LinuxQuestions.org - running ssh problem

- Linux - Server (https://www.linuxquestions.org/questions/linux-server-73/)

- - running ssh problem (https://www.linuxquestions.org/questions/linux-server-73/running-ssh-problem-588418/)

running ssh problem

Hi folks,

Ubuntu 7.04 server amd64
router IP - 192.168.0.10

Ubuntu 7.04 desktop
router IP - 192.168.0.11

Server can ssh desktop but desktop can't ssh server.

On desktop
$ ssh -Y satimis@192.168.0.10 rox
password:

Code:

....

(rox:5168): Gtk-warning ** Locale not supported by C library

Using the fallback 'C' locale

Server Rox does not display on desktop.

Any advice? TIA

satimis

First check that basic ssh works. Does

Code:

ssh -Y satimis@192.168.0.10 /bin/bash

give you a shell on server? What does $DISPLAY contain after it? Does xterm succeed to run? Does this work better with untrusted X11 forwarding (-X instead of -Y)? Does rox run from such a session?

Quote:

Originally Posted by raskin (Post 2908548)

First check that basic ssh works. Does

Code:

ssh -Y satimis@192.168.0.10 /bin/bash

give you a shell on server? What does $DISPLAY contain after it? Does xterm succeed to run? Does this work better with untrusted X11 forwarding (-X instead of -Y)? Does rox run from such a session?

Tks for your advice.

On desktop
$ ssh -Y satimis@192.168.0.10 /bin/bash
satimis@192.168.0.10's password:

It just hangs here.

Ah would it be the problem of running xvt on server instead of xterm?

On server:

$ apt-cache policy xvt

Code:

xvt:

  Installed: 2.1-20

  Candidate: 2.1-20

  Version table:

 *** 2.1-20 0

        500 http://us.archive.ubuntu.com feisty/universe Packages

        100 /var/lib/dpkg/status

$ apt-cache policy xterm

Code:

xterm:

  Installed: (none)

  Candidate: 223-1

  Version table:

    223-1 0

        500 http://us.archive.ubuntu.com feisty/main Packages

        100 /var/lib/dpkg/status

If it is this cause, I'll

$ sudo apt-get remove xvt

then

$ sudo apt-get install xterm

TIA

B.R.
satimis

Problem still remains

Hi folks,

Performed following test:-

On server

$ sudo apt-get remove xvt
$ sudo apt-get install xterm

both went through w/o problem.

On desktop:-

$ ssh -Y satimis@192.168.0.10 rox

Code:

satimis@192.168.0.10's password: 



(process:5461): Gdk-WARNING **: locale not supported by C library



(rox:5461): Gtk-WARNING **: Locale not supported by C library.

        Using the fallback 'C' locale.

$ ssh -Y satimis@192.168.0.10 /bin/bash

Code:

satimis@192.168.0.10's password:

Just hung here.

$ ssh -X satimis@192.168.0.10 rox

Code:

satimis@192.168.0.10's password: 



(process:5475): Gdk-WARNING **: locale not supported by C library



(rox:5475): Gtk-WARNING **: Locale not supported by C library.

        Using the fallback 'C' locale.

Problem is NOT solved

B.R.
satimis

What do sshd logs on server contain? What does just 'ssh satimis@192.168.0.10' do?

Quote:

Originally Posted by raskin (Post 2908917)

What do sshd logs on server contain? What does just 'ssh satimis@192.168.0.10' do?

On Desktop

$ ssh satimis@192.168.0.10
satimis@192.168.0.10's password:

Code:

Linux ubuntu 2.6.20-15-generic #2 SMP Sun Apr 15 06:17:24 UTC 2007 x86_64



The programs included with the Ubuntu system are free software;

the exact distribution terms for each program are described in the

individual files in /usr/share/doc/*/copyright.



Ubuntu comes with ABSOLUTELY NO WARRANTY, to the extent permitted by

applicable law.

Last login: Mon Oct  1 12:13:56 2007 from 192.168.0.11

No remote server desktop displayed

$ cat /var/log/auth.log | grep sshd | less

Code:

.....

