Capistrano Deployment Error

Hi,

Unfortunately I have some problems deploying with Capistrano. I followed the instructions and got to the point:

branch=stable cap production deploy

But unfortunately the whole thing gives an error message afterwards. It seems to me that Capistrano is not using the login credentials as requested.

00:00 rvm1:hook
      01 mkdir -p undefined/rvm1scripts/
#<Thread:0x0000562b38f31c68@/home/fabrice/.rbenv/versions/2.6.6/lib/ruby/gems/2.6.0/gems/sshkit-1.21.0/lib/sshkit/runners/parallel.rb:10 run> terminated with exception (report_on_exception is true):
Traceback (most recent call last):
	17: from /home/fabrice/.rbenv/versions/2.6.6/lib/ruby/gems/2.6.0/gems/sshkit-1.21.0/lib/sshkit/runners/parallel.rb:12:in `block (2 levels) in execute'
	16: from /home/fabrice/.rbenv/versions/2.6.6/lib/ruby/gems/2.6.0/gems/sshkit-1.21.0/lib/sshkit/backends/abstract.rb:31:in `run'
	15: from /home/fabrice/.rbenv/versions/2.6.6/lib/ruby/gems/2.6.0/gems/sshkit-1.21.0/lib/sshkit/backends/abstract.rb:31:in `instance_exec'
	14: from /home/fabrice/.rbenv/versions/2.6.6/lib/ruby/gems/2.6.0/gems/rvm1-capistrano3-1.4.0/lib/rvm1/tasks/capistrano3.rake:5:in `block (3 levels) in <top (required)>'
	13: from /home/fabrice/.rbenv/versions/2.6.6/lib/ruby/gems/2.6.0/gems/sshkit-1.21.0/lib/sshkit/backends/abstract.rb:80:in `execute'
	12: from /home/fabrice/.rbenv/versions/2.6.6/lib/ruby/gems/2.6.0/gems/sshkit-1.21.0/lib/sshkit/backends/abstract.rb:148:in `create_command_and_execute'
	11: from /home/fabrice/.rbenv/versions/2.6.6/lib/ruby/gems/2.6.0/gems/sshkit-1.21.0/lib/sshkit/backends/abstract.rb:148:in `tap'
	10: from /home/fabrice/.rbenv/versions/2.6.6/lib/ruby/gems/2.6.0/gems/sshkit-1.21.0/lib/sshkit/backends/abstract.rb:148:in `block in create_command_and_execute'
	 9: from /home/fabrice/.rbenv/versions/2.6.6/lib/ruby/gems/2.6.0/gems/sshkit-1.21.0/lib/sshkit/backends/netssh.rb:130:in `execute_command'
	 8: from /home/fabrice/.rbenv/versions/2.6.6/lib/ruby/gems/2.6.0/gems/sshkit-1.21.0/lib/sshkit/backends/netssh.rb:177:in `with_ssh'
	 7: from /home/fabrice/.rbenv/versions/2.6.6/lib/ruby/gems/2.6.0/gems/sshkit-1.21.0/lib/sshkit/backends/connection_pool.rb:63:in `with'
	 6: from /home/fabrice/.rbenv/versions/2.6.6/lib/ruby/gems/2.6.0/gems/sshkit-1.21.0/lib/sshkit/backends/connection_pool.rb:63:in `call'
	 5: from /home/fabrice/.rbenv/versions/2.6.6/lib/ruby/gems/2.6.0/gems/net-ssh-6.1.0/lib/net/ssh.rb:251:in `start'
	 4: from /home/fabrice/.rbenv/versions/2.6.6/lib/ruby/gems/2.6.0/gems/net-ssh-6.1.0/lib/net/ssh.rb:251:in `new'
	 3: from /home/fabrice/.rbenv/versions/2.6.6/lib/ruby/gems/2.6.0/gems/net-ssh-6.1.0/lib/net/ssh/transport/session.rb:73:in `initialize'
	 2: from /home/fabrice/.rbenv/versions/2.6.6/lib/ruby/2.6.0/socket.rb:631:in `tcp'
	 1: from /home/fabrice/.rbenv/versions/2.6.6/lib/ruby/2.6.0/socket.rb:227:in `foreach'
/home/fabrice/.rbenv/versions/2.6.6/lib/ruby/2.6.0/socket.rb:227:in `getaddrinfo': getaddrinfo: Servname not supported for ai_socktype (SocketError)
	1: from /home/fabrice/.rbenv/versions/2.6.6/lib/ruby/gems/2.6.0/gems/sshkit-1.21.0/lib/sshkit/runners/parallel.rb:11:in `block (2 levels) in execute'
/home/fabrice/.rbenv/versions/2.6.6/lib/ruby/gems/2.6.0/gems/sshkit-1.21.0/lib/sshkit/runners/parallel.rb:15:in `rescue in block (2 levels) in execute': Exception while executing as undefined@undefined: getaddrinfo: Servname not supported for ai_socktype (SSHKit::Runner::ExecuteError)
(Backtrace restricted to imported tasks)
cap aborted!
SSHKit::Runner::ExecuteError: Exception while executing as undefined@undefined: getaddrinfo: Servname not supported for ai_socktype


Caused by:
SocketError: getaddrinfo: Servname not supported for ai_socktype

Tasks: TOP => rvm1:hook
(See full trace by running task with --trace)