./waf: No such file or directory

[Bilal Ahmed]

Hi,

my ./waf command works fine as long as I run it from /ns-3-dev directory, e.g. john@ubuntu:~ns-3-allinone/ns-3-dev$./waf --run scratch/hello-simulator

but it doesn't work if suppose I run it from another directory. It gives me below message:

john@ubuntu:~ns-3-allinone/ns-3-dev/examples/tutorial/$./waf --run hello-simulator

bash: ./waf: No such file or directory.

Please let me know do I have to change bash file or environmental variables etc.

Thanks in Advane

-Ahmed

[Alessandro Russo]

Hi,

to run a program you have to run waf from the ns-3 dir not its subdirs.
e.g.,
john@ubuntu:~ns-3-allinone/ns-3-dev/$ ./waf --run hello-simulator

 Alessandro  R.

-Ahmed

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[Bilal Ahmed]

Thank you.

I thought it is the problem only with me. As in ns2 when an ns command  is run, the symbol % appears regardless of the location.

[El Abdellaouy Hanane]

Hi all,

I'm starting with NS3, I have the same problem with ./waf even when it's run from ns-3 directory ?
Did I miss something while downloading ns3 ? Let me please know what i'm supposed to do to fix it
Thank You

Hanane

[pdbarnes]

Hello Hanane,

To get started, see the Tutorial section Downloading ns-3.  If you download and build it correctly the first time, you should have a file waf in the top level ns-3 directory, which (confusingly) isn't necessarily the top directory installed.  The $ ./build.py command creates the real ns-3 directory inside the ns-3-allinone directory:

$ pwd

ns-3-allinone

$ ls

README         constants.py   dist.py*       ns-3-dev/      util.pyc

build.py*      constants.pyc  download.py*   util.py

$ cd ns-3-dev

$ ls

AUTHORS        VERSION        scratch/       utils.py       wutils.py

CHANGES.html   bindings/      src/           utils.pyc      wutils.pyc

LICENSE        build/         test.py*       waf*

Makefile       doc/           testpy-output/ waf-tools/

README         examples/      testpy.supp    waf.bat*

RELEASE_NOTES  ns3/           utils/         script

You need to start in this directory, which has the waf command script.

Peter

[ES SALHI Afaf]

Hi all,

Im discovering NS3 in order to implement somes simulations. So IM a new user.
I have the same problem and after reading you conversation, i found that i don't have ​
ns-3-dev/ into ns-allinone-3-19 directory!

Could you help me to fix this it pleas?

Thank you!

Afaf

[Konstantinos]

Dear Afaf,

Please study the documentation that Peter has posted. https://www.nsnam.org/docs/tutorial/html/getting-started.html#downloading-ns-3

Do not use ns-3.19 release. It's too old now. Use the latest stable (3.24.1) 

Regards,

K.

[Gunjan Gosain]

Hi All,

I am trying to run first example in NS3. I copied it from tutorial folder to scratch folder and when I'm trying to run it gave me error that no file or directory found:
Plz see the logs below:

gunjan@gunjan-HP-ENVY-Notebook:~/NS3repo/ns-3-allinone/ns-3-dev$ cd scratch/
gunjan@gunjan-HP-ENVY-Notebook:~/NS3repo/ns-3-allinone/ns-3-dev/scratch$ ls
first.cc  scratch-simulator.cc  second.cc  subdir
gunjan@gunjan-HP-ENVY-Notebook:~/NS3repo/ns-3-allinone/ns-3-dev/scratch$ ./waf --run scratch/first