......

Oct  1 09:04:32 ubuntu sshd[4931]: Accepted password for satimis from 192.168.0.11 port 39662 ssh2

Oct  1 09:04:32 ubuntu sshd[4933]: (pam_unix) session opened for user satimis by (uid=0)

Oct  1 09:07:44 ubuntu sshd[4933]: (pam_unix) session closed for user satimis

Oct  1 09:13:40 ubuntu sshd[4969]: Accepted password for satimis from 192.168.0.11 port 54941 ssh2

Oct  1 09:13:40 ubuntu sshd[4971]: (pam_unix) session opened for user satimis by (uid=0)

Oct  1 09:13:54 ubuntu sshd[4971]: (pam_unix) session closed for user satimis

Oct  1 10:48:24 ubuntu sshd[5458]: Accepted password for satimis from 192.168.0.11 port 51409 ssh2

Oct  1 10:48:24 ubuntu sshd[5460]: (pam_unix) session opened for user satimis by (uid=0)

Oct  1 10:48:42 ubuntu sshd[5460]: (pam_unix) session closed for user satimis

Oct  1 10:49:07 ubuntu sshd[5464]: Accepted password for satimis from 192.168.0.11 port 51410 ssh2

Oct  1 10:49:07 ubuntu sshd[5466]: (pam_unix) session opened for user satimis by (uid=0)

Oct  1 10:57:23 ubuntu sshd[5466]: (pam_unix) session closed for user satimis

Oct  1 10:57:45 ubuntu sshd[5472]: Accepted password for satimis from 192.168.0.11 port 35486 ssh2

Oct  1 10:57:45 ubuntu sshd[5474]: (pam_unix) session opened for user satimis by (uid=0)

Oct  1 10:58:05 ubuntu sshd[5474]: (pam_unix) session closed for user satimis

Oct  1 12:01:07 ubuntu sshd[5531]: Accepted password for satimis from 192.168.0.11 port 36854 ssh2

Oct  1 12:01:07 ubuntu sshd[5556]: (pam_unix) session opened for user satimis by (uid=0)

Oct  1 12:02:22 ubuntu sshd[5556]: (pam_unix) session closed for user satimis

Oct  1 12:12:45 ubuntu sshd[5588]: Accepted password for satimis from 192.168.0.11 port 58368 ssh2

Oct  1 12:12:45 ubuntu sshd[5590]: (pam_unix) session opened for user satimis by (uid=0)

Oct  1 12:13:38 ubuntu sshd[5590]: (pam_unix) session closed for user satimis

Oct  1 12:13:56 ubuntu sshd[5610]: Accepted password for satimis from 192.168.0.11 port 58369 ssh2

Oct  1 12:13:56 ubuntu sshd[5612]: (pam_unix) session opened for user satimis by (uid=0)

(END)

satimis

Looks like 'ssh satimis@192.168.0.10' gives you a shell where you can actually type.. OK, does 'ssh -X satimis@192.168.0.10' do the same? (Try waiting 65 seconds after entering password, there are different timeouts to expire) Is your $HOME writable by you and clear of unwritable hidden files?

Quote:

Originally Posted by raskin (Post 2908959)

Oh I got it.

On desktop
$ ssh satimis@192.168.0.1
and
$ ssh -X satimis@192.168.0.1

both did the same connecting the remote server

$ ls
displayed the files and directories on the server.

However ran;

$ leafpad
and
$ rox
displatying

Code:

(leafpad:5800): Gtk-WARNING **: Locale not supported by C library.

        Using the fallback 'C' locale.

What does it mean?

Quote:

Is your $HOME writable by you and clear of unwritable hidden files?

Sorry I don't follow.

