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 […]
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.
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.
🟠 High ⏱ 15–60 min Last verified: 25 May 2026 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 […]
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.
In this guide, you will learn how to set up a self-signed SSL/TLS certificate for use with an Nginx web server on an Ubuntu server.
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.
The sudo (superuser do) tool allows designated users to run commands with elevated privileges without sharing the root password. This is fundamental to the principle of least privilege: each administrator gets exactly the access they need for their role, no more. When access is misconfigured — for example with blanket ALL=(ALL) ALL entries or unsafe […]
🟠 High ⏱ 15–60 min Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read • Source: SUSE advisory openSUSE-SU-2019:1395-1 (see also SUSE bugzilla) Related CVEs: CVE-2016-10745 CVE-2019-10906 CVE-2020-28493 Upstream summary: In Pallets Jinja before 2.8.1, str.format allows a sandbox escape. Table of contents Symptom & Impact Environment & Reproduction Root […]
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 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 […]
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