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Create the VM(s) where you are going to install the SDN-C cluster on Kubernetes with the following specifications:
| VCPUs | 4 |
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| Disk | 20 GB |
| RAM | 16 GB |
Enable Password
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Do the following steps to enable password logging for a unbuntu user within the VM:
| # | Purpose | Example |
|---|---|---|
| 1 | Create a password for the ubuntu user | ubuntu@sdnc-k8s:~$ sudo passwd ubuntu sudo: unable to resolve host sdnc-k8s Enter new UNIX password: <enter password> Retype new UNIX password: <repeat entering the same password> passwd: password updated successfully |
| 2 | (Optional) Fix the "unable to resolve host" issue | ubuntu@sdnc-k8s:~$ sudo vi /etc/hosts sudo: unable to resolve host sdnc-k8s add the host name to the localhost in the following format:
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| 3 | Config ssh "PasswordAuthentication" to yes | ubuntu@sdnc-k8s:~$ sudo vi /etc/ssh/sshd_config find PasswordAuthentication and set its value to yes, so that the line looks like
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| 4 | Restart sshd to enable the new config | ubuntu@sdnc-k8s:~$ systemctl restart sshd passwd ==== AUTHENTICATING FOR org.freedesktop.systemd1.manage-units === Authentication is required to restart 'ssh.service'. Authenticating as: Ubuntu (ubuntu) Password: ==== AUTHENTICATION COMPLETE === ==== AUTHENTICATING FOR org.freedesktop.systemd1.manage-units === Authentication is required to restart 'passwd.service'. Authenticating as: Ubuntu (ubuntu) Password: ==== AUTHENTICATION COMPLETE === Failed to restart passwd.service: Unit passwd.service not found. |
Turn Off Firewall and Allow all Incoming HTTP Connections through iptables
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