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Xt error:can't open display;ssh not passing $DISPLAY
- From: "John Curran Jr" <jppcurran at earthlink dot net>
- To: "cygwin-xfree" <cygwin-xfree at cygwin dot com>
- Date: Thu, 18 Jul 2002 17:7:41 -0400
- Subject: Xt error:can't open display;ssh not passing $DISPLAY
- Reply-to: jppcurran at earthlink dot net
Several postings have suggested using secure ssh to display remote clients,
and that ssh should handle details such as passing the $DISPLAY value.
I'm using cygwin version 1.3.11 under Win98(v. 2). I'm starting my server
with startxwin.sh, the first line of which is "export
DISPLAY=127.0.0.1:0.0". That value is there when I echo at the local shell
in X11. My ssh_config file is set to allow X11Forwarding. I'm using ssh
to reach a remote unix system. I can log in but I can't display remote
clients; e.g., I type "xterm &" and get the message "xterm Xt error: cannot
open display: ". And, the variable DISPLAY is empty on the remote system.
Am I missing something obvious?
Below are cygcheck.out, ssh_config, and startxwin.sh.
************ BEGIN cygcheck.out************
Cygwin Win95/NT Configuration Diagnostics
Current System Time: Thu Jul 18 14:36:44 2002
Windows 98 SE Ver 4.10 Build 2222
Path: C:\cygwin\usr\local\bin
C:\cygwin\bin
C:\cygwin\bin
c:\PROGRAM FILES\PKWARE\PKZIPC\
c:\PROGRA~1\MICROS~4\VC98\BIN
c:\MATLAB\BIN
c:\WINDOWS
c:\WINDOWS
c:\WINDOWS\COMMAND
c:\PROGRA~1\TCL\BIN
c:\PROGRA~1\TCLOLD\BIN
SysDir: C:\WINDOWS\SYSTEM
WinDir: C:\WINDOWS
HOME = `C:\cygwin\home\Default'
MAKE_MODE = `unix'
PWD = `/'
USER = `Default'
BIBINPUT = `C:\PCTeX32'
BLASTER = `A220 I5 D1 T4 P330'
CMDLINE = `bash --login -i'
COMSPEC = `C:\WINDOWS\COMMAND.COM'
CYGWIN_ROOT = `c:\cygwin'
INCLUDE = `C:\PROGRA~1\MICROS~4\VC98\INCLUDE'
LIB = `C:\PROGRA~1\MICROS~4\VC98\LIB'
MANPATH = `:/usr/ssl/man'
OLDPWD = `/home/Default'
PROMPT = `$p$g'
PS1 = `\[\033]0;\w\007
\033[32m\]\u@\h \[\033[33m\w\033[0m\]
$ '
SHLVL = `1'
TEMP = `c:\windows\TEMP'
TERM = `cygwin'
TEXINPUT = `C:\PCTeX32\TEXINPUT'
TMP = `c:\windows\TEMP'
WINBOOTDIR = `C:\WINDOWS'
WINDIR = `C:\WINDOWS'
_ = `/usr/bin/cygcheck'
HKEY_CURRENT_USER\Software\Cygnus Solutions
HKEY_CURRENT_USER\Software\Cygnus Solutions\Cygwin
HKEY_CURRENT_USER\Software\Cygnus Solutions\Cygwin\mounts v2
HKEY_CURRENT_USER\Software\Cygnus Solutions\Cygwin\Program Options
HKEY_LOCAL_MACHINE\Software\Cygnus Solutions
HKEY_LOCAL_MACHINE\Software\Cygnus Solutions\Cygwin
HKEY_LOCAL_MACHINE\Software\Cygnus Solutions\Cygwin\mounts v2
(default) = `/cygdrive'
cygdrive flags = 0x00000022
