Logging Monitoring

FreeBSD 12 — py27-pygments — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — py27-pygments — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 6 August 2019 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: pygments — shell injection vulnerability Related CVEs: CVE-2015-8557 Upstream summary: NVD reports: The FontManager._get_nix_font_path function in formatters/img.py in Pygments 1.2.2 through 2.0.2 allows remote attackers to execute arbitrary commands via […]

Read more
Common Problems 118529

Ubuntu 16.04 LTS Sudo Fails in Non-Interactive Automation

🟡 Medium   ⏱ 5–30 min  Last verified: 6 August 2019 Affected versions: 16.04 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 113521

Windows Server 2012 R2 — IIS W3SVC service fails after certificate change — Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 6 August 2019 Affected versions: Windows Server 2012 R2 📖 ~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 […]

Read more
Common Problems 112514

Windows Server 2019 — AD trust password broken between domains causing cross-domain auth failures — Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 6 August 2019 Affected versions: Windows Server 2019 📖 ~2 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
FreeBSD 12 — cdrdao — security advisory — patch and remediation guide — diagnosis and fix on FreeBSD 12

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

🟢 Low   ⏱ 5–15 min  Last verified: 6 August 2019 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: cdrdao — unspecified privilege escalation vulnerability Upstream summary: The developers of cdrdao report that there is a potential root exploit in the software. In order to be able to succesfully […]

Read more
How to Configure Kernel Tuning with vmo on IBM AIX 7.1 — step-by-step IBM AIX 7.1 tutorial on Progressive Robot

How to Configure Kernel Tuning with vmo 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 configure kernel tuning with vmo on ibm aix 7.1 […]

Read more
How to Tune AIX for Oracle Database Performance on IBM AIX 7.2 — step-by-step IBM AIX 7.2 tutorial on Progressive Robot

How to Tune AIX for Oracle Database Performance on IBM AIX 7.2

Introduction IBM AIX 7.2 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 7.2 introduces enhanced virtualization, security hardening, and cloud integration features. This guide covers how to tune aix for oracle database performance on ibm aix […]

Read more
How to Install and Configure Nomad on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Install and Configure Nomad on Debian 9

Introduction This guide explains how to Install and Configure Nomad on Debian 9 on Debian 9 Stretch. Debian Stretch uses systemd for service management, nftables as the underlying packet filter (with ufw or iptables front-ends still available), and AppArmor for mandatory access control. Every command is designed for a minimal Debian 9 install with the […]

Read more
FreeBSD 12 — libzrtpcpp — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — libzrtpcpp — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 6 August 2019 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: libzrtpcpp — multiple security vulnerabilities Related CVEs: CVE-2013-2221 CVE-2013-2222 CVE-2013-2223 Upstream summary: Mark Dowd reports: Vulnerability 1. Remote Heap Overflow: If an attacker sends a packet larger than 1024 bytes […]

Read more
How to Configure Chrony as a Time Server on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Configure Chrony as a Time Server on RHEL 8

Chrony is the recommended NTP implementation on RHEL 8, replacing the older ntpd daemon. In most deployments, each server simply synchronizes time from an upstream source, but promoting one server to act as a local NTP authority reduces external traffic and ensures that isolated hosts without internet access can still keep accurate time. This guide […]

Read more
CHAT