¿No puede instalar Thesql-workbench para Ubuntu 16.04 Lts?

Busqué varias respuestas pero ninguna resolvió mi problema.
Primero, probé sudo apt install mysql-workbench -f .

Se muestra

The following packages have unmet dependencies:  mysql-workbench :
Depends: libgdal.so.1-1.11.3
                   Depends: libgdal1i (>= 1.8.0) but it is not going to be installed
                   Recommends: mysql-utilities but it is not going to be installed 
E: Unable to correct problems, you have held broken
packages.

Si intento instalar libgdal1i , se mostrará

The following packages have unmet dependencies:  libgdal1i : Depends:
libarmadillo6 but it is not going to be installed
             Depends: libhdf5-10 but it is not going to be installed
             Depends: libnetcdf11 (>= 4.0.1) but it is not going to be installed 
E: Unable to correct problems, you have held broken packages.

No hay fin de esta historia. Intenté instalar un dep, pero siempre me dice que falta otro y que es necesario instalarlo.
Además, no sé por qué dice E: Unable to correct problems, you have held broken . Revisé synaptic ->custom filters ->broken , no hay nada.

Además, probé sudo aptitude install mysql-workbench -f ya que otras publicaciones decían aptitude es mejor.

The following packages have unmet dependencies:  libgfortran3 :
Depends: gcc-5-base (= 5.3.1-14ubuntu2) but 5.4.0-6ubuntu1~16.04.1 is
installed.  mysql-connector-python : Conflicts: python-mysql.connector
but 2.0.4-1 is to be installed. The following actions will resolve
these dependencies:

      Keep the following packages at their current version: 
1)      libarmadillo6 [Not Installed]   
2)      libarpack2> [Not Installed]   
3)      libgdal1i [Not Installed]
4)      libgfortran3 [Not Installed] 
5)      libhdf5-10 [Not Installed]  
6)      liblapack3 [Not Installed]                        
7)      libnetcdf11 [Not Installed]
8)      mysql-connector-python [Not Installed]
9)      mysql-utilities [Not Installed]
10)     mysql-workbench [Not Installed]                    



Accept this solution? [Y/n/q/?]  No packages will be installed,
upgraded, or removed. 0 packages upgraded, 0 newly installed, 0 to
remove and 0 not to upgrade. Need to get 0 B of archives. After
unpacking 0 B will be used.

Acepté la solución escribiendo enter , como puede ver, el problema no está resuelto.

En el último, intenté descargar .deb desde el sitio oficial e instalar. No hubo suerte y se solicitaron errores similares.

Al ingresar apt-cache policy mysql-workbench libgdal1i gcc-5-base libhdf5-10 , muestra:

mysql-workbench:   
   Installed: (none)
   Candidate: 6.3.6+dfsg-0ubuntu1  Version table:
         6.3.6+dfsg-0ubuntu1 500
            500 http://au.archive.ubuntu.com/ubuntu xenial/universe amd64 Packages 

libgdal1i:   
   Installed: (none)
   Candidate:    1.11.3+dfsg-3build2
   Version table:
         1.11.3+dfsg-3build2 500
            500 http://au.archive.ubuntu.com/ubuntu xenial/universe amd64 Packages 

gcc-5-base:
   Installed: 5.4.0-6ubuntu1~16.04.1
   Candidate: 5.4.0-6ubuntu1~16.04.1
   Version table:
  *** 5.4.0-6ubuntu1~16.04.1 100
            100 /var/lib/dpkg/status
         5.3.1-14ubuntu2 500
            500 http://au.archive.ubuntu.com/ubuntu xenial/main amd64 Packages 

libhdf5-10:
   Installed: (none)
   Candidate:  1.8.16+docs-4ubuntu1
   Version table:
         1.8.16+docs-4ubuntu1 500
            500 http://au.archive.ubuntu.com/ubuntu xenial/universe amd64 Packages

