[kdhingra307]

I was trying to ping BB Z3 from Ubuntu 14.04 , it pings successfully but in Ubuntu 15.10 it doesnot. So I decided to rescue it.

From Ubuntu 15.10 there's interface changing based on Mac Address of Device for ref
networking - Network interface name changes after update to 15.10 - udev changes - Ask Ubuntu
and network-manager dhcp cant run it properly so needed to manual start for ref
TR Forums ? View topic - Syncing music to Blackberry Z10 or Playbook on Linux

Use commands below to connect your BB10 and Ping it successfully

sudo nano /etc/default/grub
change GRUB_CMDLINE_LINUX="" to GRUB_CMDLINE_LINUX="net.ifnames=0 biosdevname=0"    //then BB will be named as usb0 only :P
sudo update-grub
sudo reboot
sudo apt-get install cifs-utils winbind
sudo nano /etc/nsswitch.conf
change hosts: to files wins mdns4_minimal [NOTFOUND=return] dns mdns4
sudo nano /etc/network/interfaces
add these two lines
auto usb0
iface usb0 inet dhcp
//Connect the device
sudo systemctl start [email protected] -l
//it should turn to active now u can ping :)
//anytime it stop ping just run the last command