Effective Context Engineering to Build Better AI Agents
‘Learn how context engineering helps you build smarter, more reliable AI agents with better prompts, memory, RAG, workflows, tools, and best practices.’
How to Automatically Deploy Laravel Applications with Deployer on Ubuntu 16.04
By following this tutorial, you will deploy a Laravel application automatically without any downtime. To do this, you will prepare the local development environment from which you’ll deploy code and then configure a production server with Nginx and a MySQL database to serve the application.
Debian 10 – root filesystem fills rapidly from logs and cache growth
🟠 High ⏱ 5–30 min Last verified: 19 August 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 & […]
Ubuntu 20.04 LTS Root Partition Reaches 100 Percent
🟡 Medium ⏱ 5–30 min Last verified: 19 August 2020 📖 ~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 18.04 — fwupd — vulnerability — patch and remediation guide
🟢 Low ⏱ 5–15 min Last verified: 19 August 2020 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read • Source: Ubuntu Security Notice USN-4395-1 Related CVEs: CVE-2020-10759 Upstream summary: Justin Steven discovered that fwupd incorrectly handled certain signature verification. An attacker could possibly use this issue to install an unsigned firmware. Table of […]
RHEL 7 – service Command Fails Because SysV Script Lacks Execute Bit
🟡 Medium ⏱ 5–30 min Last verified: 19 August 2020 📖 ~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 Install and Use Deno on Debian 10
Introduction Deploying install and use deno on debian 10 on a Debian 10 Buster machine is straightforward thanks to Debian’s policy-compliant packaging. Unlike rpm-based distributions, Debian stores configuration helpers in /etc/default/, uses update-rc.d for older init scripts, and provides dpkg-reconfigure for interactive package configuration. This tutorial stays on the systemd path throughout. Prerequisites You will […]
RHEL 8 Boots Older Kernel After Successful Update
🟡 Medium ⏱ 5–30 min Last verified: 19 August 2020 Affected versions: 8.6 8.7 8.8 8.9 8.10 📖 ~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 […]
Ubuntu 18.04 — ardour — vulnerability — patch and remediation guide
🟢 Low ⏱ 5–15 min Last verified: 19 August 2020 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read • Source: Ubuntu Security Notice USN-5110-1 Related CVEs: CVE-2020-22617 Upstream summary: It was discovered that Ardour incorrectly handled certain XML files. An attacker could possibly use this issue to cause a crash or execute arbitrary […]
How to Upgrade Ubuntu 12.04 LTS to Ubuntu 14.04 LTS
Ubuntu has two types of releases: standard, which are released every six months, and Long Term Support (or “LTS”), which are released every two years. In this guide, we will go over how to safely upgrade an Ubuntu 12.04 server to 14.04, taking care to preserve our existing configuration.
