Package Management

Alpine Linux edge — xkbcomp — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux edge

Alpine Linux edge — xkbcomp — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 1.5.0-r0 📖 ~4 min read  •  Source: Alpine secdb entry — xkbcomp 1.5.0-r0 Related CVEs: CVE-2018-15853 CVE-2018-15859 CVE-2018-15861 CVE-2018-15863 Upstream summary: Alpine main repository for vedge ships xkbcomp 1.5.0-r0 which addresses CVE-2018-15853. Table of contents Symptom […]

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How to Deploy a Ruby on Rails Application on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Deploy a Ruby on Rails Application on RHEL 7

How to Deploy a Ruby on Rails Application on RHEL 7 Ruby on Rails is a full-featured web application framework that follows the Model-View-Controller (MVC) pattern and emphasizes convention over configuration. Deploying a Rails application on RHEL 7 in a production-grade configuration requires several components working together: Rails itself running under Puma (a multi-threaded Ruby […]

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How to Configure PostgreSQL Replication on SLES 15 — step-by-step SUSE Linux Enterprise 15 tutorial on Progressive Robot

How to Configure PostgreSQL Replication on SLES 15

Introduction This tutorial covers How to Configure PostgreSQL Replication 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. Prerequisites Ensure your SLES 15 system is up to date: zypper refresh […]

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Common Problems 115449

RHEL 7 yum dependency conflict after enabling mixed repositories

🟠 High   ⏱ 5–30 min  Last verified: 27 June 2019 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 — hunspell — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — hunspell — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory openSUSE-SU-2020:1717-1 (see also SUSE bugzilla) Related CVEs: CVE-2019-16707 Upstream summary: Hunspell 1.7.0 has an invalid read operation in SuggestMgr::leftcommonsubstring in suggestmgr.cxx. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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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: 27 June 2019 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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FreeBSD 12 — ricochet — security advisory — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — ricochet — security advisory — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 27 June 2019 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: ricochet — information disclosure Upstream summary: special reports: By sending a nickname with some HTML tags in a contact request, an attacker could cause Ricochet to make network requests without […]

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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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CHAT