How To Set Up a Firewall Using Iptables on Ubuntu 14.04
The iptables firewall is a great way to secure your Linux server. In this guide, we’ll discuss how to configure iptables rules on an Ubuntu 14.04 server.
Debian 11 — libsolv — multiple vulnerabilities (12 CVEs) — patch and remediation guide
🟠 High ⏱ 15–60 min Last verified: 5 September 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read • Source: Debian Security Tracker Related CVEs: CVE-2018-20532 CVE-2018-20533 CVE-2018-20534 CVE-2019-20387 CVE-2021-3200 CVE-2021-33928 CVE-2021-33929 CVE-2021-33930 +4 more Upstream summary: There is a NULL pointer dereference at ext/testcase.c (function testcase_read) in libsolvext.a in libsolv through 0.7.2 […]
Ubuntu 18.04 — mailman — multiple vulnerabilities (12 CVEs) — patch and remediation guide
🟠 High ⏱ 15–60 min Last verified: 5 September 2021 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read • Source: Ubuntu Security Notice USN-5180-1 Related CVEs: CVE-2021-44227 CVE-2021-43331 CVE-2021-43332 https://launchpad.net/bugs/1949401 https://launchpad.net/mailman/+bug/1949403 CVE-2021-42096 CVE-2021-42097 CVE-2020-15011 +4 more Upstream summary: It was discovered that Mailman incorrectly handled CSRF tokens. A remote list member or moderator […]
IBM AIX 7.1 — CVE-2021-29725 — denial of service — patch and remediation guide
🟠 High ⏱ 30–90 min Last verified: 5 September 2021 Affected versions: IBM AIX 7.1 📖 ~4 min read • Source: NVD CVE-2021-29725, IBM Support Bulletin CVE: CVE-2021-29725 NVD summary: IBM Secure External Authentication Server 2.4.3.2, 6.0.1, 6.0.2 and IBM Secure Proxy 3.4.3.2, 6.0.1, 6.0.2 could allow a remote user to consume resources causing […]
How to Configure HashiCorp Vault on Debian 9
Introduction Debian 9 Stretch is built around the ethos of stability and free software. Setting up configure hashicorp vault on debian 9 on Stretch leverages the same proven Debian packaging system that powers millions of servers worldwide, while benefiting from the latest upstream releases included in the Stretch freeze. Follow each step carefully and the […]
![Installieren von R unter Ubuntu 20.04 [Schnellstart] — step-by-step Linux tutorial on Progressive Robot](https://www.progressiverobot.com/wp-content/uploads/2026/05/how-to-install-r-on-ubuntu-20-04-quickstart-de-82370-featured.png "Installieren von R unter Ubuntu 20.04 [Schnellstart] 6")
Installieren von R unter Ubuntu 20.04 [Schnellstart]
Die Open-Source-Programmiersprache R ist auf statistische Datenverarbeitung und Grafik spezialisiert. In diesem Tutorial installieren wir R auf einem Ubuntu 20.04-Server. Eine ausführlichere Version dieses Tutorials mit genaueren Erklärungen zu den einzelnen Schritten finden…
Oracle Linux 8 — samba security, bug fix, and — enhancement update — new behaviour and fixes (ELSA-2023-2987)
🟢 Low ⏱ 5–15 min Last verified: 4 September 2021 Affected versions: Oracle Linux 8 📖 ~4 min read • Source: ELSA advisory ELSA-2023-2987 Related CVEs: CVE-2022-1615 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]
FreeBSD 13 — py39-beaker — vulnerability — patch and remediation guide
🟢 Low ⏱ 5–15 min Last verified: 4 September 2021 Affected versions: FreeBSD 13 📖 ~4 min read • Source: FreeBSD VuXML VuXML topic: py-beaker — arbitrary code execution vulnerability Related CVEs: CVE-2013-7489 Upstream summary: matheusbrat reports: The Beaker library through 1.12.1 for Python is affected by deserialization of untrusted data, which could lead […]
Debian 11 — nusoap — multiple vulnerabilities (2 CVEs) — patch and remediation guide
🟢 Low ⏱ 5–15 min Last verified: 4 September 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read • Source: Debian Security Tracker Related CVEs: CVE-2010-3070 CVE-2012-6071 Upstream summary: Cross-site scripting (XSS) vulnerability in NuSOAP 0.9.5, as used in MantisBT and other products, allows remote attackers to inject arbitrary web script or HTML […]
unattended-upgrades Fails with Broken Dependencies on Ubuntu 14.04
🟡 Medium ⏱ 5–30 min Last verified: 4 September 2021 📖 ~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 Errors & Cross-Refs References & Further […]
