DNS

Common Problems 113448

Windows Server 2012 R2 — WinSxS Growth Exhausts C: and Breaks Patch Installation — Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 10 October 2019 Affected versions: Windows Server 2012 R2 📖 ~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 […]

Read more
Common Problems 115600

Backup Script Fails Because Temporary Path Is noexec

🟡 Medium   ⏱ 5–30 min  Last verified: 9 October 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 […]

Read more
How to Set Up Windows Server 2019 RAS Gateway — step-by-step Windows Server 2019 tutorial on Progressive Robot

How to Set Up Windows Server 2019 RAS Gateway

How to Set Up Windows Server 2019 RAS Gateway The Remote Access Service (RAS) Gateway in Windows Server 2019 is a software-based router and gateway designed for cloud service providers and enterprises that host multi-tenant virtual networks using Hyper-V Network Virtualization. It provides site-to-site VPN, point-to-site VPN, and GRE tunneling capabilities, enabling connectivity between virtual […]

Read more
Common Problems 121493

Debian 9: systemd unit enters start-limit-hit

🟠 High   ⏱ 5–30 min  Last verified: 8 October 2019 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 & […]

Read more
Common Problems 119066

Ubuntu 14.04 LTS – Apache returns 502 due to PHP-FPM backend issues – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 8 October 2019 Affected versions: Ubuntu 14.04 LTS 📖 ~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 […]

Read more
Common Problems 118457

Ubuntu 16.04 LTS apt reports Hash Sum mismatch

🟡 Medium   ⏱ 5–30 min  Last verified: 8 October 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 […]

Read more
Common Problems 117890

Ubuntu 18.04 LTS apt update fails with NO_PUBKEY errors

🟡 Medium   ⏱ 5–30 min  Last verified: 8 October 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 […]

Read more
How to Configure SaltStack on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Configure SaltStack on Debian 9

Introduction This guide explains how to Configure SaltStack 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 standard repositories […]

Read more
Common Problems 118096

Ubuntu 18.04 LTS – MySQL service fails to start after crash with InnoDB log mismatch – Fix & Prevention

🔴 Critical   ⏱ 5–30 min  Last verified: 7 October 2019 Affected versions: Ubuntu 18.04 LTS 📖 ~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 […]

Read more
Common Problems 113539

Windows Server 2012 R2 – RunAs fails with logon type 2 not granted – Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 7 October 2019 Affected versions: Windows Server 2012 R2 📖 ~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 […]

Read more
CHAT