i have error with install gmapping
its give me idont have two backage and idont found it can you help me
ksam@ksam-K53SC:~$ sudo apt-get install python-rosinstall python-rosdep ros-indigo-brown-remotelab ros-indigo-control ros-indigo-common-msgs ros-indigo-slam-gmapping ros-indigo-hector-slam Reading package lists... Done Building dependency tree Reading state information... Done E: Unable to locate package ros-indigo-brown-remotelab E: Unable to locate package ros-indigo-control