How To Use HTTP Requests in Flutter
Learn how to set up your Flutter apps to make HTTP requests using the flutter_http plugin.
How to Set Up Network Monitoring on Windows Server 2016
How to Set Up Windows Server 2016 Network Monitoring Network monitoring is a critical component of maintaining a healthy and secure Windows Server 2016 environment. Without visibility into network traffic, bandwidth utilization, device availability, and performance metrics, administrators are essentially flying blind. Problems may go undetected until they cause outages, and capacity planning becomes guesswork. […]
How To Use CSS Grid Properties to Justify and Align Content and Items
Master CSS Grid alignment with our complete guide. Learn to justify and align content, items, and containers with practical examples. Build better layouts today!
Ubuntu 16.04 LTS TLS handshake failures due to outdated CA trust
🟡 Medium ⏱ 5–30 min Last verified: 9 December 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 […]
Ubuntu 16.04 disk space fills up unexpectedly
🟡 Medium ⏱ 5–30 min Last verified: 9 December 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 […]
Windows Server 2012 R2 — Password change rejected with policy mismatch even though it meets stated requirements — Fix & Prevention
🟠 High ⏱ 5–30 min Last verified: 9 December 2019 Affected versions: Windows Server 2012 R2 📖 ~2 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 […]
How to Configure iptables Packet Filtering on Debian 9
Introduction This guide explains how to Configure iptables Packet Filtering on Debian 9 on Debian 9 Stretch. Debian Stretch uses systemd for service management, nftables as the underlying packet filter (with ufw or iptables front-ends still available), and AppArmor for mandatory access control. Every command is designed for a minimal Debian 9 install with the […]
FreeBSD 12 — pure-ftpd — multiple vulnerabilities (2 CVEs) — patch and remediation guide
🟢 Low ⏱ 5–15 min Last verified: 9 December 2019 Affected versions: FreeBSD 12 📖 ~4 min read • Source: FreeBSD VuXML VuXML topic: pureftpd — multiple vulnerabilities Related CVEs: CVE-2011-0418 CVE-2011-1575 Upstream summary: Pure-FTPd development team reports: Support for braces expansion in directory listings has been disabled — Cf. CVE-2011-0418. Fix a STARTTLS […]
Using a CDN to Speed Up Static Content Delivery
A content delivery network can be a quick and effective solution for improving the scalability and availability of your web sites. By caching static assets on a geographically distributed network of optimized servers, you can greatly reduce page load times and latencies for end users. In addition, CDNs allow you to significantly reduce your bandwidth usage by absorbing user requests and responding from cache at the edge, thus lowering your bandwidth and infrastructure costs.
FreeBSD 12 — miniupnpc — multiple vulnerabilities (2 CVEs) — patch and remediation guide
🟢 Low ⏱ 5–15 min Last verified: 9 December 2019 Affected versions: FreeBSD 12 📖 ~4 min read • Source: FreeBSD VuXML VuXML topic: miniupnpc — integer signedness error Related CVEs: CVE-2015-6031 CVE-2017-8798 Upstream summary: Tintinweb reports: An integer signedness error was found in miniupnp's miniwget allowing an unauthenticated remote entity typically located on […]