perfSONAR User Q&A and Other Discussion

[장민석 <>]

Hi, ALL.

I installed latest perfsonar-toolkit on ubuntu 20.

http://210.110.199.134

But, It shows error message on the first time.

Error loading test listing; measurement archive unreachable.

http://210.110.199.134/esmond/perfsonar/archive/

When I visit the link, It shows the other error.

Proxy Error

The proxy server received an invalid response from an upstream server.

The proxy server could not handle the request

Reason: DNS lookup failure for: localhost

But, I checked and all is fine.

Could you give me hint for resolve the issue?

Best Regards.

Minseok Jang

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I attached logs for your understanding.

# lsb_release -a

No LSB modules are available.

Distributor ID: Ubuntu

Description: Ubuntu 20.04.6 LTS

# apt list perfsonar-toolkit

perfsonar-toolkit/perfsonar-release,now 5.0.4-1 all [installed]

# cat /etc/hosts

127.0.0.1 localhost

# curl localhost/esmond/perfsonar/archive/

...<title>502 Proxy Error</title>...

# cd /etc/apache2/conf-available

# grep -Hrn esmond *

apache-elmond.conf:13:    ProxyPass /esmond/perfsonar/archive http://localhost:5000 status=+I

apache-toolkit_web_gui.conf:54:    RewriteRule ^/esmond/admin/.* https://%{SERVER_NAME}%{REQUEST_URI} [R,L]

# netstat -anp | grep 5000

tcp        0      0 127.0.0.1:5000          0.0.0.0:*               LISTEN      1338/python3

# curl localhost:5000

[]

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Minseok Jang (張旻錫, 장민석)

KREONET Center / Division of Science and Technology Digital Convergence

Korea Institute of Science and Technology Information

Email:

LinkedIn: https://www.linkedin.com/in/msjang

Phone: +82-42-869-1292 / Mobile: +82-10-2630-7480