IT, Cloud & DevOps Blog

FreeBSD 12 — subversion-python — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — subversion-python — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 23 August 2019 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: subversion — WebDAV fails to protect metadata Related CVEs: CVE-2004-0749 Upstream summary: In some situations, subversion metadata may be unexpectedly disclosed via WebDAV. A subversion advisory states: mod_authz_svn, the Apache […]

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openSUSE Tumbleweed — postgresql93 — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — postgresql93 — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2015:0478-1 (see also SUSE bugzilla) Related CVEs: CVE-2014-8161 CVE-2015-0241 CVE-2015-0242 CVE-2015-0243 CVE-2015-0244 Upstream summary: PostgreSQL before 9.0.19, 9.1.x before 9.1.15, 9.2.x before 9.2.10, 9.3.x before 9.3.6, and 9.4.x before 9.4.1 allows remote […]

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Ubuntu 14.04 — rssh — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 14.04

Ubuntu 14.04 — rssh — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 23 August 2019 Affected versions: Ubuntu 14.04 (trusty) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-3946-1 Related CVEs: CVE-2019-1000018 CVE-2019-3463 CVE-2019-3464 Upstream summary: It was discovered that rssh incorrectly handled certain command-line arguments and environment variables. An authenticated user could bypass rssh's command restrictions, allowing […]

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How to Install Java (OpenJDK) on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Install Java (OpenJDK) on RHEL 8

Java is one of the most widely used programming languages in enterprise software, and RHEL 8 makes it straightforward to install and manage multiple Java versions through its built-in package manager. Whether you are building web applications, microservices, or command-line tools, having a proper Java development environment is the first step. In this tutorial you […]

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Common Problems 121503

Debian 9: SSH access denied after sshd Match rule change

🔴 Critical   ⏱ 5–30 min  Last verified: 22 August 2019 Affected versions: Debian 9 📖 ~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 115083

RHEL 8 rsyslog cannot forward logs over TLS

🟡 Medium   ⏱ 5–30 min  Last verified: 22 August 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 & Cross-Refs References & Further […]

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How to Configure Apache2 MPM Worker on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Configure Apache2 MPM Worker on Debian 9

Introduction Deploying configure apache2 mpm worker on debian 9 on a Debian 9 Stretch 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 […]

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