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How to Configure DRBD for High-Availability Storage on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Configure DRBD for High-Availability Storage on RHEL 7

How to Configure DRBD for High-Availability Storage on RHEL 7 Distributed Replicated Block Device (DRBD) is a Linux kernel module and set of user-space utilities that provide synchronous block-level replication between two servers over a network. It is often described as a network-based RAID-1 and is widely used as the storage layer in high-availability clusters […]

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How to Configure IPv6 Networking on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Configure IPv6 Networking on RHEL 7

How to Configure IPv6 Networking on RHEL 7 IPv6 is the successor to IPv4, offering a vastly larger address space (128-bit addresses versus 32-bit), improved routing efficiency, and built-in support for auto-configuration and security features like IPsec. As IPv4 address exhaustion becomes a practical reality for many networks, enabling and configuring IPv6 on RHEL 7 […]

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How to Set Up a Ceph Storage Cluster on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Set Up a Ceph Storage Cluster on RHEL 7

How to Set Up a Ceph Storage Cluster on RHEL 7 Ceph is an open-source, software-defined storage platform that provides object, block, and filesystem storage in a single unified cluster. Unlike traditional SANs or NAS appliances, Ceph distributes data and metadata across commodity hardware using the CRUSH algorithm, eliminating single points of failure and scaling […]

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How to Automate FreeBSD 15 Server Provisioning with Ansible — step-by-step FreeBSD 15 tutorial on Progressive Robot

How to Automate FreeBSD 15 Server Provisioning with Ansible

Introduction Deploying automate freebsd 15 server provisioning with ansible on a FreeBSD 15 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 […]

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How to Install and Configure MinIO Object Storage on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Install and Configure MinIO Object Storage on RHEL 7

How to Install and Configure MinIO Object Storage on RHEL 7 MinIO is a high-performance, S3-compatible object storage server written in Go. It can run as a single-node server or in distributed mode across multiple nodes, making it suitable for everything from development environments to production-grade data lakes. Because MinIO ships as a single static […]

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How to Configure GlusterFS Distributed Storage on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Configure GlusterFS Distributed Storage on RHEL 7

How to Configure GlusterFS Distributed Storage on RHEL 7 GlusterFS is a scalable, open-source distributed filesystem that aggregates storage from multiple servers into a single, unified namespace. It is commonly used for high-availability shared storage in environments without expensive SAN hardware. RHEL 7 can consume GlusterFS via the CentOS Storage SIG repository or the upstream […]

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How to Set Up iSCSI Storage on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Set Up iSCSI Storage on RHEL 7

How to Set Up iSCSI Storage on RHEL 7 iSCSI (Internet Small Computer System Interface) is a block-level network storage protocol that transports SCSI commands over TCP/IP networks. It is widely used in enterprise environments to provide shared block storage without the cost of dedicated Fibre Channel hardware. RHEL 7 ships with full iSCSI support […]

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How to Configure OpenDKIM with Postfix on FreeBSD 15 — step-by-step FreeBSD 15 tutorial on Progressive Robot

How to Configure OpenDKIM with Postfix on FreeBSD 15

Introduction This guide explains how to Configure OpenDKIM with Postfix on FreeBSD 15 on FreeBSD 15. 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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How to Set Up Dovecot IMAP Server on FreeBSD 15 — step-by-step FreeBSD 15 tutorial on Progressive Robot

How to Set Up Dovecot IMAP Server on FreeBSD 15

Introduction This guide explains how to Set Up Dovecot IMAP Server on FreeBSD 15 on FreeBSD 15. 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 Configure Postfix Mail Server on FreeBSD 15 — step-by-step FreeBSD 15 tutorial on Progressive Robot

How to Configure Postfix Mail Server on FreeBSD 15

Introduction Deploying configure postfix mail server on a FreeBSD 15 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 + ports […]

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