Useful UNIX tools

Permissions related

1. To enable readability of files for all

setfacl -m other:r-x */*
chmod og+rx */*

make your home directory readable

nfs4_setfacl -a A::<USER>@ds.leeds.ac.uk:RX $HOME

Background tasks after log out

1. Screen

   •  ssh -Y $USER@<host>
      screen -S <task-related-name>
      < Start whatever process >
     

   • Detach the screen with: cntrl + a+ d

   • Exit and return later

   exit
   < some time later... >
   ssh -Y $USER@<host>
   screen -r <task-related-name>
   <horrah its done>
   exit  
   

   • screen ls and screen kill are useful commands for multiple screens