June 2019 - Page 8 of 62

Common Problems 115449

RHEL 7 yum dependency conflict after enabling mixed repositories

🟠 High   ⏱ 5–30 min  Last verified: 19 May 2026 Affected versions: RHEL 7 📖 ~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 — xrdb — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — xrdb — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory SUSE-SA:2011:016 (see also SUSE bugzilla) Related CVEs: CVE-2011-0465 Upstream summary: xrdb.c in xrdb before 1.0.9 in X.Org X11R7.6 and earlier allows remote attackers to execute arbitrary commands via shell metacharacters in a […]

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openSUSE Tumbleweed — slf4j — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — slf4j — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory openSUSE-SU-2018:1625-1 (see also SUSE bugzilla) Related CVEs: CVE-2018-8088 Upstream summary: org.slf4j.ext.EventData in the slf4j-ext module in QOS.CH SLF4J before 1.8.0-beta2 allows remote attackers to bypass intended access restrictions via crafted data. EventData […]

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How To Add Twitter Card and Open Graph Social Metadata to Your Webpage with HTML — step-by-step DevOps tutorial on Progressive Robot

How To Add Twitter Card and Open Graph Social Metadata to Your Webpage with HTML

When you share links on social media platforms, they’ll often be presented with rich imagery and a nicely formatted title, summary, and link, instead of plain text. You can add these rich media social sharing capabilities to your site by including certain meta tags in the head of your HTML document. This tutorial will show you how to implement both Twitter Card and Open Graph social metadata.

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How To Add a Prometheus Dashboard to Grafana — step-by-step Linux tutorial on Progressive Robot

How To Add a Prometheus Dashboard to Grafana

Grafana is the leading graph and dashboard builder for visualizing time series infrastructure and application metrics, but many use it in other domains including industrial sensors, home automation, weather, and process control. It provides a powerful and elegant way to create, explore, and share dashboards and data with your team and the world. In this tutorial, you will learn how to add Prometheus as a data source to your Grafana instance and install a pre-configured Prometheus Dashboard.

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How to Configure Active Directory Audit Policy on Windows Server 2019 — step-by-step Windows Server 2019 tutorial on Progressive Robot

How to Configure Active Directory Audit Policy on Windows Server 2019

Introduction to Active Directory Auditing Active Directory is the authentication and authorization backbone of most Windows enterprise environments. Any changes to AD objects—user creations, group membership changes, permission modifications, login failures—can indicate insider threats, compromised accounts, or misconfigurations. Windows Server 2019 provides granular auditing capabilities through Advanced Audit Policy that let you capture exactly what […]

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FreeBSD 12 — ap22-mod_jk — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — ap22-mod_jk — 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: mod_jk — information disclosure Related CVEs: CVE-2014-8111 Upstream summary: NIST reports: Apache Tomcat Connectors (mod_jk) before 1.2.41 ignores JkUnmount rules for subtrees of previous JkMount rules, which allows remote attackers […]

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