Ketan Desai

  • VMWare Power CLI Disk Usage

    VMWare Power CLI Disk Usage

    On occasions a audit needs to take place on VMware to see how much disk usage was being taken up by all the VMs PowerCLI is an ideal tool for working this out, and this is how I went about it. lets pull a list of all the powered on VM’s. Below we are filtering…

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  • Install Node-Red on Centos 7

    Install Node-Red on Centos 7

    It’s been a while since i have done anything with my ESP8266 development boards, so I’m now going to pick the back up and see what has changed. One big change is the introduction of node-red on this page I’m going to go through the install process on Centos 7   for this i had to modify…

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  • Windows updates via PowerShell

    Windows updates via PowerShell

    So with windows updates being temperamental at times i have found that windows PowerShell also has a module for updates. i have been using it for a while and seems to work every time with out failure. it is super simple. PowerShell Module https://gallery.technet.microsoft.com/scriptcenter/2d191bcd-3308-4edd-9de2-88dff796b0bc Copy the whole module folder (after unzipping) to %WINDIR%\System32\WindowsPowerShell\v1.0\Modules Setup Start…

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  • NTP on HP Aruba Switches

    NTP on HP Aruba Switches

    Using time synchronization ensures a uniform time among interoperating devices. This helps you to manage and troubleshoot switch operation by attaching meaningful time data to event and error messages With HP changing the way they set up NTP on switches this is an easy guide to set it up on CLI. setting up the NTP…

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  • Build WebServer on Centos 7

    Build WebServer on Centos 7

    LAMP (Linux, Apache, MySQL, PHP) In this guide, we will walk through installing all of these components (except for Linux, which is already installed as your OS when you create the server). Install Apache Install MySQL Install PHP Update Firewall #sudo firewall-cmd –permanent –zone=public –add-service=http #sudo firewall-cmd –permanent –zone=public –add-service=https #sudo firewall-cmd –reload   Test…

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  • Aruba 2930F VSF

    Aruba 2930F VSF

    Recently i have the need to setup a virtual fabric between switches (Vertical Switching Framework) VFS. This would allow me to have 2 switches act as one for fail over purposes. i have been looking around at many different switches till i decided to go with the entry level Aruba form HP Enterprise. setting up…

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  • RAVPower 36W USB Charger USB-A & USB-C ports

    RAVPower 36W USB Charger USB-A & USB-C ports

    The RAVPower 36W charger is a great new offering from RAVPower, It’s a great replacement for any USB charger, that is available on the internet. The power output of this charger is incredible for the size. The unit has all the protection circuitry that is required, this give you the peace of mind when plugging…

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  • Simple Temperature Monitor ESP2866

    Simple Temperature Monitor ESP2866

    This is a simple temperature sensor i am working on based on the ESP2866 For some reason i can’t get the ° Degree Symbol to work. i assume i have the wrong ASCII character

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  • Interview Questions 

    Interview Questions 

    Recently I have had the chance to interview candidates for roles in computing infrastructure. With this process now over I thought I would pull all of my notes, thoughts and interview questions together in one place. hopefully this will be useful to both employers and candidates. If you have any suggestions please leave a comment below.…

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