How To Create Your First Salt Formula
In this tutorial, you will create your first Salt Formula which will configure your server with Vim, the Apache web server, PHP, and git.
Building a REST API With Django REST Framework
Let’s get our hands dirty and build some APIs! With a browsable API, robust authentication policies, and object serialization, the Django REST framework is a powerful toolkit that offers an amazing experience for rapidly creating RESTful APIs on top of the popular Python framework Django.
Ubuntu 18.04 LTS – MySQL service fails to start after crash with InnoDB log mismatch – Fix & Prevention
🔴 Critical ⏱ 5–30 min Last verified: 7 October 2019 Affected versions: Ubuntu 18.04 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 Docker Log Rotation on SLES 12
Introduction This tutorial covers How to Configure Docker Log Rotation on SLES 12 on SLES 12. SLES 12 (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. Prerequisites Ensure your SLES 12 system is up to date: zypper […]
Windows Server 2012 R2 – RunAs fails with logon type 2 not granted – Fix & Prevention
🟡 Medium ⏱ 5–30 min Last verified: 7 October 2019 Affected versions: Windows Server 2012 R2 📖 ~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 […]
FreeBSD 12 — vips — security advisory — patch and remediation guide
🟢 Low ⏱ 5–15 min Last verified: 7 October 2019 Affected versions: FreeBSD 12 📖 ~4 min read • Source: FreeBSD VuXML VuXML topic: Fix a buffer overflow in the tiff reader Upstream summary: libvips reports: A buffer overflow was found and fixed in the libvips code Table of contents Symptom & Impact Environment […]
openSUSE Tumbleweed — libXrandr2 — multiple vulnerabilities (2 CVEs) — 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-2013:1103-1 (see also SUSE bugzilla) Related CVEs: CVE-2013-1986 CVE-2016-7947 Upstream summary: Multiple integer overflows in X.org libXrandr 1.4.0 and earlier allow X servers to trigger allocation of insufficient memory and a buffer […]
FreeBSD 12 — librsvg — multiple vulnerabilities (3 CVEs) — patch and remediation guide
🟡 Medium ⏱ 10–30 min Last verified: 7 October 2019 Affected versions: FreeBSD 12 📖 ~4 min read • Source: FreeBSD VuXML VuXML topic: librsvg2 — multiple vulnerabilities Related CVEs: CVE-2015-7557 CVE-2015-7558 CVE-2019-20446 Upstream summary: Librsvg2 developers reports: Backport the following fixes from 2.46.x: Librsvg now has limits on the number of loaded XML […]
How to Upgrade from Debian 8 to Debian 9
Introduction Debian 9 Stretch is built around the ethos of stability and free software. Setting up upgrade from debian 8 to 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 […]
How to Configure Virtual Ethernet on IBM AIX 7.2
Introduction IBM AIX 7.2 is the latest release of IBM’s enterprise-grade UNIX operating system, running on IBM Power Systems hardware. Known for its reliability, security, and performance in mission-critical environments, AIX 7.2 introduces enhanced virtualization, security hardening, and cloud integration features. This guide covers how to configure virtual ethernet on ibm aix 7.2 on IBM […]
