Kyle Kowalczyk

Kyle Kowalczyk

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Home2017April

Month: April 2017

Grid

Tkinter Grid – Adding a Button

April 29, 2017 kyle@smallguysit.com 0

In this tutorial I am demonstrating how to add a button using Grid in Tkinter. Placing a basic button can be done with only 2 lines of code highlighted in the code block below. The […]

Cisco

Cisco IOS – View CPU and Memory Usage

April 25, 2017 kyle@smallguysit.com 0

Recently I was tracking down some performance issues on some of my switches and found myself checking the CPU and memory utilization quite often so I figured I would make this post, I show how […]

Cisco

Cisco – Create an IOS Bootable USB Drive

April 13, 2017 kyle@smallguysit.com 0

Creating a bootable USB that contains bin files of the firmware that your routers/switches use is a good thing to have in your pocket as a network admin in the event you are shipped a […]

Uncategorized

Cisco Routing/Switching – Validate Firmware Image with MD5

April 11, 2017 kyle@smallguysit.com 0

Validating an image after transferring it from you computer to your switch or router is a smart thing to do when upgrading a firmware image to be sure that an image was properly transferred from […]

Network Admin

Ubiquiti EdgeMax – Add Port Group

April 1, 2017 kyle@smallguysit.com 0

Port groups work great if you have a set of ports that you will need to police in your firewall together in different rulesets, for instance if you want to allow or block all web […]

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  • Grid

    Tkinter Grid – Adding a Button

    In this tutorial I am demonstrating how to add a button using Grid in Tkinter. Placing a basic button can be done with only 2 lines of code highlighted in the code block below. The [...]
  • Cisco

    Cisco 3750x – Stuck in Boot Loop – Access Switch Prompt

    If you have ever uploaded an image to a switch that is not supported by that hardware you will be all too familiar with this. Keep in mind these instructions are written for a Cisco [...]
  • Cisco

    Cisco Switch – Use IOS Bootable USB Drive to Recover 3750x

    Its possible that over time or when uploading new firmware to a switch the firmware that the switch is using to boot will become corrupt, in this case you will be left at a “switch:” [...]
  • Cisco

    Cisco IOS – Schedule Reboot / Cancel Reboot

    When making potentially intrusive changes or doing fail over testing and you do not have physical access to the device, it is a good practice to save the working config, schedule a reboot and make [...]
  • Network Admin

    Ubiquiti AirMAX Security Hole PR Issue

    So Last week it was made public a vulnerability in the AirMAX firmware that allowed for remote command execution affected some of their AirMAX products. I came across it via This Link on Spiceworks, now at first glance [...]
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