Make It Easy for People to Try Your App with One-Click Deploy
Learn how to effortlessly add a One-Click Deploy button to your GitHub repository, enabling instant deployment of your app on the cloud provider.
How to Harden Web Servers: Security Headers, CSP and HSTS on RHEL 8
HTTP security headers instruct browsers how to handle your site’s content and protect visitors from clickjacking, cross-site scripting, MIME sniffing, and other common attacks. Adding these headers to Nginx or Apache on RHEL 8 is a high-value, low-effort hardening step that improves both your security posture and your score on tools like securityheaders.com. This tutorial […]
Como estilizar barras de rolagem com o CSS
Neste tutorial, você irá aprender a como usar o CSS para personalizar barras de rolagem para dar suporte a navegadores modernos.
FreeBSD 12 — php73-exif — multiple vulnerabilities (2 CVEs) — patch and remediation guide
🟢 Low ⏱ 5–15 min Last verified: 20 November 2019 Affected versions: FreeBSD 12 📖 ~4 min read • Source: FreeBSD VuXML VuXML topic: PHP — Multiple vulnerabilities in EXIF module Related CVEs: CVE-2019-11034 CVE-2019-11035 Upstream summary: The PHP project reports: Heap-buffer-overflow in php_ifd_get32s (CVE-2019-11034) Heap-buffer-overflow in exif_iif_add_value (CVE-2019-11035) Table of contents Symptom & […]
CSS Grid Layout: Introduction
A brief introduction to the next generation layout system: CSS Grid.
Alpine Linux edge — samba — multiple vulnerabilities (20 CVEs) — patch and remediation guide
🟠 High ⏱ 15–60 min Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 4.8.7-r0 📖 ~4 min read • Source: Alpine secdb entry — samba 4.8.7-r0 Related CVEs: CVE-2018-16841 CVE-2018-16851 CVE-2018-16853 CVE-2018-1139 CVE-2018-1140 CVE-2018-10858 CVE-2018-10918 CVE-2018-10919 +12 more Upstream summary: Alpine main repository for vedge ships samba 4.8.7-r0 which […]
Oracle Linux 8 — thunderbird — vulnerability — patch and remediation guide (ELSA-2019-2774)
🟠 High ⏱ 15–60 min Last verified: 20 November 2019 Affected versions: Oracle Linux 8 📖 ~4 min read • Source: ELSA advisory ELSA-2019-2774 Related CVEs: CVE-2019-11746 CVE-2019-11739 CVE-2019-11742 CVE-2019-11752 CVE-2019-11740 CVE-2019-11744 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]
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.
Ubuntu 18.04 slow boot caused by systemd services
🟡 Medium ⏱ 5–30 min Last verified: 19 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 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: […]
