Practical tools and guides for system administrators
Lightweight tools, cheat sheets and practical guides for everyday infrastructure management,
automation, and troubleshooting tasks.
Tool categories
Encoding tools
Tools for encoding, decoding, and transforming text data.
Data utilities
Utilities for formatting, converting, and validating structured data.
Security tools
Small utilities for hashes, checks, and security-related operations.
Network tools
Tools for quick network diagnostics and infrastructure checks.
DNS tools
Utilities for DNS records, domain lookups, and name resolution tasks.
System Tools
Diagnostic and AI-powered utilities for Windows system analysis.
Latest posts
Grow a Linux disk after extending a VMDK
Extending the virtual disk is the easy part. This walks the whole chain in the guest: rescan, growpart, pvresize, lvextend and the filesystem step, which is xfs_growfs on RHEL and resize2fs on Ubuntu.
Read guide →About this project
Hi, I’m Zaur — a system administrator working mainly with Windows infrastructure, VMware, AWS, automation, and troubleshooting.
This website brings together practical tools, cheat sheets, and technical guides based on real-world infrastructure work.
The goal is simple: help system administrators solve everyday tasks faster.