ClusterSSH

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1

I have just upgraded my openSUSE installation from 11.0 to 11.1 which everything is working great. Kudos to the development team and all those involved! I really like 11.1. One problem I have encountered is I cannot get clusterssh working. It appears to install just fine but whenever I try to execute like I did in 11.0 I get the following error:
Connection to server failed – (version 11.0)
No protocol specified
at /usr/local/bin/cssh line 1883

I tried to find a version for 11.1, rpm version that is, but no luck. I even download the source from SourceForge and still nada, same error. Not sure what is going on and looking for some assistance cause I really need clusterssh or another means to connect to several other machines to conduct changes.

Thanks and keep up the great work!

2

Hi
Have you tried rebuilding (see below) the src rpms after a search of the
11.0 rpm at Search?


rpmbuild --rebuild perl-X11-Protocol-0.56-6.1.src.rpm

rpmbuild --rebuild clusterssh-3.19.1-20.1.src.rpm

sudo rpm
-Uhv /usr/src/packages/RPMS/noarch/perl-X11-Protocol-0.56-6.1.noarch.rpm

sudo zypper rpm
-Uhv /usr/src/packages/RPMS/noarch/clusterssh-3.19.1-20.1.noarch.rpm

Note the rpm install commands is all on one line.

Cheers Malcolm °¿° (Linux Counter #276890)
openSUSE 11.1 (i586) Kernel 2.6.27.21-0.1-pae
up 1 day 16:44, 2 users, load average: 0.23, 0.32, 0.18
ASUS eeePC 1000HE ATOM N280 1.66GHz | GPU Mobile 945GM/GMS/GME

3

Hi
Ahh you also need to run xhost + <username> and when finished xhost -
<username> to enable/disable access control on the X server.

–
Cheers Malcolm °¿° (Linux Counter #276890)
openSUSE 11.1 (i586) Kernel 2.6.27.21-0.1-pae
up 1 day 17:00, 2 users, load average: 0.62, 0.42, 0.31
ASUS eeePC 1000HE ATOM N280 1.66GHz | GPU Mobile 945GM/GMS/GME

4 
Hi
Ahh you also need to run xhost + <username> and when finished xhost -
<username> to enable/disable access control on the X server.

I followed the rpmbuild and upgrade and everything went well. When I still try to run cssh name name1 name2 I get the same error:
Connection to server failed – (version 11.0)
No protocol specified
at /usr/local/bin/cssh line 1883

I am confused with the above. Run xhost+<username>. I never had to do that before with ClusterSSH.

5

Hi
Security changes with 11.1 it would appear, did you try it?
xhost + works, but better to include your username so it only relates
to you.

Maybe someone else on the forum could comment on the xhost requirement?

–
Cheers Malcolm °¿° (Linux Counter #276890)
openSUSE 11.1 (i586) Kernel 2.6.27.21-0.1-pae
up 17:42, 1 user, load average: 0.22, 0.17, 0.16
ASUS eeePC 1000HE ATOM N280 1.66GHz | GPU Mobile 945GM/GMS/GME

6

Thanks but still same error.
Connection to server failed – (version 11.0)
No protocol specified
at /usr/local/bin/cssh line 1883

I ran xhost + and my clients were added. I received the message name@host being added to access control list but then I try to run cssh name@host name@host and get the above error.

What is the syntax you are using? Maybe I am not keying it correctly.

Thanks for your help.

7

Hi
I just ran xhost + or xhost + <myusername> in your case <name> if you
use the @ it will in the NIS family. See the man page for xhost.

–
Cheers Malcolm °¿° (Linux Counter #276890)
openSUSE 11.1 (i586) Kernel 2.6.27.21-0.1-pae
up 19:51, 1 user, load average: 0.43, 0.25, 0.14
ASUS eeePC 1000HE ATOM N280 1.66GHz | GPU Mobile 945GM/GMS/GME

8

Thanks I have it working now.

Greatly appreciate your assistance and patience. :wink:

9

Hi
Your welcome :slight_smile:

–
Cheers Malcolm °¿° (Linux Counter #276890)
openSUSE 11.1 (i586) Kernel 2.6.27.21-0.1-pae
up 21:12, 1 user, load average: 0.00, 0.03, 0.03
ASUS eeePC 1000HE ATOM N280 1.66GHz | GPU Mobile 945GM/GMS/GME

10

This problem isn’t limited to SSH. It seems something fundamental is broken in the X11::Protocol module. Even this simple test program breaks:


michael@challenger:~> cat testx.pl 
#!/usr/bin/perl -w
use X11::Protocol;

$xdisplay = X11::Protocol->new();

michael@challenger:~> ./testx.pl 
Name "main::xdisplay" used only once: possible typo at ./testx.pl line 4.
Connection to server failed -- (version 11.0)
No protocol specified
 at ./testx.pl line 4

But X11 is working fine otherwise:


michael@challenger:~> xlsfonts |head -n2
-adobe-courier-bold-o-normal--10-100-75-75-m-60-iso10646-1
-adobe-courier-bold-o-normal--10-100-75-75-m-60-iso10646-1
11

It appears now that I’ve updated to 11.4 this problem is back and I have tried all the above adding xhost + host and I am still getting the error:
Connection to server failed – (version 11.0)
No protocol specified
at /usr/bin/cssh line 2126

line 2126 shows this:

only get xdisplay if we got past usage and help stuff

$xdisplay = X11::Protocol->new();

I am running this version of perl-X11-Protocol-0.56-16.2.x86_64.rpm and this version of clusterssh-3.27-2.9.noarch.rpm.

12

I ran xhost local:<username> as root and clusterssh is working. Not sure what changed but it is working.