Tutorial by Examples: cmd

There are two Dockerfile directives to specify what command to run by default in built images. If you only specify CMD then docker will run that command using the default ENTRYPOINT, which is /bin/sh -c. You can override either or both the entrypoint and/or the command when you start up the built im...

One of the first questions people have when they begin to use PowerShell for scripting is how to manipulate the output from a cmdlet to perform another action. The pipeline symbol | is used at the end of a cmdlet to take the data it exports and feed it to the next cmdlet. A simple example is using...

function Invoke-MyCmdlet { [CmdletBinding(SupportsShouldProcess = $true)] param() # ... }

Suppose you have a Dockerfile ending with ENTRYPOINT [ "nethogs"] CMD ["wlan0"] if you build this image with a docker built -t inspector . launch the image built with such a Dockerfile with a command such as docker run -it --net=host --rm inspector ,nethogs will monitor the...

One of the most common things you'll need to do in the command prompt is navigate your file system. To do this, we'll utilize the cd and dir keywords. Start by opening up a command prompt using one of the methods mentioned here. You most likely see something similar to what's below, where UserNam...

This example demonstrates creating a basic application in ExtJS using Sencha Cmd to bootstrap the process - this method will automatically generate some code and a skeleton structure for the project. Open a console window and change the working directory to an appropriate space in which to work. ...

The CMD instruction has three forms: CMD ["executable","param1","param2"] (exec form, this is the preferred form) CMD ["param1","param2"] (as default parameters to ENTRYPOINT) CMD command param1 param2 (shell form) There can only be one CMD ins...

The available commands will be displayed, including a brief description, in tabular format. In Windows 10 the following commands are listed: CommandDescriptionASSOCDisplays or modifies file extension associations.ATTRIBDisplays or changes file attributes.BREAKSets or clears extended CTRL+C checkin...

This method allows a command to be sent to Cmd.exe, and returns the standard output (including standard error) as a string: private static string SendCommand(string command) { var cmdOut = string.Empty; var startInfo = new ProcessStartInfo("cmd", command) { ...

By Default, powershell would return the output to the calling Entity. Consider Below Example, Get-Process -Name excel This would simply, return the running process which matches the name excel, to the calling entity. In this case, the PowerShell Host. It prints something like, Handles NPM(K...

EXEC sp_configure 'xp_cmdshell', 1 GO RECONFIGURE

echo off cls sqlcmd.exe -S "your server name" -U "sql user name" -P "sql password" -d "name of databse" -Q "here you may write your query/stored procedure" Batch files like these can be used to automate tasks, for example to make backups of ...

Often one want to show the result of a command executed by root to other users. The tee command allows easily to write a file with user perms from a command running as root: su -c ifconfig | tee ~/results-of-ifconfig.txt Only ifconfig runs as root.

Command Structure is sqlcmd -S yourservername\instancename -d database_name -o outputfilename_withpath -Q "your select query" Switches are as follows -S for servername and instance name -d for source database -o for target outputfile (it will create output file) -Q fo...

Add-Type -AssemblyName PresentationFramework [xml]$XAMLWindow = ' <Window xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" Height="Auto" SizeToContent="WidthAndHeig...

After installing perforce and setup your workspace through p4v, you could set up your workspace in Windows cmd. The command you need is: p4 set Set your server p4 set P4PORT= xx.xxx.xx.xxx:xxxxx Set your user name p4 set P4USER=username Set your password In terms of setting your passwo...