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rnagarajanmca / format_sd_rpi.md
Created September 20, 2017 11:20
Format SD card for Raspberry pi using Windows CMD

Formatting SD card using diskpart

Insert the SD card into an card reader and plug it to the PC.

  • Open a Windows command prompt console and start Diskpart by typing following command.

    \>diskpart

  • List all of your disks.

@rnagarajanmca
rnagarajanmca / emulate_rpi_on_windows.md
Last active March 24, 2024 14:34
Raspberry pi emulator for windows

Emulate Raspberry pi on windows

Following files required to emulate raspberry pi on windows

  • QEMU Emulator
  • Raspberry pi kernel
  • Raspberry pi OS image

QEMU emulator

  • QEMU is an emulator
@rnagarajanmca
rnagarajanmca / ubuntu_configure_noip.md
Created August 5, 2019 19:55
configure noip ( dynamic dns)

Install ddclient and configure noip dyn DNS

Install ddclient using following command

sudo apt-get install ddclient

Skip all installation steps (Don't worry we can configure after installation)

After successful installation open following file

@rnagarajanmca
rnagarajanmca / raspberrypi_usb_audio.md
Last active November 18, 2023 11:11
Configure Raspberry pi with USB Audio

Device specifications

List USB Device

Once you connected the USB Audio device with Raspberry pi use following command to see the list of connected USB device




  


  




    


          
    

      

        
        

          

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                rnagarajanmca
                / apk install from windows context menu.md
            
            

              Last active
              October 24, 2023 18:07
            

              
                Register windows context menu entry to install apk with adb
              
          

        

      

        

  

      

    
  


  




    


          
    

      

        
        

          

              @rnagarajanmca
          

          

            
                rnagarajanmca
                / ubuntu_networking.md
            
            

              Created
              August 30, 2019 16:23
            

              
                Frequently used netwro
              
          

        

      

        

  

      

    
Netcat : To Listen packet recieved in specific port
Sample usecases


:\> nc -v -l 8089 ## Listen to the port 8089
:\> nc -v 127.0.0.1 8089




  


  




    


          
    

      

        
        

          

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                rnagarajanmca
                / aws_cli_iot.md
            
            

              Last active
              May 22, 2019 18:27
            

              
                Instructions to use AWS IoT through CLI
              
          

        

      

        

  

      

    
Create a Thing


>aws iot create-thing --thing-name Thing1
 {
    "thingArn": "arn:aws:iot:us-west-2:747839..:thing/Thing1",
    "thingName": "Thing1"
}


List all Things





  


  




    


          
    

      

        
        

          

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                rnagarajanmca
                / aws_iot_connect_device.md
            
            

              Last active
              May 2, 2019 01:40
            

          

        

      

        

  

      

    
Preparing RPi to connect with AWS IoT


Follow the steps to setup RPi as AWS IoT thing
Do a Raspbian update by using following command


>sudo apt-get update
>sudo apt-get upgrade


Minimum Requirements



  


  




    


          
    

      

        
        

          

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                rnagarajanmca
                / jenkins_ios_setup.md
            
            

              Last active
              September 12, 2017 10:44
            

              
                Setting up jenkins for ios build 
              
          

        

      

        

  

      

    
Troubleshooting


    

  • When jenkins build throws following error

     Going to invoke xcodebuild:target: Sampleapp, sdk: DEFAULT, workspace: Sampleapp, clean: YES, archive:NO, symRoot: DEFAULT, buildDir: DEFAULT, developmentTeamID: XXXXXXX
[Sampleapp] $ /usr/bin/xcodebuild -target Sampleapp -workspace Sampleapp.xcworkspace clean build DEVELOPMENT_TEAM=XXXXXXX
xcodebuild: error: You cannot specify targets with a workspace.
    

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xcodebuild: error: If you specify a workspace then you must also specify a scheme. Use -list to see the schemes in this workspace.



  


  




    


          
    

      

        
        

          

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                rnagarajanmca
                / jenkins_guideline.md
            
            

              Created
              September 7, 2017 06:42
            

              
                Jenkins setup Guidelines
              
          

        

      

        

  

      

    
Clear Jenkins build history


Use the following script to clear the build history from jenkins.
Goto Manage Jenkins > Script Console and type the following script


// change this variable to match the name of the job whose builds you want to delete
def jobName = "Your Job Name"
def job = Jenkins.instance.getItem(jobName)

job.getBuilds().each { it.delete() }