February 2020 - Page 20 of 64

FreeBSD 12 — kde-runtime — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — kde-runtime — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: kde-runtime — kdesu: displayed command truncated by unicode string terminator Related CVEs: CVE-2013-7252 CVE-2014-8600 CVE-2016-7787 Upstream summary: Albert Aastals Cid reports: A maliciously crafted command line for kdesu can result […]

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How to Configure OSPF with Quagga on Debian 10 — step-by-step Debian 10 tutorial on Progressive Robot

How to Configure OSPF with Quagga on Debian 10

Introduction Debian 10 Buster is built around the ethos of stability and free software. Setting up configure ospf with quagga on debian 10 on Buster leverages the same proven Debian packaging system that powers millions of servers worldwide, while benefiting from the latest upstream releases included in the Buster freeze. Follow each step carefully and […]

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Oracle Linux 8 — dovecot — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — dovecot — vulnerability — patch and remediation guide (ELSA-2020-4763)

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2020-4763 Related CVEs: CVE-2020-10958 CVE-2020-10967 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 Install ISPConfig3 on an Ubuntu 14.04 Server — step-by-step Linux tutorial on Progressive Robot

How To Install ISPConfig3 on an Ubuntu 14.04 Server

ISPConfig3 is a control panel that can be used to manage accounts, domains, email addresses and more. It is often used to help administers configure server shares for users. In this guide, we’ll cover how to install it on an Ubuntu 14.04 server.

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How to Back Up a LAMP Server with Bacula on Ubuntu 14.04 — step-by-step Linux tutorial on Progressive Robot

How to Back Up a LAMP Server with Bacula on Ubuntu 14.04

After getting your application server up and running, an important next step is to set up a backup system. A backup system will allow you to create periodic backup copies of your data, and restore data from those backups. This tutorial will show you how to create proper backups of a PHP application, running on a single server LAMP stack, by using a separate backups server that is running Bacula.

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Apache Spark Example: Word Count Program in Java — step-by-step Web Servers tutorial on Progressive Robot

Apache Spark Example: Word Count Program in Java

Apache Spark Apache Spark is an open source data processing framework which can perform analytic operations on Big Data in a distributed environment. It was an academic project in UC Berkley and was initially started by Matei Zaharia at UC Berkeley’s AMPLab in 2009. Apache Spark was created on top of a cluster management tool […]

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How to Set Up Port Knocking for SSH on RHEL 9 — step-by-step RHEL 9 tutorial on Progressive Robot

How to Set Up Port Knocking for SSH on RHEL 9

Port knocking is a security technique that hides your SSH port from network scanners by keeping it firewalled until a specific sequence of connection attempts is made. On RHEL 9, combining knockd with nftables lets you expose SSH only to clients who know the secret knock sequence, dramatically reducing brute-force exposure. This tutorial walks through […]

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openSUSE Tumbleweed — libid3tag0 — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — libid3tag0 — multiple vulnerabilities (3 CVEs) — 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-2018:0715-1 (see also SUSE bugzilla) Related CVEs: CVE-2004-2779 CVE-2008-2109 CVE-2017-11550 Upstream summary: id3_utf16_deserialize() in utf16.c in libid3tag through 0.15.1b misparses ID3v2 tags encoded in UTF-16 with an odd number of bytes, triggering […]

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openSUSE Tumbleweed — firewalld — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — firewalld — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE security advisory (see also SUSE bugzilla) Related CVEs: CVE-2016-5410 Upstream summary: firewalld.py in firewalld before 0.4.3.3 allows local users to bypass authentication and modify firewall configurations via the (1) addPassthrough, (2) removePassthrough, (3) […]

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