30m remote observations

• The iram memo

• You need a vncviewer; on debian

  sudo apt-get install tigervnc-viewer
  sudo apt-get install vinagre
  

• We need two channels to perform the observations: one is for monitoring the antenna activity, the other is to send the commands through pako.
• I personally use vinagre
  • To open a connection, click connect
    • Host is mrt-enter.iram.es:30 or mrt-enter.iram.es:31
  • Use host: remote@mrt-enter.iram.es
• Alternatively, in a terminal:

vncviewer -via remote@mrt-enter.iram.es mrt-remote.iram.es:30
# Enter a.....G twice

But I had issues with this, so I use vinagre

• Start PAKO; open a xterm

  ssh xxx_yy@observe
  $>gopako
  $>pakodisplay
  $>pako
  

• Monitoring

  vncviewer -via remote@mrt-enter.iram.es mrt-remote.iram.es:31
  # Enter a.....G twice
  

• Notes:
  • mrt-remote:30 use it to specify your observations
  • mrt-remote:31 use it do monitoring and other tasks
  • mrt-remote:32 can be used for other tasks open to everybody

• using the account password

  ssh -f -L 5932:mrt-remote.iram.es:5932 042-24@mrt-enter.iram.es sleep 300
  

• then, open vinagre and proceed

• to kill the tunnel process

  lsof -nP -i4TCP:5932 | grep LISTEN | awk '{print $2}’
  

  where 5932 could be 5930 or 5931. Then, kill -9 the echoed process number.