September 2023 - Page 28 of 72

Common Problems 119991

Debian 12 – initramfs BusyBox Drop on Boot – Root Filesystem Recovery

🔴 Critical   ⏱ 5–30 min  Last verified: 19 May 2026 Affected versions: Debian 12 📖 ~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 Configure Traffic Shaping with tc on CentOS Stream 9 — step-by-step CentOS Stream 9 tutorial on Progressive Robot

How to Configure Traffic Shaping with tc on CentOS Stream 9

Introduction This tutorial demonstrates how to Configure Traffic Shaping with tc on CentOS Stream 9 on CentOS Stream 9. It is written for administrators who want a repeatable, well-explained walkthrough that goes beyond a bare command list and explains each configuration choice. Every command is tested against a freshly registered CentOS Stream 9 system with […]

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Windows Server 2019 — KB5027283 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2019

Windows Server 2019 — KB5027283 — 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 KB5027283 • MSRC update-guide entry Related CVEs: CVE-2023-29363 CVE-2023-32014 CVE-2023-32015 CVE-2023-29346 CVE-2023-29351 CVE-2023-29355 CVE-2023-29358 CVE-2023-29359  +12 more Affected components: Windows Server 2019 (Server Core installation) Table of contents Symptom & Impact Environment […]

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VMware ESXi 8.0 — vmxnet3 — ESXi vulnerability — VIB / vLCM patch and remediation guide — diagnosis and fix on VMware ESXi 8.0

VMware ESXi 8.0 — vmxnet3 — ESXi vulnerability — VIB / vLCM patch and remediation guide

🟠 Important   ⏱ 20–90 min  Last verified: 25 May 2026 Affected versions: VMware ESXi 8.0 📖 ~4 min read  •  Source: VMware advisory VMSA-2023-0001 Related CVEs: CVE-2023-20872 Fixed image profile / build: ESXi80U1a-21813344 Upstream summary: Stack buffer overflow in the vmxnet3 virtual network adapter (CVE-2023-20872) allows a guest with administrative privileges and a virtual […]

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FreeBSD 13 — nebula — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — nebula — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: nebula — security fix for terrapin vulnerability Related CVEs: CVE-2023-48795 Upstream summary: Upstream reports: Security fix: Update golang.org/x/crypto, which includes a fix for CVE-2023-48795. Table of contents Symptom & Impact […]

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Common Problems 117629

Ubuntu 20.04 LTS NIC Driver Not Loaded After Kernel Update

🟡 Medium   ⏱ 5–30 min  Last verified: 20 May 2026 📖 ~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 & Cross-Refs References & Further […]

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Debian 12 — gpicview — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — gpicview — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2008-3791 CVE-2008-3904 Upstream summary: src/main-win.c in GPicView 0.1.9 in Lightweight X11 Desktop Environment (LXDE) allows local users to overwrite arbitrary files via a symlink attack on the /tmp/rot.jpg […]

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Debian 12 — faac — multiple vulnerabilities (8 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — faac — multiple vulnerabilities (8 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2017-9129 CVE-2017-9130 CVE-2018-19886 CVE-2018-19887 CVE-2018-19888 CVE-2018-19889 CVE-2018-19890 CVE-2018-19891 Upstream summary: The wav_open_read function in frontend/input.c in Freeware Advanced Audio Coder (FAAC) 1.28 allows remote attackers to cause a […]

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

How to Install Packer on Oracle Linux 9

Introduction How to Install Packer on Oracle Linux 9 on Oracle Linux 9 provides administrators with a robust, enterprise-ready workflow that integrates cleanly with systemd, SELinux, firewalld, and the modern AppStream module system. In this tutorial we will walk through every step required, from package installation to verification, so that the resulting configuration is reproducible […]

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How To Host a Website Using Cloudflare and Nginx on Ubuntu 22.04 — step-by-step Linux tutorial on Progressive Robot

How To Host a Website Using Cloudflare and Nginx on Ubuntu 22.04

In this tutorial, you will secure a website served by Nginx with an Origin CA certificate from Cloudflare and configure Nginx to use authenticated pull requests. The advantages of using this setup are that you benefit from Cloudflare’s CDN and fast DNS resolution while ensuring that all connections pass through Cloudflare. This prevents any malicious requests from reaching your server.

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