Introduction This guide explains how to Configure File System Quotas on Debian 10 on Debian 10 Buster. Debian Buster 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 10 install with the […]
In this tutorial, you’ll use some of the utilities exposed by Python’s argparse standard library module. You’ll write command-line interfaces that accept positional and optional arguments to control the underlying program’s behavior. You’ll also self-document a CLI by providing help text that can be displayed to other developers who are using your CLI.
🔴 Critical ⏱ 15–90 min Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read • Source: SUSE advisory openSUSE-SU-2020:0554-1 (see also SUSE bugzilla) Related CVEs: CVE-2018-1002105 CVE-2017-1002101 CVE-2019-11247 CVE-2019-11249 CVE-2019-11253 Upstream summary: In all Kubernetes versions prior to v1.10.11, v1.11.5, and v1.12.3, incorrect handling of error responses to proxied upgrade […]
dry is a simple but extensive terminal application built to interact with Docker containers and their images. Using dry removes the repetition involved when executing routine Docker Engine commands, and also provides a more visual alternative to the native Docker CLI. In this tutorial, we will install dry and explore some of its most useful features.
How to Configure Kerberos Constrained Delegation on Windows Server 2012 R2 Kerberos delegation allows a service running under a specific account to impersonate a user and access other network resources on their behalf. Unconstrained delegation is dangerous because a compromised account can be used to impersonate any user to any service in the domain. Constrained […]
Zabbix is open-source monitoring software for networks and applications. In this tutorial, you will configure a Zabbix-based monitoring system on two CentOS 7 machines. One will be configured as the server, and the other as a client that you’ll monitor. The server will use a MySQL database to record monitoring data and use Apache to serve the web interface.
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: FreeBSD 12 📖 ~4 min read • Source: FreeBSD VuXML VuXML topic: libgadu — multiple vulnerabilities Related CVEs: CVE-2005-1850 CVE-2005-1851 CVE-2005-1852 CVE-2005-2369 CVE-2005-2370 CVE-2005-2448 Upstream summary: Wojtek Kaniewski reports: Multiple vulnerabilities have been found in libgadu, a library for handling Gadu-Gadu instant […]
Learn to build a web server in Node.js using the HTTP module. Covers setup, routing, static files, GET/POST requests, and production best practices.
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: FreeBSD 12 📖 ~4 min read • Source: FreeBSD VuXML VuXML topic: HAproxy — serious vulnerability affecting the HPACK decoder used for HTTP/2 Related CVEs: CVE-2012-2391 CVE-2015-3281 CVE-2016-5360 CVE-2020-11100 Upstream summary: The HAproxy Project reports: The main driver for this release is […]
L’auteur a choisi le Open Internet/Free Speech Fund pour recevoir un don dans le cadre du programme Write for Donations. Il est presque impossible de construire des sites web qui…
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