Nim (ssh2(libssh2))

import asyncdispatch, ssh2, strutils

proc main() {.async.} =
  var client = newSSHClient()
  defer: client.disconnect()
  await client.connect("server", "user", Port(22), password="pass")
  let x = await client.execCommand("date +\"%T.%N\"")
  echo x

  let y = await client.execCommand("date +\"%T.%N\"")
  echo y

waitFor main()