Logging Monitoring

How to Configure System Initialization with /etc/inittab on IBM AIX 7.1 — step-by-step IBM AIX 7.1 tutorial on Progressive Robot

How to Configure System Initialization with /etc/inittab 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 system initialization with /etc/inittab on ibm aix 7.1 […]

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Ubuntu 16.04 — freerdp — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — freerdp — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 16 December 2020 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4382-1 Related CVEs: CVE-2020-11042 CVE-2020-11045 CVE-2020-11046 CVE-2020-11048 CVE-2020-11049 CVE-2020-11058 CVE-2020-11521 CVE-2020-11522  +12 more Upstream summary: It was discovered that FreeRDP incorrectly handled certain memory operations. A remote attacker could use […]

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Initial Server Setup with IBM AIX 7.1 — step-by-step IBM AIX 7.1 tutorial on Progressive Robot

Initial Server Setup with 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 server setup with ibm aix 7.1 on IBM AIX […]

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How to Configure RC Scripts on IBM AIX 7.2 — step-by-step IBM AIX 7.2 tutorial on Progressive Robot

How to Configure RC Scripts 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 rc scripts on ibm aix 7.2 on IBM […]

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SLES 15 — lua53 — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — lua53 — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 16 December 2020 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory SUSE-CU-2019:697-1 (see also SUSE bugzilla) Related CVEs: CVE-2019-6706 CVE-2020-24370 CVE-2020-24371 Upstream summary: Lua 5.3.5 has a use-after-free in lua_upvaluejoin in lapi.c. For example, a crash outcome might be achieved by an attacker […]

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Oracle Linux 8 — java-11-openjdk — security and stability fixes — required update — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — java-11-openjdk — security and stability fixes — required update (ELSA-2023-0200)

🟡 Medium   ⏱ 10–30 min  Last verified: 15 December 2020 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-0200 Related CVEs: CVE-2023-21835 CVE-2023-21843 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & […]

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Common Problems 121494

Debian 9 – dist-upgrade aborts with held broken packages

🟠 High   ⏱ 5–30 min  Last verified: 15 December 2020 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 117988

Ubuntu 18.04 LTS – systemd service enters crash loop after package update – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 15 December 2020 Affected versions: Ubuntu 18.04 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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SLES 15 — bcm43xx-firmware — vulnerability — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — bcm43xx-firmware — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 15 December 2020 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE security advisory (see also SUSE bugzilla) Related CVEs: CVE-2020-10370 Upstream summary: Certain Cypress (and Broadcom) Wireless Combo chips such as CYW43455, when a 2021-01-26 Bluetooth firmware update is not present, allow a Bluetooth […]

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Common Problems 112521

Windows Server 2019 – Hyper-V checkpoint merge stuck with AVHDX growth – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 15 December 2020 Affected versions: Windows Server 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 […]

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