July 2019 - Page 12 of 69

openSUSE Tumbleweed — openslp — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — openslp — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE security advisory (see also SUSE bugzilla) Related CVEs: CVE-2010-3609 CVE-2016-4912 CVE-2016-7567 Upstream summary: The extension parser in slp_v2message.c in OpenSLP 1.2.1, and other versions before SVN revision 1647, as used in Service Location […]

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Common Problems 118113

Sudo: Unable to Resolve Hostname

🟡 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 112982

Windows Server 2016 — IPv6 stateless DHCP options not delivered reliably to dual-stack clients — Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 19 May 2026 Affected versions: Windows Server 2016 📖 ~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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How to Configure Hyper-V Network Virtualisation on Windows Server 2016 — step-by-step Windows Server 2016 tutorial on Progressive Robot

How to Configure Hyper-V Network Virtualisation on Windows Server 2016

How to Configure Windows Server 2016 Hyper-V Network Virtualisation Hyper-V Network Virtualisation (HNV) is a core technology in the Windows Server 2016 SDN stack that enables multiple tenant virtual networks to coexist on a shared physical network fabric without interference. HNV decouples virtual machine network addresses from the underlying physical network topology, allowing tenants to […]

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How to Set Up IBM Db2 pureScale on IBM AIX 7.2 — step-by-step IBM AIX 7.2 tutorial on Progressive Robot

How to Set Up IBM Db2 pureScale on IBM AIX 7.2

Introduction IBM AIX 7.2 is the latest release of IBM’s enterprise-grade UNIX operating system, running on IBM Power Systems hardware. Known for its reliability, security, and performance in mission-critical environments, AIX 7.2 introduces enhanced virtualization, security hardening, and cloud integration features. This guide covers how to set up ibm db2 purescale on ibm aix 7.2 […]

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FreeBSD 12 — nag — security advisory — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — nag — security advisory — 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: nag — Cross site scripting vulnerabilities in several of the tasklist name and task data fields Upstream summary: Announce of Nag H3 (2.0.4) (final): This [2.0.4] is a security release […]

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How to Configure Remote Desktop Gateway on Windows Server 2012 R2 — step-by-step Windows Server 2012 R2 tutorial on Progressive Robot

How to Configure Remote Desktop Gateway on Windows Server 2012 R2

How to Configure Remote Desktop Gateway on Windows Server 2012 R2 RD Gateway enables Remote Desktop connections from the internet to internal RDS servers or individual Windows computers without requiring a VPN. It wraps RDP traffic in HTTPS (SSL/TLS on port 443), allowing connections through corporate firewalls and NAT devices that typically block port 3389. […]

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How to Harden Nginx: Security Headers, TLS 1.3 and OCSP Stapling on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Harden Nginx: Security Headers, TLS 1.3 and OCSP Stapling on RHEL 8

A default Nginx installation exposes version information in response headers, accepts legacy TLS protocols, and sends no browser security directives — all of which reduce your attack surface score and leave clients vulnerable to clickjacking, MIME sniffing, and downgrade attacks. Hardening Nginx on RHEL 8 involves a series of targeted configuration changes: suppressing the server […]

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