Linux

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Ubuntu Setup By Dan Aukes

SSH, Keys, and GPG By Dan Aukes

Tools and topics specific to SSH, GPG, and encryption

ROS2 Tutorial Pages By Dan Aukes

A Walkthrough of current ROS2 topics

IOT Stuff By Dan Aukes

Collection of IOT Notes

Ros Tutorial By Dan Aukes

Lab instructions for setting up ROS

Posts

Install and configure fail2ban

Derived from here: sudo apt install -y fail2ban sudo systemctl enable fail2ban sudo systemctl start fail2ban sudo systemctl status fail2ban config fail2ban for ufw

Post-Install Cleanup steps

sudo apt update #update repositories sudo apt install -f #fix broken packages sudo apt upgrade -y #install any updates sudo snap remove firefox # just to check sudo apt autoremove -y #remove unused packages sudo apt clean sudo reboot 0 # to restart immediately

Post-Install Miscellaneous Steps

Install gnome tweaks sudo apt install gnome-tweaks Tweaking the GUI Open “Extensions” and turn off desktop icons Update firefox settings flatpak firefox settings found in ~/.

99-Locking Down Ubuntu

Set bios admin password check sudoers group, make other users non-admin delete unused / unnecessary accounts reset root password lock all ssh keys with passphrase ensure .

Using ROS2 over VPNs in the Classroom

The purpose of this tutorial is to provide a way to provide access to ROS2 style data collection between computers, when specific kinds of access to the users’ network is restricted.

Demonstrating Unicast in ROS2 with CycloneDDS

This has been converted to a tutorial and moved here

Annual Backup Process

Refresh documents Update cv Update zotero and backup Update idealab website check app passwords https://myaccount.

Disabling Printer Scanning

These don’t seem to fix my problem currently. Use with care.

getting docker networking working with ros2

Deprecated This tutorial is deprecated because it uses ipvlan instead of macvlan, making it not useful for wifi nics it’s about installing docker inside two vms… I have better examples now.

Handy Termux Commands

pkg install openssl openssh gnupg iproute2 pkg install nmap # port scanning pkg install dnsutils # dig pkg install termux-tools termux-setup-storage pkg install python3 git pkg install cmake pip install matplotlib pkg update pkg install tsu # is this necessary?