March 2020 - Page 8 of 63

FreeBSD 12 — nsd — multiple vulnerabilities (9 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — nsd — multiple vulnerabilities (9 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 28 March 2020 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: Unbound/NSD — Denial of service vulnerability Related CVEs: CVE-2009-1755 CVE-2012-2978 CVE-2012-2979 CVE-2016-6170 CVE-2016-6171 CVE-2016-6172 CVE-2016-6173 CVE-2019-13207  +1 more Upstream summary: NLNetLabs reports: Unbound and NSD when writing the PID file […]

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Deploying a Rails App on Ubuntu 14.04 with Capistrano, Nginx, and Puma — step-by-step Linux tutorial on Progressive Robot

Deploying a Rails App on Ubuntu 14.04 with Capistrano, Nginx, and Puma

In this tutorial we’ll install Ruby and Nginx on a the cloud provider Ubuntu Droplet and configure Puma and Capistrano in our web app. Nginx will be used to capture client requests and pass them over to the Puma web server running Rails. We’ll use Capistrano to automate common deployment tasks, so every time we have to deploy a new version of our Rails app to the server, we can do that with a few simple commands.

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FreeBSD 12 — py33-salt — multiple vulnerabilities (10 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — py33-salt — multiple vulnerabilities (10 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 28 March 2020 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: salt — multiple vulnerabilities in salt-master process Related CVEs: CVE-2016-1866 CVE-2016-3176 CVE-2017-12791 CVE-2017-14695 CVE-2017-14696 CVE-2018-15750 CVE-2018-15751 CVE-2019-17361  +2 more Upstream summary: F-Secure reports: CVE-2020-11651 – Authentication bypass vulnerabilities The ClearFuncs […]

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FreeBSD 12 — py33-pillow — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — py33-pillow — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 28 March 2020 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: Pillow — multiple vulnerabilities Related CVEs: CVE-2016-0740 CVE-2016-0775 CVE-2016-9189 CVE-2016-9190 Upstream summary: Pillow reports: Pillow prior to 3.3.2 may experience integer overflow errors in map.c when reading specially crafted image […]

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Arch Linux — zeromq — vulnerability — patch and remediation guide — diagnosis and fix on Arch Linux

Arch Linux — zeromq — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Arch Linux (rolling release) 📖 ~4 min read  •  Source: Arch ASA ASA-202009-16 Related CVEs: CVE-2020-15166 Upstream summary: Type: denial of service. Status: Fixed. Affected: 4.3.2-3. Fixed in: 4.3.3-1. Group: AVG-1219. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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How to Configure Docker Networking on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Configure Docker Networking on RHEL 7

How to Configure Docker Networking on RHEL 7 Docker provides a powerful networking model that allows containers to communicate with each other, with the host, and with the outside world in a secure and configurable way. Out of the box, Docker creates a default bridge network and manages its own iptables rules to control traffic […]

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An Introduction to Machine Learning — step-by-step AI And Machine Learning tutorial on Progressive Robot

An Introduction to Machine Learning

Machine learning is a subfield of artificial intelligence (AI). The goal of machine learning generally is to understand the structure of data and fit that data into models that can be understood and utilized by people. Although machine learning is a field within computer…

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How to Install and Configure ISC DHCP Server on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Install and Configure ISC DHCP Server on Debian 9

Introduction Deploying install and configure isc dhcp server on debian 9 on a Debian 9 Stretch 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 […]

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