Where is the package manager on new installation of Kubuntu 17.04?

[Shabakthanai]

steven@mydesktop:~$ sudo apt-get update
Ign:1 https://dl.bintray.com/resin-io/debian stable InRelease
Get:2 https://dl.bintray.com/resin-io/debian stable Release [1,878 B]
Hit:2 https://dl.bintray.com/resin-io/debian stable Release ...

Ign:97 http://us.archive.ubuntu.com/ubuntu zesty-backports/restricted amd64 Packages
Reading package lists... Done
W: The repository 'http://us.archive.ubuntu.com/ubuntu zesty Release' does not have a Release file.
N: Data from such a repository can't be authenticated and is therefore potentially dangerous to use.
N: See apt-secure(8) manpage for repository creation and user configuration details.
W: The repository 'http://us.archive.ubuntu.com/ubuntu zesty-updates Release' does not have a Release file.
N: Data from such a repository can't be authenticated and is therefore potentially dangerous to use.
N: See apt-secure(8) manpage for repository creation and user configuration details.
W: The repository 'http://us.archive.ubuntu.com/ubuntu zesty-backports Release' does not have a Release file.
N: Data from such a repository can't be authenticated and is therefore potentially dangerous to use.
N: See apt-secure(8) manpage for repository creation and user configuration details.
E: The repository 'http://security.ubuntu.com/ubuntu zesty-security Release' does no longer have a Release file.
N: Updating from such a repository can't be done securely, and is therefore disabled by default.
N: See apt-secure(8) manpage for repository creation and user configuration details.
steven@mydesktop:~$

That was an attempt to fix broken packages. Or was I supposed to 'sudo dpkg --configure -a' which is coming from a faded memory and is probably incorrect anyway? ...Does that command format the USB3 stick? and install K18.04? If so, as the kids would say, "Sweet".

steven@mydesktop:~$ sudo apt-get install etcher-electron
Reading package lists... Done
Building dependency tree
Reading state information... Done
Some packages could not be installed. This may mean that you have
requested an impossible situation or if you are using the unstable
distribution that some required packages have not yet been created
or been moved out of Incoming.
The following information may help to resolve the situation:

The following packages have unmet dependencies:
etcher-electron : Depends: gconf2 but it is not installable
Depends: libappindicator1 but it is not installable
Depends: libpango1.0-0 but it is not installable
E: Unable to correct problems, you have held broken packages.

Is this fixable?

[GreyGeek]

Ok. Do this:
Download this appimage by clicking on this link:
https://github.com/resin-io/etcher/r...86_64.AppImage

Once it is downloaded into the Download directory use Dolphin to set the execute permission.
Then double click on it from Dolphin.
It will start up and ask if you want to add a desktop icon (Put it in the menu structure). Click no. It will then shortly start up.

[oldgeek]

You make the Appimage executable by right-clicking on the icon, then clicking on 'properties'. When you get that look at the top for the 'Permissions' tab and click on that, then look under the line 'Others'--there's a box which has the phrase 'Is Executable'. Click on that, then click OK, and it's ready to roll.

[Shabakthanai]

How do I use etcher? I am reasonable sure I have installed it properly. I did so as per your instructions. Does it open as a GUI? If so, how do I open it so it appears as in the google description. Does the first box open and require selecting the K18.04 version, the second box identifying the current USB3 disk where I want to place the K18.04 version and 'Flash' to execute the instruction? If so, that will be a very slick program.

Dear Grey Geek, I got so confused with the first attempt to make a USB3 bootable USB in K17.04, that I found a way to install Kubuntu 14.04. It installed quite easy, and works very good. I then installed etcher in the K14.04 OS, but when it finally got installed, I cannot get it to open to the GUI screen. The application is in my /home/downloads folder.

From that point on, I am confused how to get the GUI screen to appear. Etcher appears as a .zip file. When I select the .zip file, I expect it to open a working GUI, but it does not. Thanks for any help! Shab

You can down Etcher following these instructions:

Add Etcher debian repository: (Note: the following command should be on one line):

[FONT=courier new][B][SIZE=1]echo "deb [URL]https://dl.bintray.com/resin-io/debian[/URL] stable etcher" | sudo tee /etc/apt/sources.list.d/etcher.list
[/SIZE][/B][/FONT]


Trust Bintray.com’s GPG key:
sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-keys 379CE192D401AB61


Update and install:
sudo apt-get update
sudo apt-get install etcher-electron

To uninstall later, if you want to:
sudo apt-get remove etcher-electron
sudo rm /etc/apt/sources.list.d/etcher.list
sudo apt-get update

Then plug in your USB stick, fire up Etcher, make sure the USB stick is selected, and then navigate to your Kubuntu 18.04 iso file and select it. Then click "Flash!"

[GreyGeek]

If you installed it using the above method then the app will be listed in the System menu with a CD Icon and the word "Etcher".

The other way to run it is to download the AppImage, set its execute permission using Dolphin, and then double click on the AppImage to run it.