Linux

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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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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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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openSUSE Tumbleweed — quassel-base — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — quassel-base — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE security advisory (see also SUSE bugzilla) Related CVEs: CVE-2018-1000178 CVE-2013-4422 CVE-2015-8547 CVE-2018-1000179 CVE-2016-4414 Upstream summary: A heap corruption of type CWE-120 exists in quassel version 0.12.4 in quasselcore in void DataStreamPeer::processMessage(const QByteArray &msg) […]

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How To Set Up an OpenVPN Server on Ubuntu 18.04 — step-by-step Linux tutorial on Progressive Robot

How To Set Up an OpenVPN Server on Ubuntu 18.04

OpenVPN is a full-featured, open-source Secure Socket Layer (SSL) VPN solution that accommodates a wide range of configurations. In this tutorial, you will set up an OpenVPN server on an Ubuntu 18.04 server and then configure access to it from Windows, OS X, iOS and/or Android devices. This tutorial will keep the installation and configuration steps as simple as possible for each of these setups.

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Ubuntu 18.04 — golang-github-docker-docker-credential-helpers — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — golang-github-docker-docker-credential-helpers — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 16 March 2020 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4856-1 Related CVEs: CVE-2019-1020014 Upstream summary: Jasiel Spelman discovered that docker-credential-helpers has a double free. A local attacker could use this to cause a denial of service (crash) or possibly […]

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