Logging Monitoring

Oracle Linux 8 — dbus — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — dbus — vulnerability — patch and remediation guide (ELSA-2020-3014)

🟠 High   ⏱ 15–60 min  Last verified: 26 May 2020 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2020-3014 Related CVEs: CVE-2020-12049 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

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How to Configure Container Networking with SDN on Windows Server 2016 — step-by-step Windows Server 2016 tutorial on Progressive Robot

How to Configure Container Networking with SDN on Windows Server 2016

How to Configure Windows Server 2016 Container Networking SDN Windows Server 2016 introduced native Windows container support, and with it, integration with Software Defined Networking (SDN) to provide scalable, flexible, and policy-driven networking for containerized workloads. Container Networking with SDN in Windows Server 2016 enables containers to be placed on tenant virtual networks managed by […]

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Common Problems 121007

Debian 10 interrupted dpkg Requires Manual Configuration

🟠 High   ⏱ 5–30 min  Last verified: 25 May 2020 Affected versions: Debian 10 📖 ~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 WordPress with Apache2 on Debian 10 — step-by-step Debian 10 tutorial on Progressive Robot

How to Set Up WordPress with Apache2 on Debian 10

Introduction This guide explains how to Set Up WordPress with Apache2 on Debian 10 on Debian 10 Buster. Debian Buster 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 10 install with […]

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Common Problems 115535

RHEL 7 Postfix Queue Stuck By SELinux Policy

🟡 Medium   ⏱ 5–30 min  Last verified: 25 May 2020 Affected versions: RHEL 7 📖 ~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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Gentoo Linux — net-dialup/freeradius — vulnerability — patch and remediation guide — diagnosis and fix on Gentoo Linux

Gentoo Linux — net-dialup/freeradius — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read  •  Source: Gentoo GLSA GLSA-202101-27 Upstream summary: It was discovered that Gentoo’s FreeRADIUS systemd unit set permissions on an unsafe directory on start. Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick […]

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How to Configure Kernel Tuning with vmo on IBM AIX 7.2 — step-by-step IBM AIX 7.2 tutorial on Progressive Robot

How to Configure Kernel Tuning with vmo 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 configure kernel tuning with vmo on ibm aix 7.2 […]

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SLES 15 — libsrt1 — vulnerability — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — libsrt1 — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2020 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory openSUSE-SU-2019:2083-1 (see also SUSE bugzilla) Related CVEs: CVE-2019-15784 Upstream summary: Secure Reliable Transport (SRT) through 1.3.4 has a CSndUList array overflow if there are many SRT connections. Table of contents Symptom & […]

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