Monday, 11 March 2019

tutorial for creating a bootable USB Stick on Windows for Ubuntu

Rufus (software for configuring your USB device) seems to be more reliable than some of the other options available on the internet.

source: https://tutorials.ubuntu.com/tutorial/tutorial-create-a-usb-stick-on-windows#0

wifi drops on its own in ubuntu

Seems like it has to do with a default 'power management' option.

  1. sudo ifconfig wlp4s0 down
  2.  
  3. sudo iwconfig wlp4s0 power off
  4.  
  5. sudo ifconfig wlp4s0 up
  6.  
  7. sudo service network-manager restart


source: https://www.quora.com/Why-does-my-WiFi-get-disconnected-on-its-own-in-Ubuntu

Friday, 8 March 2019

'gazebo' in terminal doesn't run properly

gazebo: symbol lookup error: /usr/lib/x86_64-linux-gnu/libgazebo_common.so.9: undefined symbol: _ZN8ignition10fuel_tools12ClientConfig12SetUserAgentERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE



ignition-math version is out of date. sudo apt upgrade libignition-math2



source: https://bitbucket.org/osrf/gazebo/issues/2448/problem-running-gazebo7

Tuesday, 5 March 2019

Mouse click wasn't working properly




If the mouse is working in Safe Mode, there is likely a driver or software conflict. To fix this problem, follow the steps below. Expand the mouse (mice) option in Device Manager by clicking the + symbol. Remove all mice listed by highlighting each device and then pressing the delete key on the keyboard.

> reinstalling driver worked.

source: https://www.computerhope.com/issues/ch000254.htm