Storage Disk

How to Set Up Dovecot IMAP Server on Debian 11 — step-by-step Debian 11 tutorial on Progressive Robot

How to Set Up Dovecot IMAP Server on Debian 11

Introduction Deploying set up dovecot imap server on debian 11 on a Debian 11 Bullseye machine is straightforward thanks to Debian’s policy-compliant packaging. Unlike rpm-based distributions, Debian stores configuration helpers in /etc/default/, uses update-rc.d for older init scripts, and provides dpkg-reconfigure for interactive package configuration. This tutorial stays on the systemd path throughout. Prerequisites Before […]

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How to Install and Configure Squid Proxy on Debian 11 — step-by-step Debian 11 tutorial on Progressive Robot

How to Install and Configure Squid Proxy on Debian 11

Introduction Deploying install and configure squid proxy on debian 11 on a Debian 11 Bullseye machine is straightforward thanks to Debian’s policy-compliant packaging. Unlike rpm-based distributions, Debian stores configuration helpers in /etc/default/, uses update-rc.d for older init scripts, and provides dpkg-reconfigure for interactive package configuration. This tutorial stays on the systemd path throughout. Prerequisites Before […]

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How to Configure a Static IP Address with NetworkManager on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Configure a Static IP Address with NetworkManager on RHEL 8

Assigning a static IP address ensures your RHEL 8 server is always reachable at a predictable address — essential for services like DNS, mail, or web hosting. On RHEL 8, NetworkManager is the default network management service and the preferred tool for making persistent network changes. Using nmcli from the command line lets you configure […]

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How to Automate Backups with rsync and cron on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Automate Backups with rsync and cron on RHEL 8

Reliable backups are the last line of defense against data loss from hardware failures, ransomware, or accidental deletion, and on RHEL 8 the combination of rsync and cron provides a powerful, scriptable, and dependency-free backup pipeline. rsync is a fast incremental file-transfer utility that only copies changed data, making it efficient for both local and […]

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How to Set Up Software RAID with mdadm on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Set Up Software RAID with mdadm on RHEL 8

Software RAID using mdadm provides redundant disk storage without requiring a hardware RAID controller, making it ideal for cost-effective high-availability storage on RHEL 8. RAID 1 (mirroring) writes identical data to two disks simultaneously; if one disk fails, the other continues serving data without interruption and the array can be rebuilt onto a replacement drive. […]

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How to Set Up NFS File Sharing on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Set Up NFS File Sharing on RHEL 8

Network File System (NFS) is a distributed filesystem protocol that allows RHEL 8 servers to export directories over the network so that client machines can mount and use them as if they were local storage. NFS is a cornerstone of Linux infrastructure, used in everything from home lab setups to large-scale HPC clusters and virtualization […]

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How to Install and Configure BIND9 DNS Server on Debian 11 — step-by-step Debian 11 tutorial on Progressive Robot

How to Install and Configure BIND9 DNS Server on Debian 11

Introduction How to Install and Configure BIND9 DNS Server on Debian 11 is a fundamental operation for any administrator maintaining a Debian 11 Bullseye server. Debian 11 Bullseye ships with the Linux 6.12 kernel, updated toolchains, and a fully refreshed package archive — meaning version numbers, configuration file paths, and some dependency chains differ from […]

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How to Configure LVM on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Configure LVM on RHEL 8

Logical Volume Manager (LVM) is a flexible disk management system that allows you to create, resize, and manage storage volumes on RHEL 8 without the limitations of traditional partitioning. By abstracting physical disks into logical volumes, LVM lets you grow or shrink filesystems on the fly, take point-in-time snapshots, and pool multiple disks into a […]

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How to Configure Multipath I/O on Debian 11 — step-by-step Debian 11 tutorial on Progressive Robot

How to Configure Multipath I/O on Debian 11

Introduction This guide explains how to Configure Multipath I/O on Debian 11 on Debian 11 Bullseye. Debian Bullseye uses systemd for service management, nftables as the underlying packet filter (with ufw or iptables front-ends still available), and AppArmor for mandatory access control. Every command is designed for a minimal Debian 11 install with the standard […]

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How to Configure Disk Encryption with VeraCrypt on Debian 11 — step-by-step Debian 11 tutorial on Progressive Robot

How to Configure Disk Encryption with VeraCrypt on Debian 11

Introduction Debian 11 Bullseye is built around the ethos of stability and free software. Setting up configure disk encryption with veracrypt on debian 11 on Bullseye leverages the same proven Debian packaging system that powers millions of servers worldwide, while benefiting from the latest upstream releases included in the Bullseye freeze. Follow each step carefully […]

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