March 2020 - Page 65 of 69

Common Problems 115590

Docker Daemon Fails to Start on RHEL 7

🟡 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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Common Problems 115013

RHEL 8 auditd backlog overflow drops security events

🟡 Medium   ⏱ 5–30 min  Last verified: 19 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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How to Configure Grafana Loki on SLES 15 — step-by-step SUSE Linux Enterprise 15 tutorial on Progressive Robot

How to Configure Grafana Loki on SLES 15

Introduction This tutorial covers How to Configure Grafana Loki on SLES 15 on SLES 15. SLES 15 (SUSE Linux Enterprise Server 16) is SUSE’s enterprise-grade Linux distribution. It uses the zypper package manager, AppArmor for mandatory access control, and systemctl for service management. Step 1 — Install Prometheus zypper install -y golang-github-prometheus-prometheus Step 2 — […]

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How to Back Up Hyper-V Virtual Machines on Windows Server 2012 R2 — step-by-step Windows Server 2012 R2 tutorial on Progressive Robot

How to Back Up Hyper-V Virtual Machines on Windows Server 2012 R2

How to Back Up Hyper-V Virtual Machines on Windows Server 2012 R2 Backing up Hyper-V virtual machines is a critical operational responsibility. A comprehensive Hyper-V backup strategy must produce consistent, recoverable backups without disrupting running VMs. Windows Server 2012 R2 provides multiple backup mechanisms: host-level VSS-based backup (captures the entire VM state from the host), […]

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Initial Setup of a Fedora 22 Server — step-by-step Linux tutorial on Progressive Robot

Initial Setup of a Fedora 22 Server

When you first log into a fresh Fedora 22 server, it’s not ready for use as a production system. There are a number of recommended steps to take in order to customize and secure it, e.g. enabling a firewall. This tutorial will show you how to give a fresh installation of a Fedora 22 server a better security profile and be ready for use.

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FreeBSD 12 — ampache — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — ampache — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: ampache — insecure temporary file usage Related CVEs: CVE-2008-3929 Upstream summary: Secunia reports: A security issue has been reported in Ampache, which can be exploited by malicious, local users to […]

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Visual Studio Code で Git統合を使用する方法 — step-by-step DevOps tutorial on Progressive Robot

Visual Studio Code で Git統合を使用する方法

Visual Studio Codeは、Web開発で最も人気のあるエディターのひとつです。このような人気を博した理由は、多くの組み込み機能によります。Git などのソース管理統合もそのひとつです。Gitは、それ自体最も人気のある強力なソース管理統合のプロバイダーの一つですが、VS Code でその機能を活用すると、さらに有用性が増します。

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FreeBSD 12 — netscape-navigator — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — netscape-navigator — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: libpng stack-based buffer overflow and other code concerns Related CVEs: CVE-2004-0597 CVE-2004-0598 CVE-2004-0599 Upstream summary: Chris Evans has discovered multiple vulnerabilities in libpng, which can be exploited by malicious people […]

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How to Set Up CouchDB on Debian 10 — step-by-step Debian 10 tutorial on Progressive Robot

How to Set Up CouchDB on Debian 10

Introduction How to Set Up CouchDB on Debian 10 is a fundamental operation for any administrator maintaining a Debian 10 Buster server. Debian 10 Buster 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 10. This […]

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