I am here looking for the installation of the tutorial

1. https://www.jianshu.com/p/8e9dfac49670

2. https://www.bilibili.com/video/av73688342

When I enter account password change password to use
Sudo apt install ubuntu
Install a graphical interface when the pop-up error
Unable to locate package
So I am
https://blog.csdn.net/a_hui_tai_lang/article/details/82957185

to find the solutionMethods that use the command
Apt to get the update or apt - get upgrade
Can be updated, after the update using the command
Apt to get the install ubuntu
You can install a graphical interface
But do not know why update speed is too slow
Checked the
Download the original source in a foreign country, so the download speed is slow, need to change the source
In the source method from the following url
https://www.jianshu.com/p/20f2186d9cbb
When I enter
Sudo gedit/etc/apt/sources. The list after
Pop up again the wrong
Sudo gedit: Command not found
Solve gedit not found the party from
https://blog.csdn.net/qq_36761831/article/details/87034857
The original gedit is damaged or missing
Do not have a thing to reinstall gedit
But,,,, but,,,,,,,
It's not a question of installation again?
Install the speed is too slow
Is there any quick solution
I really don't want to fuck white
But I have STH over and over again for nearly a day
Small white just touch what all don't know it's not easy
Many methods of the Internet have seen the
Online to answer