Unable to install ros_control on ubuntu 18.04 melodic .

edit

I have tried both . .

sudo apt install ros-melodic-ros-control* ros-melodic-control*

sudo apt-get install ros-melodic-ros-control ros-melodic-ros-controllers

Getting the following errors and warnings

Reading package lists... Done
Building dependency tree       
Reading state information... Done
The following packages were automatically installed and are no longer required:
  linux-headers-4.18.0-21 linux-headers-4.18.0-21-generic
  linux-image-4.18.0-21-generic linux-modules-4.18.0-21-generic
  linux-modules-extra-4.18.0-21-generic
Use 'sudo apt autoremove' to remove them.
The following additional packages will be installed:
  ros-melodic-ackermann-steering-controller ros-melodic-combined-robot-hw
  ros-melodic-combined-robot-hw-tests ros-melodic-controller-manager-tests
  ros-melodic-effort-controllers ros-melodic-force-torque-sensor-controller
  ros-melodic-gripper-action-controller ros-melodic-imu-sensor-controller
  ros-melodic-joint-trajectory-controller
  ros-melodic-rqt-joint-trajectory-controller ros-melodic-velocity-controllers
The following NEW packages will be installed:
  ros-melodic-ackermann-steering-controller ros-melodic-combined-robot-hw
  ros-melodic-combined-robot-hw-tests ros-melodic-controller-manager-tests
  ros-melodic-effort-controllers ros-melodic-force-torque-sensor-controller
  ros-melodic-gripper-action-controller ros-melodic-imu-sensor-controller
  ros-melodic-joint-trajectory-controller ros-melodic-ros-control
  ros-melodic-ros-controllers ros-melodic-rqt-joint-trajectory-controller
  ros-melodic-velocity-controllers
0 upgraded, 13 newly installed, 0 to remove and 25 not upgraded.
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Err:1 http://packages.ros.org/ros/ubuntu bionic/main amd64 ros-melodic-ackermann-steering-controller amd64 0.15.0-0bionic.20190329.165914
  404  Not Found [IP: 140.211.166.134 80]
Err:2 http://packages.ros.org/ros/ubuntu bionic/main amd64 ros-melodic-combined-robot-hw amd64 0.15.1-0bionic.20190320.160509
  404  Not Found [IP: 140.211.166.134 80]
Err:3 http://packages.ros.org/ros/ubuntu bionic/main amd64 ros-melodic-controller-manager-tests amd64 0.15.1-0bionic.20190320.162601
  404  Not Found [IP: 140.211.166.134 80]
Err:4 http://packages.ros.org/ros/ubuntu bionic/main amd64 ros-melodic-combined-robot-hw-tests amd64 0.15.1-0bionic.20190320.163221
  404  Not Found [IP: 140.211.166.134 80]
Err:5 http://packages.ros.org/ros/ubuntu bionic/main amd64 ros-melodic-effort-controllers amd64 0.15.0-0bionic.20190329.170136
  404  Not Found [IP: 140.211.166.134 80]
Err:6 http://packages.ros.org/ros/ubuntu bionic/main amd64 ros-melodic-force-torque-sensor-controller amd64 0.15.0-0bionic.20190329.165504
  404  Not Found [IP: 140.211.166.134 80]
Err:7 http://packages.ros.org/ros/ubuntu bionic/main amd64 ros-melodic-gripper-action-controller amd64 0.15.0-0bionic.20190329.170410
  404  Not Found [IP: 140.211.166.134 80]
Err:8 http://packages.ros.org/ros/ubuntu bionic/main amd64 ros-melodic-imu-sensor-controller amd64 0.15.0-0bionic.20190329.170643
  404  Not Found [IP: 140.211.166.134 80]
Err:9 http://packages.ros.org/ros/ubuntu bionic/main amd64 ros-melodic-joint-trajectory-controller amd64 0.15.0-0bionic.20190329.171202
  404  Not Found [IP: 140.211.166.134 80]
Err:10 http://packages.ros.org/ros/ubuntu bionic/main amd64 ros-melodic-ros-control amd64 0.15.1-0bionic.20190320.163958
  404  Not Found [IP: 140.211.166.134 80]
Err:11 http://packages.ros.org/ros/ubuntu bionic/main amd64 ros-melodic-rqt-joint-trajectory-controller amd64 0.15.0-0bionic.20190329.170951
  404  Not Found [IP: 140.211.166.134 80]
Err:12 http://packages.ros.org/ros/ubuntu bionic/main amd64 ros-melodic-velocity-controllers amd64 0.15.0-0bionic.20190329.171037
  404  Not Found [IP: 140.211.166.134 80]
Err:13 http://packages.ros.org/ros/ubuntu bionic/main amd64 ros-melodic-ros-controllers amd64 0.15.0-0bionic.20190329.172058
  404  Not Found [IP: 140.211.166.134 80]
E: Failed to fetch http://packages.ros ...