You're confusing built binary packages with the underlying source code/package that the packages were built from.
The packages you're referring to are all built from the same source code/package, mutter. You can find that easily by going to packages.ubuntu.com, searching the package you're looking at, and then refer to the "Source package" it refers to. ...
Source packages and binary packages exist separately. Each source package may have multiple binary packages associated with it. This is to say that more than one binary package may be built from the same source package.
One of the common ways this happens is that you have a program, a library that the program uses to do much of its work, and the header ...
First, /usr/local is usually where manually installed packages go (/usr/local/bin). This will override any packages in /usr/bin or other directories used by apt installed packages.
Next, install the build dependencies:
sudo apt build-dep msmtp
Now, cd into the msmtp directory and run the following commands:
sudo make install
The package that you are trying to install is named software-properties-common, not python-software-properties-common. To install software-properties-common in all currently supported versions of Ubuntu open the terminal and type:
sudo apt install software-properties-common
software-properties-common provides an abstraction of the used apt repositories. ...
The simplest way is to create a shell script
pip install numpy
pip install pandas
followed by chmod 0755 scriptname. The "proper" way to do it may be to use a meta-package. See this for details.
I believe that sudo apt-get install orca installs this orca, which is a different software altogether than this orca, which is what Plotly wants.
You can install the correct one with (see the second link for other installation methods):
conda install -c plotly plotly-orca
(2) Are from snap core package and you have 3 versions installed: 6130, 6259, 6350
They don't interfere with system wide programs, they are only used for other snap packages.
(3) It is a locally installed Python2, that will take priority and better to get rid of it if you don't need it.
If you still have the downloaded source, use the uninstall command. If ...
If the above did not work for you, you can install libgd by hand[modified for sudo]:
tar zxvf libgd-2.2.5.tar.gz
sudo make install