September 2019 - Page 14 of 66

How to Configure Logrotate for Application Logs on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Configure Logrotate for Application Logs on RHEL 8

Logrotate is the standard log rotation utility on RHEL 8, responsible for automatically compressing, archiving, and pruning log files before they consume excessive disk space. Without it, long-running applications like NGINX, custom services, and Java applications can silently fill a filesystem partition and cause outages. Logrotate ships with RHEL 8 and is already configured for […]

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Common Problems 122692

NFS Mounts Intermittently Freeze Applications

🟠 High   ⏱ 5–30 min  Last verified: 20 May 2026 Affected versions: FreeBSD 14 📖 ~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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Gentoo Linux — media-sound/schismtracker — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Gentoo Linux

Gentoo Linux — media-sound/schismtracker — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read  •  Source: Gentoo GLSA GLSA-202107-12 Related CVEs: CVE-2019-14465 CVE-2019-14523 Upstream summary: Multiple vulnerabilities have been discovered in Schism Tracker. Please review the CVE identifiers referenced below for details. Table of contents Symptom & Impact Environment & […]

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Common Problems 116086

Kernel Panic or Boot Failure After Update

🟡 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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How to Harden SSH on SLES 12 — step-by-step SUSE Linux Enterprise 12 tutorial on Progressive Robot

How to Harden SSH on SLES 12

Introduction This tutorial covers How to Harden SSH 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 — Edit SSH Configuration vi /etc/ssh/sshd_config Step 2 — Recommended Settings […]

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FreeBSD 12 — py37-cairosvg — security advisory — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — py37-cairosvg — 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: CairoSVG — Regular Expression Denial of Service vulnerability Upstream summary: CairoSVG security advisories: When processing SVG files, the python package CairoSVG uses two regular expressions which are vulnerable to Regular […]

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Maven Dependency Tree - Resolving Conflicts — step-by-step DevOps tutorial on Progressive Robot

Maven Dependency Tree – Resolving Conflicts

URL: https://www.progressiverobot.com/maven-dependency-tree-resolving-conflicts/ Maven Dependency Tree is very helpful in understanding the project dependencies and resolving any conflicts because of different versions of a dependency. How to get the Maven Dependency Tree of a Project We can run mvn dependency:tree command in the terminal to print the project dependency tree. For our example, I will be […]

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