Cpu Memory

Common Problems 118627

Ubuntu 16.04 rsyslog High CPU Usage from Repeated Parse Errors

🟡 Medium   ⏱ 5–30 min  Last verified: 15 September 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
Common Problems 112440

Windows Server 2019 Page File Misconfiguration Causing Commit Limit Pressure – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 14 September 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
How to Install and Configure RabbitMQ on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Install and Configure RabbitMQ on RHEL 7

How to Install and Configure RabbitMQ on RHEL 7 RabbitMQ is one of the most widely deployed open-source message brokers in the world. It implements the Advanced Message Queuing Protocol (AMQP) and provides reliable message delivery, flexible routing, and support for multiple messaging patterns including work queues, publish/subscribe, and request/reply. Applications use RabbitMQ to decouple […]

Read more
How to Use Performance Monitor on Windows Server 2012 R2 — step-by-step Windows Server 2012 R2 tutorial on Progressive Robot

How to Use Performance Monitor on Windows Server 2012 R2

How to Use Performance Monitor on Windows Server 2012 R2 Performance Monitor (perfmon.exe) is the primary built-in tool on Windows Server 2012 R2 for collecting, graphing, and analyzing system performance data. It provides real-time monitoring of hundreds of performance counters spanning CPU utilization, memory consumption, disk I/O, network throughput, and application-specific metrics. More importantly, Performance […]

Read more
How to Use SQL Server Profiler on Windows Server 2016 — step-by-step Windows Server 2016 tutorial on Progressive Robot

How to Use SQL Server Profiler on Windows Server 2016

How to Monitor SQL Server with SQL Server Profiler on Windows Server 2016 SQL Server Profiler is a graphical interface included with SQL Server Management Studio that allows database administrators to capture and analyze a real-time trace of events occurring inside a SQL Server instance. By recording events such as query executions, stored procedure calls, […]

Read more
How to Install Apache2 on Debian 10 — step-by-step Debian 10 tutorial on Progressive Robot

How to Install Apache2 on Debian 10

Introduction How to Install Apache2 on Debian 10 is a fundamental operation for any administrator maintaining a Debian 10 Buster server. Debian 10 Buster ships with the Linux 6.12 kernel, updated toolchains, and a fully refreshed package archive — meaning version numbers, configuration file paths, and some dependency chains differ from Debian 10. This tutorial […]

Read more
How to Configure Bridge Networking on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Configure Bridge Networking on RHEL 7

How to Configure Bridge Networking on RHEL 7 A network bridge is a Layer 2 virtual switch that connects multiple network interfaces, allowing them to share a single network segment. On RHEL 7, bridge networking is essential for virtualization with KVM — virtual machine interfaces are typically attached to a bridge so VMs appear as […]

Read more
Common Problems 118517

Ubuntu 16.04 LTS MySQL service fails with InnoDB errors

🟡 Medium   ⏱ 5–30 min  Last verified: 10 September 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
How to Monitor Disk Usage with df, du, lsblk and ncdu on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Monitor Disk Usage with df, du, lsblk and ncdu on RHEL 7

How to Monitor Disk Usage with df, du, lsblk and ncdu on RHEL 7 Running out of disk space is one of the most disruptive events in a production Linux environment — it can crash databases, halt web servers, and fill system logs with errors. Proactive disk usage monitoring is therefore a non-negotiable part of […]

Read more
Common Problems 118088

Ubuntu 18.04 Swap Thrashing Causes Severe Latency

🟡 Medium   ⏱ 5–30 min  Last verified: 6 September 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