Logging Monitoring

Ubuntu 18.04 — gnome-shell — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — gnome-shell — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-3966-1 Related CVEs: CVE-2019-3820 Upstream summary: It was discovered that the GNOME Shell incorrectly handled certain keyboard inputs. An attacker could possibly use this issue to invoke keyboard shortcuts, and […]

Read more
openSUSE Tumbleweed — libqt4 — multiple vulnerabilities (8 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — libqt4 — multiple vulnerabilities (8 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-SR:2011:002 (see also SUSE bugzilla) Related CVEs: CVE-2009-0945 CVE-2011-3193 CVE-2011-3922 CVE-2013-0254 CVE-2015-1858 CVE-2015-1859 CVE-2012-6093 CVE-2014-0190 Upstream summary: Array index error in the insertItemBefore method in WebKit, as used in Apple Safari before […]

Read more
Common Problems 116084

Ubuntu 26.04 LTS – SSH public key authentication fails due to permission errors – Fix & Prevention

🟠 High   ⏱ 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 […]

Read more
Common Problems 115390

Yum Lock Held by Another Process on RHEL 7

🟡 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 […]

Read more
openSUSE Tumbleweed — libmodplug1 — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — libmodplug1 — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory openSUSE-SU-2011:0943-1 (see also SUSE bugzilla) Related CVEs: CVE-2011-1761 CVE-2013-4233 CVE-2013-4234 Upstream summary: Multiple stack-based buffer overflows in the (1) abc_new_macro and (2) abc_new_umacro functions in src/load_abc.cpp in libmodplug before 0.8.8.3 allow remote […]

Read more
FreeBSD 12 — ruby+pthreads+oniguruma — multiple vulnerabilities (9 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — ruby+pthreads+oniguruma — multiple vulnerabilities (9 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: ruby — UTF-7 encoding XSS vulnerability in WEBrick Related CVEs: CVE-2006-5467 CVE-2006-6303 CVE-2008-1447 CVE-2008-2726 CVE-2008-3655 CVE-2008-3656 CVE-2008-3905 CVE-2009-1904  +1 more Upstream summary: The official ruby site reports: WEBrick have had […]

Read more
How to Set Up PostgreSQL via AIX Toolbox on IBM AIX 7.1 — step-by-step IBM AIX 7.1 tutorial on Progressive Robot

How to Set Up PostgreSQL via AIX Toolbox on IBM AIX 7.1

Introduction IBM AIX 7.1 is the latest release of IBM’s enterprise-grade UNIX operating system, running on IBM Power Systems hardware. Known for its reliability, security, and performance in mission-critical environments, AIX 7.1 introduces enhanced virtualization, security hardening, and cloud integration features. This guide covers how to set up postgresql via aix toolbox on ibm aix […]

Read more
FreeBSD 12 — postfix-policyd-weight — security advisory — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — postfix-policyd-weight — 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: postfix-policyd-weight — working directory symlink vulnerability Upstream summary: postfix-policyd-weight does not check for symlink for its working directory. If the working directory is not already setup by the super root, […]

Read more
How to Configure a Forest Trust in Active Directory on Windows Server 2012 R2 — step-by-step Windows Server 2012 R2 tutorial on Progressive Robot

How to Configure a Forest Trust in Active Directory on Windows Server 2012 R2

How to Configure a Forest Trust in Active Directory on Windows Server 2012 R2 A forest trust is a transitive trust between two Active Directory forests that enables seamless authentication and resource access across forest boundaries. Unlike external trusts (which connect individual domains), a forest trust extends to all domains in both forests, allowing any […]

Read more
FreeBSD 12 — punbb — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — punbb — vulnerability — 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: punbb — NULL byte injection vulnerability Related CVEs: CVE-2006-4759 Upstream summary: CVE Mitre reports: PunBB 1.2.12 does not properly handle an avatar directory pathname ending in %00, which allows remote […]

Read more
CHAT