On server
$ ls -l
showing all files are owned by "satimis:satimis" and writable by their owner "-rw-r--r--"

B.R.
satimis

What your $LC_ALL and $LANG on server contain? Anyway, this should be ignorable - it is all about impossibility to meet your supposed country-specific tastes in data representation. It should start anyway. Does rox start when it is just run on server? About writable $HOME - I meant both on desktop and server, but probably it isn't the issue. Is leafpad a window manager, by the way? I do not know, but there are some classes of X programs that need to be the only program of the kind on the $DISPLAY . So it may be the cause.. Try running Xnest with xterm in it, and experiment there, so you will not have conflicts.

Quote:

Originally Posted by raskin (Post 2909119)

Where to check them? On locale/locale.conf?

Quote:

Does rox start when it is just run on server?

Yes, no problem.

Quote:

About writable $HOME - I meant both on desktop and server, but probably it isn't the issue.

Yes, no problem at all on both desktop PC and server.

Quote:

Is leafpad a window manager, by the way? I do not know, but there are some classes of X programs that need to be the only program of the kind on the $DISPLAY . So it may be the cause..

No, it is a GUI text editor. I'm running Fluxbox as window manager/desktop.

Previously both of them worked without problem on this server which has been crashed before when I tried reinstalling "locale". Now this server is a fresh installation with same packages. Before crash "Ubuntu 7.04 desktop" can connect the server with "scp" and "ssh". Nothing has been touched on the desktop PC.

Quote:

Try running Xnest with xterm in it, and experiment there, so you will not have conflicts.

Sorry I don't follow. Is Xnest a package? I start xterm after starting X, the Fluxbox window manager.

B.R.
satimis

Check them just in console..

Code:

echo $LC_ALL ; echo $LANG

Try running

Code:

export LC_ALL=C; export LANG=C

also. Xnest part is irrelevant now. Try also

Code:

strace -f -o leafpad.strace leafpad

and post resulting leafpad.strace.

EDIT: and try running

Code:

xhost + 127.0.0.1

on desktop.

Quote:

Originally Posted by raskin (Post 2909170)

Check them just in console..

Code:

echo $LC_ALL ; echo $LANG

Try running

Code:

export LC_ALL=C; export LANG=C

also. Xnest part is irrelevant now. Try also

Code:

strace -f -o leafpad.strace leafpad

and post resulting leafpad.strace.

EDIT: and try running

Code:

xhost + 127.0.0.1

on desktop.

On server

$ echo $LC_ALL ; echo $LANG

Code:



en_US.UTF-8

$ export LC_ALL=C; export LANG=C
$ export LC_ALL=C ; export LANG=C
Both w/o printout.

$ strace -f -o leafpad.strace leafpad
leadpad started but w/o any printout on console.

On desktop
$ xhost + 127.0.0.1

Code:

127.0.0.1 being added to access control list

satimis

So does leafpad start after all this (if you repeat attempt after xhost on desktop)? If not, try 'strace' way again, wait a minute, terminate it and post leafpad.strace.

Quote:

Originally Posted by raskin (Post 2909586)

So does leafpad start after all this (if you repeat attempt after xhost on desktop)? If not, try 'strace' way again, wait a minute, terminate it and post leafpad.strace.

Sorry I'm not clear of your advice. I don't have leafpad running on the desktop.

Performed following steps:-

On server;
$ echo $LC_ALL ; echo $LANG

Code:



en_HK.UTF-8

This time not "en_US.UTF-8". I did not touch anything on locale config.

$ export LC_ALL=C ; export LANG=C
No complaint.

$ strace -f -o leafpad.strace leafpad
started leafpad locally.

On desktop;
$ xhost + 127.0.0.1

Code:

127.0.0.1 being added to access control list

$ echo $LC_ALL ; echo $LANG

Code:



en_HK.UTF-8

$ export LC_ALL=C ; export LANG=C
No complaint.

$ ssh -Y satimis@102.168.0.10 leafpad

Code:

satimis@192.168.0.10's password

It hung there sometimes.

Then popup;
leafpad: cannot open display.

Remark: Rox, the file manager, is running on both server and desktop.

