Disable PasswordAuthentication when using -c ssh

If PasswordAuthentication is enabled (which is the default) ansible will spawn (multiple) ssh's with a password-prompt which corrupts the terminal, and cannot be properly used. So it is better to not allow for password-based authentication using -c ssh. The result is that authentication fails but Ansible continues to work

Disable PasswordAuthentication when using -c ssh
If PasswordAuthentication is enabled (which is the default) ansible will spawn (multiple) ssh's with a password-prompt which corrupts the terminal, and cannot be properly used. So it is better to not allow for password-based authentication using -c ssh. The result is that authentication fails but Ansible continues to work
30f4f83a · Dag Wieers · f9e97531 · 30f4f83a
Commit 30f4f83a authored Aug 28, 2012 by Dag Wieers
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examples/ansible.cfg
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--- a/examples/ansible.cfg
+++ b/examples/ansible.cfg
@@ -76,6 +76,6 @@ remote_port=22
 # will result in poor performance, so use transport=paramiko on older platforms rather than
 # removing it
-ssh_args=-o ControlMaster=auto -o ControlPersist=60s -o ControlPath=/tmp/ansible-ssh-%h-%p-%r
+ssh_args=-o PasswordAuthentication=no -o ControlMaster=auto -o ControlPersist=60s -o ControlPath=/tmp/ansible-ssh-%h-%p-%r