Managing Subscriptions in Angular With the Async Pipe
Easily subscribe, unwrap data and unsubscribe from observables in Angular 2+ with the use of the async pipe in your templates.
How to Configure PAM (Pluggable Authentication Modules) on RHEL 9
PAM (Pluggable Authentication Modules) is the framework that sits between Linux applications and the underlying authentication mechanisms. Almost every program that authenticates users on RHEL 9 — SSH, su, sudo, login, and graphical sessions — goes through PAM. By configuring PAM you can enforce password complexity requirements, lock accounts after failed login attempts, set resource […]
openSUSE Tumbleweed — syslog-ng — 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 security advisory Related CVEs: CVE-2011-0343 CVE-2011-1951 Upstream summary: Balabit syslog-ng 2.0, 3.0, 3.1, 3.2 OSE and PE, when running on FreeBSD or HP-UX, does not properly perform cast operations, which causes syslog-ng to […]
Ubuntu 18.04 slow boot caused by systemd services
🟡 Medium ⏱ 5–30 min Last verified: 20 May 2026 📖 ~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 […]
Arch Linux — git-annex — multiple vulnerabilities (2 CVEs) — patch and remediation guide
🟠 High ⏱ 15–60 min Last verified: 25 May 2026 Affected versions: Arch Linux (rolling release) 📖 ~4 min read • Source: Arch ASA ASA-201807-2 Related CVEs: CVE-2018-10859 CVE-2018-10857 Upstream summary: Type: multiple issues. Status: Fixed. Affected: 6.20180529-18. Fixed in: 6.20180626-1. Group: AVG-725. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]
Cockpit Web Console Unreachable on Port 9090 on RHEL 9
🟡 Medium ⏱ 5–30 min Last verified: 20 May 2026 📖 ~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 Configure Traffic Shaping with tc on SLES 12
Introduction This tutorial covers How to Configure Traffic Shaping with tc 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: […]
What is MVC?
MVC, or Model-View-Controller, is a software design pattern that separates application logic into three interrelated components- the model, view, and controller.
Arch Linux — libcurl-gnutls — multiple vulnerabilities (20 CVEs) — patch and remediation guide
🔴 Critical ⏱ 15–90 min Last verified: 25 May 2026 Affected versions: Arch Linux (rolling release) 📖 ~4 min read • Source: Arch ASA ASA-201805-18 Related CVEs: CVE-2018-1000301 CVE-2018-1000300 CVE-2019-5436 CVE-2019-3823 CVE-2019-3822 CVE-2018-16890 CVE-2018-16840 CVE-2018-0500 +12 more Upstream summary: Type: multiple issues. Status: Fixed. Affected: 7.59.0-1. Fixed in: 7.60.0-1. Group: AVG-699. Table of contents […]
Using SVG Icons in Vue.js
Learn how to use SVG Icons the simple way in your Vue.js app.
