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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 Set Up a RADIUS Server with NPS on Windows Server 2012 R2 — step-by-step Windows Server 2012 R2 tutorial on Progressive Robot

How to Set Up a RADIUS Server with NPS on Windows Server 2012 R2

How to Set Up a RADIUS Server with NPS on Windows Server 2012 R2 RADIUS (Remote Authentication Dial-In User Service) is the industry-standard AAA protocol — Authentication, Authorization, and Accounting — used by virtually all network access equipment including wireless access points, VPN concentrators, 802.1X network switches, and dial-up servers. Windows Server 2012 R2’s Network […]

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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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How to Automate Debian 9 Server Provisioning with Ansible — step-by-step Debian 9 tutorial on Progressive Robot

How to Automate Debian 9 Server Provisioning with Ansible

Introduction Debian 9 Stretch is built around the ethos of stability and free software. Setting up automate debian 9 server provisioning with ansible on Stretch leverages the same proven Debian packaging system that powers millions of servers worldwide, while benefiting from the latest upstream releases included in the Stretch freeze. Follow each step carefully and […]

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Oracle Linux 8 — sssd — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — sssd — vulnerability — patch and remediation guide (ELSA-2021-3151)

🟠 High   ⏱ 15–60 min  Last verified: 20 September 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2021-3151 Related CVEs: CVE-2021-3621 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

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Common Problems 115454

SELinux Denies httpd Outbound Network Connections

🟡 Medium   ⏱ 5–30 min  Last verified: 19 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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