JarenHavell.com

Unlock and Root: Loading a custom ROM on Kindle Fire 7 (5th gen)

I bought a $35 kindle fire 7 a few years ago. 2019 is the year to “root it” and make it mine. Loading a custom rom on a Kindle fire 7 (5th gen) in 2019 Lately, my kindle has been acting slow, freezing, disconnecting from wifi, and generally being a party pooper, plus all of the “offers”. […]

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One year with Linux

1 year with Linux All the things I learned using debian at home for a year. About a year ago, I started playing around with linux as my primary operating system. I had played with linux many times, loading it up on old computers or using it in specific instances at work for items like […]

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Cloning a Debian system

Any computer system can be “cloned” using a variety of methods. Clonezilla is my preferred method. This post is the companion notes to my video Clone / upgrade a Debian system with Clonezilla and Gparted When using Clonezilla, we ideally clone from a small drive to a large drive, performing a disk to disk copy […]

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SPI fast Display library is good, KEDEI 3.5 is Garbage.

Video notes for SPI display install on a raspberry pi, “liveblog” style. A bit lengthy due to my preferred editing style (none).  Part 1 is riddled with typos and ends with some frustration.  Part 2 is a roller coaster of excitement, but more importantly, many lessons learned. Part 3 has some feedback from the author of the […]

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Combine pdf files

Sometimes you have multiple PDF files you want to put together into one file. If you have linux, it couldn’t be easier using the convert command. You have to have the files in the same folder. This will take file1 and append it to file2 and save the output as fileOut.pdf. Covert file1.pdf file2.pdf fileOut.pdf […]

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Copy a file over SSH using SCP

Scenario: Your file is on one linux machine. You want it somewhere else.    You SSH to the machine where the file is at, and run the following scp command (Secure Copy Protocol) to copy it to your local machine. Use the SCP command Sudo SCP /home/user/source.file user@destinationip:/home/user/destinationfolder/ Example: I have a file on […]

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Dd – writing an img or iso to a disk

DD (or Data Duplicate) is a handy tool for working with disk images. It can also be dangerous if you do not know how it works or get your “if” swapped with your “of” or have the wrong device. “If” is the “source” of the image you are working with, usually an image but it […]

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Screenfetch and Neofetch

What version of debian am I running? What is my system uptime? What is my current display resolution? what cpu do I have? All of these questions and more may keep you up at night. This simple trick will help answer your questions so you can get back to sleep. Screenfetch Neofetch Sudo apt-get install […]

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Hey Linux, What wireless card do I have?

I was curious what wireless card I had in my Thinkpad T540p. I have Debian 9 installed on it. A quick search reveled an ubuntu forum post that provided some terminal commands for listing various hardware. List hardware: lspci Adding a pipe (|) and grep command with “Wireless” as the filter yields the following To determine […]

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Install Chrome on Debian

How to install Google Chrome in Linux (Debian). One does not simply “download” chrome as on pc or mac. Nor does one simply apt-get install chrome. It’s always more complicated. The “simple” way, per allaboutlinux Go to Google’s chrome download page find the linux version “64 bit .deb (For Debian/Ubuntu)”. Download it. file name should […]

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