Saturday, January 1, 2022

How to disable the V8 JavaScript engine’s JIT compiler within Edge

Starting with Edge version 96, an option is available to disable the V8 JavaScript engine’s JIT compiler.  This will impact performance with sites that use a large amount of JavaScript but it should improve overall security, as a large number of past security issues are related to the JIT.

https://microsoftedge.github.io/edgevr/posts/Super-Duper-Secure-Mode/

https://www.reviewgeek.com/104171/microsoft-edge-gets-a-super-duper-secure-mode-heres-how-to-enable-it/



PowerShell command to display SMART hard drive failure status

To check local drives for a SMART notification of a potential drive failure, use the following command:

Get-WMIObject -NameSpace root\wmi -class MSStorageDriver_FailurePredictStatus | Select-Object PredictFailure, Reason




Another SMART utility such as CrystalDiskInfo verified that the drive in question was at end of life.



https://www.itprotoday.com/disaster-recovery-and-business-continuity/smart-failure-predicted-hard-disk-how-concerned-should-you

iVerify app for iOS

The iVerify app for iOS offers advice on securing a device as well as scans to verify the operating system is current.

https://apps.apple.com/us/app/iverify/id1466120520?s=09

https://www.iverify.io/


VUit

VUit is a free video streaming service that includes on-demand access to content produced by local TV news stations around the United States.

https://www.vuit.com/

Use WMI commands to obtain information on memory

WMI commands can be used to obtain details concerning local memory.  Below are some examples of the commands available.

wmic memorychip get devicelocator, manufacturer

wmic memorychip get devicelocator, partnumber

wmic memorychip get devicelocator, capacity

wmic memorychip get devicelocator, speed

https://www.windowscentral.com/how-check-ram-size-speed-type-part-form-factor-windows-11



Windows 10 start up folders

To access the startup folders within Windows 10, use the following commands:

User Account ->  shell:startup

All Users -> shell:common startup


Wednesday, December 1, 2021

NCurses Disk Usage

NCurses Disk Usage or ncdu is a disk analyzer for Linux.  The application can be installed via the command below:

sudo apt install ncdu

To scan the entire system, use the command below

sudo ncdu -x \


https://dev.yorhel.nl/ncdu

https://www.networkworld.com/article/3644415/looking-at-linux-disk-usage-with-the-ncdu-command.html

https://www.networkworld.com/article/3693090/using-ncdu-to-view-your-disk-usage-while-grasping-those-tib-gib-mib-and-kib-file-sizes.html#tk.rss_all

https://www.both.org/?p=4639

https://www.howtogeek.com/how-to-use-ncdu-to-find-disk-hogging-directories-in-linux/

Right-click functionality with a Touchpad within Linux Mint not working

When installing Linux Mint on a laptop, the right-click functionality was not working by default with the built-in Touchpad.  To resolve this issue, access the Mouse setup and access the Touchpad tab.  Disable the default parameters of the two-finger and three-finger emulation.




ClamAV

ClamAV is an open source anti-virus engine.  To install the main application and a GUI interface within Linux Mint, use the following commands:

sudo apt install clamav

sudo apt install clamtk

To update signatures via a terminal session, use the following commands:

sudo service clamav-freshclam stop
sudo freshclam
sudo service clamav-freshclam start

To scan a directory via a terminal session, use the following command:

clamscan -r -i directory_name


https://www.networkworld.com/article/3652690/using-clamav-to-detect-and-remove-viruses-on-linux.html

nomacs

nomacs is an open source image viewer application.  Versions are available for both Windows and Linux.  The feature set is similar to Irfanview.

https://nomacs.org