Erstellen eines Slackbot in Python unter Ubuntu 20.04
Der Autor wählte den Tech Education Fund, um im Rahmen des Programms Write for DOnations eine Spende zu erhalten. Slack ist eine Kommunikationsplattform, die für die…
AlmaLinux 8 — samba — multiple vulnerabilities (20 CVEs) — patch and remediation guide
🔴 Critical ⏱ 15–90 min Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read • Source: AlmaLinux ALSA ALSA-2022:0332 Related CVEs: CVE-2021-44142 CVE-2022-38023 CVE-2016-2124 CVE-2020-25717 CVE-2021-23192 CVE-2023-3961 CVE-2023-4091 CVE-2023-42669 +12 more Upstream summary: Samba is an open-source implementation of the Server Message Block (SMB) protocol and the related Common Internet […]
Oracle Linux 9 – Common Problem 013 – Diagnosis and Fix
🟠 High ⏱ 5–30 min Last verified: 19 November 2023 Affected versions: Oracle Linux 9 📖 ~2 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 […]
Debian 12 – unattended-upgrades Leaves Pending Reboot Drift – Controlled Patch Flow
🟡 Medium ⏱ 5–30 min Last verified: 19 November 2023 Affected versions: Debian 12 📖 ~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 & […]
How to Set Up Terraform on CentOS Stream 9
Introduction CentOS Stream 9 ships with a stable, security-hardened base that makes deploying set up terraform on centos stream 9 both straightforward and auditable. This tutorial covers the complete procedure for how to Set Up Terraform on CentOS Stream 9, including dnf module streams where applicable, systemd unit management, and the firewalld rules required for […]
Ubuntu 22.04 LTS – NGINX fails config test due to duplicate server_name – Fix & Prevention
🟡 Medium ⏱ 5–30 min Last verified: 19 November 2023 Affected versions: Ubuntu 22.04 LTS 📖 ~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 […]
How to Configure OpenVPN Server on Debian 12
Introduction How to Configure OpenVPN Server on Debian 12 is a fundamental operation for any administrator maintaining a Debian 12 Bookworm server. Debian 12 Bookworm 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 12. This […]
openSUSE Tumbleweed — libzypp-plugin-appdata — vulnerability — patch and remediation guide
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read • Source: SUSE advisory SUSE-SU-2023:0095-1 (see also SUSE bugzilla) Related CVEs: CVE-2023-22643 Upstream summary: An Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') vulnerability in libzypp-plugin-appdata of SUSE Linux Enterprise Server […]
Debian 12 — openstack-trove — multiple vulnerabilities (2 CVEs) — patch and remediation guide
🟢 Low ⏱ 5–15 min Last verified: 19 November 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read • Source: Debian Security Tracker Related CVEs: CVE-2014-7230 CVE-2015-3156 Upstream summary: The processutils.execute function in OpenStack oslo-incubator, Cinder, Nova, and Trove before 2013.2.4 and 2014.1 before 2014.1.3 allows local users to obtain passwords from commands […]
Debian 12 — rmysql — vulnerability — patch and remediation guide
🟢 Low ⏱ 5–15 min Last verified: 19 November 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read • Source: Debian Security Tracker Related CVEs: CVE-2020-10380 Upstream summary: RMySQL through 0.10.19 allows SQL Injection. Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary […]