Unable to see UI for JupyterLab for spark 1.x

Tried http://nn02.itversity.com:18081/ , http://nn02.itversity.com:18080/ , but couldn’t find my user id in it


to see the user id ,
for spark 1.x use -


for spark2.x use-


Yes, I have opened those links , but I couldn’t find my user id. I just loaded a file and done action like i.e df.take(2)