January 2020 - Page 45 of 69

openSUSE Tumbleweed — xinetd — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — xinetd — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2014:0466-1 (see also SUSE bugzilla) Related CVEs: CVE-2012-0862 CVE-2013-4342 Upstream summary: builtins.c in Xinetd before 2.3.15 does not check the service type when the tcpmux-server service is enabled, which exposes all enabled […]

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Common Problems 113130

Windows Server 2016 — TLS handshake to internal services fails after cipher policy changes — Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 30 May 2026 Affected versions: Windows Server 2016 📖 ~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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openSUSE Tumbleweed — mxml — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — mxml — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2017:3060-1 (see also SUSE bugzilla) Related CVEs: CVE-2016-4570 CVE-2016-4571 Upstream summary: The mxmlDelete function in mxml-node.c in mxml 2.9, 2.7, and possibly earlier allows remote attackers to cause a denial of service […]

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How to Set Up Alertmanager Email Notifications on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Set Up Alertmanager Email Notifications on Debian 9

Introduction This guide explains how to Set Up Alertmanager Email Notifications on Debian 9 on Debian 9 Stretch. Debian Stretch uses systemd for service management, nftables as the underlying packet filter (with ufw or iptables front-ends still available), and AppArmor for mandatory access control. Every command is designed for a minimal Debian 9 install with […]

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Common Problems 112630

Windows Server 2019 Low Free Space Triggers Fragmentation and Poor Throughput – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 20 May 2026 Affected versions: Windows Server 2019 📖 ~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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Gentoo Linux — app-arch/lha — vulnerability — patch and remediation guide — diagnosis and fix on Gentoo Linux

Gentoo Linux — app-arch/lha — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read  •  Source: Gentoo GLSA GLSA-202007-42 Related CVEs: CVE-2016-1925 Upstream summary: A buffer overflow in LHa’s compression code was discovered which can be triggered by a crafted input file. Table of contents Symptom & Impact Environment & […]

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What is YUM? — step-by-step Linux tutorial on Progressive Robot

What is YUM?

YUM is a software package management utility used in many popular Linux distributions, including Fedora and CentOS. YUM is a front-end for the RPM package manager, meaning that it manages packages in the .rpm file format.

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Debian 10 — nghttp2 — vulnerability — patch and remediation guide — diagnosis and fix on Debian 10

Debian 10 — nghttp2 — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 10 (buster) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2019-9511 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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How to Set Up BGP Routing with BIRD on Debian 10 — step-by-step Debian 10 tutorial on Progressive Robot

How to Set Up BGP Routing with BIRD on Debian 10

Introduction This guide explains how to Set Up BGP Routing with BIRD on Debian 10 on Debian 10 Buster. Debian Buster uses systemd for service management, nftables as the underlying packet filter (with ufw or iptables front-ends still available), and AppArmor for mandatory access control. Every command is designed for a minimal Debian 10 install […]

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