bash: ./waf: No such file or directory

gunjan@gunjan-HP-ENVY-Notebook:~/NS3repo/ns-3-allinone/ns-3-dev/scratch$ pwd
/home/gunjan/NS3repo/ns-3-allinone/ns-3-dev/scratch
gunjan@gunjan-HP-ENVY-Notebook:~/NS3repo/ns-3-allinone/ns-3-dev/scratch$ ls
first.cc  scratch-simulator.cc  second.cc  subdir
gunjan@gunjan-HP-ENVY-Notebook:~/NS3repo/ns-3-allinone/ns-3-dev/scratch$ ./waf --run scratch/scratch-simulatorbash: ./waf: No such file or directory
gunjan@gunjan-HP-ENVY-Notebook:~/NS3repo/ns-3-allinone/ns-3-dev/scratch$ ./waf --run scratch/first.cc

bash: ./waf: No such file or directory

gunjan@gunjan-HP-ENVY-Notebook:~/NS3repo/ns-3-allinone/ns-3-dev/scratch$ ./waf --run scratch/second

bash: ./waf: No such file or directory
 

Plz suggest what possibly is going wrong.

[Gunjan Gosain]

Hi  Alessandro  R,

I seek some help regarding my query above about NS3.

[pdbarnes]

As replied to your duplicate post in another thread, waf only exists in the top level directory. You should not cd to scratch.

Peter

[Gunjan Gosain]

If I shouldn't copy file to scratch then how shall waf get to know about my file (I mean how waf get to know where my file is?)
Files are stored in /NS3repo/ns-3-allinone/ns-3-dev/src/lte/exampleslena-simple-epc.cc
and m doing command ./waf --run /NS3repo/ns-3-allinone/ns-3-dev/src/lte/exampleslena-simple-epc.cc..

what possibly m I doing wrong

[pdbarnes]

Please reread the tutorial which discusses how to run examples. (waf knows all the main programs in the build, so you usually don’t have to give the full path)

Peter

[Gunjan Gosain]

hi All,

I have been trying to first.cc file (after long time) but as soon as I run nothing happens. I tried to build waf again but as soon as I give command to build nothing happens. Following is the command print.

/NS3repo/ns-3-allinone/ns-3-dev$ ./waf build
Waf: Entering directory `/home/.........../NS3repo/ns-3-allinone/ns-3-dev/build'

Not sure what is going wrong.. Can anybody suggest something?

On Friday, 15 March 2013 03:49:15 UTC+1, Engr_ahmed wrote:

[pdbarnes]

Try these until it works.

1. waf configure, then waf build
2. waf clean, then step 1
3. rm -rf build, then step 1

Peter

[ENGR. MUHAMMAD IMRAN SALEEM]

WAF IS A COMMAND TO RUN A BUILD PROGRAM 

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_______________________________

ENGR. MUHAMMAD IMRAN SALEEM 

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Computer Engineering Department

Sir Syed University of Engineering and Technology.

University Road, Karachi 75300, Pakistan.

UAN: 111-994-994

Tel:     3498-8000 , 3498-8001  ,  Ext: 308

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[kimo kama]

Hi everyone,

Actually, I'm here to thank Mr.pdbarnes for his great answer. I was googling for it since 3 days but no one gave me the clear and correct answer like your answer.

It was very helpful, and I fixed my issue through it.

Thanks you and hopefully this message is shown to you.

We might chat again.

Best regards

[Sheikh Sam]

Thank you

[Sheikh Sam]

Hi

have you been using the ns3 ?

saleh

On Wednesday, April 18, 2018 at 4:05:56 PM UTC+1, ENGR. MUHAMMAD IMRAN SALEEM wrote:

WAF IS A COMMAND TO RUN A BUILD PROGRAM 

On Wed, Apr 18, 2018 at 6:42 PM, pdbarnes <pd...@mac.com> wrote:

Try these until it works.

1.  waf configure, then waf build
2.  waf clean, then step 1
3.  rm -rf build, then step 1

Peter

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[parisa fm]

hello
when I use ./ns3 configure
It's said bash: ./ns3: No such file or directory
I'm trying to install Lena https://cttc-lena.gitlab.io/nr/html/getting-started.html
can anyone help me? thanks