chris

Arch Linux — subversion — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Arch Linux

Arch Linux — subversion — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Arch Linux (rolling release) 📖 ~4 min read  •  Source: Arch ASA ASA-201708-14 Related CVEs: CVE-2017-9800 CVE-2019-0203 CVE-2018-11782 CVE-2018-11803 Upstream summary: Type: arbitrary command execution. Status: Fixed. Affected: 1.9.6-1. Fixed in: 1.9.7-1. Group: AVG-379. Table of contents Symptom & Impact Environment & […]

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How to Install, Run, and Connect to Jupyter Notebook on a Remote Server — step-by-step Linux tutorial on Progressive Robot

How to Install, Run, and Connect to Jupyter Notebook on a Remote Server

Jupyter Notebook is an open-source, interactive web application that allows you to write and run computer code in more than 40 programming languages, including Python, R, Julia, and Scala. This article will walk you through how to install and configure the Jupyter Notebook application on a web server and how to connect to it from your local computer.

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Debian 9 — libgd2 — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Debian 9

Debian 9 — libgd2 — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 4 May 2020 Affected versions: Debian 9 (stretch) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2017-6362 CVE-2017-7890 CVE-2019-6977 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification […]

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How To Create a Custom Source Plugin in Gatsby — step-by-step Javascript tutorial on Progressive Robot

How To Create a Custom Source Plugin in Gatsby

A source plugin is a bundle of code that handles bringing data into the Gatsby ecosystem from a given source. Sources can be from the local filesystem as with Markdown files, databases, published data feeds, or even completely dynamic remote data sources such as APIs. In this tutorial, you will build your own custom source plugin to bring new data into Gatsby from a real-world API. You will also format the data so that it can be accessed throughout Gatsby.

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Arch Linux — dnsmasq — multiple vulnerabilities (14 CVEs) — patch and remediation guide — diagnosis and fix on Arch Linux

Arch Linux — dnsmasq — multiple vulnerabilities (14 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Arch Linux (rolling release) 📖 ~4 min read  •  Source: Arch ASA ASA-201710-1 Related CVEs: CVE-2017-14496 CVE-2017-14495 CVE-2017-14494 CVE-2017-14493 CVE-2017-14492 CVE-2017-14491 CVE-2020-25687 CVE-2020-25686  +6 more Upstream summary: Type: multiple issues. Status: Fixed. Affected: 2.77-1. Fixed in: 2.78-1. Group: AVG-421. Table of contents […]

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How to Monitor MySQL with Prometheus mysqld_exporter on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Monitor MySQL with Prometheus mysqld_exporter on RHEL 7

How to Monitor MySQL with Prometheus mysqld_exporter on RHEL 7 Prometheus is an open-source monitoring system that scrapes metrics from instrumented targets at regular intervals and stores them in a time-series database. For MySQL monitoring, the official mysqld_exporter binary exposes hundreds of MySQL performance schema metrics, InnoDB statistics, replication lag, and query throughput in the […]

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Common Problems 121694

Debian 9 – Fail2ban blocks internal monitoring and trusted hosts

🟡 Medium   ⏱ 5–30 min  Last verified: 3 May 2020 Affected versions: Debian 9 📖 ~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 & […]

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