Vlad,
I didn't have any issue with default ulimit (**) in a 14.04 machine.
oxTrust and oxauth-rp are loading fine.
I am using Vmware workstation.
(**)
```
root@ubuntu:~# ulimit -a
core file size (blocks, -c) 0
data seg size (kbytes, -d) unlimited
scheduling priority (-e) 0
file size (blocks, -f) unlimited
pending signals (-i) 31040
max locked memory (kbytes, -l) 64
max memory size (kbytes, -m) unlimited
open files (-n) 1024
pipe size (512 bytes, -p) 8
POSIX message queues (bytes, -q) 819200
real-time priority (-r) 0
stack size (kbytes, -s) 8192
cpu time (seconds, -t) unlimited
max user processes (-u) 31040
virtual memory (kbytes, -v) unlimited
file locks (-x) unlimited
root@ubuntu:~# ulimit -n
1024
root@ubuntu:~#
```