Comments (19)
tuanphpvn
commented on May 18, 2024
1
Thank your. U r awesome.
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githubsaturn
commented on May 18, 2024
1
Thanks. It might be worth letting them know about this issue. It means that they do not support docker swarm networking with their default config which is a problem considering how docker is growing. Anyways, I have added some notes to readme for troubleshooting.
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githubsaturn
commented on May 18, 2024
Are you accessing a remote server? Or a VM on your local machine? Do you have firewall setup?
I assume you started off by running the following line?
mkdir /captain && docker run -v /var/run/docker.sock:/var/run/docker.sock dockersaturn/captainduckduck
if so, you can run the following line to see the logs:
docker service logs captain-captain --follow
Please post the logs here to debug.
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tuanphpvn
commented on May 18, 2024
Thank you for your hard work.
But I got another problem. I remove container, docker, even remove docker and install again.
Why docker keep download captainduckduck docker images?
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githubsaturn
commented on May 18, 2024
Please see #12
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tuanphpvn
commented on May 18, 2024
Can you reopen it.
I use this:
sudo ufw allow 3000- Access:
http://139.162.125.94:3000/ - docker service logs captain-captain --follow
And it show nothing. any idea?
Also, I left the swarm with:
docker service rm $(docker service ls -q)
docker swarm leave --force
How can I join it again ? Thanks
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githubsaturn
commented on May 18, 2024
If docker service logs captain-captain --follow doesn't output anything, it means your docker hasn't started Captain yet. But you were saying it automatically reappeared after you stopped it - which means it was running. Did you run the exact installtion line from readme?
mkdir /captain && docker run -v /var/run/docker.sock:/var/run/docker.sock dockersaturn/captainduckduck
When you ran this, did it output anything?
run the following commands:
docker service ls and docker service ps captain-captain to see if there is a running instance of Captain.
PS: answer to your second question: when you run the Captain installation line, it automatically starts a swarm and joins it. It does not work if there is an existing swarm (to avoid accidential double installation due to human error)
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tuanphpvn
commented on May 18, 2024
Here is the output. Please review
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githubsaturn
commented on May 18, 2024
It means CaptainDuckDuck is failing to start. Maybe a not clean captain directory? If you need more help, let's chat over Slack
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sadeden
commented on May 18, 2024
Hi,
I have exactly the same issue here. Any command that we could issue to help debug this ?
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sadeden
commented on May 18, 2024
Actually I found the --no-trunc option of docker service ps and I have another clue :
starting container failed: subnet sandbox join failed for "10.255.0.0/16": error creating vxlan interface: operation not supported This is the error I get. Will investigate this and come back with a solution... I hope.
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sadeden
commented on May 18, 2024
@tuanphpvn maybe you have the same issue as me. My dedicated server came with an "optimised" version of linux Kernel missing the CONFIG_VXLAN option. You should install/compile a proper one.
Hope it helps.
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githubsaturn
commented on May 18, 2024
@sadeden thanks for the info. Mind sharing what server provider you use?
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sadeden
commented on May 18, 2024
I'm using OVH services.
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CoreyTrombley
commented on May 18, 2024
Even after I disabled the firewall ufw disable, I still was unable to connect to external_ip:3000. I checked the logs, everything seemed fine. docker service ps captain-captain did not contain any errors. I really don't know where to go from here.
Any ides or assistance would be greatly appreciated!
edit
I was using a digital ocean $5 one-click docker instance.
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iszlai
commented on May 18, 2024
Have the same issue on linode :
leheli@localhost:/captain$ docker run -v /var/run/docker.sock:/var/run/docker.sock dockersaturn/captainduckduck
npm info it worked if it ends with ok
npm info using [email protected]
npm info using [email protected]
npm info lifecycle [email protected]~prestart: [email protected]
npm info lifecycle [email protected]~start: [email protected]
> [email protected] start /usr/src/app
> node ./bin/www
Captain Starting ...
Installing Captain Service ...
December 11th 2017, 9:56:07.951 pm Starting swarm at 172.104.246.242:2377
Swarm started: 0wkozycr6ewfo9v12pnjpwn9i
npm info lifecycle [email protected]~poststart: [email protected]
npm info ok
leheli@localhost:/captain$ netstat -tunap
(Not all processes could be identified, non-owned process info
will not be shown, you would have to be root to see it all.)
