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Virtual disk format conversions

Technical Notebook Pages

  qemu-img utility You can download the qemu-img utility for Windows from here.   OVA to VHDX qemu-img.exe -p convert source.vmdk -O vhdx -o subformat=fixed destination.vhdx   #end

Errors and Solutions

Microsoft PowerShell

This page contains a list of common PowerShell errors and their solutions. Invoke-WebRequest : The request was aborted: Could not create SSL/TLS secure channel. The cause of the error is that PowerShell, by default, uses TLS 1.0 to make https requests. T...

Basics

Microsoft PowerShell

Expanding objects Much of the data we receive from cmdlets are objects that require further manipulation to get to the data we're looking for. # Connect to Microsoft Graph Connect-MgGraph -Scopes "Mail.Read" # Define the user and folder details $u...

Active Directory

Microsoft PowerShell

Get-SMBOpenFile

Firewall management

Microsoft PowerShell

List firewall rules with ICMP in the DisplayName Get-NetFirewallRule | Where-Object DisplayName -Like "*ICMP*" | Sort-Object Enabled,Name | Format-Table Enable ICMP Echo Request Set-NetFirewallRule -DisplayName "File and Printer Sharing (Echo Request - ICMPv4...

Microsoft netsh trace

Networking

Basic Start the trace: netsh trace start capture=yes Ethernet.Type=IPv4 Stop the trace: netsh trace stop Files will be created in %AppData%\Local\Temp\NetTraces View ETL in Microsoft Network Monitor 3.4 If you load the ETL in Microsoft Network Monit...

Group Policy and PowerShell

Microsoft PowerShell

You can manage Group Policy via PowerShell... who knew!? 🤣 Listing GPOs Get-GPO -All | Sort-Object -Property DisplayName | FT -Property DisplayName,Owner,GpoStatus,Description Get-GPO -All -Domain domain.loc -Server dc1.domain.loc | Sort-Object -Property ...

WiFi Standards

Technical Notebook Pages

WiFi Standards Comparison WiFi 4 WiFi 5 WiFi 6 WiFi 6e WiFi 7 Launch date 2013 2019 2021 2024 Standard name 802.11ac 802.11ax 802.11ax 802.11be Notable additions MU-MIMO OFDMATWTWPA3 Encryption+ modulation+  M...

ImageMagick

Linux

Use ImageMagick to create, edit, compose, and convert digital images. Resize an image, crop it, change its shades and colors, add captions, and more. Resizing files in a directory nice -n 19 mogrify -path . -filter Triangle -define filter:support=2 -unsharp ...

Single Arm Heavy Club Mill

Weight training

This page is a work in progress.       Single Arm Inside Circle - Like Single Arm Outside Circle - For balance Shield Cast - Basic throwing pattern   Combine Single Arm Mill Prep Inside circle goes with the shield cast (goes past your opposite ear)...

Steel Mace Rotational Mills

Weight training

Steel Mace Rotational Mills   #end

Wildman Mace Training

Weight training

  Mace 101 , part 101 of a instructional basic mace videos Mace 102 - same side single arm 360 also called same side single arm shield cast Mace 103 - reverse near side single arm 360   #end

Junctions

Microsoft

Finding junctions / reparse points # return all reparse points on the C: volume DIR C:\ /S /AL Checking reparse points fsutil reparsepoint query [dir/file]     #end

Searching Postfix logs

Postfix Logging

Status messages # find all log entries where the status is other than sent grep status= /var/log/mail.log | grep -v status=sent # make sure there aren't eny other status messages grep status= /var/log/mail.log | grep -v -e status=sent -e status=bounced -...

Python Snippets

Python

Useful Python3 snippets as I come across them.     Using xmltodict on the command line with ipset Use ipset to dump a set list via xml, then convert that to json. ipset list observed-unathorized -output xml | python3 -c 'import xmltodict, sys, json; json....

Knots

Hammocking

    Prussik knot (friction hitch) The Worlds Most Reliable Knot: The Prusik Hitch Marlin spike hitch Soft shackle Soft shackle with prussik (as seen in picture below)  

Tarp ridgeline

Hammocking

     

Linux Performance Observability

Linux

https://www.brendangregg.com/linuxperf.html #end