installation of lammps

hi my friends…

i build serial version of lammps on my ubuntu… now i want to build parallel version of lammps on alternative pc with ubuntu 12.04 and i read severel times manual lammps an got help from maling list such as:
http://lammps.sandia.gov/threads/msg12768.html

and several site such as:
http://www.somewhereville.com/?tag=lammps

but i cant successful…

i saw this error in terminal when i type make linux:
cp: cannot create regular file `Obj_linux/Makefile’: Permission denied
make: *** [linux] Error 1

and i use this makefile:

ubuntu_parallel = Ubuntu 9.10, mpicxx (g++), MPICH2 1.2, FFTW 2.1.3

SHELL = /bin/sh

System-specific settings

CC = mpicxx
CCFLAGS = -O -DFFT_FFTW -DLAMMPS_GZIP -DMPICH_IGNORE_CXX_SEEK
DEPFLAGS = -M
LINK = $(CC)
LINKFLAGS = -O
USRLIB = -lfftw
SYSLIB =
ARCHIVE = ar
ARFLAGS = -rc
SIZE = size

Link target

(EXE): (OBJ)
(LINK) (LINKFLAGS) (OBJ) (USRLIB) (SYSLIB) -o (EXE)
(SIZE) (EXE)

Library target

lib: (OBJ) (ARCHIVE) (ARFLAGS) (EXE) $(OBJ)

Compilation rules

.o:.cpp
(CC) (CCFLAGS) -c $<

.d:.cpp
(CC) (CCFLAGS) (DEPFLAGS) < > [email protected]

Individual dependencies

DEPENDS = (OBJ:.o=.d) include (DEPENDS)

please help me…

and if everybody have instruction step by step for install parallel lammps on ubuntu 12.04 pleas give me…

hi my friends..
i build serial version of lammps on my ubuntu.. now i want to build parallel
version of lammps on alternative pc with ubuntu 12.04 and i read severel
times manual lammps an got help from maling list such as:
http://lammps.sandia.gov/threads/msg12768.html
and several site such as:
http://www.somewhereville.com/?tag=lammps
but i cant successful..
i saw this error in terminal when i type make linux:
cp: cannot create regular file `Obj_linux/Makefile': Permission denied
make: *** [linux] Error 1

this error has *nothing* to do with LAMMPS, but is more likely a
testament to you lack of experience with linux in general.
most likely you typed "sudo make linux" at some point without need. to
undo that, try "sudo make clean-linux" and then do *not* use sudo
again.

axel