Active Internet connections (servers and established)
Proto Recv-Q Send-Q Local Address Foreign Address State PID/Program name
tcp 0 0 0.0.0.0:22 0.0.0.0:* LISTEN -
tcp 0 0 0.0.0.0:8000 0.0.0.0:* LISTEN 5852/python
tcp 0 0 172.104.246.242:22 80.99.202.213:52946 ESTABLISHED -
tcp 0 0 172.104.246.242:22 115.238.245.2:60187 TIME_WAIT -
tcp 0 432 172.104.246.242:22 80.99.202.213:53029 ESTABLISHED -
tcp6 0 0 :::22 :::* LISTEN -
tcp6 0 0 :::2377 :::* LISTEN -
tcp6 0 0 :::7946 :::* LISTEN -
udp6 0 0 :::7946 :::* -
leheli@localhost:/captain$ docker ps -a
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
d98838d3b6a7 dockersaturn/captainduckduck:0.2.2 "npm start" 4 seconds ago Created captain-captain.1.qyeh6dpw8byuc38zt9e4uzvwe
fbf5b1ec70e8 dockersaturn/captainduckduck:0.2.2 "npm start" 25 seconds ago Created captain-captain.1.rm7chbuoaga3d54ht8mg5xahn
c2a766911101 dockersaturn/captainduckduck:0.2.2 "npm start" 51 seconds ago Created captain-captain.1.wzv7n84sy6z7hgylbmg0sddj1
c358847575ed dockersaturn/captainduckduck:0.2.2 "npm start" 56 seconds ago Created captain-captain.1.r8t4hpwzg4mykt4sk0th1rxvb
ea517e2421d6 dockersaturn/captainduckduck:0.2.2 "npm start" About a minute ago Created captain-captain.1.utz8rjgeiqu4bnha7nefgkqun
ccf1da83b1fc dockersaturn/captainduckduck "npm start" About a minute ago Exited (0) About a minute ago jovial_liskov
16f5a30aff46 dockersaturn/captainduckduck "npm start" 2 minutes ago Exited (0) 2 minutes ago gifted_shockley
f8df66d79065 dockersaturn/captainduckduck "npm start" 17 minutes ago Exited (0) 17 minutes ago laughing_hermann
leheli@localhost:/captain$ docker service logs captain-captain --follow
After checking
leheli@localhost:/captain$ docker service ps captain-captain --no-trunc
ID NAME IMAGE NODE DESIRED STATE CURRENT STATE ERROR PORTS
vej8a3ks59gb008h3fmtvq5dv captain-captain.1 dockersaturn/captainduckduck:0.2.2 localhost Ready Preparing less than a second ago
y30ncpz0gcn3dwzm7dv2k134y \_ captain-captain.1 dockersaturn/captainduckduck:0.2.2 localhost Shutdown Failed about a minute ago "starting container failed: subnet sandbox join failed for "10.255.0.0/16": error creating vxlan interface: operation not supported"
ypds5anzcszyoxklvksc10sam \_ captain-captain.1 dockersaturn/captainduckduck:0.2.2 localhost Shutdown Failed 3 minutes ago "starting container failed: subnet sandbox join failed for "10.255.0.0/16": error creating vxlan interface: operation not supported"
yvizbrcrfku1e5xungr15isx1 \_ captain-captain.1 dockersaturn/captainduckduck:0.2.2 localhost Shutdown Failed 3 minutes ago "starting container failed: subnet sandbox join failed for "10.255.0.0/16": error creating vxlan interface: operation not supported"
xf957gkai44cj3f50iq4yuao9 \_ captain-captain.1 dockersaturn/captainduckduck:0.2.2 localhost Shutdown Failed 4 minutes ago "starting container failed: subnet sandbox join failed for "10.255.0.0/16": error creating vxlan interface: operation not supported"
leheli@localhost:/captain$
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githubsaturn
commented on May 18, 2024
@iszlai this is a typical issue with Docker and Linode. They are using a version of kernel with some limited functionalities. Someone needs to tell them they should default this options to enabled 😕 Anyways.... there is a discussion and possible solution with Linode here: docker/machine#2753 (comment)
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githubsaturn
commented on May 18, 2024
- Can you please output the result of
docker service ps captain-captain --no-trunc? - on your server please do
curl localhost:3000 - Did you use
captainduckduck serversetupand after that you cannot connect to IP:3000? If that's the case, then there is no problem. After initial setup, HTTPS will be enforced and you can only access captain using the URL e.g. captain.something.domain.com
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CoreyTrombley
commented on May 18, 2024
@githubsaturn as of today, I followed the steps and everything seems to be working. It might have been that I was on a public wifi at the time that i needed to "accept" some terms. There may have been some router firewall that I could not control.
Thank you for your support in this matter.
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