HKEY_LOCAL_MACHINE\Software\Cygnus Solutions\Cygwin\mounts v2\/
(default) = `C:\cygwin'
flags = 0x0000000a
HKEY_LOCAL_MACHINE\Software\Cygnus Solutions\Cygwin\mounts v2\/usr/bin
(default) = `C:\cygwin/bin'
flags = 0x0000000a
HKEY_LOCAL_MACHINE\Software\Cygnus Solutions\Cygwin\mounts v2\/usr/lib
(default) = `C:\cygwin/lib'
flags = 0x0000000a
HKEY_LOCAL_MACHINE\Software\Cygnus Solutions\Cygwin\Program Options
a: fd N/A N/A
c: hd FAT32 19083Mb 19% CP UN
d: fd N/A N/A
e: cd N/A N/A
C:\cygwin / system binmode
C:\cygwin/bin /usr/bin system binmode
C:\cygwin/lib /usr/lib system binmode
. /cygdrive user binmode,cygdrive
Found: C:\cygwin\bin\bash.exe
Found: C:\cygwin\bin\cat.exe
Found: C:\cygwin\bin\cpp.exe
Found: C:\cygwin\bin\find.exe
Found: c:\WINDOWS\COMMAND\find.exe
Warning: C:\cygwin\bin\find.exe hides c:\WINDOWS\COMMAND\find.exe
Found: C:\cygwin\bin\gcc.exe
Found: C:\cygwin\bin\gdb.exe
Found: C:\cygwin\bin\ld.exe
Found: C:\cygwin\bin\ls.exe
Found: C:\cygwin\bin\make.exe
Found: C:\cygwin\bin\sh.exe
22k 2001/12/13 C:\cygwin\bin\cygintl-1.dll - os=4.0 img=1.0 sys=4.0
"cygintl-1.dll" v0.0 ts=2001/12/13 4:28
45k 2001/04/25 C:\cygwin\bin\cygform5.dll - os=4.0 img=1.0 sys=4.0
"cygform5.dll" v0.0 ts=2001/4/25 1:28
26k 2001/04/25 C:\cygwin\bin\cygmenu5.dll - os=4.0 img=1.0 sys=4.0
"cygmenu5.dll" v0.0 ts=2001/4/25 1:27
156k 2001/04/25 C:\cygwin\bin\cygncurses++5.dll - os=4.0 img=1.0 sys=4.0
"cygncurses++5.dll" v0.0 ts=2001/4/25 1:29
226k 2001/04/25 C:\cygwin\bin\cygncurses5.dll - os=4.0 img=1.0 sys=4.0
"cygncurses5.dll" v0.0 ts=2001/4/25 1:17
15k 2001/04/25 C:\cygwin\bin\cygpanel5.dll - os=4.0 img=1.0 sys=4.0
"cygpanel5.dll" v0.0 ts=2001/4/25 1:27
35k 2002/01/09 C:\cygwin\bin\cygform6.dll - os=4.0 img=1.0 sys=4.0
"cygform6.dll" v0.0 ts=2002/1/9 1:03
20k 2002/01/09 C:\cygwin\bin\cygmenu6.dll - os=4.0 img=1.0 sys=4.0
"cygmenu6.dll" v0.0 ts=2002/1/9 1:03
175k 2002/01/09 C:\cygwin\bin\cygncurses++6.dll - os=4.0 img=1.0 sys=4.0
"cygncurses++6.dll" v0.0 ts=2002/1/9 1:03
202k 2002/01/09 C:\cygwin\bin\cygncurses6.dll - os=4.0 img=1.0 sys=4.0
"cygncurses6.dll" v0.0 ts=2002/1/9 1:03
12k 2002/01/09 C:\cygwin\bin\cygpanel6.dll - os=4.0 img=1.0 sys=4.0
"cygpanel6.dll" v0.0 ts=2002/1/9 1:03
40k 2001/11/21 C:\cygwin\bin\cygpcre.dll - os=4.0 img=1.0 sys=4.0
"cygpcre.dll" v0.0 ts=2001/11/21 17:15
39k 2001/11/21 C:\cygwin\bin\cygpcreposix.dll - os=4.0 img=1.0 sys=4.0
"cygpcreposix.dll" v0.0 ts=2001/11/21 17:15
106k 2002/06/12 C:\cygwin\bin\cygexpat-0.dll - os=4.0 img=1.0 sys=4.0
"cygexpat-0.dll" v0.0 ts=2002/6/12 11:58
390k 2000/12/05 C:\cygwin\bin\cygtcl80.dll - os=4.0 img=1.0 sys=4.0
