common Problems 117965

Ubuntu 18.04 LTS – hostname and FQDN mismatch causes sudo delay

🟡 Medium   ⏱ 5–30 min  Last verified: 19 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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Common Problems 116097

Ubuntu 26.04 LTS – Podman rootless containers fail with cgroup permission error – Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 20 May 2026 Affected versions: Ubuntu 26.04 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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How to Set Up Tekton CI/CD Pipelines on Debian 11 — step-by-step Debian 11 tutorial on Progressive Robot

How to Set Up Tekton CI/CD Pipelines on Debian 11

Introduction How to Set Up Tekton CI/CD Pipelines on Debian 11 is a fundamental operation for any administrator maintaining a Debian 11 Bullseye server. Debian 11 Bullseye ships with the Linux 6.12 kernel, updated toolchains, and a fully refreshed package archive — meaning version numbers, configuration file paths, and some dependency chains differ from Debian […]

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IBM AIX 7.3 — CVE-1999-0086 — vulnerability — patch and remediation guide — diagnosis and fix on IBM AIX 7.3

IBM AIX 7.3 — CVE-1999-0086 — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 15–45 min  Last verified: 25 May 2026 Affected versions: IBM AIX 7.3 📖 ~4 min read  •  Source: NVD CVE-1999-0086, IBM PSIRT advisory page CVE: CVE-1999-0086 NVD summary: AIX routed allows remote users to modify sensitive files. References: exchange.xforce.ibmcloud.com/vulnerabilities/CVE   exchange.xforce.ibmcloud.com/vulnerabilities/CVE Table of contents Symptom & Impact Environment & Reproduction Root […]

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FreeBSD 13 — apache-struts — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — apache-struts — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: Apache Commons FileUpload — denial of service (DoS) vulnerability Related CVEs: CVE-2016-3092 Upstream summary: Mark Thomas reports: CVE-2016-3092 is a denial of service vulnerability that has been corrected in the […]

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Debian 11 — ruby-faye — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — ruby-faye — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2020-11020 CVE-2020-15134 Upstream summary: Faye (NPM, RubyGem) versions greater than 0.5.0 and before 1.0.4, 1.1.3 and 1.2.5, has the potential for authentication bypass in the extension system. The […]

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