Boot Startup

Common Problems 117532

Ubuntu 20.04 LTS Cloud-Init Rewrites Network on Reboot

🟡 Medium   ⏱ 5–30 min  Last verified: 25 September 2021 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 & […]

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Common Problems 117419

Ubuntu 20.04 Bluetooth device not detected

🟡 Medium   ⏱ 5–30 min  Last verified: 24 September 2021 📖 ~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 […]

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How to Configure PMR Data Collection on IBM AIX 7.1 — step-by-step IBM AIX 7.1 tutorial on Progressive Robot

How to Configure PMR Data Collection on IBM AIX 7.1

Introduction IBM AIX 7.1 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 7.1 introduces enhanced virtualization, security hardening, and cloud integration features. This guide covers how to configure pmr data collection on ibm aix 7.1 on […]

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How to Configure syslog-ng on FreeBSD 13 — step-by-step FreeBSD 13 tutorial on Progressive Robot

How to Configure syslog-ng on FreeBSD 13

Introduction Deploying configure syslog-ng on freebsd 13 on a FreeBSD 13 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 base + […]

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How to Configure Bacula Backup on FreeBSD 13 — step-by-step FreeBSD 13 tutorial on Progressive Robot

How to Configure Bacula Backup on FreeBSD 13

Introduction How to Configure Bacula Backup on FreeBSD 13 is a core administration task for any FreeBSD 13 server operator. FreeBSD 13 ships with the 15.0-RELEASE kernel, ZFS as the default root filesystem, Capsicum capability sandboxing improvements, and an updated ports tree. Unlike Linux distributions, FreeBSD uses rc(8) for service management, pf for packet filtering, […]

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Common Problems 117544

Ubuntu 20.04 LTS Docker Permission Denied on /var/run/docker.sock

🟡 Medium   ⏱ 5–30 min  Last verified: 22 September 2021 📖 ~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 […]

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How to Use PowerShell Remoting for Automated Server Management on Windows Server 2012 R2 — Windows Server 2012 R2 tutorial on Progressive Robot

How to Use PowerShell Remoting for Automated Server Management on Windows Server 2012 R2

How to Use PowerShell Remoting for Automated Server Management on Windows Server 2012 R2 PowerShell Remoting enables you to execute commands and scripts on remote Windows servers over WinRM, the Windows implementation of the WS-Management protocol. This capability transforms PowerShell from a local automation tool into a distributed management platform, allowing a single administrator or […]

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

How to Install Netdata on FreeBSD 13

Introduction This guide explains how to Install Netdata on FreeBSD 13 on FreeBSD 13. FreeBSD uses the pkg(8) binary package manager, rc.conf(5) for service startup configuration, and pf(4) as its primary packet filter. There is no SELinux or AppArmor — instead, FreeBSD provides the MAC (Mandatory Access Control) framework and Capsicum for fine-grained privilege separation. […]

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How to Configure Network Interface Aggregation on FreeBSD 13 — step-by-step FreeBSD 13 tutorial on Progressive Robot

How to Configure Network Interface Aggregation on FreeBSD 13

Introduction How to Configure Network Interface Aggregation on FreeBSD 13 is a core administration task for any FreeBSD 13 server operator. FreeBSD 13 ships with the 15.0-RELEASE kernel, ZFS as the default root filesystem, Capsicum capability sandboxing improvements, and an updated ports tree. Unlike Linux distributions, FreeBSD uses rc(8) for service management, pf for packet […]

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How to Configure ZFS Snapshots and Rollback on FreeBSD 13 — step-by-step FreeBSD 13 tutorial on Progressive Robot

How to Configure ZFS Snapshots and Rollback on FreeBSD 13

Introduction How to Configure ZFS Snapshots and Rollback on FreeBSD 13 is a core administration task for any FreeBSD 13 server operator. FreeBSD 13 ships with the 15.0-RELEASE kernel, ZFS as the default root filesystem, Capsicum capability sandboxing improvements, and an updated ports tree. Unlike Linux distributions, FreeBSD uses rc(8) for service management, pf for […]

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