"cygtcl80.dll" v0.0 ts=2000/11/25 20:39
5k 2000/12/05 C:\cygwin\bin\cygtclpip80.dll - os=4.0 img=1.0 sys=4.0
10k 2000/12/05 C:\cygwin\bin\cygtclreg80.dll - os=4.0 img=1.0 sys=4.0
"cygtclreg80.dll" v0.0 ts=2000/11/25 20:39
81k 2000/12/05 C:\cygwin\bin\cygitcl30.dll - os=4.0 img=1.0 sys=4.0
"cygitcl30.dll" v0.0 ts=2000/11/25 20:43
35k 2000/12/05 C:\cygwin\bin\cygitk30.dll - os=4.0 img=1.0 sys=4.0
"cygitk30.dll" v0.0 ts=2000/11/25 20:43
623k 2000/12/05 C:\cygwin\bin\cygtk80.dll - os=4.0 img=1.0 sys=4.0
"cygtk80.dll" v0.0 ts=2000/11/25 20:43
19k 2002/02/20 C:\cygwin\bin\cyggdbm.dll - os=4.0 img=1.0 sys=4.0
"cyggdbm.dll" v0.0 ts=2002/2/19 22:05
119k 2002/02/09 C:\cygwin\bin\cygjpeg6b.dll - os=4.0 img=1.0 sys=4.0
"cygjpeg6b.dll" v0.0 ts=2002/2/9 0:19
58k 2002/05/07 C:\cygwin\bin\cygbz2-1.dll - os=4.0 img=1.0 sys=4.0
"cygbz2-1.dll" v0.0 ts=2002/5/7 2:33
6k 2002/06/24 C:\cygwin\bin\cygcharset-1.dll - os=4.0 img=1.0 sys=4.0
"cygcharset-1.dll" v0.0 ts=2002/6/24 14:23
929k 2002/06/24 C:\cygwin\bin\cygiconv-2.dll - os=4.0 img=1.0 sys=4.0
"cygiconv-2.dll" v0.0 ts=2002/6/24 14:24
23k 2002/06/24 C:\cygwin\bin\cygintl-2.dll - os=4.0 img=1.0 sys=4.0
"cygintl-2.dll" v0.0 ts=2002/6/24 0:54
175k 2002/05/24 C:\cygwin\bin\cygpng12.dll - os=4.0 img=1.0 sys=4.0
"cygpng12.dll" v0.0 ts=2002/5/23 22:22
170k 2002/01/21 C:\cygwin\bin\cygpng2.dll - os=4.0 img=1.0 sys=4.0
"cygpng2.dll" v0.0 ts=2002/1/20 20:05
22k 2002/06/09 C:\cygwin\bin\cygpopt-0.dll - os=4.0 img=1.0 sys=4.0
"cygpopt-0.dll" v0.0 ts=2002/6/9 1:45
25k 2002/05/08 C:\cygwin\bin\cygltdl-3.dll - os=4.0 img=1.0 sys=4.0
"cygltdl-3.dll" v0.0 ts=2002/5/8 19:46
1248k 2002/03/17 C:\cygwin\bin\cygxml2-2.dll - os=4.0 img=1.0 sys=4.0
"cygxml2-2.dll" v0.0 ts=2002/3/16 22:45
50k 2002/03/17 C:\cygwin\bin\cygexslt-0.dll - os=4.0 img=1.0 sys=4.0
"cygexslt-0.dll" v0.0 ts=2002/3/17 1:24
152k 2002/03/17 C:\cygwin\bin\cygxslt-1.dll - os=4.0 img=1.0 sys=4.0
"cygxslt-1.dll" v0.0 ts=2002/3/17 1:19
15k 2002/03/17 C:\cygwin\bin\cygxsltbreakpoint-1.dll - os=4.0 img=1.0
sys=4.0
"cygxsltbreakpoint-1.dll" v0.0 ts=2002/3/17 1:24
253k 2002/02/10 C:\cygwin\bin\cygtiff3.dll - os=4.0 img=1.0 sys=4.0
"cygtiff3.dll" v0.0 ts=2002/2/10 3:34
50k 2002/03/12 C:\cygwin\bin\cygz.dll - os=4.0 img=1.0 sys=4.0
"cygz.dll" v0.0 ts=2002/3/11 23:38
306k 2002/04/27 C:\cygwin\bin\cyghttpd.dll - os=4.0 img=1.0 sys=4.0
"cyghttpd.dll" v0.0 ts=2002/4/27 9:23
621k 2002/05/17 C:\cygwin\bin\cygcrypto.dll - os=4.0 img=1.0 sys=4.0
"cygcrypto.dll" v0.0 ts=2002/5/17 8:24
156k 2002/05/17 C:\cygwin\bin\cygssl.dll - os=4.0 img=1.0 sys=4.0
