Performance

Common Problems 117542

Ubuntu 20.04 LTS rsyslog Queue Backlog Delays Alerts

🟡 Medium   ⏱ 5–30 min  Last verified: 23 October 2020 Affected versions: 20.04 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 112613

Windows Server 2019 — TLS cipher suite hardening breaks legacy API integrations on internal services — Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 23 October 2020 Affected versions: Windows Server 2019 📖 ~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 Errors […]

Read more
Common Problems 112450

Windows Server 2019 Storage Deduplication Jobs Saturating CPU and Starving Workloads – Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 23 October 2020 Affected versions: Windows Server 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 […]

Read more
Common Problems 118952

Ubuntu 14.04 LTS DNS lookups time out intermittently

🟠 High   ⏱ 5–30 min  Last verified: 22 October 2020 Affected versions: 14.04 📖 ~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 […]

Read more
Common Problems 118946

Ubuntu 14.04 LTS – DNS resolution intermittently fails on servers – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 22 October 2020 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
How to Install SQL Server 2014 on Windows Server 2012 R2 — step-by-step Windows Server 2012 R2 tutorial on Progressive Robot

How to Install SQL Server 2014 on Windows Server 2012 R2

How to Install SQL Server 2014 on Windows Server 2012 R2 SQL Server 2014 is a natural pairing with Windows Server 2012 R2, offering AlwaysOn Availability Groups, in-memory OLTP (Hekaton), buffer pool extensions, and enhanced cloud integration with Microsoft Azure. Installing SQL Server 2014 correctly on Windows Server 2012 R2 requires attention to prerequisites, service […]

Read more
How to Manage System Packages with yum on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Manage System Packages with yum on RHEL 7

How to Manage System Packages with yum on RHEL 7 Package management is one of the most fundamental skills for a RHEL 7 system administrator. The Yellowdog Updater Modified (yum) is the default package manager on RHEL 7, and it handles everything from installing and removing software to managing repositories, grouping related packages, and maintaining […]

Read more
Common Problems 125033

Oracle Linux 8 – Common Problem 007 – Diagnosis and Fix

🟠 High   ⏱ 5–30 min  Last verified: 17 October 2020 Affected versions: Oracle Linux 8 📖 ~3 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 115623

tuned Profile Misconfiguration Causes Performance Drop

🟡 Medium   ⏱ 5–30 min  Last verified: 16 October 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 […]

Read more
CHAT