Logging Monitoring

How to Enable Remote Desktop on Windows Server 2016 — step-by-step Windows Server 2016 tutorial on Progressive Robot

How to Enable Remote Desktop on Windows Server 2016

How to Configure Windows Server 2016 Remote Desktop Remote Desktop Protocol (RDP) allows administrators to connect to a Windows Server 2016 machine remotely using a graphical interface. By default, RDP is disabled on a fresh installation of Windows Server 2016. This guide explains how to enable Remote Desktop, configure firewall rules, restrict access to specific […]

Read more
How to Set Up a Private Docker Registry on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Set Up a Private Docker Registry on RHEL 7

How to Set Up a Private Docker Registry on RHEL 7 Running a private Docker registry gives your team a secure, internal location to store and distribute container images without relying on Docker Hub or other public registries. Whether you are enforcing air-gapped security policies, reducing external bandwidth, or simply keeping proprietary application images off […]

Read more
Oracle Linux 8 — NetworkManager security, bug fix, and — enhancement update — new behaviour and fixes — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — NetworkManager security, bug fix, and — enhancement update — new behaviour and fixes (ELSA-2021-4361)

🟡 Medium   ⏱ 10–30 min  Last verified: 4 November 2020 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2021-4361 Related CVEs: CVE-2020-13529 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

Read more
openSUSE Tumbleweed — libblosc1 — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — libblosc1 — vulnerability — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory openSUSE-SU-2020:2337-1 (see also SUSE bugzilla) Related CVEs: CVE-2020-29367 Upstream summary: blosc2.c in Blosc C-Blosc2 through 2.0.0.beta.5 has a heap-based buffer overflow when there is a lack of space to write compressed data. […]

Read more
How to Configure Kibana Dashboards on Oracle Linux 8 — step-by-step Oracle Linux 8 tutorial on Progressive Robot

How to Configure Kibana Dashboards on Oracle Linux 8

Introduction This tutorial demonstrates how to Configure Kibana Dashboards on Oracle Linux 8 on Oracle Linux 8. It is written for administrators who want a repeatable, well-explained walkthrough that goes beyond a bare command list and explains each configuration choice. Every command is tested against a freshly registered Oracle Linux 8 system with the default […]

Read more
Ubuntu 18.04 — chrony — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — chrony — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 4 November 2020 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4475-1 Related CVEs: CVE-2020-14367 Upstream summary: It was discovered that Chrony incorrectly handled certain symbolic links. An attacker could possibly use this issue to cause a denial of service or […]

Read more
Oracle Linux 8 — Unbreakable Enterprise kernel — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — Unbreakable Enterprise kernel — vulnerability — patch and remediation guide (ELSA-2021-9006)

🟠 High   ⏱ 15–60 min  Last verified: 3 November 2020 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2021-9006 Related CVEs: CVE-2020-14351 CVE-2020-14381 CVE-2020-29568 CVE-2020-29569 CVE-2020-25705 CVE-2020-28374 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

Read more
Common Problems 112616

Windows Server 2019 – Secure Boot blocks legacy unsigned driver at startup – Fix and Prevention

🟠 High   ⏱ 5–30 min  Last verified: 3 November 2020 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
Oracle Linux 8 — python3 — security and stability fixes — required update — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — python3 — security and stability fixes — required update (ELSA-2020-4433)

🟡 Medium   ⏱ 10–30 min  Last verified: 3 November 2020 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2020-4433 Related CVEs: CVE-2020-14422 CVE-2019-16935 CVE-2020-8492 CVE-2019-20907 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches […]

Read more
CHAT