http___blogodat.com_blog_tag_operacionni-sistemi__1.xml
https___answers.ros.org_question_255670_unmet-dependencies-when-simulating-the-installation-of-ros-kinetic-desktop_.xml
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Ако имате инсталация на Ubuntu Server, но по някаква причина ви трябва и графична среда (Gnome, KDE, xfce), много лесно и бързо може да се добави към инсталацията ви. В командния ред се изписва една от следните команди, в зависимост от предпочитаната графична среда. Аз съм почитател на Gnome. За инсталиране на Gnome: sudo apt-get install ubuntu-desktop За инсталиране на KDE: sudo apt-get install kubuntu-desktop За инсталиране на xfce: sudo apt-get install xubuntu-desktop Въвеждате си паролата и изчаквате инсталирането да приключи.
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unmet dependencies when simulating the installation of ros-kinetic-desktop ? I am working on OS- 64 bit Ubuntu 16.04 ( LTS ) architecture - ARM64 , and trying to simulate installation of ros-kinetic-desktop using sudo apt-get install -s ros-kinetic-desktop However, I am ending up with the error The following packages have unmet dependencies: ros-kinetic-desktop:Depends: ros-kinetic-viz but it is not going to be installed E: Unable to correct problems, you have held broken packages Can someone please suggest what I am missing here ? Thank you PS: I tried simulating installation of ros-base and it seems to be working fine. Another note is that I have skipped sudo apt-get updateand just added the ROS sources list manually to software and updates .( This is to avoid updating the packages from all repositories since the system I'm working on might crash with the newer versions of these packages ) Comments Another note is that I have skipped sudo apt-get updateand just added the ROS sources list manually to software and updates So how exactly do you expect apt-get to know where to find packages then? Also: apt-get update does not touch any packages. It just downloads the index. Also, initially I just installed roslaunch package with the same procedure ( without explicit 'apt-get update' ) perfectly fine and then I removed the package ( apt-get purge and apt-get autoremove) and checked the --simulate installation of desktop version and it didn't throw up this error then?