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2021-09-06 07:43:27 -0500 answered a question ERROR: cannot launch node of type [name of node]

the workaround here is sourcing the package path manually: add this to your .bashrc file and source bachrc export ROS_P

2021-08-22 06:58:34 -0500 answered a question Unmet dependencies when installing Melodic on Ubuntu 18.04

Although I removed and purged all ros-kinetic packages prior to upgrading from Ubuntu 16 to 18, I still encountered this

2021-07-18 10:26:29 -0500 answered a question ´libroscpp.so: cannot open shared object file: No such file or directory´ Error

add this line to your bashrc file: it should be added last,otherwise it doesn't work export LD_LIBRARY_PATH=/opt/ros/ki

2021-02-22 11:26:48 -0500 commented answer ImportError: dynamic module does not define module export function (PyInit__tf2)

this istruction messed up my ros. now my roscore doesnt run and i guess it disables the library path to dynamic librarie

2021-02-22 11:19:01 -0500 answered a question Can"t find libroscpp.so fedora 21

The above problem with roscore is because the path has changed. You need to add the following to the last line of ~/.bas

2021-02-22 09:46:01 -0500 commented answer ImportError: dynamic module does not define module export function (PyInit__tf2)

this istruction messed up my ros. now my roscore doesnt run and i guess it disables the library path to dynamic librarie

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