What password is for this embedded Linux board?

[Robert Willy]

Hi,

The Sitara Starter Kit, which is similar to a BeagleBone Black board, has no
password when I login in at UART serial terminal, i.e. after I enter: root,

m335x-evm login: root

it will login without asking for password.

Now, I want to run a rsync command:

u64@u7696:~$ rsync -rl --delete-after --safe-links p...@192.168.0.112:/{lib,usr} $HOME/rypi/rootfs
p...@192.168.0.112's password:
Permission denied, please try again.
p...@192.168.0.112's password:
Permission denied, please try again.
p...@192.168.0.112's password:
Permission denied (publickey,password).
rsync: connection unexpectedly closed (0 bytes received so far) [Receiver]
rsync error: unexplained error (code 255) at io.c(226) [Receiver=3.1.0]
u64@u7696:~$

it asks for the password. I have tried with direct enter, or something else, all fails.

How to solve this problem?

Thanks,

[lasselangwad...@gmail.com]

haven't used rsync, but..

looks like you are trying to login as user "pi"

try as root instead

-Lasse

[George Neuner]

From the rsync man page:

Some modules on the remote daemon may require authentication. If so,
you will receive a password prompt when you connect. You can avoid
the password prompt by setting the environment variable
RSYNC_PASSWORD to the password you want to use or using the
--password-file option. This may be useful when scripting rsync.


Also, you should set a password on the root account. Although that is
not the issue here, you may find some commands that simply will not
work under an unsecured account.

George

[Robert Willy]

Thanks. I should replace pi with 'root'.
Then, I find that rsync is not installed on the target as it shows:

$ rsync -rl --delete-after --safe-links ro...@192.168.0.112:/{lib,usr} $HOME/rypi/rootfs
sh: rsync: command not found

rsync: connection unexpectedly closed (0 bytes received so far) [Receiver]

rsync error: remote command not found (code 127) at io.c(226) [Receiver=3.1.0]
$

On the host PC, rsync has message, which shows it has been installed.

The above command is a surprise to me, as I run it at the host computer, it says
command not found. But when I simply enter (without the following arguments),
it has echo:
............
$ rsync
rsync version 3.1.0 protocol version 31
Copyright (C) 1996-2013 by Andrew Tridgell, Wayne Davison, and others.
Web site: http://rsync.samba.org/
..............

What is wrong with command 'rsync'?

Do you know how to install rsync on the target?

Thanks,

[Ulf Samuelsson]

You should learn how to build a new linux root file system.
There are plenty of project that may be of help
like Yocto, Angstrom and Buildroot.

BR
Ulf