Package Management

FreeBSD 12 — py38-Flask-Cors — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — py38-Flask-Cors — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 24 August 2020 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: py-Flask-Cors — directory traversal vulnerability Related CVEs: CVE-2020-25032 Upstream summary: praetorian-colby-morgan reports: An issue was discovered in Flask-CORS (aka CORS Middleware for Flask) before 3.0.9. It allows ../ directory traversal […]

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How to Set Up Checkmk on SLES 15 — step-by-step SUSE Linux Enterprise 15 tutorial on Progressive Robot

How to Set Up Checkmk on SLES 15

Introduction This tutorial covers How to Set Up Checkmk 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 refresh […]

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Oracle Linux 8 — squid:4 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — squid:4 — vulnerability — patch and remediation guide (ELSA-2021-1979)

🟠 High   ⏱ 15–60 min  Last verified: 24 August 2020 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2021-1979 Related CVEs: CVE-2020-25097 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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How to Install and Secure phpMyAdmin on Debian 10 — step-by-step Debian 10 tutorial on Progressive Robot

How to Install and Secure phpMyAdmin on Debian 10

Introduction How to Install and Secure phpMyAdmin on Debian 10 is a fundamental operation for any administrator maintaining a Debian 10 Buster server. Debian 10 Buster ships with the Linux 6.12 kernel, updated toolchains, and a fully refreshed package archive — meaning version numbers, configuration file paths, and some dependency chains differ from Debian 10. […]

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How to Install MongoDB on Debian 10 — step-by-step Debian 10 tutorial on Progressive Robot

How to Install MongoDB on Debian 10

Introduction Debian 10 Buster is built around the ethos of stability and free software. Setting up install mongodb on debian 10 on Buster leverages the same proven Debian packaging system that powers millions of servers worldwide, while benefiting from the latest upstream releases included in the Buster freeze. Follow each step carefully and the resulting […]

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Amazon Linux 2 — python-httplib2 — vulnerability — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — python-httplib2 — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2ANSIBLE2-2023-007 Related CVEs: CVE-2020-11078 Upstream summary: A flaw was found in python-httplib2. An attacker controlling an unescaped part of uri for `httplib2.Http.request()` could change request headers and body, send additional […]

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How to Set Up Veeam Backup for Windows Server 2016 — step-by-step Windows Server 2016 tutorial on Progressive Robot

How to Set Up Veeam Backup for Windows Server 2016

How to Use Veeam Backup for Windows Server 2016 Veeam Backup and Replication is an industry-leading data protection platform that provides image-level backups, replication, and instant recovery for Windows Server 2016 and other platforms. Unlike Windows Server Backup, Veeam captures the full VM or physical machine state at the hypervisor or agent level, enabling near-zero […]

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Oracle Linux 8 — libvncserver — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — libvncserver — vulnerability — patch and remediation guide (ELSA-2020-0920)

🟠 High   ⏱ 15–60 min  Last verified: 23 August 2020 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2020-0920 Related CVEs: CVE-2019-15690 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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How to Set Up a CI/CD Pipeline with Tekton on Kubernetes on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Set Up a CI/CD Pipeline with Tekton on Kubernetes on RHEL 7

How to Set Up a CI/CD Pipeline with Tekton on Kubernetes on RHEL 7 Tekton is a Kubernetes-native CI/CD framework that defines pipelines as Kubernetes Custom Resource Definitions (CRDs). Unlike Jenkins, which runs as a separate server, or GitLab CI, which requires the GitLab platform, Tekton lives entirely inside your cluster and follows standard Kubernetes […]

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Ubuntu 20.04 — inspircd — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — inspircd — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 22 August 2020 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7405-1 Related CVEs: CVE-2016-7142 CVE-2019-20917 CVE-2020-25269 Upstream summary: It was discovered that InspIRCd did not correctly handle certificate fingerprints, which could lead to spoofing. A remote attacker could possibly use […]

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