Logging Monitoring

How to Use rsync over SSH for Backups on Debian 13 — step-by-step Debian 13 tutorial on Progressive Robot

How to Use rsync over SSH for Backups on Debian 13

Introduction Debian 13 Trixie is built around the ethos of stability and free software. Setting up use rsync over ssh for backups on Trixie leverages the same proven Debian packaging system that powers millions of servers worldwide, while benefiting from the latest upstream releases included in the Trixie freeze. Follow each step carefully and the […]

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Common Problems 116395

Ubuntu 24.04 LTS – APT lock file prevents package installs – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 30 October 2025 Affected versions: Ubuntu 24.04 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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Debian 13 — qgit — vulnerability — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — qgit — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 30 October 2025 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2007-4631 Upstream summary: The DataLoader::doStart function in dataloader.cpp in QGit 1.5.6 and other versions up to 2pre1 allows local users to overwrite arbitrary files and execute arbitrary code […]

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Common Problems 111151

Windows Server 2025 — Intel X710 NIC driver BSOD after Windows Server 2025 CU installation — Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 30 October 2025 Affected versions: Windows Server 2025 📖 ~2 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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Debian 13 — brotli — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — brotli — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 30 October 2025 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2016-1624 CVE-2016-1968 CVE-2020-8927 Upstream summary: Integer underflow in the ProcessCommandsInternal function in dec/decode.c in Brotli, as used in Google Chrome before 48.0.2564.109, allows remote attackers to cause a […]

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Common Problems 113959

RHEL 10 – new kernel installed but system still boots old kernel – Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 30 October 2025 Affected versions: RHEL 10.0 RHEL 10.1 📖 ~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 […]

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SLES 12 — abseil-cpp-devel — vulnerability — patch and remediation guide — diagnosis and fix on SLES 12

SLES 12 — abseil-cpp-devel — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 30 October 2025 Affected versions: SLES 12 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2026:0190-1 (see also SUSE bugzilla) Related CVEs: CVE-2025-0838 Upstream summary: There exists a heap buffer overflow vulnerable in Abseil-cpp. The sized constructors, reserve(), and rehash() methods of absl::{flat,node}hash{set,map} did not impose an […]

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How to Install and Configure Xdebug 3 for PHP 8.3 on Ubuntu 24.04 — step-by-step Linux tutorial on Progressive Robot

How to Harden PHP 8.3 on Ubuntu 24.04

Default PHP settings expose version information, allow dangerous functions, and leave logging disabled. This guide hardens PHP 8.3 on Ubuntu 24.04 LTS to protect production web applications. Tested and valid on: Ubuntu 24.04 LTS Prerequisites Ubuntu 24.04 LTS server with PHP 8.3 installed A user with sudo privileges Step 1 – Disable Version Exposure Open […]

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How to Install Vault by HashiCorp on Debian 13 — step-by-step Debian 13 tutorial on Progressive Robot

How to Install Vault by HashiCorp on Debian 13

Introduction Deploying install vault by hashicorp on a Debian 13 Trixie machine is straightforward thanks to Debian’s policy-compliant packaging. Unlike rpm-based distributions, Debian stores configuration helpers in /etc/default/, uses update-rc.d for older init scripts, and provides dpkg-reconfigure for interactive package configuration. This tutorial stays on the systemd path throughout. Prerequisites Before you begin, ensure you […]

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Oracle Linux 9 — kernel — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — kernel — vulnerability — patch and remediation guide (ELSA-2025-15429)

🟠 High   ⏱ 15–60 min  Last verified: 30 October 2025 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2025-15429 Related CVEs: CVE-2025-37803 CVE-2025-38392 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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