WebMO - Computational chemistry on the WWW
Recent news

WebMO 18.1 is now available for free download!

WebMO 18.1 Pro and Enterprise have a variety of additional features and is available for purchase.

The WebMO app is now available for iOS and Android.

Signup for WebMO workshops this summer 2018

Could not contact remote server: host... Log Out | Topics | Search
Moderators | Edit Profile

WebMO Support Forum » Administering WebMO » Remote Server Manager » Could not contact remote server: host key verification failed « Previous Next »

Author Message
Stephen Jones
Unregistered guest
Posted on Friday, September 04, 2009 - 11:44 pm:   

When trying to add a remote server, I get the following error message:
"Could not contact remote server: host key verification failed"
I have password-less ssh working from the web server (chem, a Sun) to the cluster (daito, Linux). Merely issuing from chem ...
ssh ssj@daito.cs
... logs me into daito.

My fields in Remote Server Manager are:
Server name: daito
Hostname: daito.cs (which is a Linux Cluster)
Cpu cores: 24
Username: ssj
Home Dir: /home/ssj
Scratch Dir: /home/ssj/tmp
Protocol: ssh

My fields in System Manager are:
Server name: chem (which is a Sun running Solaris)
CPU cores: 2
Registered User: Computational Chemistry
Login Message: Welcome to Calculations
System scratch dir: /export/home/webmo/tmp
Queuing system: "Built-in WebMO queue"
Authentication: "Built-in WebMO authentication"
Enable sudo usage: not selected
Store user jobs...: not selected

Note: in /~webmo/cgi-bin/interfaces/globals.int ...
scpOptions=""
scpPath="/bin/scp" (which is correct)
sshOptions=""
sshPath="/bin/ssh" (which is correct)

Please advise. Thanks. :-)
Stephen Jones
Unregistered guest
Posted on Wednesday, October 14, 2009 - 2:00 pm:   

My problem was misunderstanding suexec. After considerable study and effort, I was able to configure suexec to run on the webserver. suexec allowed the script to run as me (as ssj or webmo). That, in turn, allowed password-less ssh to work through the script.

Add Your Message Here
Post:
Username: Posting Information:
This is a public posting area. Enter your username and password if you have an account. Otherwise, enter your full name as your username and leave the password blank. Your e-mail address is optional.
Password:
E-mail:
Options: Post as "Anonymous"
Enable HTML code in message
Automatically activate URLs in message
Action:

Topics | Last Day | Last Week | Tree View | Search | Help/Instructions | Program Credits Administration