How To Build a UI Component with React and Storybook
In this tutorial, we will create a React UI component library with Storybook, customize its theme, and deploy the React project as a static site.
FreeBSD 12 — mksh — vulnerability — patch and remediation guide
🟢 Low ⏱ 5–15 min Last verified: 1 December 2019 Affected versions: FreeBSD 12 📖 ~4 min read • Source: FreeBSD VuXML VuXML topic: mksh — TTY attachment privilege escalation Related CVEs: CVE-2008-1845 Upstream summary: Secunia reports: The vulnerability is caused due to an error when attaching to a TTY via the -T command […]
How to Configure Redis Cluster and Sentinel on RHEL 7
How to Configure Redis Cluster and Sentinel on RHEL 7 Redis is an in-memory data structure store used as a database, cache, and message broker. For production environments requiring high availability and horizontal scalability, Redis offers two complementary mechanisms: Redis Cluster for automatic data sharding across multiple nodes, and Redis Sentinel for automatic failover of […]
A Reference for Angular Templates
A breakdown and quick reference of Angular’s syntax for templates.
APT Update Fails With 404 Repository Errors on Debian 9
🟠 High ⏱ 5–30 min Last verified: 30 November 2019 Affected versions: Debian 9 📖 ~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 & […]
Network Interface Not Managed by NetworkManager
🟡 Medium ⏱ 5–30 min Last verified: 30 November 2019 📖 ~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 […]
How to Set Up IPsec VPN with Libreswan on SLES 15
Introduction This tutorial covers How to Set Up IPsec VPN with Libreswan 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. Prerequisites Ensure your SLES 15 system is up to […]
openSUSE Tumbleweed — libtomcrypt1 — vulnerability — patch and remediation guide
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read • Source: SUSE security advisory (see also SUSE bugzilla) Related CVEs: CVE-2018-12437 Upstream summary: LibTomCrypt through 1.18.1 allows a memory-cache side-channel attack on ECDSA signatures, aka the Return Of the Hidden Number Problem or ROHNP. To […]
FreeBSD 12 — zh-chitex — security advisory — patch and remediation guide
🟢 Low ⏱ 5–15 min Last verified: 30 November 2019 Affected versions: FreeBSD 12 📖 ~4 min read • Source: FreeBSD VuXML VuXML topic: ChiTeX/ChiLaTeX unsafe set-user-id root Upstream summary: Niels Heinen reports that ChiTeX installs set-user-id root executables that invoked system(3) without setting up the environment, trivially allowing local root compromise. Table of […]
How to Set Up a Python Django Application on Debian 9
Introduction How to Set Up a Python Django Application on Debian 9 is a fundamental operation for any administrator maintaining a Debian 9 Stretch server. Debian 9 Stretch 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 […]
