March 2020 - Page 31 of 63

Ubuntu 18.04 — libpodofo — multiple vulnerabilities (10 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — libpodofo — multiple vulnerabilities (10 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 17 March 2020 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7217-1 Related CVEs: CVE-2017-5886 CVE-2018-11255 CVE-2018-12983 CVE-2018-20797 CVE-2018-5308 CVE-2018-8002 CVE-2019-10723 CVE-2020-18971  +2 more Upstream summary: It was discovered that the PoDoFo library could dereference a NULL pointer when getting the […]

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How To Install Jitsi Meet on Ubuntu 18.04 — step-by-step Linux tutorial on Progressive Robot

How To Install Jitsi Meet on Ubuntu 18.04

Jitsi Meet is an open-source video-conferencing application based on WebRTC. In this tutorial, you will install and configure a Jitsi Meet server on Ubuntu 18.04. The default configuration allows anyone to create a new conference room. This is not ideal for a server that is publicly available on the internet so you will also configure Jitsi Meet so that only registered users can create new conference rooms.

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How to Configure IPv6 on Windows Server 2012 R2 — step-by-step Windows Server 2012 R2 tutorial on Progressive Robot

How to Configure IPv6 on Windows Server 2012 R2

How to Configure IPv6 on Windows Server 2012 R2 IPv6 is the successor to IPv4, offering a vastly larger address space (128-bit addresses versus IPv4’s 32-bit), improved routing efficiency, mandatory IPsec support, and built-in autoconfiguration capabilities. Windows Server 2012 R2 has first-class support for IPv6 and is actually designed to prefer IPv6 over IPv4 by […]

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Как настроить виртуальные хосты в Apache на Ubuntu 14.04 LTS — step-by-step Linux tutorial on Progressive Robot

Как настроить виртуальные хосты в Apache на Ubuntu 14.04 LTS

Веб-сервер Apache является самым популярным средством размещения веб-контента в интернете. На его счету более половины всех действующих веб-сайтов. Это очень мощный и гибкий инструмент. Apache разделяет свои функциональные возможности и компоненты на отдельные части, которые…

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Common Problems 118539

Ubuntu 16.04 LTS SSSD Cache Causes Domain Login Failures

🟠 High   ⏱ 5–30 min  Last verified: 16 March 2020 Affected versions: 16.04 LTS 📖 ~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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Common Problems 118089

Ubuntu 18.04 LTS Fail2ban Bans Legitimate Admin IPs

🟡 Medium   ⏱ 5–30 min  Last verified: 16 March 2020 Affected versions: 18.04 LTS 📖 ~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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How to Install and Configure Rclone on Debian 10 — step-by-step Debian 10 tutorial on Progressive Robot

How to Install and Configure Rclone on Debian 10

Introduction Deploying install and configure rclone 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 Ensure Debian […]

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How to Set Up RDS Connection Broker on Windows Server 2012 R2 — step-by-step Windows Server 2012 R2 tutorial on Progressive Robot

How to Set Up RDS Connection Broker on Windows Server 2012 R2

How to Set Up RDS Connection Broker on Windows Server 2012 R2 The RD Connection Broker is the central intelligence of a Remote Desktop Services deployment. It load-balances incoming connections across multiple RD Session Host servers, ensures users reconnect to their existing disconnected sessions rather than starting new ones, and manages the assignment of virtual […]

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Alpine Linux edge — xbps — vulnerability — patch and remediation guide — diagnosis and fix on Alpine Linux edge

Alpine Linux edge — xbps — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 0.58-r0 📖 ~4 min read  •  Source: Alpine secdb entry — xbps 0.58-r0 Related CVEs: CVE-2020-7450 Upstream summary: Alpine community repository for vedge ships xbps 0.58-r0 which addresses CVE-2020-7450. Table of contents Symptom & Impact Environment […]

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