Comment utiliser le module subprocess pour exécuter des programmes externes en Python 3
L’auteur a choisi le COVID-19 Relief Fund pour recevoir un don dans le cadre du programme Write for DOnations. Python 3 comprend le [module…
How to Set Up SSH Key Authentication on Debian 9
Introduction This guide explains how to Set Up SSH Key Authentication on Debian 9 on Debian 9 Stretch. Debian Stretch uses systemd for service management, nftables as the underlying packet filter (with ufw or iptables front-ends still available), and AppArmor for mandatory access control. Every command is designed for a minimal Debian 9 install with […]
How To Set Filesystem Quotas on Ubuntu 18.04
Quotas are used to limit the amount of disk space a user or group can use on a filesystem. Without such limits, a user could fill up the machine’s disk and cause problems for other users and services. In this tutorial we will install command line tools to create and inspect disk quotas on Ubuntu 18.04, then set a quota for an example user.
How To Install the Apache Web Server on Debian 9
The Apache HTTP server is the most widely-used web server in the world. It provides many powerful features including dynamically loadable modules, robust media support, and extensive integration with other popular software. In this guide, we’ll explain how to install an Apache web server on your Debian 9 server.
Oracle Linux 8 — pki-deps:10.6 — vulnerability — patch and remediation guide (ELSA-2019-1529)
🟠 High ⏱ 15–60 min Last verified: 7 November 2020 Affected versions: Oracle Linux 8 📖 ~4 min read • Source: ELSA advisory ELSA-2019-1529 Related CVEs: CVE-2018-8014 CVE-2018-8034 CVE-2018-11784 CVE-2018-8037 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches […]
Arch Linux — brotli — vulnerability — patch and remediation guide
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: Arch Linux (rolling release) 📖 ~4 min read • Source: Arch ASA ASA-202009-13 Related CVEs: CVE-2020-8927 Upstream summary: Type: denial of service. Status: Fixed. Affected: 1.0.7-1. Fixed in: 1.0.9-1. Group: AVG-1230. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]
How To Install Elasticsearch, Logstash, and Kibana (Elastic Stack) on Ubuntu 20.04
In this tutorial, we will go over the installation of the Elastic Stack on an Ubuntu 20.04 server. You will learn how to install all of the components of the Elastic Stack (including Filebeat, a Beat used for forwarding and centralizing logs and files) and configure them to gather and visualize system logs. We will install all components on a single server, which we will refer to as our Elastic Stack Server.
Configuração Inicial de servidor com Ubuntu 14.04
Quando você cria inicialmente um novo servidor Ubuntu 14.04, existem alguns passos de configuração que você deve tomar no início como parte da configuração básica. Isto aumentará a segurança e a usabilidade do seu servidor e dará uma sólida fundação para as ações subsequentes.
Oracle Linux 8 — dhcp — security and stability fixes — required update (ELSA-2019-3525)
🟡 Medium ⏱ 10–30 min Last verified: 6 November 2020 Affected versions: Oracle Linux 8 📖 ~4 min read • Source: ELSA advisory ELSA-2019-3525 Related CVEs: CVE-2019-6470 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]
Windows Server 2012 R2 – iSCSI initiator driver sessions fail to reconnect – Fix and Prevention
🟠 High ⏱ 5–30 min Last verified: 6 November 2020 Affected versions: Windows Server 2012 R2 📖 ~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 […]