DNS validation allows for certificate issuance requests to be verified using DNS records, rather than by serving content over HTTP. In this tutorial, you will use the certbot-dns-the cloud provider hook for Certbot to issue a Let’s Encrypt certificate using DNS validation via the cloud provider API.
🔴 Critical ⏱ 5–30 min Last verified: 2 July 2020 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 & […]
🟡 Medium ⏱ 5–30 min Last verified: 2 July 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 Create a Virtual Machine in Hyper-V on Windows Server 2012 R2 Creating virtual machines is the primary day-to-day task of a Hyper-V administrator. Windows Server 2012 R2 Hyper-V introduces Generation 2 VMs — which use UEFI firmware, support Secure Boot, and eliminate legacy hardware emulation — alongside the traditional Generation 1 VMs which […]
Introduction This guide explains how to Install Netdata Monitoring on Debian 10 on Debian 10 Buster. Debian Buster 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 10 install with the standard […]
🟡 Medium ⏱ 5–30 min Last verified: 1 July 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 & […]
🟡 Medium ⏱ 5–30 min Last verified: 1 July 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 […]
Introduction Debian 10 Buster is built around the ethos of stability and free software. Setting up install puppet agent on debian 10 on Buster leverages the same proven Debian packaging system that powers millions of servers worldwide, while benefiting from the latest upstream releases included in the Buster freeze. Follow each step carefully and the […]
🔴 Critical ⏱ 5–30 min Last verified: 30 June 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 & […]
How to Configure System Center Operations Manager Agent on Windows Server 2012 R2 System Center Operations Manager (SCOM) is Microsoft’s enterprise monitoring solution that provides comprehensive, agent-based monitoring of Windows servers, applications, network infrastructure, and services. The SCOM agent installed on each managed server collects performance data, event log entries, and application health information, forwarding […]
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