I found following mistake on server;

$ locale

Code:

locale: Cannot set LC_CTYPE to default locale: No such file or directory

locale: Cannot set LC_MESSAGES to default locale: No such file or directory

locale: Cannot set LC_ALL to default locale: No such file or directory

LANG=en_HK.UTF-8

LC_CTYPE="en_HK.UTF-8"

LC_NUMERIC="en_HK.UTF-8"

LC_TIME="en_HK.UTF-8"

LC_COLLATE="en_HK.UTF-8"

LC_MONETARY="en_HK.UTF-8"

LC_MESSAGES="en_HK.UTF-8"

LC_PAPER="en_HK.UTF-8"

LC_NAME="en_HK.UTF-8"

LC_ADDRESS="en_HK.UTF-8"

LC_TELEPHONE="en_HK.UTF-8"

LC_MEASUREMENT="en_HK.UTF-8"

LC_IDENTIFICATION="en_HK.UTF-8"

LC_ALL=

The first 3 lines are warning. How to fix them? Tks

Edit:

Performed following steps to fix the problem of above warning on the 3 lines mentioned;

$ sudo apt-get install language-pack-en-base

Code:

Reading package lists... Done

Building dependency tree      

Reading state information... Done

The following extra packages will be installed:

  language-pack-en

Recommended packages:

  language-support-en

The following NEW packages will be installed:

  language-pack-en language-pack-en-base

......

......

Setting up language-pack-en (7.04+20070601) ...

Setting up language-pack-en-base (7.04+20070412) ...

Generating locales...

  en_AU.UTF-8... done

  en_BW.UTF-8... done

  en_CA.UTF-8... done

  en_DK.UTF-8... done

  en_GB.UTF-8... done

  en_HK.UTF-8... done

  en_IE.UTF-8... done

  en_IN.UTF-8... done

  en_NZ.UTF-8... done

  en_PH.UTF-8... done

  en_SG.UTF-8... done

  en_US.UTF-8... up-to-date

  en_ZA.UTF-8... done

  en_ZW.UTF-8... done

Generation complete.

$ locale

Code:

LANG=C

LC_CTYPE="C"

LC_NUMERIC="C"

LC_TIME="C"

LC_COLLATE="C"

LC_MONETARY="C"

LC_MESSAGES="C"

LC_PAPER="C"

LC_NAME="C"

LC_ADDRESS="C"

LC_TELEPHONE="C"

LC_MEASUREMENT="C"

LC_IDENTIFICATION="C"

LC_ALL=C

(Remark: what command shall I run here instead of a reboot ?

$ sudo dpkg-reconfigure locales
??? Tks )

Rebooted server.

$ locale

Code:

LANG=en_HK.UTF-8

LC_CTYPE="en_HK.UTF-8"

LC_NUMERIC="en_HK.UTF-8"

LC_TIME="en_HK.UTF-8"

LC_COLLATE="en_HK.UTF-8"

LC_MONETARY="en_HK.UTF-8"

LC_MESSAGES="en_HK.UTF-8"

LC_PAPER="en_HK.UTF-8"

LC_NAME="en_HK.UTF-8"

LC_ADDRESS="en_HK.UTF-8"

LC_TELEPHONE="en_HK.UTF-8"

LC_MEASUREMENT="en_HK.UTF-8"

LC_IDENTIFICATION="en_HK.UTF-8"

LC_ALL=

The warning on 3 lines gone.

$ echo $LC_ALL ; echo $LANG

Code:



en_HK.UTF-8

$ export LC_ALL=C ; export LANG=C
No complaint.

$ strace -f -o leafpad.strace leafpad
started leadpad

On desktop;

$ xhost + 127.0.0.1

Code:



127.0.0.1 being added to access control list

$ echo $LC_ALL ; echo $LANG

Code:



en_HK.UTF-8

$ export LC_ALL=C ; export LANG=C
No complaint.

$ ssh -Y satimis@192.168.0.10 leafpad
satimis@192.168.0.10's password

It just hung here sometimes and then;
leafpad: cannot open display.

satimis

I mean

Code:

 ssh -X satimis@192.168.0.10

strace -f -o leafpad.strace leafpad

Does it work and what does leafpad.strace contain?