SSH Dropped and Killed Your Job? Here’s the Fix
You’ve been running a long rsync job or a Python script on a remote server only…
How to Avoid Retyping Long Commands in Linux
Ctrl+R and fc let you find, recall, and edit any command from your bash history in…
hyperfine: Find Linux Command Execution Time Accurately
hyperfine is a command-line benchmarking tool that runs your commands repeatedly, collects timing data across multiple…
7 Ways to View Disks and Partitions in Linux
Whether you’re troubleshooting boot issues, preparing to format a drive, or setting up a new disk,…
How to Use Rsync Command: 16 Examples for Linux File Sync
In this article, you will learn how to copy, sync, backup, and transfer files locally and…
VCF 9.0 GA Mental Model Part 6: Topology and Identity Boundaries for Single Site, Dual Site, and Multi-Region
TL;DR Scope: VMware Cloud Foundation 9.0.0.0 GA (primary platform build 24703748) and the associated 9.0 GA…
VCF 9.0 GA Mental Model Part 5: Topology Patterns for Single Site, Two Sites, and Multi-Region
TL;DR Identity is not a “later” decision. It is a boundary decision. The hierarchy you should…
VCF 9.0 GA Mental Model Part 4: Fleet Topologies and SSO Boundaries (Single Site, Dual Site, Multi-Region)
TL;DR This post targets VCF 9.0 GA only: VCF 9.0 (17 JUN 2025) build 24755599, with…
Convert Azure VMs from Unmanaged to Managed Disks: A Production-Ready Runbook
TL;DR Converting a VM to managed disks is usually operationally straightforward: deallocate, convert, start, validate. The…
Azure Unmanaged Disks Retirement: How to Tell If You’re at Risk Before End of March 2026
TL;DR If any Azure IaaS VM in your estate still uses unmanaged disks, it is on…
VCF 9.0 GA Mental Model Part 3: Day-0 to Day-2 Ownership Across Fleets, Instances, and Domains
TL;DR A) One fleet, one instance, stretched where justified In VCF 9.0, identity is not a…
VCF 9.0 GA Mental Model Part 2: Fleet Services vs Instance Management Planes (and Who Owns What)
TL;DR Practical implication: if fleet services are impaired, governance and workflows degrade, but the instance-level control…
VCF 9.0 GA Mental Model Part 1: Fleets, Instances, Domains, and the Fleet Management Layer
TL;DR This is the “where do we do the thing” map you want in every runbook….
CrowdStrike Falcon Scores Perfect 100% in SE Labs’ Most Challenging Ransomware Test
SE Labs employed both direct attacks and deep attacks. Test results and the feedback of third-party…
How to Execute MySQL Queries via Linux Terminal
If you are in charge of managing a database server, from time to time you may…