![Demo
Summary
• Used the Get-TimeZone cmdlet
• Found out that the timezone description does
not take DST into account
• Used [datetime] type accelerator
• UtcNow
• Now
• Calculated actual time difference
• Combined output into a single string](https://image.slidesharecdn.com/manageyourinfrastructurewithpowershell-170919134857/85/Manage-your-infrastructure-with-PowerShell-15-320.jpg)
![Demo
Summary
• Find out which disk is the system disk
• Find out how big the disk is
• Create the correct WQL query
• Format output into a string
• Set number of decimals for size in GB with
[math]::round](https://image.slidesharecdn.com/manageyourinfrastructurewithpowershell-170919134857/85/Manage-your-infrastructure-with-PowerShell-17-320.jpg)
Manage your infrastructure with PowerShell
- 1. Manage your infrastructure with PowerShell @Jaap_BrasserJaap Brasser
- 2. • Dutch PowerShell User Group! • PowerShell Conference Europe • PowerShell Conference Asia • Slack • Reddit • GitHub • PowerShell Gallery • TechNet Forums/Gallery About_Jaap @Jaap_Brasser
- 4. Agenda
- 5. • Structured output – Objects! • Hostname of the system • Domain name of system • OS info • Memory info • System disk • Pagefile • Create a function Building the tools
- 6. Demo 1 - Retrieve hostname
- 7. Demo Summary • Found the host name of the system • Looked at PowerShell drives • Explored the Env: drive • Found the hostname of the system • Created a PowerShell object • Exported the object to csv • Opened csv in Excel
- 8. Demo 2 – Get System Domain
- 9. Demo Summary • Found the user domain • Found the system domain • Merged output with previous output
- 10. Demo 3 – OS Information
- 11. Demo Summary • Used the Win32_OperatingSystem class • Retrieved the information • Established Get-WmiObject is obsolete • Used Get-CimInstance • Help examples with array indexing • Used WQL to speed up query • Get-CimInstance hiding output
- 12. Demo 4 – Memory Information
- 13. Demo Summary • Retrieved information from ComputerSystem • Divided by GB • Strong typed as integer to remove rounding • Used format operator to create string
- 14. Demo 5 - Timezones
- 15. Demo Summary • Used the Get-TimeZone cmdlet • Found out that the timezone description does not take DST into account • Used [datetime] type accelerator • UtcNow • Now • Calculated actual time difference • Combined output into a single string
- 16. Demo 6 – System Disk Size
- 17. Demo Summary • Find out which disk is the system disk • Find out how big the disk is • Create the correct WQL query • Format output into a string • Set number of decimals for size in GB with [math]::round
- 18. Demo 7 – Pagefile from registry
- 19. Demo Summary • Found the registry provider PSDrive • Looked at the ‘Memory Management’ key • Retrieved the information using Get- ItemProperty • Used the –join operator to collapse the array
- 20. Demo 8 – Create the function
- 21. Demo Summary • Create the Get-ComputerInformation function • Create a hashtable • Fill the values in the hashtable using output from the commands created • Convert the hashtable to a PowerShell custom object • Ran the function
- 22. Questions?