July 2019 - Page 3 of 61

Common Problems 115076

RHEL 8 rsyslog Not Forwarding Logs To Remote SIEM

🟡 Medium   ⏱ 5–30 min  Last verified: 30 July 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 […]

Read more
How to Set Up Datadog Agent on SLES 15 — step-by-step SUSE Linux Enterprise 15 tutorial on Progressive Robot

How to Set Up Datadog Agent on SLES 15

Introduction This tutorial covers How to Set Up Datadog Agent 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 […]

Read more
Common Problems 112634

Windows Server 2019 — AAD Connect sync conflict on user attribute causes export error — Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 30 July 2019 Affected versions: Windows Server 2019 📖 ~2 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 […]

Read more
FreeBSD 12 — avahi-libdns — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — avahi-libdns — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 30 July 2019 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: avahi — denial of service Related CVEs: CVE-2010-2244 CVE-2011-1002 Upstream summary: Avahi developers reports: A vulnerability has been reported in Avahi, which can be exploited by malicious people to cause […]

Read more
Common Problems 112404

Windows Server 2019 — Chocolatey package install fails due to TLS 1.2 handshake error — Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 30 July 2019 Affected versions: Windows Server 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 […]

Read more
FreeBSD 12 — php71-gd — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — php71-gd — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 30 July 2019 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: php-gd and gd — Buffer over-read into uninitialized memory Related CVEs: CVE-2017-7890 Upstream summary: PHP developers report: The GIF decoding function gdImageCreateFromGifCtx in gd_gif_in.c in the GD Graphics Library (aka […]

Read more
How to Set Up Windows Server 2019 with Grafana — step-by-step Windows Server 2019 tutorial on Progressive Robot

How to Set Up Windows Server 2019 with Grafana

How to Set Up Windows Server 2019 with Grafana Grafana is an open-source analytics and visualization platform that, when combined with a time-series data source, provides powerful dashboards for Windows Server 2019 monitoring. The typical architecture uses Windows Exporter (formerly wmi_exporter) to expose Prometheus-compatible metrics from Windows Server 2019, a Prometheus server to scrape and […]

Read more
Introduction to Kafka — step-by-step Web Servers tutorial on Progressive Robot

Introduction to Kafka

In this tutorial, you’ll learn how to set up Apache Kafka, create and delete topics, and send and receive events using the provided scripts. You’ll also learn about similar projects with the same purpose, and how Kafka compares.

Read more
CHAT