blender : JackShmReadWritePtr – Init not done

Cannot connect to server socket err = No such file or directory
Cannot connect to server request channel
jack server is not running or cannot be started
JackShmReadWritePtr::~JackShmReadWritePtr – Init not done for 4294967295, skipping unlock
JackShmReadWritePtr::~JackShmReadWritePtr – Init not done for 4294967295, skipping unlock
Cannot connect to server socket err = No such file or directory

apt-get install qjackctl and run ‘qjackctl’