Sisters Software Upgrade 20240817

GRUB Bootload is installed

• GNU GRUB 2.06 dual boot machine
  • Windows in one partition
  • Ubuntu in the second

Current Install

• Ubuntu 20.04.6 LTS
• focal
• This installation became unstable with some maintenance I did.

New install of Ubuntu

• Used the USB install thumb drive I used on the new NUC
  • Goal is to update only the Ubuntu partition

Steps

• Shutdown if PC is up
• Insert the USB Ubuntu Install Stick - see
  • Turtlebot3_Waffle_NUC_Install_ubuntu_jammy_22.04_20240422#Create_a_USB_Ubuntu_Install_Stick
• Boot
  • At same time tap key F12 until GRUB screen appears. (I had some trouble with this and not sure how I resolved it.)
• Select boot to

   "UEFI: Kingston D....."

• • 
• Select action

   "Try or install Ubuntu"

• Hit a bunch of keys because things weren't happen fast enough for me. I don't know if this was the right thing to do.
• Select
  • "Erase 20.04.06 and Reinstall"
  • 
• Do your standard Ubuntu install
• It worked!

Result

 $ lsb_release -a
     No LSB modules are available.
     Distributor ID:	Ubuntu
     Description:	Ubuntu 22.04.4 LTS
     Release:	        22.04
     Codename:	        jammy

Change User Name

• opps - gave the wrong username

• How do I change my UsernameNe

Add New User Name

 ed@sisters:~$ sudo adduser eepp
     [sudo] password for ed: 
     Adding user `eepp' ...
     Adding new group `eepp' (1001) ...
     Adding new user `eepp' (1001) with group `eepp' ...
     Creating home directory `/home/eepp' ...
     Copying files from `/etc/skel' ...
   New password: 
   BAD PASSWORD: The password is shorter than 8 characters
   Retype new password: 
   passwd: password updated successfully
   Changing the user information for eepp
   Enter the new value, or press ENTER for the default

Full Name []: Ed C Epp Room Number []: Work Phone []: Home Phone []: Other []:

   Is the information correct? [Y/n] Y

 ed@sisters:~$ sudo usermod -aG sudo eepp

 ed@sisters:~$ su - eepp
     Password: 
     To run a command as administrator (user "root"), use "sudo <command>".
     See "man sudo_root" for details.

 eepp@sisters:~$ ls

 eepp@sisters:~$ sudo cp -r /home/ed/logs .
     [sudo] password for eepp: 

 eepp@sisters:~$ ls
     logs

Delete User

Goal is to have all my ROS account consistent accounts across computers consistent with the same user name "eepp". The easiest way to do that appears to create a new account on Sisters for eepp and delete the existing account ed.

 eepp@sisters:~$ sudo deluser ed
   [sudo] password for eepp: 
   Removing user `ed' ...
   Warning: group `ed' has no more members.
   Done.

 eepp@sisters:~$ ls /home/
   ed  eepp