Linux Archives - Page 12 of 19 - ITFROMZERO

Fedora Server: 6 Things to Do Right Away for a Clean and Secure Server

By IT From Zero June 16, 2026

Don't leave your Fedora Server at default settings. This 6-step guide covers SSH hardening, Firewalld, zRAM, and SELinux to keep your system running smoothly and securely.

Fedora

Podman Pod on Fedora: Group Containers with Kubernetes-native Architecture and Auto-generate systemd Services

By IT From Zero June 16, 2026

A guide to using Podman Pod on Fedora to group related containers into a single unit following Kubernetes-native architecture. Covers a real-world WordPress + MariaDB example and how to auto-generate systemd services with podman generate systemd so the Pod starts automatically after a reboot.

Fedora

Greenboot on Fedora IoT and CoreOS: Automatic Health Checks and Rollback on Failed Updates

By IT From Zero June 15, 2026

Greenboot automatically runs health check scripts after every boot on Fedora IoT and CoreOS — if the system is unhealthy, it rolls back to the previous deployment after 3 consecutive failures. This guide covers installation, writing real-world check scripts, and how to test rollback without waiting for an actual failed update.

Linux

Boost HDD Speed by 10x with bcache: Use an Old SSD as Cache on Linux

By IT From Zero June 14, 2026

Don't let slow HDDs bottleneck your system. Here is a detailed guide on using bcache to turn an SSD into a cache for your HDD, multiplying IOPS at a minimal cost.

Fedora

Deploying PostgreSQL on Fedora Server: Securing with SELinux and Firewalld

By IT From Zero June 14, 2026

A guide to installing production-ready PostgreSQL on Fedora Server. Focuses on SELinux security, Firewalld configuration, and performance optimization tips from real-world experience.

Fedora

KVM/QEMU on Fedora Workstation with Virt-manager: Creating, Managing, and Optimizing Linux and Windows Virtual Machines

By IT From Zero June 13, 2026

A complete guide to setting up KVM/QEMU on Fedora Workstation with Virt-manager, from installation to performance tuning. Covers creating Linux and Windows 11 VMs with VirtIO drivers, CPU pinning, snapshots, and common SELinux troubleshooting.

Linux

Advanced find Command on Linux: Filter Files by Multiple Criteria and Automate Bulk Operations with -exec and xargs

By IT From Zero June 10, 2026

The advanced Linux find command lets you filter files by time, size, permissions, and multiple combined conditions. Paired with -exec or xargs, you can automate batch operations on hundreds of files with a single command — from clearing server logs to running security checks.

Linux

Managing /etc Configuration with etckeeper: A Safety Net for Every SysAdmin

By IT From Zero June 10, 2026

Stop worrying about misconfiguring system files. Learn how to use etckeeper to manage /etc with Git, allowing you to track history and restore Linux configurations in seconds.

Linux

Configuring systemd-boot for Linux: Faster, Sleeker, and Much ‘Cleaner’ Than GRUB2

By IT From Zero June 8, 2026

Forget GRUB2; systemd-boot is the future for Linux users who love minimalism. Here is a detailed guide on how to install, configure, and automate this ultra-lightweight bootloader for UEFI systems.

Linux

Practical Bash Scripting: Automating Linux from Scratch

By IT From Zero June 7, 2026

Learn how to write professional Bash Scripts to automate Linux. Detailed guide on variables, loops, functions, and practical error-handling techniques like set -euo pipefail.