Edit preferences and add
"update_check": false,

Technical notes, and other ideas.
Edit preferences and add
"update_check": false,
You can also traverse to mount points on Ubuntu here:
/run/user/1000/gvfs
Download the following file - Used Python 2.7.10 (default, Jul 15 2017, 17:16:57):
Get Script: get-pip.py (txt)
Refer: https://packaging.python.org/tutorials/installing-packages/
$ sudo python get-pip.py
$ sudo pip install requests
Sample Script: monitor_ecommerce_001.py (txt)
$ python monitor_ecommerce_001.py iqa
Legacy upgrade has disabled many plug-ins, you can see what's been removed here:
about:config?filter=extensions.legacy.enabled
Refer: https://www.ostechnix.com/systemback-restore-ubuntu-desktop-and-server-to-previous-state/
Create a system snapshot or even an ISO image of your system.
Use "Point Operations", "Create New" - Other items don't work as well
It takes quite a while to update, for a NetBook the default font was set to 14 points by using: "Appearance"
For Live CD, the username is the upper left hand corner, for example "ubuntu" with a blank password.
Refer: https://askubuntu.com/questions/453482/update-to-14-04-unity-is-not-loading-after-i-login-to-the-admin-profile-after
Switch to terminal (CTRL+ALT+F1) then removing the configuration file ~/.config/dconf/user like this :
Note: You may want to back them up before deleting them; however, this is a binary file, so you cannot edit it manually.
$ sudo service lightdm stop
$ rm ~/.config/dconf/user
$ sudo service lightdm start
You can use the following to backup and restore the configurations in the future, and even put them into a repository such as git.
$ mkdir -p ~/Documents/Backups/config/dconf/user.d
$ dconf dump / > ~/Documents/Backups/config/dconf/user.d/complete.conf
$ cat ~/Documents/Backups/config/dconf/user.d/* | dconf load /
Refer: https://askubuntu.com/questions/72070/how-do-i-change-dconf-keys-without-a-gui-for-a-post-install-script
gsettings set com.canonical.indicator.session show-real-name-on-panel false
No, it will not be deprecated. dconf replaced gconf which will be deprecated. gconf can be changed with gconf-editor or gconftool-2. dconf can be changed with dconf-editor or gsettings.
Quick Tutorial to backup and restore the settings:
http://catern.com/2014/12/21/plain-text-configuration-gnome.html
dconf dump / > ~/.config/dconf/user.d/everything.conf
cat ~/.config/dconf/user.d/* | dconf load /
Refer: https://askubuntu.com/questions/48920/getting-error-with-spell-check-in-nano
Adding spell-check to nano, you can invoke by Ctrl+T
$ sudo nano /etc/nanorc
And uncomment the following line:
set speller "aspell -x -c"
Refer: https://ubuntuforums.org/showthread.php?t=2228531
$ sudo dpkg-reconfigure console-setup
Refer: http://multibootusb.org/page_features/
Refer: unetbootin.sourceforge.net
Originally had much better luck with Windows Version Yumi
Refer: https://www.pendrivelinux.com/yumi-multiboot-usb-creator/