2020 - Page 709 of 735

How to Install Keepalived for High Availability on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Install Keepalived for High Availability on Debian 9

Introduction This guide explains how to Install Keepalived for High Availability on Debian 9 on Debian 9 Stretch. Debian Stretch uses systemd for service management, nftables as the underlying packet filter (with ufw or iptables front-ends still available), and AppArmor for mandatory access control. Every command is designed for a minimal Debian 9 install with […]

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How to Set Up OpenMPI on IBM AIX 7.1 — step-by-step IBM AIX 7.1 tutorial on Progressive Robot

How to Set Up OpenMPI on IBM AIX 7.1

Introduction IBM AIX 7.1 is the latest release of IBM’s enterprise-grade UNIX operating system, running on IBM Power Systems hardware. Known for its reliability, security, and performance in mission-critical environments, AIX 7.1 introduces enhanced virtualization, security hardening, and cloud integration features. This guide covers how to set up openmpi on ibm aix 7.1 on IBM […]

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Using Event Emitters in Node.js — step-by-step Javascript tutorial on Progressive Robot

Using Event Emitters in Node.js

Event emitters are objects in Node.js that trigger an event by sending a message to signal that an action was completed. In this article, you will create an event listener for a TicketManager JavaScript class that allows a user to buy tickets. You will set up listeners for the buy event, which will trigger every time a ticket is bought. This process will also teach you how to manage erroneous events from the emitter and how to manage event subscribers.

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openSUSE Tumbleweed — python36-pywbem — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — python36-pywbem — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2014:0580-1 (see also SUSE bugzilla) Related CVEs: CVE-2013-6418 Upstream summary: PyWBEM 0.7 and earlier uses a separate connection to validate X.509 certificates, which allows man-in-the-middle attackers to spoof a peer via an […]

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FreeBSD 12 — libtiff — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — libtiff — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 13 January 2020 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: libtiff — Improper Input Validation Related CVEs: CVE-2017-13726 CVE-2017-13727 Upstream summary: libtiff developers report: There is a reachable assertion abort in the function TIFFWriteDirectoryTagSubifd() in LibTIFF 4.0.8, related to tif_dirwrite.c […]

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FreeBSD 12 — py34-notebook — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — py34-notebook — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 13 January 2020 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: Jupyter Notebook — vulnerability Related CVEs: CVE-2018-8768 Upstream summary: MITRE reports: In Jupyter Notebook before 5.4.1, a maliciously forged notebook file can bypass sanitization to execute JavaScript in the notebook […]

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How to Configure Bonding Network Interfaces on Debian 10 — step-by-step Debian 10 tutorial on Progressive Robot

How to Configure Bonding Network Interfaces on Debian 10

Introduction Deploying configure bonding network interfaces on debian 10 on a Debian 10 Buster machine is straightforward thanks to Debian’s policy-compliant packaging. Unlike rpm-based distributions, Debian stores configuration helpers in /etc/default/, uses update-rc.d for older init scripts, and provides dpkg-reconfigure for interactive package configuration. This tutorial stays on the systemd path throughout. Prerequisites You will […]

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OpenBSD 7.5 — cron — errata 006_cron — security advisory — syspatch and remediation — diagnosis and fix on OpenBSD 7.5

OpenBSD 7.5 — cron — errata 006_cron — security advisory — syspatch and remediation

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: OpenBSD 7.5 📖 ~4 min read  •  Source: OpenBSD 7.5 errata 006_cron Errata topic: Security: cron (All architectures) Issued: August 19, 2024 Related CVEs: CVE-2024-43688 Upstream summary: cron(8) and crontab(1) can crash due to incorrect /step values. CVE-2024-43688 Table of contents Symptom […]

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