"cygssl.dll" v0.0 ts=2002/5/17 8:24
874k 2002/06/24 C:\cygwin\bin\cygwin1.dll - os=4.0 img=1.0 sys=4.0
"cygwin1.dll" v0.0 ts=2002/6/23 22:31
Cygwin DLL version info:
DLL version: 1.3.11
DLL epoch: 19
DLL bad signal mask: 19005
DLL old termios: 5
DLL malloc env: 28
API major: 0
API minor: 53
Shared data: 3
DLL identifier: cygwin1
Mount registry: 2
Cygnus registry name: Cygnus Solutions
Cygwin registry name: Cygwin
Program options name: Program Options
Cygwin mount registry name: mounts v2
Cygdrive flags: cygdrive flags
Cygdrive prefix: cygdrive prefix
Cygdrive default prefix:
Build date: Sun Jun 23 22:31:15 EDT 2002
CVS tag: cygwin-1-3-11-3
Shared id: cygwin1S3
Cygwin Package Information
Last downloaded files to: C:\My Music
Last downloaded files from: ftp://ftp.lug.udel.edu/pub/cygwin
Package Version
_update-info-dir 00011-1
apache 1.3.24-5
ash 20020131-1
autoconf 2.53a-1
autoconf-devel 2.53a-1
autoconf-stable 2.13-4
automake 1.6.1-1
automake-devel 1.6.1-3
automake-stable 1.4p5-5
bash 2.05a-3
binutils 20011002-1
bison 1.35-1
byacc 1.9-1
bzip2 1.0.2-2
ccache 1.9-1
crypt 1.0-1
ctags 5.2-1
cvs 1.11.0-1
cygutils 1.1.1-1
cygwin 1.3.11-3
cygwin-doc 1.0-1
dejagnu 20010117-1
diff 1.0-1
diffutils 2.8.1-1
ed 0.2-1
enscript 1.6.3-2
expat 1.95.3-2
expect 20010117-1
figlet 2.2-1
fileutils 4.1-1
findutils 4.1.7-4
flex 2.5.4-2
gawk 3.0.4-1
gcc 2.95.3-5
gdb 20010428-3
gdbm 1.8.0-4
gettext 0.11.2-2
gettext-devel 0.11.2-2
gperf 0.0
Xt error:can't open display;ssh not passing $DISPLAYgrep
2.5-1
groff 1.17.2-1
gzip 1.3.2-1
indent 2.2.8-1
inetutils 1.3.2-18
irc 20010101-1
jpeg 6b-7
less 374-1
libbz2_1 1.0.2-2
libcharset1 1.8-2
libiconv 1.8-2
libiconv2 1.8-2
libintl1 0.10.40-1
libintl2 0.11.2-2
libncurses5 5.2-1
libncurses6 5.2-8
libpng 1.2.3-1
libpng12 1.2.3-1
libpng2 1.0.12-1
libpopt0 1.6.4-4
libreadline4 4.1-2
libreadline5 4.2a-1
libtool 20020202a-1
libtool-devel 20020502-2
libtool-stable 1.4.2-2
libxml2 2.4.17-1
libxslt 1.0.13-1
login 1.4-3
m4 0.0
make 3.79.1-7
man 1.5g-2
mingw-runtime 2.0-2
mktemp 1.4-1
mod_auth_mysql 1.11-1
mod_auth_ntsec 1.7-1
mod_dav 1.0.3-1.3.6-1
mod_php4 4.2.0-1
mod_ssl 2.8.8-1.3.24-1
more 2.11o-1
ncftp 3.1.3-1
ncurses 5.2-8
newlib-man 20001118-1
openssh 3.4p1-1
openssl 0.9.6d-1
openssl-devel 0.9.6d-1
pcre 3.7-1
perl 5.6.1-2
pkgconfig 0.12.0-1
popt 1.6.4-4
postgresql 7.2.1-2
rcs 5.7-3
readline 4.2a-1
rsync 2.5.5-1
sed 3.02-1
sh-utils 2.0-2
swig 1.3.11-1
tar 1.13.19-1
tcltk 20001125-1
tcp_wrappers 7.6-1
termcap 20020403-1
terminfo 5.2-3
tetex-beta 20001218-4
texinfo 4.2-3
texmf 20000804-2
texmf-base 20000804-2
texmf-extra 20000804-2
