Tuesday, June 1, 2021

ChromeOS commands within crosh

ChromeOS has a Unix-like shell named crosh.  This shell can be accessed by the keyboard combination of Control + Alt + T.  Below are a few examples of available commands.

top -> Unix-like top command to show process details

network_diag -> Create a text file with network details

tracepath -> Trace route command


Script to create fake VM entries within Windows

The script at the link below creates fake entries and services within Windows to offer the allusion that the OS in question is running within a virtual machine.  Some malware attempt to check to determine if a VM is being used, so in theory it may not execute.




Windows10Debloater is a PowerShell script to debloat Windows 10, to remove Windows pre-installed unnecessary applications, stop some telemetry functions, to disable unnecessary scheduled tasks, etc.


FLoC checking web site

The EFF has a web site to check if Google's FLoC (Federated Learning of Cohorts) technology is present within a browser.



EdgeDeflector is a helper application that intercepts URIs that force-open web links in Microsoft Edge and redirects it to the system’s default web browser.


Digital Signage applications

Below are some digital signage applications that are free.





Saturday, May 1, 2021

Diagnostics app within ChromeOS

Starting with ChromeOS version 90, a new Diagnostics app was introduced.  To launch it, perform a search for "diagnostics".  Another method would be under About ChromeOS under Settings.  The Diagnostics app is broken up into three sections: Battery, CPU, and Memory.

Enable Function keys within ChromeOS

To enable the top keys within ChromeOS to be used as normal Function keys, access Settings -> Device -> Keyboard.  Toggle on the "Treat Top-Row Keys as Function Keys" option.

Nethogs command within Linux

The nethogs command groups bandwidth usage by process.  To install, use the command:

sudo apt install nethogs

To run the command, use:

sudo nethogs


PowerShell one-liner to check Wi-Fi signal strength

To determine the strength of an existing Wi-Fi signal via PowerShell, use the following command.

(netsh wlan show interfaces) -Match '^\s+Signal' -Replace '^\s+Signal\s+:\s+',''