El resultado de apt-cache policy libgfortran3 libarmadillo6 libnetcdf11 python-mysql.connector es

libgfortran3:
Installed: 5.3.1-14ubuntu2
Candidate: 5.3.1-14ubuntu2
Version table:
*** 5.3.1-14ubuntu2 500
500 http://au.archive.ubuntu.com/ubuntu xenial/main amd64 Packages
100 /var/lib/dpkg/status
libarmadillo6:
Installed: 1:6.500.5+dfsg-1
Candidate: 1:6.500.5+dfsg-1
Version table:
*** 1:6.500.5+dfsg-1 500
500 http://au.archive.ubuntu.com/ubuntu xenial/universe amd64 Packages
100 /var/lib/dpkg/status
libnetcdf11:
Installed: 1:4.4.0-2
Candidate: 1:4.4.0-2
Version table:
*** 1:4.4.0-2 500
500 http://au.archive.ubuntu.com/ubuntu xenial/universe amd64 Packages
100 /var/lib/dpkg/status
python-mysql.connector:
Installed: 2.0.4-1
Candidate: 2.0.4-1
Version table:
*** 2.0.4-1 500
500 http://au.archive.ubuntu.com/ubuntu xenial/universe amd64 Packages
500 http://au.archive.ubuntu.com/ubuntu xenial/universe i386 Packages
100 /var/lib/dpkg/status

El resultado de grep -v ^# -r /etc/apt/sources.list etc/apt/sources.list.d/*.list es:

Relacionado:¿Alguna forma segura de eliminar el software GNOME en 16.04 e instalar el clásico Centro de software de Ubuntu?

/etc/apt/sources.list:
/etc/apt/sources.list:deb http://au.archive.ubuntu.com/ubuntu/ xenial main restricted
/etc/apt/sources.list:
/etc/apt/sources.list:
/etc/apt/sources.list:deb http://au.archive.ubuntu.com/ubuntu/ xenial universe
/etc/apt/sources.list:
/etc/apt/sources.list:deb http://au.archive.ubuntu.com/ubuntu/ xenial multiverse
/etc/apt/sources.list:
/etc/apt/sources.list:
/etc/apt/sources.list:
/etc/apt/sources.list:deb http://apt.postgresql.org/pub/repos/apt/ xenial-pgdg main
/etc/apt/sources.list.d/google-chrome.list:deb [arch=amd64] http://dl.google.com/linux/chrome/deb/ stable main
/etc/apt/sources.list.d/mysql.list:deb http://repo.mysql.com/apt/ubuntu/ xenial mysql-apt-config
/etc/apt/sources.list.d/mysql.list:deb http://repo.mysql.com/apt/ubuntu/ xenial mysql-5.7
/etc/apt/sources.list.d/mysql.list:deb http://repo.mysql.com/apt/ubuntu/ xenial mysql-tools
/etc/apt/sources.list.d/mysql.list:deb-src http://repo.mysql.com/apt/ubuntu/ xenial mysql-5.7
/etc/apt/sources.list.d/slack.list:deb https://packagecloud.io/slacktechnologies/slack/debian/ jessie main
/etc/apt/sources.list.d/sublime-text.list:deb https://download.sublimetext.com/ apt/stable/

Respuesta aceptada:

Parece que olvidaste ejecutar sudo apt-get update antes de instalar MySQL Workbench (el espejo australiano se sincroniza normalmente, tiene la versión correcta de gcc-5-base en el grupo).

Si no ayuda, intente cambiar a Servidor principal (Software y actualizaciones o software-properties-gtk , Software de Ubuntu pestaña, establezca Descargar desde al servidor principal ).

Por supuesto, agregue todos los repositorios oficiales con:

sudo add-apt-repository main
sudo add-apt-repository universe
sudo add-apt-repository multiverse

Asegúrate de haber habilitado xenial-updates y xenial-security secciones:

1. abrir software-properties-gtk
2. ir a Actualizaciones pestaña
3. marque las dos primeras casillas:(xenial-updates) y (xenial-security)
4. ingrese la contraseña, haga clic en Autenticar
5. haga clic en Cerrar , luego Recargar y espera a que termine.

Entonces corre

sudo apt-get update   
sudo apt-get install -f
sudo apt-get upgrade
sudo apt-get dist-upgrade
sudo apt-get install mysql-workbench