Operations

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

Oracle Linux 8 — GraalVM — vulnerability — patch and remediation guide (ELSA-2022-9949)

🟠 High   ⏱ 15–60 min  Last verified: 22 December 2022 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-9949 Related CVEs: CVE-2022-21619 CVE-2022-21618 CVE-2022-32212 CVE-2022-21628 CVE-2022-32214 CVE-2022-32215 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

Read more
How to Configure Group Policy on Windows Server 2022 — step-by-step Windows Server 2022 tutorial on Progressive Robot

How to Configure Group Policy on Windows Server 2022

How to Configure Network Settings with PowerShell on Windows Server 2022 PowerShell’s NetTCPIP, NetAdapter, and DnsClient modules provide a complete, scriptable interface for every network configuration task on Windows Server 2022 — from renaming adapters to setting static IP addresses, configuring DNS, managing routes, and testing connectivity. These cmdlets replaced the legacy netsh commands for […]

Read more
Common Problems 111873

Windows Server 2022 – RDP connections fail with CredSSP/NLA mismatch – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 21 December 2022 Affected versions: Windows Server 2022 📖 ~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
How to Use suma to Automate Fix Downloads on IBM AIX 7.2 — step-by-step IBM AIX 7.2 tutorial on Progressive Robot

How to Use suma to Automate Fix Downloads 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 use suma to automate fix downloads on ibm aix […]

Read more
How to Configure Kernel Tuning with vmo on IBM AIX 7.3 — step-by-step IBM AIX 7.3 tutorial on Progressive Robot

How to Configure Kernel Tuning with vmo on IBM AIX 7.3

Introduction IBM AIX 7.3 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 7.3 introduces enhanced virtualization, security hardening, and cloud integration features. This guide covers how to configure kernel tuning with vmo on IBM AIX 7.3 […]

Read more
Debian 11 — sdcc — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — sdcc — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 21 December 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2009-3736 Upstream summary: ltdl.c in libltdl in GNU Libtool 1.5.x, and 2.2.6 before 2.2.6b, as used in Ham Radio Control Libraries, Q, and possibly other products, attempts to […]

Read more
Debian 11 — rust-smallvec — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — rust-smallvec — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 21 December 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2018-25023 CVE-2019-15551 CVE-2019-15554 CVE-2021-25900 Upstream summary: An issue was discovered in the smallvec crate before 0.6.13 for Rust. It can create an uninitialized value of any type, including […]

Read more
How to Harden Shared Memory on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Harden Shared Memory on Debian 9

Introduction How to Harden Shared Memory on Debian 9 is a fundamental operation for any administrator maintaining a Debian 9 Stretch server. Debian 9 Stretch ships with the Linux 6.12 kernel, updated toolchains, and a fully refreshed package archive — meaning version numbers, configuration file paths, and some dependency chains differ from Debian 9. This […]

Read more
CHAT