Storage Disk

Common Problems 120628

Debian 11 – root filesystem fills rapidly from logs and cache growth

🟠 High   ⏱ 5–30 min  Last verified: 14 April 2022 Affected versions: Debian 11 📖 ~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 & […]

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How to Set Up Nginx as a Reverse Proxy on Debian 11 — step-by-step Debian 11 tutorial on Progressive Robot

How to Set Up Nginx as a Reverse Proxy on Debian 11

Introduction Debian 11 Bullseye is built around the ethos of stability and free software. Setting up set up nginx as a reverse proxy on debian 11 on Bullseye leverages the same proven Debian packaging system that powers millions of servers worldwide, while benefiting from the latest upstream releases included in the Bullseye freeze. Follow each […]

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Common Problems 112950

Windows Server 2016 — Recovery partition missing prevents automatic startup recovery — Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 14 April 2022 Affected versions: Windows Server 2016 📖 ~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 […]

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How to Set Up File Integrity Monitoring with AIDE on Debian 11 — step-by-step Debian 11 tutorial on Progressive Robot

How to Set Up File Integrity Monitoring with AIDE on Debian 11

Introduction Debian 11 Bullseye is built around the ethos of stability and free software. Setting up set up file integrity monitoring with aide on debian 11 on Bullseye leverages the same proven Debian packaging system that powers millions of servers worldwide, while benefiting from the latest upstream releases included in the Bullseye freeze. Follow each […]

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Common Problems 118483

Ubuntu 16.04 LTS – swap misconfiguration causes heavy swapping and latency – Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 12 April 2022 Affected versions: Ubuntu 16.04 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 […]

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How to Install Prometheus and Grafana on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Install Prometheus and Grafana on RHEL 7

How to Install Prometheus and Grafana on RHEL 7 Prometheus and Grafana form one of the most popular open-source monitoring stacks available today. Prometheus is a time-series database and scraping engine that collects metrics from instrumented targets, while Grafana provides a rich visualization layer on top of that data. Together they give you real-time dashboards, […]

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How to Configure Apache Virtual Hosts on FreeBSD 12 — step-by-step FreeBSD 12 tutorial on Progressive Robot

How to Configure Apache Virtual Hosts on FreeBSD 12

Introduction Deploying configure apache virtual hosts on freebsd 12 on a FreeBSD 12 machine differs from Linux in several important ways: packages come from the FreeBSD Ports Collection or the binary pkg repository, services are registered in /etc/rc.conf via sysrc(8), and firewall rules are written in pf.conf(5) syntax. This tutorial stays entirely within the standard […]

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How to Install Terraform on Debian 11 — step-by-step Debian 11 tutorial on Progressive Robot

How to Install Terraform on Debian 11

Introduction How to Install Terraform on Debian 11 is a fundamental operation for any administrator maintaining a Debian 11 Bullseye server. Debian 11 Bullseye 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 11. This tutorial […]

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How to Install and Configure Traefik Reverse Proxy on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Install and Configure Traefik Reverse Proxy on RHEL 8

Traefik is a modern cloud-native reverse proxy and load balancer that can automatically discover services, obtain and renew TLS certificates via Let’s Encrypt, and expose a real-time dashboard — all without restarting when configuration changes. Unlike Nginx or HAProxy, Traefik reads its routing rules from provider backends such as Docker labels, Kubernetes annotations, or plain […]

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How to Use Performance Monitor on Windows Server 2016 — step-by-step Windows Server 2016 tutorial on Progressive Robot

How to Use Performance Monitor on Windows Server 2016

How to Set Up Windows Server 2016 Performance Monitor Performance Monitor is the primary built-in tool in Windows Server 2016 for collecting, analyzing, and visualizing system performance data. It enables administrators to track CPU usage, memory consumption, disk I/O, network throughput, and hundreds of other counters in real time or over collected time periods. Using […]

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