Package Management

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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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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How to Secure MySQL on Oracle Linux 8 — step-by-step Oracle Linux 8 tutorial on Progressive Robot

How to Secure MySQL on Oracle Linux 8

Introduction Oracle Linux 8 ships with a stable, security-hardened base that makes deploying secure mysql on oracle linux 8 both straightforward and auditable. This tutorial covers the complete procedure for how to Secure MySQL on Oracle Linux 8, including dnf module streams where applicable, systemd unit management, and the firewalld rules required for network-facing services. […]

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How to Configure Network Authentication Service on IBM AIX 7.1 — step-by-step IBM AIX 7.1 tutorial on Progressive Robot

How to Configure Network Authentication Service 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 network authentication service on ibm aix 7.1 on […]

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