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How to Set Up iSCSI Storage on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Set Up iSCSI Storage on RHEL 8

iSCSI (Internet Small Computer Systems Interface) allows you to share block storage devices over a standard TCP/IP network, making it a cost-effective alternative to dedicated Fibre Channel SANs. On RHEL 8, the targetcli package provides a powerful interactive shell for configuring iSCSI targets, while iscsi-initiator-utils handles the client side. This tutorial walks through setting up […]

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How to Set Up a FreeBSD Jail for Web Hosting on FreeBSD 12 — step-by-step FreeBSD 12 tutorial on Progressive Robot

How to Set Up a FreeBSD Jail for Web Hosting on FreeBSD 12 (ON-FREEBSD-12)

Introduction How to Set Up a FreeBSD Jail for Web Hosting on FreeBSD 12 is a core administration task for any FreeBSD 12 server operator. FreeBSD 12 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 […]

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How to Set Up Alertmanager with Slack on FreeBSD 13 — step-by-step FreeBSD 13 tutorial on Progressive Robot

How to Set Up Alertmanager with Slack on FreeBSD 13

Introduction How to Set Up Alertmanager with Slack 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 Install Ruby with rbenv on FreeBSD 13 — step-by-step FreeBSD 13 tutorial on Progressive Robot

How to Install Ruby with rbenv 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 ruby with rbenv 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 Install Keepalived for High Availability on FreeBSD 13 — step-by-step FreeBSD 13 tutorial on Progressive Robot

How to Install Keepalived for High Availability 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 keepalived for high availability 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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Common Problems 118084

Ubuntu 18.04 Docker permission denied on /var/run/docker.sock

🟡 Medium   ⏱ 5–30 min  Last verified: 14 November 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 Install containerd on FreeBSD 12 — step-by-step FreeBSD 12 tutorial on Progressive Robot

How to Install containerd on FreeBSD 12

Introduction How to Install containerd on FreeBSD 12 is a core administration task for any FreeBSD 12 server operator. FreeBSD 12 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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How to Configure PgBouncer Connection Pooling on FreeBSD 13 — step-by-step FreeBSD 13 tutorial on Progressive Robot

How to Configure PgBouncer Connection Pooling 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 pgbouncer connection pooling 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 Back Up PostgreSQL with pg_dump and pg_basebackup on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Back Up PostgreSQL with pg_dump and pg_basebackup on RHEL 7

How to Back Up PostgreSQL with pg_dump and pg_basebackup on RHEL 7 A reliable backup strategy is one of the most critical operational requirements for any PostgreSQL deployment. On RHEL 7, PostgreSQL provides several complementary backup tools suited to different recovery scenarios: pg_dump for logical, per-database backups that can be restored selectively; pg_dumpall for capturing […]

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How to Automate FreeBSD 12 Server Provisioning with Ansible — step-by-step FreeBSD 12 tutorial on Progressive Robot

How to Automate FreeBSD 12 Server Provisioning with Ansible

Introduction This guide explains how to Automate FreeBSD 12 Server Provisioning with Ansible on FreeBSD 12. 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 […]

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