January 2020 - Page 15 of 69

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

FreeBSD 12 — dk-openoffice — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: openoffice — DOC document heap overflow vulnerability Related CVEs: CVE-2004-0752 CVE-2005-0941 Upstream summary: AD-LAB reports that a heap-based buffer overflow vulnerability exists in OpenOffice's handling of DOC documents. When reading […]

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How To Visualize and Interpret Neural Networks in Python — step-by-step AI And Machine Learning tutorial on Progressive Robot

How To Visualize and Interpret Neural Networks in Python

Neural networks achieve state-of-the-art accuracy in many fields such as computer vision, natural-language processing, and reinforcement learning. In this tutorial, you’ll specifically explore two types of explanations: 1. Saliency maps, which highlight the most important parts of the input image; and 2. decision trees, which break down each prediction into a sequence of intermediate decisions.

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How to Configure CORS Headers in Nginx on RHEL 10 — step-by-step RHEL 10 tutorial on Progressive Robot

How to Configure CORS Headers in Nginx on RHEL 10

Introduction RHEL 10 ships with a stable, security-hardened base that makes deploying configure cors headers in nginx both straightforward and auditable. This tutorial covers the complete procedure for how to Configure CORS Headers in Nginx on RHEL 10, including dnf module streams where applicable, systemd unit management, and the firewalld rules required for network-facing services. […]

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FreeBSD 12 — xpdf — multiple vulnerabilities (19 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — xpdf — multiple vulnerabilities (19 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: Xpdf — Multiple Vulnerabilities Related CVEs: CVE-2004-0888 CVE-2004-0889 CVE-2004-1125 CVE-2005-0064 CVE-2005-2097 CVE-2007-3387 CVE-2007-4352 CVE-2007-5392  +11 more Upstream summary: Xpdf 4.02 fixes two vulnerabilities. Both fixes have been backported to 3.04. […]

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SLES 15 — libdwarf1 — vulnerability — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — libdwarf1 — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2023:2784-1 (see also SUSE bugzilla) Related CVEs: CVE-2020-27545 Upstream summary: libdwarf before 20201017 has a one-byte out-of-bounds read because of an invalid pointer dereference via an invalid line table in a crafted […]

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How To Monitor Your Managed PostgreSQL Database Using Nagios Core on Ubuntu 18.04 — step-by-step Linux tutorial on Progressive Robot

How To Monitor Your Managed PostgreSQL Database Using Nagios Core on Ubuntu 18.04

Database monitoring is key to understanding how a database performs at various points in time. It can help you uncover hidden usage problems and bottlenecks, and will also allow you to be in the loop of everything that is happening to your database. In this tutorial, you will set up PostgreSQL database monitoring in Nagios Core using the check_postgres Nagios plugin and set up Slack-based alerting.

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Oracle Linux 8 — java-11-openjdk — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — java-11-openjdk — vulnerability — patch and remediation guide (ELSA-2019-1817)

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2019-1817 Related CVEs: CVE-2019-2786 CVE-2019-2762 CVE-2019-2745 CVE-2019-2769 CVE-2019-2821 CVE-2019-2816 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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How to Install .NET SDK and Runtime on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Install .NET SDK and Runtime on RHEL 8

.NET is Microsoft’s open-source, cross-platform framework for building web APIs, console applications, microservices, and more. RHEL 8 is a fully supported platform for .NET 8, and Microsoft provides a dedicated package repository that integrates cleanly with dnf. This tutorial shows you how to add the Microsoft repository, install the .NET 8 SDK and ASP.NET Core […]

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How To Enable SFTP Without Shell Access on Ubuntu 16.04 — step-by-step Linux tutorial on Progressive Robot

How To Enable SFTP Without Shell Access on Ubuntu 16.04

SFTP stands for SSH File Transfer Protocol. As its name suggests, it’s a secure way of transferring files to a server using an encrypted SSH connection. In a standard configuration, the SSH server grants file transfer access and terminal shell access to all users with an account on the system. In this tutorial, we’ll set up the SSH daemon to limit SFTP access to one directory with no SSH access allowed on per user basis.

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