texmf-tiny 20000804-2
textutils 2.0.21-1
tidy 020623-1
tiff 3.5.7-1
ttcp 19980512-1
w32api 1.5-1
which 1.5-1
whois 4.5.17-1
zlib 1.1.4-1
Use -h to see help about each section
*******END cygcheck.out***********
*******BEGIN ssh_config**************
# This is ssh client systemwide configuration file. This file provides
# defaults for users, and the values can be changed in per-user
configuration
# files or on the command line.
# Configuration data is parsed as follows:
# 1. command line options
# 2. user-specific file
# 3. system-wide file
# Any configuration value is only changed the first time it is set.
# Thus, host-specific definitions should be at the beginning of the
# configuration file, and defaults at the end.
# Site-wide defaults for various options
# Host *
ForwardAgent yes
ForwardX11 yes
UsePrivilegedPort no
# RhostsAuthentication no
# RhostsRSAAuthentication yes
# RSAAuthentication yes
# PasswordAuthentication yes
# FallBackToRsh no
# UseRsh no
# BatchMode no
# CheckHostIP yes
# StrictHostKeyChecking yes
# IdentityFile ~/.ssh/identity
# IdentityFile ~/.ssh/id_dsa
# IdentityFile ~/.ssh/id_rsa
# Port 22
# Protocol 2,1
# Cipher blowfish
# EscapeChar ~
*********END ssh_config*********
********BEGIN startxwin.sh*******
#! /bin/sh
export DISPLAY=127.0.0.1:0.0
PATH=/usr/X11R6/bin:$PATH
# Cleanup from last run.
rm -rf /tmp/.X11-unix
# Startup the X Server, the twm window manager, and an xterm.
#
# Notice that the window manager and the xterm will wait for
# the server to finish starting before trying to connect; the
# error "Cannot Open Display: 127.0.0.1:0.0" is not due to the
# clients attempting to connect before the server has started, rather
# that error is due to a bug in some versions of cygwin1.dll. Upgrade
# to the latest cygwin1.dll if you get the "Cannot Open Display" error.
# See the Cygwin/XFree86 FAQ for more information:
# http://xfree86.cygwin.com/docs/faq/
#
# The error "Fatal server error: could not open default font 'fixed'" is
# caused by using a DOS mode mount for the mount that the Cygwin/XFree86
# fonts are accessed through. See the Cygwin/XFree86 FAQ for more
# information:
# http://xfree86.cygwin.com/docs/faq/cygwin-xfree-faq.html#q-error-font-eof
# Start the X Server.
XWin -screen 0 1024 768 &
# Start the twm window manager.
twm &
# Set a background color to hide that nasty X stipple.
xsetroot -solid aquamarine4
# Start an xterm.
xterm -n xterm-1 -j -ls -sb -sl 500 -rightbar -geometry +361+0 -e bash &
# Return from sh.
exit
*********END startxwin.sh********
--- John Curran
--- jppcurran@earthlink.net