April 2020 - Page 13 of 62

FreeBSD 12 — percona55-server — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — percona55-server — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 April 2020 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: MySQL Server — Multiple vulerabilities Related CVEs: CVE-2015-3194 CVE-2015-4792 CVE-2015-4802 CVE-2015-4807 CVE-2015-4815 CVE-2015-4826 CVE-2015-4830 CVE-2015-4836  +12 more Upstream summary: Oracle reports: This Critical Patch Update contains 45 new security patches […]

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Android CoordinatorLayout — step-by-step DevOps tutorial on Progressive Robot

Android CoordinatorLayout

Up until now we've used android CoordinatorLayout in plenty of our tutorials. Yet we haven't gone into it's details. In this tutorial we'll discuss and customise the CoordinatorLayout in android app. Android CoordinatorLayout Android CoordinatorLayout is a super-powered [FrameLayout](/community/tutorials/android-framelayout-absolutelayout-example-tutorial). It has a lot more to offer than it seems. It has additional level of control […]

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How to Install Apache Kafka on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Install Apache Kafka on RHEL 8

Apache Kafka is a distributed event streaming platform capable of handling millions of messages per second, making it a popular choice for real-time data pipelines, log aggregation, and event-driven microservices. Kafka is distributed as a self-contained binary archive and does not require a package manager installation, so the setup process involves downloading, configuring, and wrapping […]

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How to Configure ZFS on SLES 12 — step-by-step SUSE Linux Enterprise 12 tutorial on Progressive Robot

How to Configure ZFS on SLES 12

Introduction This tutorial covers How to Configure ZFS 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. Prerequisites Ensure your SLES 12 system is up to date: zypper refresh && […]

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Common Problems 121095

Debian 10 Disk Full in /var Causes Service Outages

🔴 Critical   ⏱ 5–30 min  Last verified: 24 April 2020 Affected versions: Debian 10 📖 ~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 — roundcube-thunderbird_labels — security advisory — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — roundcube-thunderbird_labels — security advisory — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 24 April 2020 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: roundcube-thunderbird_labels — RCE with custom label titles Upstream summary: The Roundcube project reports: Description: Remote code execution vulnerability in roundcube-thunderbird_labels when tb_label_modify_labels is enabled. Workaround: If you cannot upgrade to […]

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Alpine Linux edge — py3-yaml — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux edge

Alpine Linux edge — py3-yaml — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 5.4-r0 📖 ~4 min read  •  Source: Alpine secdb entry — py3-yaml 5.4-r0 Related CVEs: CVE-2020-14343 CVE-2020-1747 Upstream summary: Alpine main repository for vedge ships py3-yaml 5.4-r0 which addresses CVE-2020-14343. Table of contents Symptom & Impact […]

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How to Install Loki Log Aggregation on Debian 10 — step-by-step Debian 10 tutorial on Progressive Robot

How to Install Loki Log Aggregation on Debian 10

Introduction Debian 10 Buster is built around the ethos of stability and free software. Setting up install loki log aggregation on debian 10 on Buster leverages the same proven Debian packaging system that powers millions of servers worldwide, while benefiting from the latest upstream releases included in the Buster freeze. Follow each step carefully and […]

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