Performance

How to Back Up and Restore MySQL Databases with mysqldump on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Back Up and Restore MySQL Databases with mysqldump on RHEL 8

Regular database backups are one of the most important operational habits for any MySQL deployment, and RHEL 8 provides all the tools you need to implement a solid backup strategy. mysqldump produces portable SQL dumps that are easy to restore and inspect, while mysqlpump adds parallelism for faster exports on larger datasets. This tutorial covers […]

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How to Install InfluxDB and Telegraf on FreeBSD 12 — step-by-step FreeBSD 12 tutorial on Progressive Robot

How to Install InfluxDB and Telegraf on FreeBSD 12

Introduction FreeBSD 12 is a UNIX-derived operating system renowned for its network stack performance, ZFS integration, and Jail isolation primitives. Setting up install influxdb and telegraf on freebsd 12 on FreeBSD 12 follows the rc.conf/service(8) paradigm rather than systemd, which means enabling a service and configuring its startup options are done differently from any Linux […]

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How to Set Up PowerHA Geographic Mirroring on IBM AIX 7.2 — step-by-step IBM AIX 7.2 tutorial on Progressive Robot

How to Set Up PowerHA Geographic Mirroring on IBM AIX 7.2

Introduction IBM AIX 7.2 is the latest release of IBM’s enterprise-grade UNIX operating system, running on IBM Power Systems hardware. Known for its reliability, security, and performance in mission-critical environments, AIX 7.2 introduces enhanced virtualization, security hardening, and cloud integration features. This guide covers how to set up powerha geographic mirroring on ibm aix 7.2 […]

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How to Install PostgreSQL 16 on FreeBSD 13 — step-by-step FreeBSD 13 tutorial on Progressive Robot

How to Install PostgreSQL 16 on FreeBSD 13

Introduction FreeBSD 13 is a UNIX-derived operating system renowned for its network stack performance, ZFS integration, and Jail isolation primitives. Setting up install postgresql 16 on freebsd 13 on FreeBSD 13 follows the rc.conf/service(8) paradigm rather than systemd, which means enabling a service and configuring its startup options are done differently from any Linux distribution. […]

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

How to Use Reliability Monitor on Windows Server 2016 (SERVER-2016-2)

How to Configure Windows Reliability Monitor on Windows Server 2016 Windows Reliability Monitor is a built-in diagnostic tool in Windows Server 2016 that tracks system stability over time and presents a graphical timeline of critical events such as application crashes, Windows failures, hardware errors, and software installations. Unlike Performance Monitor, which focuses on metrics, Reliability […]

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Common Problems 118449

Ubuntu 16.04 LTS ext4 Filesystem Remounted Read-Only

🟠 High   ⏱ 5–30 min  Last verified: 24 August 2021 Affected versions: 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 Set Up Cron Jobs on FreeBSD 13 — step-by-step FreeBSD 13 tutorial on Progressive Robot

How to Set Up Cron Jobs on FreeBSD 13

Introduction FreeBSD 13 is a UNIX-derived operating system renowned for its network stack performance, ZFS integration, and Jail isolation primitives. Setting up set up cron jobs on freebsd 13 on FreeBSD 13 follows the rc.conf/service(8) paradigm rather than systemd, which means enabling a service and configuring its startup options are done differently from any Linux […]

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How to Configure ZFS Pool Management on FreeBSD 13 — step-by-step FreeBSD 13 tutorial on Progressive Robot

How to Configure ZFS Pool Management on FreeBSD 13

Introduction FreeBSD 13 is a UNIX-derived operating system renowned for its network stack performance, ZFS integration, and Jail isolation primitives. Setting up configure zfs pool management on freebsd 13 on FreeBSD 13 follows the rc.conf/service(8) paradigm rather than systemd, which means enabling a service and configuring its startup options are done differently from any Linux […]

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How to Set Up Zabbix Agent on Windows Server 2012 R2 — step-by-step Windows Server 2012 R2 tutorial on Progressive Robot

How to Set Up Zabbix Agent on Windows Server 2012 R2

How to Set Up Zabbix Agent on Windows Server 2012 R2 Zabbix is a mature, enterprise-grade open-source monitoring platform that provides agent-based and agentless monitoring with built-in alerting, trending, dashboards, and auto-discovery. The Zabbix Agent 2 provides active and passive check modes, native Windows performance counter collection, event log monitoring, process monitoring, and support for […]

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How to Set Up PostgreSQL Streaming Replication on FreeBSD 13 — step-by-step FreeBSD 13 tutorial on Progressive Robot

How to Set Up PostgreSQL Streaming Replication on FreeBSD 13

Introduction FreeBSD 13 is a UNIX-derived operating system renowned for its network stack performance, ZFS integration, and Jail isolation primitives. Setting up set up postgresql streaming replication on freebsd 13 on FreeBSD 13 follows the rc.conf/service(8) paradigm rather than systemd, which means enabling a service and configuring its startup options are done differently from any […]

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