man xkeyboard-config
setxkbmap -layout us,ru
setxkbmap -option 'grp:caps_toggle'
git clone -b $(curl -L https://grpc.io/release) https://github.com/grpc/grpc
cd grpc
git submodule update --init
make
sudo make install # <<< установка grpc
cd third_party/protobuf
make && sudo make install
pkg-config --libs grpc
-L/usr/local/lib -lgrpc
pkg-config --libs protobuf
-L/usr/local/lib -lprotobuf -pthread -lpthread