February 2023 - Page 21 of 64

How to Install and Configure Envoy Proxy on RHEL 9 — step-by-step RHEL 9 tutorial on Progressive Robot

How to Install and Configure Envoy Proxy on RHEL 9

Envoy is a high-performance, cloud-native L4/L7 proxy designed for service mesh architectures and API gateway deployments. Originally built by Lyft, it is the data plane of Istio and is used by organisations running microservices on Kubernetes and bare metal alike. Unlike Nginx or HAProxy, Envoy is designed to run as a sidecar alongside each service, […]

Read more
AlmaLinux 9 — logrotate — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 9

AlmaLinux 9 — logrotate — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 9 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2022:8393 Related CVEs: CVE-2022-1348 Upstream summary: The logrotate utility simplifies the administration of multiple log files by allowing their automatic rotation, compression, removal, and mailing. Security Fix(es): * logrotate: potential DoS from […]

Read more
Common Problems 117617

Ubuntu 20.04 LTS – cron jobs fail silently due to environment path mismatch – Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 19 February 2023 Affected versions: Ubuntu 20.04 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 […]

Read more
How to Install Neo4j on Oracle Linux 9 — step-by-step Oracle Linux 9 tutorial on Progressive Robot

How to Install Neo4j on Oracle Linux 9

Introduction How to Install Neo4j on Oracle Linux 9 on Oracle Linux 9 provides administrators with a robust, enterprise-ready workflow that integrates cleanly with systemd, SELinux, firewalld, and the modern AppStream module system. In this tutorial we will walk through every step required, from package installation to verification, so that the resulting configuration is reproducible […]

Read more
Ubuntu 16.04 — exo — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — exo — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 19 February 2023 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6008-1 Related CVEs: CVE-2022-32278 Upstream summary: It was discovered that Exo did not properly sanitized desktop files. A remote attacker could possibly use this issue to to cause a crash […]

Read more
Common Problems 113524

Windows Server 2016 – Hyper-V checkpoint merge stuck with AVHDX growth – Fix & Prevention (FIX-PREVENTION-2)

🟠 High   ⏱ 5–30 min  Last verified: 19 February 2023 Affected versions: Windows Server 2016 📖 ~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
Common Problems 113481

Windows Server 2012 R2 — BITS service job database corruption — Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 19 February 2023 Affected versions: Windows Server 2012 R2 📖 ~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 […]

Read more
Oracle Linux 8 — grafana — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — grafana — vulnerability — patch and remediation guide (ELSA-2023-2784)

🟡 Medium   ⏱ 10–30 min  Last verified: 19 February 2023 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-2784 Related CVEs: CVE-2022-41715 CVE-2022-2880 CVE-2022-39229 CVE-2022-27664 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches […]

Read more
Common Problems 111731

Windows Server 2022 — SSL certificate private key not accessible to IIS after certificate import — Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 19 February 2023 Affected versions: Windows Server 2022 📖 ~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
How To Integrate MongoDB with Your Node Application — step-by-step Linux tutorial on Progressive Robot

How To Integrate MongoDB with Your Node Application

In the process of working with Node.js, you may find yourself developing a project that stores and queries data. This tutorial will show you how to integrate MongoDB with an existing Node application. This process will involve adding user and database information to your application code and using the Object Document Mapper Mongoose. At the end of the tutorial, you will have a working application that will take a user’s input and display it in the browser.

Read more
CHAT