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- The remote Linux system must have access to the public IP address and the SSH port of the Charon-SSH host instance in the cloud.
- The private key necessary to access the instance must be available on the remote Linux system. The key-pair required to access the cloud instance is typically associated with the instance when it is created.
Please note: If the key-pair is not created automatically during the launch of the instance, you can create it using a command similar to the following:# ssh-keygen -t rsa -b 4096 -f ~/.ssh/<keyname> -q
The resulting key-pair can then be associated with instance during instance creation and used to create an encrypted SSH connection. - The
If the Linux host system runs RHEL, CentOS, or Oracle Linux 7.x the bridge-utils package must be installed
on the Charon host, and the, if the Charon Manager configuration options (vs. manual configuration) are to be used.
- The autossh package must be installed on the remote Linux system.
- The Charon host must allow SSH tunnels. This is preconfigured on Charon-SSP marketplace images. On conventional RPM installations, make sure that PermitTunnel is set to yes in /etc/ssh/sshd_config. If the root user is to be used for the tunnel creation, a key-based login should be set up for this user (PermitRootLogin set to without-password), Restart the SSH daemon after changes to the file (
#
systemctl restart sshd
).
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