Operations

Alpine Linux edge — dino — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux edge

Alpine Linux edge — dino — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 0.4.2-r0 📖 ~4 min read  •  Source: Alpine secdb entry — dino 0.4.2-r0 Related CVEs: CVE-2023-28686 CVE-2021-33896 Upstream summary: Alpine community repository for vedge ships dino 0.4.2-r0 which addresses CVE-2023-28686. Table of contents Symptom & Impact […]

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How to Install Ruby on Rails on Oracle Linux 9 — step-by-step Oracle Linux 9 tutorial on Progressive Robot

How to Install Ruby on Rails on Oracle Linux 9

Introduction Setting up install ruby on rails on oracle linux 9 on a Oracle Linux 9 server is a common task for system administrators, DevOps engineers, and site reliability engineers. This guide explains how to Install Ruby on Rails on Oracle Linux 9, with all the commands you need, the SELinux and firewalld considerations to […]

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Common Problems 111643

Windows Server 2022 — RAS Gateway stops forwarding traffic after reboot — Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 4 March 2023 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 […]

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IBM AIX 7.3 — CVE-1999-0093 — vulnerability — patch and remediation guide — diagnosis and fix on IBM AIX 7.3

IBM AIX 7.3 — CVE-1999-0093 — vulnerability — patch and remediation guide

🟠 High   ⏱ 30–90 min  Last verified: 4 March 2023 Affected versions: IBM AIX 7.3 📖 ~4 min read  •  Source: NVD CVE-1999-0093, IBM PSIRT advisory page CVE: CVE-1999-0093 NVD summary: AIX nslookup command allows local users to obtain root access by not dropping privileges correctly. References: exchange.xforce.ibmcloud.com/vulnerabilities/CVE   exchange.xforce.ibmcloud.com/vulnerabilities/CVE Table of contents Symptom […]

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Alpine Linux edge — mruby — multiple vulnerabilities (14 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux edge

Alpine Linux edge — mruby — multiple vulnerabilities (14 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 3.1.0-r0 📖 ~4 min read  •  Source: Alpine secdb entry — mruby 3.1.0-r0 Related CVEs: CVE-2021-4110 CVE-2021-4188 CVE-2022-0080 CVE-2022-0240 CVE-2022-0326 CVE-2022-0481 CVE-2022-0631 CVE-2022-0632  +6 more Upstream summary: Alpine community repository for vedge ships mruby 3.1.0-r0 which […]

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Debian 11 — node-browserify-sign — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — node-browserify-sign — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 4 March 2023 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2023-46234 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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Ubuntu 18.04 — prometheus-alertmanager — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — prometheus-alertmanager — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 4 March 2023 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6935-1 Related CVEs: CVE-2023-40577 Upstream summary: It was discovered that prometheus-alertmanager didn't properly sanitize input it received through an API endpoint. An attacker with permission to send requests to this […]

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Gentoo Linux — dev-php/smarty — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on Gentoo Linux

Gentoo Linux — dev-php/smarty — multiple vulnerabilities (6 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read  •  Source: Gentoo GLSA GLSA-202209-09 Related CVEs: CVE-2018-25047 CVE-2021-21408 CVE-2021-29454 CVE-2022-29221 CVE-2021-26119 CVE-2021-26120 Upstream summary: Multiple vulnerabilities have been discovered in Smarty. Please review the CVE identifiers referenced below for details. Table of contents Symptom & […]

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How to Set Up Windows Server 2022 Services Management — step-by-step Windows Server 2022 tutorial on Progressive Robot

How to Set Up Windows Server 2022 Services Management

Why Run a Private Container Registry? A private container registry gives you full control over where your container images are stored, who can access them, and how they are distributed across your infrastructure. Rather than pushing every image to Docker Hub or a cloud provider’s registry, you can host a registry on your own Windows […]

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Windows Server 2019 — KB5022872 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2019

Windows Server 2019 — KB5022872 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Windows Server 2019 📖 ~4 min read  •  Source: Microsoft KB5022872 • MSRC update-guide entry Related CVEs: CVE-2023-21689 CVE-2023-21690 CVE-2023-21692 CVE-2023-21684 CVE-2023-21701 CVE-2023-21797 CVE-2023-21798 CVE-2023-21799  +12 more Affected components: Windows Server 2019 (Server Core installation) Table of contents Symptom & Impact Environment […]

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CHAT