🟡 Medium ⏱ 10–30 min Last verified: 25 September 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read • Source: Debian Security Tracker Related CVEs: CVE-2021-3909 CVE-2021-43172 CVE-2021-43173 Upstream summary: OctoRPKI does not limit the length of a connection, allowing for a slowloris DOS attack to take place which makes OctoRPKI wait forever. […]
Introduction This tutorial covers How to Install Redis on SLES 15 on SLES 15. SLES 15 (SUSE Linux Enterprise Server 16) is SUSE’s enterprise-grade Linux distribution. It uses the zypper package manager, AppArmor for mandatory access control, and systemctl for service management. Step 1 — Install Redis zypper install -y redis Step 2 — Enable […]
We all know that DNS is a protocol which resolves domain names to IP addresses, but how do we know the authenticity of the returned IP address? It is possible for an attacker to tamper a DNS response or poison the DNS cache and take users to a malicious site with the legitimate domain name in the address bar.
Let’s Encrypt is a Certificate Authority (CA) that provides an accessible way to obtain and install free TLS/SSL certificates, thereby enabling encrypted HTTPS on web servers. It simplifies the process by providing a software client, Certbot, that attempts to automate most (if not all) of the required steps. In this tutorial, you will use Certbot to obtain a free SSL certificate for Nginx on Ubuntu 22.04, and set up your certificate to renew automatically.
🟢 Low ⏱ 5–15 min Last verified: 25 September 2022 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read • Source: Ubuntu Security Notice USN-6277-2 Related CVEs: CVE-2021-3838 CVE-2022-2400 Upstream summary: USN-6277-1 fixed vulnerabilities in Dompdf. This update provides the corresponding updates for Ubuntu 22.04 LTS. Original advisory details: It was discovered that Dompdf […]
![Installieren des Apache-Webservers unter CentOS 8 [Schnellstart] — step-by-step Linux tutorial on Progressive Robot](https://www.progressiverobot.com/wp-content/uploads/2026/05/how-to-install-the-apache-web-server-on-centos-8-quickstart-de-82709-featured.png "Installieren des Apache-Webservers unter CentOS 8 [Schnellstart] 6")
Der Apache-HTTP-Server ist der am häufigsten verwendete Webserver der Welt. Er bietet viele leistungsfähige Funktionen, einschließlich dynamisch ladbarer Module, robuster Medienunterstützung und umfassender Integration mit anderen beliebten…
Julia is a programming language designed to be high performance in computation and analysis. It is popular in data science, scientific research, visualization, machine learning, and also for more general purpose application building. The official site provides a [live demo](https://julialang.org/learning/tryjulia/) for you to try out the Julia language, but for practical use and development you will need to install it onto your system.
🟡 Medium ⏱ 10–30 min Last verified: 25 September 2022 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read • Source: Ubuntu Security Notice USN-6243-2 Related CVEs: https://launchpad.net/bugs/2030807 CVE-2017-18638 CVE-2022-4728 CVE-2022-4729 CVE-2022-4730 Upstream summary: USN-6243-1 fixed vulnerabilities in Graphite-Web. It was discovered that the applied fix was incomplete. This update fixes the problem. Original […]
Composer is a popular dependency management tool for PHP, created to facilitate installation and updates for project dependencies. It will check which other packages a specific project depends on and install them for you, using the appropriate versions according to the project requirements.
Introduction How to Configure rkhunter Rootkit Scanner on Debian 11 is a fundamental operation for any administrator maintaining a Debian 11 Bullseye server. Debian 11 Bullseye ships with the Linux 6.12 kernel, updated toolchains, and a fully refreshed package archive — meaning version numbers, configuration file paths, and some dependency chains differ from Debian 11. […]
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