How To Create a calibre Ebook Server on Ubuntu 14.04
Calibre is a free and open source ebook manager.
openSUSE Tumbleweed — guestfsd — multiple vulnerabilities (2 CVEs) — patch and remediation guide
🟠 High ⏱ 15–60 min Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read • Source: SUSE advisory SUSE-SU-2013:1626-1 (see also SUSE bugzilla) Related CVEs: CVE-2013-4419 CVE-2013-2124 Upstream summary: The guestfish command in libguestfs 1.20.12, 1.22.7, and earlier, when using the –remote or –listen option, does not properly check the […]
How to Restrict Kernel Module Loading on Debian 10
Introduction Debian 10 Buster is built around the ethos of stability and free software. Setting up restrict kernel module loading on debian 10 on Buster leverages the same proven Debian packaging system that powers millions of servers worldwide, while benefiting from the latest upstream releases included in the Buster freeze. Follow each step carefully and […]
Containerizing a Ruby on Rails Application for Development with Docker Compose
If you are actively developing an application, using Docker can simplify your workflow and the process of deploying your application to production. This tutorial will show you how to set up a development environment for a Ruby on Rails application using Docker. You will create multiple containers – for the application itself, the PostgreSQL database, Redis, and a Sidekiq service – with Docker Compose.
IBM AIX 7.2 — CVE-2020-4494 — vulnerability — patch and remediation guide
🟠 High ⏱ 30–90 min Last verified: 10 April 2020 Affected versions: IBM AIX 7.2 📖 ~4 min read • Source: NVD CVE-2020-4494, IBM Support Bulletin CVE: CVE-2020-4494 NVD summary: IBM Spectrum Protect Client 8.1.7.0 through 8.1.9.1 (Linux and Windows), 8.1.9.0 trough 8.1.9.1 (AIX) and IBM Spectrum Protect for Space Management 8.1.7.0 through 8.1.9.1 […]
FreeBSD 12 — py27-django-devel — multiple vulnerabilities (20 CVEs) — patch and remediation guide
🟠 High ⏱ 15–60 min Last verified: 10 April 2020 Affected versions: FreeBSD 12 📖 ~4 min read • Source: FreeBSD VuXML VuXML topic: django — multiple vulnerabilities Related CVEs: CVE-2012-3442 CVE-2012-3443 CVE-2012-3444 CVE-2013-1443 CVE-2013-4315 CVE-2014-0472 CVE-2014-0473 CVE-2014-0474 +12 more Upstream summary: Tim Graham reports: Malicious redirect and possible XSS attack via user-supplied redirect […]
Debian 10: Nginx cannot bind to port 80
🟠 High ⏱ 5–30 min Last verified: 9 April 2020 Affected versions: Debian 10 📖 ~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 & […]
openSUSE Tumbleweed — dracut — multiple vulnerabilities (2 CVEs) — patch and remediation guide
🟢 Low ⏱ 5–15 min Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read • Source: SUSE security advisory (see also SUSE bugzilla) Related CVEs: CVE-2012-4453 CVE-2016-8637 Upstream summary: dracut.sh in dracut, as used in Red Hat Enterprise Linux 6, Fedora 16 and 17, and possibly other products, creates initramfs […]
How to Use AIX Volume Shadow Copy 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 use aix volume shadow copy on ibm aix 7.2 […]
How to Configure Docker with TLS Authentication on Debian 9
Introduction Debian 9 Stretch is built around the ethos of stability and free software. Setting up configure docker with tls authentication 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 […]
