Posted inLinux
Stop Guessing: Benchmarking Linux Disk Performance with fio
Marketing specs for SSDs and NVMe drives often mislead. Learn how to use fio to get accurate IOPS and latency data before you deploy to production.
Posted inLinux
Linux NVMe Management: Monitoring Health and Updating Firmware with nvme-cli
Take control of your Linux storage. This guide moves beyond basic disk tools to show you how to monitor NVMe health, update firmware, and optimize LBA formats using nvme-cli.
Posted inLinux
Linux Disk Partition Management with parted, gdisk, and fdisk: GPT/MBR Guide
Compare fdisk, gdisk, and parted for Linux disk partitioning — learn when to use each tool, how to create and resize GPT/MBR partitions, and how to recover from a corrupted partition table with practical commands.
Posted inLinux
Mastering io_uring on Linux: Next-Generation Async I/O That Outperforms epoll
io_uring is Linux's modern async I/O interface that cuts system call overhead dramatically compared to epoll by sharing ring buffers between userspace and kernel. This guide compares I/O models side-by-side, walks through liburing setup on Ubuntu 22.04, and includes working C code examples for file reads and batched operations.
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Mastering OverlayFS: A Practical Guide to Union Filesystems and Container Storage
Master Linux OverlayFS to merge read-only and writable layers. This technical guide provides hands-on examples for Docker optimization, persistent Live USBs, and troubleshooting XFS ftype issues.
Posted inHomeLab
Hard Drive Health: A 6-Month Production Review of Scrutiny on Docker
Is your data safe? After 6 months of production testing, here is why Scrutiny on Docker is the best way to monitor S.M.A.R.T. health and predict drive failures before they happen.
Posted inLinux
XFS Mastery: Resizing, Backing Up, and Tuning Linux’s Powerhouse File System
Master XFS file system management on Linux with this practical guide. Learn to use xfs_admin for configuration, xfs_growfs for online resizing, and xfs_dump for high-speed backups based on real-world sysadmin experience.
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Configuring iSCSI Storage on Linux: A Practical Guide to Target and Initiator Setup
Boost your infrastructure with raw block-level storage. This guide covers setting up iSCSI Targets and Initiators on Linux, including LVM backstores, ACL security, and persistent mounting.
Posted inLinux
Mastering Software RAID with mdadm: A Practical Guide to Linux Disk Redundancy
Don't let a drive failure take down your server. This guide shows you how to configure mdadm on Linux to create RAID 0, 1, 5, and 6 arrays for maximum uptime.
Posted inLinux
Mastering ZFS on Linux: A Practical Guide to Advanced Storage
Ditch legacy partitions for ZFS. Learn how to install OpenZFS, create mirrored storage pools, and use LZ4 compression and snapshots to protect your Linux data.