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How To Analyze Managed PostgreSQL Database Statistics Using the Elastic Stack on Ubuntu 18.04 — step-by-step Linux tutorial on Progressive Robot

How To Analyze Managed PostgreSQL Database Statistics Using the Elastic Stack on Ubuntu 18.04

Database monitoring is the continuous process of systematically tracking various metrics that show how the database is performing. By observing the performance data, you can gain valuable insights and identify possible bottlenecks, as well as find additional ways of improving database performance. In this tutorial, you’ll import database metrics, generated by the PostgreSQL statistics collector, into Elasticsearch via Logstash.

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openSUSE Tumbleweed — libwmf — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — libwmf — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory SUSE-SR:2006:019 (see also SUSE bugzilla) Related CVEs: CVE-2006-3376 CVE-2015-0848 CVE-2015-4588 CVE-2015-4695 CVE-2015-4696 Upstream summary: Integer overflow in player.c in libwmf 0.2.8.4, as used in multiple products including (1) wv, (2) abiword, (3) […]

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Oracle Linux 8 — http-parser — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — http-parser — vulnerability — patch and remediation guide (ELSA-2020-0708)

🟠 High   ⏱ 15–60 min  Last verified: 14 November 2019 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2020-0708 Related CVEs: CVE-2019-15605 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

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Common Problems 118573

Ubuntu 16.04 LTS – systemd service enters restart loop – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 13 November 2019 Affected versions: Ubuntu 16.04 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 Configure Apache with mod_pagespeed on SLES 15 — step-by-step SUSE Linux Enterprise 15 tutorial on Progressive Robot

How to Configure Apache with mod_pagespeed on SLES 15

Introduction This tutorial covers How to Configure Apache with mod_pagespeed 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 […]

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Common Problems 115522

Dracut emergency shell after storage changes

🟡 Medium   ⏱ 5–30 min  Last verified: 13 November 2019 📖 ~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 Use lsdev and lscfg for Device Inventory on IBM AIX 7.1 — step-by-step IBM AIX 7.1 tutorial on Progressive Robot

How to Use lsdev and lscfg for Device Inventory on IBM AIX 7.1

Introduction IBM AIX 7.1 is the latest release of IBM’s enterprise-grade UNIX operating system, running on IBM Power Systems hardware. Known for its reliability, security, and performance in mission-critical environments, AIX 7.1 introduces enhanced virtualization, security hardening, and cloud integration features. This guide covers how to use lsdev and lscfg for device inventory on ibm […]

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