root@vm-25:~# grep CONFIG_TUN /boot/config-`uname -r`
grep: /boot/config-3.13.0-5-generic: No such file or directory
root@vm-25:~#
root@vm-25:~# modprobe tun
libkmod: ERROR ../libkmod/libkmod.c:554 kmod_search_moddep: could not open moddep file '/lib/modules/3.13.0-5-generic/modules.dep.bin'
root@vm-25:~# lsmod | grep tun
ip_tunnel 23842 1 ip_gre
root@vm-25:~#


Bu arada güncellemede hata veriyor

Aborting
Reading package lists... Done
Building dependency tree
Reading state information... Done
Building data structures... Done
=== Command detached from window (Wed Mar 26 23:09:01 2014) ===
=== Command terminated with exit status 1 (Wed Mar 26 23:09:01 2014) ===