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Monitoring tutorial - IT technology blog

Monitoring Systemd with Prometheus: Don’t Let Your Server Stay ‘Alive’ While Your App Is ‘Dead’

By admin June 20, 2026

Don't let a green dashboard fool you when internal services have crashed. Detailed guide on using Prometheus Systemd Exporter to monitor uptime and handle Linux service errors effectively.

Fedora

Dual Boot Fedora Linux and Windows 11: Configuring UEFI, Secure Boot, and GRUB2 for Safe Parallel Booting

By admin June 18, 2026

A guide to setting up Fedora Linux and Windows 11 dual boot on UEFI, keeping Secure Boot enabled through MOK enrollment, properly partitioning the EFI partition, and recovering GRUB2 after Windows Update overwrites the boot entry.

Ubuntu

Ubuntu Frame: The ‘All-in-one’ Solution for Kiosks and Embedded Displays on Wayland

By admin June 17, 2026

Ubuntu Frame is a modern X11 replacement for building Kiosk displays and embedded devices. A detailed guide on installation, screen rotation, and running a smooth Web Kiosk.

Virtualization

Enable Hyper-V on Windows 11 and Create Virtual Machines with PowerShell: Practical Tips for Developers

By admin June 16, 2026

A guide to enabling Hyper-V on Windows 11 and creating Linux/Windows VMs with PowerShell — from checking CPU support and creating virtual switches to automation scripts that spin up an Ubuntu VM in minutes. Practical tips for developers who need a Linux environment directly on their Windows machine without installing extra software.

Fedora

Setting Up WireGuard VPN on Fedora Server: Secure Remote Access with firewalld and SELinux

By admin June 16, 2026

A complete guide to setting up WireGuard VPN on Fedora Server, covering firewalld, SELinux, and IP forwarding configuration. Includes a script to auto-generate client configs and practical debugging tips.

Fedora

Using Podman Compose on Fedora: Replacing Docker Compose for Rootless Multi-Container Application Management

By admin June 16, 2026

Podman Compose lets you run multi-container stacks on Fedora without needing a Docker daemon or root privileges. This article compares four approaches — Docker Compose, Podman Pods, Quadlet, and Podman Compose — then walks through a real-world deployment with a web app, PostgreSQL, and Redis, including notes on SELinux and rootless port handling.

Security

How to Use Canarytokens for Early Intrusion Detection: Setting Traps in Files, URLs, and Emails

By admin June 16, 2026

Canarytokens is a technique for planting information traps inside files, URLs, and emails to detect hackers the moment they access sensitive data — receiving instant alerts with IP address and timestamp. A step-by-step practical guide: creating tokens and embedding them in fake credential files, .env files, Word documents, and DNS config on Linux servers.

Fedora

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

By admin 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.

Monitoring

Monitoring Every Linux Command: Snoopy Logger and Grafana Loki Solution

By admin June 15, 2026

Forget .bash_history. Here is how to use Snoopy Logger and Grafana Loki to monitor every user action on Linux professionally and securely.

Linux

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

By admin 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.