Level Up as an Open Source Contributor
Git tips and tricks for preparing and submitting great pull requests.
How To Set Up Mattermost on Ubuntu 20.04
Mattermost is an open source collaboration and messaging platform created with security and configurability in mind providing comparable functionality to Discord or Slack. In this tutorial, you will set up the Mattermost Team Edition on your Ubuntu 20.04 server.
How to Configure Blackbox Exporter for Endpoint Monitoring on Debian 10
Introduction Debian 10 Buster is built around the ethos of stability and free software. Setting up configure blackbox exporter for endpoint monitoring 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 […]
Arch Linux — libxcursor — 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-201711-41 Related CVEs: CVE-2017-16612 Upstream summary: Type: arbitrary code execution. Status: Fixed. Affected: 1.1.14-1. Fixed in: 1.1.15-1. Group: AVG-531. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]
FreeBSD 12 — diablo-jdk — multiple vulnerabilities (2 CVEs) — patch and remediation guide
🟢 Low ⏱ 5–15 min Last verified: 28 May 2020 Affected versions: FreeBSD 12 📖 ~4 min read • Source: FreeBSD VuXML VuXML topic: jdk — jar directory traversal vulnerability Related CVEs: CVE-2004-1029 CVE-2005-1080 Upstream summary: Pluf has discovered a vulnerability in Sun Java JDK/SDK, which potentially can be exploited by malicious people to […]
FreeBSD 12 — ruby22-gems — multiple vulnerabilities (2 CVEs) — patch and remediation guide
🟢 Low ⏱ 5–15 min Last verified: 28 May 2020 Affected versions: FreeBSD 12 📖 ~4 min read • Source: FreeBSD VuXML VuXML topic: rubygems — deserialization vulnerability Related CVEs: CVE-2015-3900 CVE-2017-0903 Upstream summary: oss-security mailing list: There is a possible unsafe object desrialization vulnerability in RubyGems. It is possible for YAML deserialization of […]
Упаковка и публикация приложения Snap в Ubuntu 18.04
Автор выбрал фонд Electronic Frontier Foundation для получения пожертвований в рамках программы Write for DOnations. Одной из самых крупных проблем при разработке…
SLES 12 — nodejs10 — multiple vulnerabilities (2 CVEs) — patch and remediation guide
🟢 Low ⏱ 5–15 min Last verified: 28 May 2020 Affected versions: SLES 12 📖 ~4 min read • Source: SUSE advisory SUSE-CU-2019:741-1 (see also SUSE bugzilla) Related CVEs: CVE-2019-9511 CVE-2019-9513 Upstream summary: Some HTTP/2 implementations are vulnerable to window size manipulation and stream prioritization manipulation, potentially leading to a denial of service. The […]
So containerisieren Sie eine Ruby-on-Rails-Anwendung zur Entwicklung mit Docker Compose
Wenn Sie eine Anwendung aktiv entwickeln, kann Docker den Workflow und den Prozess der Bereitstellung der Anwendung in der Produktion vereinfachen. Die Arbeit mit Containern im Entwicklungsbereich bietet folgende Vorteile: Die Umgebungen sind…
SLES 15 — fence-agents — vulnerability — patch and remediation guide
🟡 Medium ⏱ 10–30 min Last verified: 28 May 2020 Affected versions: SLES 15 📖 ~4 min read • Source: SUSE advisory SUSE-SU-2019:1809-1 (see also SUSE bugzilla) Related CVEs: CVE-2019-10153 Upstream summary: A flaw was discovered in fence-agents, prior to version 4.3.4, where using non-ASCII characters in a guest VM's comment or other fields […]
