Backup Recovery

How to Upgrade FreeBSD 12 to FreeBSD 12 — step-by-step FreeBSD 12 tutorial on Progressive Robot

How to Upgrade FreeBSD 12 to FreeBSD 12

Introduction Deploying upgrade freebsd 12 to 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 base […]

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FreeBSD 13 — py35-borgbackup — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — py35-borgbackup — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 14 June 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: borgbackup — remote users can override repository restrictions Related CVEs: CVE-2017-15914 Upstream summary: BorgBackup reports: Incorrect implementation of access controls allows remote users to override repository restrictions in Borg servers. […]

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

How to Install Redis on FreeBSD 13

Introduction Deploying install redis 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 Set Up CARP High Availability on FreeBSD 13 — step-by-step FreeBSD 13 tutorial on Progressive Robot

How to Set Up CARP High Availability on FreeBSD 13

Introduction This guide explains how to Set Up CARP High Availability 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 […]

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How to Set Up ArgoCD for GitOps on FreeBSD 13 — step-by-step FreeBSD 13 tutorial on Progressive Robot

How to Set Up ArgoCD for GitOps on FreeBSD 13

Introduction Deploying set up argocd for gitops 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 […]

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Common Problems 112911

Windows Server 2016 — Pending Reboot State Persists and Prevents New Updates — Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 12 June 2021 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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Common Problems 112554

Windows Server 2019 — FSMO seizure recovery required after permanent loss of role holder — Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 12 June 2021 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 […]

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How to Set Up FTP Server with vsftpd on FreeBSD 13 — step-by-step FreeBSD 13 tutorial on Progressive Robot

How to Set Up FTP Server with vsftpd 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 ftp server with vsftpd 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 […]

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

How to Install Fluentd on FreeBSD 13

Introduction How to Install Fluentd 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, and […]

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Common Problems 117571

Ubuntu 20.04 LTS – Docker daemon fails after kernel update with cgroup issues – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 10 June 2021 Affected versions: Ubuntu 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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