The Get-Date -UFormat parameter formats the date using Unix format. The full list of format specifiers are in the Notes section of the Get-Date help file. Some examples are: PS> Get-Date -UFormat ‘%Y-%m-%d %H:%M%:%S%Z’ 2019-05-27 20:40:11+01 4 digit year – two digit month and day. Hour in 24 hour format and minutes and seconds […]
Get-Date –Format enables you to control the formatting of the datetime object returned by the cmdlet. A standard call to get date returns: PS> Get-Date 27 May 2019 12:36:47 The –Format parameter takes a value from the DateTimeFormatInfo class – https://docs.microsoft.com/en-us/dotnet/api/system.globalization.datetimeformatinfo?view=netframework-4.8 – to specify how you want the information to be formatted. For instance: Short and long […]
PowerShell has a number of logical operators – – -and, –or, –not (or !). One I’ve really thought about is the exclusive OR operator –xor. With a standard –or operator the result is TRUE if one of the statements is TRUE PS> (‘a’ -eq ‘A’) -or (‘a’ -eq ‘z’) True The standard –or operator is also […]
PowerShell provides easy access to some useful constants. I often see people calculating these values rather than using the constants. PowerShell recognises kb, mb, gb, tb and pb for kilobyte, megabyte, gigabyte, terabyte and petabyte respectively. You can use them like this: PS> 1kb; 1mb; 1gb, 1tb, 1pb 1024 1048576 1073741824 1099511627776 1125899906842624 Don’t […]
I’ve had the following articles published in 2019 https://searchwindowsserver.techtarget.com/tutorial/Set-up-users-with-key-PowerShell-Active-Directory-commands https://searchwindowsserver.techtarget.com/feature/Editing-content-with-Windows-PowerShell https://searchwindowsserver.techtarget.com/tip/Windows-Compatibility-module-expands-PowerShell-Core-reach Enjoy
In Windows PowerShell if you do something like this: PS> (1..20 | Sort-Object -Property {$_ % 3}) -join ‘ ‘ 9 6 12 15 3 18 19 16 13 10 4 1 7 20 17 2 8 11 5 14 The results come back in an unexpected order. This is not a stable sort […]
OpenSSH installation has got a lot simpler in Windows 10 1809; Windows Server 2019 and Windows Server 1809. OpenSSH is available as an optional feature. The client is preinstalled when you install the operating system. You just need to install the server: Add-WindowsCapability -Online -Name OpenSSH.Server~~~~0.0.1.0 Installing the optional feature creates the required […]
I recently had to create a symbolic link to overcome a bug in OpenSSH whereby OPENSSH won’t work with the path C:\Program Files\PowerShell\6\pwsh.exe because it has a space. The answer is to create a symbolic link which is a file that contains a reference to another file (or directory): New-Item -ItemType SymbolicLink -Path C:\pwsh -Target […]
PowerShell Core v6.2.1 has been released – https://github.com/PowerShell/PowerShell/releases as has v6.1.4 The new versions are to primarily fix the Security Vulnerability CVE-2019-0733 – https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0733 v6.2.1 also enables tab completion for functions
Windows Server 2019 updates with CIM remain the same as all server versions post Windows Server 2016. This code will check for and install any updates. Micorosft Update or WSUS will be used depending on how your system is configured $au = Invoke-CimMethod -Namespace root/microsoft/windows/windowsupdate -ClassName MSFT_WUOperations -MethodName ScanForUpdates -Arguments @{SearchCriteria=”IsInstalled=0″} $au.Updates if ($au.Updates.Length […]