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Base64 PowerShell Decode & Encode – One-Liners | CheatSheet

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Base64 PowerShell commands to encode and decode data in Windows

On Linux or macOS, encoding and decoding with base64 is simple. But on Windows, there’s no built-in base64 command in CMD or PowerShell. That’s why many users search for fast alternative of the base64 command in Windows. The simplest way to convert Base64 encoded/decoded data is to use PowerShell’s ToBase64String and FromBase64String methods. The one-liners below will let you work with strings and files securely – without sending your data to any third-party tools. This guide shows how to use Base64 PowerShell commands to make all Base64 data converts locally. (more…)

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Windows: PowerShell `Tail`, & `Head` Equivalents

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The tail and head are two of the most commonly used commands for displaying the contents of a file in Linux.

Windows PowerShell, in its turn, also has equivalents of the Linux tail and head commands.

From this short post you will learn how to use the equivalents of the tail and head commands in Windows PowerShell and how to dynamically print a file’s contents, i.e. follow it like using tail -f. (more…)

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PowerShell: Get Command Help (–help/-h/?) [SOLVED]

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The help command is a special command that is used to provide more information on another commands.

In Windows PowerShell the help command can be called at any time to learn more about a command’s usage and syntax, like the available options and how to structure the command to use these options.

However, at first, it may not be so obvious how to actually call the help command in PowerShell and this short post can help you with this. (more…)

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cmd.EXE Keeps Popping Up [SOLVED]

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Many Windows users are encountering a problem of a command prompt cmd.EXE window that opens randomly and closes so quickly, that there is no time to do anything with it.

If you are also facing the black cmd.EXE window that keeps popping up and disappearing, most of all it is triggered by some automatic task that is launching it periodically.

This note shows how to identify and disable the scheduled task that causes cmd.EXE to keep popping up. (more…)

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Windows: Measure Command Execution Time in PowerShell

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The time command in Linux and Unix-like operating systems is used to determine how long a specific command or script will take to run.

In Windows PowerShell there is a built-in Measure-Command, that can be considered as the Linux time command equivalent.

This short post shows how to use the Measure-Command in PowerShell to evaluate the processing time taken by different commands, scripts or programs in their execution. (more…)

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Install Kubectx & Kubens on Windows

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kubectx and kubens are two command-line tools that can help to manage Kubernetes clusters and namespaces more efficiently.

kubectx is used for switching between Kubernetes contexts (clusters) faster, while kubens is used for switching between Kubernetes namespaces more easily.

This post shows how to install kubectx and kubens on Windows so they can be used from PowerShell or Command Prompt (CMD). (more…)

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WHOIS Command on Windows – PowerShell & CMD

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In Linux, a whois command is used to lookup information about domains or IP addresses.

But if you try to run the whois command on Windows from PowerShell or command prompt (CMD), you will receive one of the errors below:

‘whois’ is not recognized as an internal or external command,
operable program or batch file.
– or –
whois : The term ‘whois’ is not recognized as the name of a cmdlet, function, script file, or operable program. Check the spelling of the name, or if a path was included, verify that the path is correct and try again.

This post shows how to install the whois command on Windows and make it available in PowerShell and CMD. (more…)

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[SOLVED] PowerShell: Running scripts is disabled on this system

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While trying to run a PowerShell script you may get an error message that says “cannot be loaded because running scripts is disabled on this system. For more information, see about_Execution_Policies at https:/go.microsoft.com/fwlink/?LinkID=135170.”

This error message is due to the default execution policy set by PowerShell, that determines whether PowerShell scripts can be run on a system.

By default, the execution policy is set to Restricted, which means that PowerShell scripts cannot be run.

To fix this error message, it is required to change the execution policy to RemoteSigned and this post shows how to do this. (more…)

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Kubectl Autocomplete in PowerShell

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A kubectl autocomplete is a feature that helps to complete kubectl commands or filenames automatically by pressing the ↹ Tab key.

This feature can be enabled in Windows PowerShell by invoking a simple kubectl completion powershell command.

Though this way it will be enabled temporary for the current session only.

To enable the kubectl autocomplete feature permanently it is required to add some commands to your Powershell $PROFILE file and this post shows how to do this. (more…)

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Install Kubectl on Windows

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A kubectl is the official Kubernetes command-line tool, used to run commands on Kubernetes clusters.

As the kubectl is distributed as a standalone binary it can be easily downloaded from official sources and installed on Windows.

In this post I will show how to download and install the latest stable version of the kubectl on Windows through a graphical user interface (GUI), or using a command-line prompt (CMD) or PowerShell. (more…)

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