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Continue reading →: Geek Things To Do In IsolationWith the UK (and the world) fighting the Corona virus a lot of people are social distancing or isolating, and UK schools are closing. This may leave you with time to learn, or may leave you stuck looking for something for young people to do. I thought I would try…
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Continue reading →: Downloading Multiple Files Via Wget (Linux)When I first started my website I discussed some of the options of using the command line / terminal to download content from the internet without using a web browser. Recently I started looking through some of my partially wrote blog posts / ideas for posts and decided to finish…
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Continue reading →: Copying Files & Folders Via SCP (Linux)I’m working on a few projects at the moment and using SCP. I thought I had covered SCP in a post before, but my site’s search engine says otherwise. So here is a post on SCP. Secure Copy (SCP) can be used, as the name suggests, to securely copy files…
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Continue reading →: dstat – Viewing Linux Under The Hood (Linux)dstat is a tool for viewing resource use in Linux, it can be used to bench mark a system at rest and then run again to show the impact a particular piece of software may be having. Installing dstat I am using Raspbian and installed dstat using sudo apt install…
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Continue reading →: Raspberry Pi MicroSD Check Using Agnostics via CLI (Raspberry Pi)Towards the beginning of March 2020 raspberrypi.org released a tool to check the speed of a microSD card being used by the Raspberry Pi. The details for this tool, called “agnostics” can be found at https://www.raspberrypi.org/blog/sd-card-speed-test/ or if you want to install the tool then use sudo apt install agnostics…
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Continue reading →: Viewing All Users Cron Tabs / Cron Jobs (Linux)I have looked at cron before, but what if someone else has gained access to your Linux system and added a cron job without your knowledge? Linux systems such as Raspbian store the crontabs as files (named for each user). A user’s crontab can be found under the /var/spool/cron/crontabs directory.…
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Continue reading →: TCPDump (Raspberry Pi)What is tcpdump? TCP (Transmission Control Protocol) is a communication standard that devices use to talk establish communications between each other. The communication then takes place in packets. Normally a lot of the communication between devices is hidden away from us humans as we don’t need to see our computer…
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Continue reading →: Ansible In A Docker ContainerAnsible and Docker are both powerful tools and in this blog post I aim to look at putting Ansible in a Docker container. I’m building on the work of https://hub.docker.com/r/philm/ansible_playbook/dockerfile/ Run Commands: docker run -v “$(pwd)”:/ansible/playbooks geektechstuff/ansible_container:latest playbook.yml -i inventory_file_name Switches: -v maps a directory into the container (in above…
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Continue reading →: Registers / General Purpose Registers (GPR)
More of a personal post as I get to grips with Registers / General Purpose Registers (GPR) and start making notes. The 8 GPR have existed since the 8-bit Intel x86 processor, and they can be viewed using a debugged such as GDB. After the 16-bit era, the 32-bit era…
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Continue reading →: Royal Mail Video Game StampsWhilst growing up I had (and still have) many geeky hobbies, but one I never got into was stamp collecting. Recently though I saw some stamps and decided to visit Royal Mail’s special stamp site (https://shop.royalmail.com/special-stamp-issues) to pick them up as a gift. They’ve arrived and, as a geek and…
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Welcome to GeekTechStuff
My home away from home and where I will be sharing my adventures in the world of technology and all things geek.
The technology subjects have varied over the years from Python code to handle ciphers and Pig Latin, to IoT sensors in Azure and Python handling Bluetooth, to Ansible and Terraform and material around DevOps.
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