chris

openSUSE Tumbleweed — python38-mechanize — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — python38-mechanize — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory openSUSE-SU-2023:0030-1 (see also SUSE bugzilla) Related CVEs: CVE-2021-32837 Upstream summary: mechanize, a library for automatically interacting with HTTP web servers, contains a regular expression that is vulnerable to regular expression denial of […]

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How to Build Grafana Dashboards for Linux Server Metrics on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Build Grafana Dashboards for Linux Server Metrics on RHEL 7

How to Build Grafana Dashboards for Linux Server Metrics on RHEL 7 Grafana is the de facto standard for visualising time-series data collected by Prometheus, InfluxDB, Graphite, and dozens of other data sources. A well-constructed Grafana dashboard can surface CPU saturation, memory pressure, disk I/O bottlenecks, and network anomalies at a glance, dramatically reducing the […]

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Oracle Linux 8 — grub2 security, bug fix, and — enhancement update — new behaviour and fixes — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — grub2 security, bug fix, and — enhancement update — new behaviour and fixes (ELSA-2022-2110)

🟢 Low   ⏱ 5–15 min  Last verified: 31 October 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-2110 Related CVEs: CVE-2021-3981 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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FreeBSD 13 — py310-impacket — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — py310-impacket — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 31 October 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: py-impacket — multiple path traversal vulnerabilities Related CVEs: CVE-2021-31800 Upstream summary: asolino reports: Multiple path traversal vulnerabilities exist in smbserver.py in Impacket through 0.9.22. An attacker that connects to a […]

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How to Export and Import Hyper-V Virtual Machines on Windows Server 2012 R2 — step-by-step Windows Server 2012 R2 tutorial on Progressive Robot

How to Export and Import Hyper-V Virtual Machines on Windows Server 2012 R2

How to Export and Import Hyper-V Virtual Machines on Windows Server 2012 R2 Exporting and importing virtual machines is a fundamental Hyper-V administrative skill used for VM backup, migration between hosts, cloning, and archiving. Windows Server 2012 R2 significantly improved the export and import workflow compared to previous versions — exports now occur without needing […]

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FreeBSD 13 — mutt-ng — security advisory — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — mutt-ng — security advisory — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 31 October 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: mutt — Remote Buffer Overflow Vulnerability Upstream summary: SecurityFocus reports: Mutt is prone to a remote buffer-overflow vulnerability. This issue is due to the application's failure to properly bounds-check user-supplied […]

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What is Laravel? — step-by-step Programming tutorial on Progressive Robot

What is Laravel?

Laravel is a free and open-source PHP framework that provides a set of tools and resources to build modern PHP applications. With a complete ecosystem leveraging its built-in features, and a variety of compatible packages and extensions, Laravel has seen its popularity grow rapidly in the past few years, with many developers adopting it as their framework of choice for a streamlined development process.

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

How to Set Up Cockpit Web Console on SLES 15

Introduction This tutorial covers How to Set Up Cockpit Web Console 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: […]

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