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Common Problems 118971

Ubuntu 14.04 LTS DNS resolution fails while IP ping works

🟡 Medium   ⏱ 5–30 min  Last verified: 19 May 2026 Affected versions: 14.04 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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How to Install MariaDB on SLES 12 — step-by-step SUSE Linux Enterprise 12 tutorial on Progressive Robot

How to Install MariaDB on SLES 12

Introduction This tutorial covers How to Install MariaDB on SLES 12 on SLES 12. SLES 12 (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 MariaDB zypper install -y mariadb mariadb-server Step 2 — […]

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FreeBSD 12 — zh-phpbb-tw — multiple vulnerabilities (10 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — zh-phpbb-tw — multiple vulnerabilities (10 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: phpbb — NULL byte injection vulnerability Related CVEs: CVE-2005-3310 CVE-2005-3415 CVE-2005-3416 CVE-2005-3417 CVE-2005-3418 CVE-2005-3419 CVE-2005-3420 CVE-2005-3536  +2 more Upstream summary: Secunia reports: ShAnKaR has discovered a vulnerability in phpBB, which […]

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Common Problems 113588

Windows Server 2012 R2 — Windows Update for Business enrollment conflict blocks update scans — Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 05 June 2027 Affected versions: Windows Server 2012 R2 📖 ~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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Common Problems 112976

Windows Server 2016 – Windows Defender false positive blocking app – Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 01 April 2027 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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FreeBSD 12 — postfixadmin — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — postfixadmin — 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: postfixadmin — SQL injection vulnerability Related CVEs: CVE-2012-0811 CVE-2012-0812 CVE-2014-2655 Upstream summary: Thijs Kinkhorst reports: Postfixadmin has an SQL injection vulnerability. This vulnerability is only exploitable by authenticated users able […]

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Common Problems 112593

Windows Server 2019 — Windows Firewall ruleset regression blocks east-west traffic after GPO refresh — Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 20 May 2026 Affected versions: Windows Server 2019 📖 ~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 Active Directory Rights Management Services on Windows Server 2016 — step-by-step Windows Server 2016 tutorial on Progressive Robot

How to Configure Active Directory Rights Management Services on Windows Server 2016

How to Set Up Windows Server 2016 Active Directory Rights Management Active Directory Rights Management Services (AD RMS) is an information protection technology that works with AD RMS-enabled applications to help safeguard sensitive documents and email from unauthorized use. When content is protected using AD RMS, usage policies are embedded directly in the file — […]

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SQL Create Table — step-by-step DevOps tutorial on Progressive Robot

SQL Create Table

URL: https://www.progressiverobot.com/sql-create-table/ When we have to store data in relational databases, the first part is to [create the database](/community/tutorials/sql-create-database-postgresql-mysql-sql-server). Next step is to create a table in the database that will store our data. In this tutorial, we will discuss how to create a table using SQL queries in MySQL and PostgreSQL databases. I am […]

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