how to login with docker mode

[wushuzh]

Hello,

I tried to launch fake-switches in docker mode. But there is an error when I tried to login. Anything (ssh-key?) I should do or config ?

$  docker run -P -d internap/fake-switches
Unable to find image 'internap/fake-switches:latest' locally
latest: Pulling from internap/fake-switches
cd784148e348: Pull complete 
30f71ecab593: Pull complete 
ed606575a835: Pull complete 
9c862b3c365f: Pull complete 
25e4e14c6ee4: Pull complete 
bafad17a0e15: Pull complete 
c999bb1053bf: Pull complete 
615fd324a25d: Pull complete 
e16121dcab90: Pull complete 
ddbd904a78ad: Pull complete 
Digest: sha256:4c250a055173f292c1cd8b2cde2d9644f81a0d0eb4e3efc980f793f0ed12692f
Status: Downloaded newer image for internap/fake-switches:latest
ef26a2ddd08291631dc95186d3703e241b8662e904e9d6b7bb3c664e10c23204

[wushuzh@veronica ~]$ docker ps
CONTAINER ID        IMAGE                    COMMAND                  CREATED             STATUS              PORTS                   NAMES
ef26a2ddd082        internap/fake-switches   "/bin/sh -c 'fake-sw…"   5 seconds ago       Up 2 seconds        0.0.0.0:32768->22/tcp   pedantic_sammet

I am using minikube for my docker env, so I am using vm ip (not 127.0.0.1)

eval $(minikube -p minikube docker-env)
$ minikube ip 
192.168.39.218

The error msg when I try to login the container.

$ ssh 192.168.39.218 -p 32768 -l root
Unable to negotiate with 192.168.39.218 port 32768: no matching key exchange method found. Their offer: diffie-hellman-group1-sha1,diffie-hellman-group14-sha1

[wushuzh]

If I login VM and ssh from there, I can do ssh connection successfully.

Anything I should do if I want to login from my VM host PC ?

$ minikube ssh
                         _             _            
            _         _ ( )           ( )           
  ___ ___  (_)  ___  (_)| |/')  _   _ | |_      __  
/' _ ` _ `\| |/' _ `\| || , <  ( ) ( )| '_`\  /'__`\
| ( ) ( ) || || ( ) || || |\`\ | (_) || |_) )(  ___/
(_) (_) (_)(_)(_) (_)(_)(_) (_)`\___/'(_,__/'`\____)

$ docker ps | head -2
CONTAINER ID        IMAGE                    COMMAND                  CREATED             STATUS              PORTS                   NAMES
ef26a2ddd082        internap/fake-switches   "/bin/sh -c 'fake-sw…"   2 hours ago         Up 2 hours          0.0.0.0:32768->22/tcp   pedantic_sammet
$ ssh root@127.0.0.1 -p 32768
root@127.0.0.1's password: 
switch>

[fbouliane]

fake-switches seems to offer an old ssh cipher that has been deprecated,
we'll try to take a look at it.

In the meanwhile, While this is insecure, you can use command such as ssh -oKexAlgorithms=+diffie-hellman-group1-sha1 ... to accept to connect to host with insecure ciphers.