ブラウザからUbuntuにログインできない - Without haste, but without rest.

ブラウザからUbuntuにログインさせてくれない。
CML^2 Console Server からログインを試みる

****
CML^2 Console Server
****

tab completion works
list available nodes and node labels / IDs with "list"
it's also possible to do a "open /lab_1/n0/0" command

consoles> list
Lab ID Node ID Lines Node Label Lab Title
------------------------------------------------------------------------
03bb9a n2 0,1 PE1 VRF_CE-PE Lab(31-36)
03bb9a n3 0,1 CE_A1 VRF_CE-PE Lab(31-36)
03bb9a n4 0,1 CE_A2 VRF_CE-PE Lab(31-36)
03bb9a n5 0,1 CE_B1 VRF_CE-PE Lab(31-36)
03bb9a n6 0,1 CE_B2 VRF_CE-PE Lab(31-36)
03bb9a n7 0,1 PE2 VRF_CE-PE Lab(31-36)
03bb9a n9 0 ubuntu-0 VRF_CE-PE Lab(31-36)
consoles> open /03bb9a/n9/0

console接続したいのは、ubuntu-0なので
open /Lab ID/Node ID/Lines

consoles> open /03bb9a/n9/0

でログインできた。

****
CML^2 Console Server
****

tab completion works
list available nodes and node labels / IDs with "list"
it's also possible to do a "open /lab_1/n0/0" command

your_hostname login: ubuntu
Password:
Last login: Tue Nov 3 09:19:42 UTC 2020 on ttyS0
Welcome to Ubuntu 18.04.3 LTS (GNU/Linux 4.15.0-66-generic x86_64)

* Documentation: https://help.ubuntu.com
* Management: https://landscape.canonical.com
* Support: https://ubuntu.com/advantage

System information as of Tue Nov 3 09:27:49 UTC 2020

System load: 0.0 Memory usage: 5% Processes: 77
Usage of /: 1.6% of 61.86GB Swap usage: 0% Users logged in: 0

0 packages can be updated.
0 updates are security updates.

Failed to connect to https://changelogs.ubuntu.com/meta-release-lts. Check your Internet connection or proxy settings

To run a command as administrator (user "root"), use "sudo <command>".
See "man sudo_root" for details.

ubuntu@your_hostname:~$

参照したBlog

https://sig9.hatenablog.com/entry/2020/05/13/000000
Cisco CML のコンソールサーバ機能でノードへアクセスする