how to: rtorrent con screen e ssh

Link:

• http://wiki.archlinux.org/index.php/Rtorrent
• http://stabellini.net/rtorrent-howto.txt
• http://wiki.archlinux.org/index.php/SSH (dovete avere SSH funzionante)

1. Configurazione host remoto:

   1. yaourt -S rtorrent screen

   2. cp /etc/screenrc ~/.screenrc

   3. nano .screenrc
      .....
      .....
      screen -t rtorrent rtorrent # rtorrent always start with screen

   4. [~] nano .rtorrent.rc
      
      # Maximum and minimum number of peers to connect to per torrent.
      #min_peers = 40
      max_peers = 250
      
      # Same as above but for seeding completed torrents (-1 = same as downloading)
      #min_peers_seed = 10
      max_peers_seed = 250
      
      # Maximum number of simultanious uploads per torrent.
      #max_uploads = 8
      
      # Global upload and download rate in KiB. "0" for unlimited.
      download_rate = 0
      upload_rate = 10
      
      # Default directory to save the downloaded torrents.
      directory = /media/banca_dati/torrent
      
      # Default session directory. Make sure you don't run multiple instance
      # of rtorrent using the same session directory. Perhaps using a
      # relative path?
      session = /media/banca_dati/torrent/in_download_torrent
      
      # Watch a directory for new torrents, and stop those that have been
      # deleted.
      #schedule = watch_directory,5,5,load_start=./watch/*.torrent
      #schedule = untied_directory,5,5,stop_untied=
      schedule = watch_directory,10,10,load_start=/media/banca_dati/watch_torrent/*.torrent
      schedule = untied_directory,5,5,"remove_untied="
      #schedule = tied_directory,5,5,start_tied=
      schedule = low_diskspace,60,60,"close_low_diskspace=100M"
      
      # Port range to use for listening.
      port_range = 17594-17594
      
      # Start opening ports at a random position within the port range.
      #port_random = no
      
      # Check hash for finished torrents. Might be usefull until the bug is
      # fixed that causes lack of diskspace not to be properly reported.
      check_hash = yes
      
      # Set whetever the client should try to connect to UDP trackers.
      #use_udp_trackers = yes
      
      # Encryption options, set to none (default) or any combination of the following:
      # allow_incoming, try_outgoing, require, require_RC4, enable_retry, prefer_plaintext
      #
      # The example value allows incoming encrypted connections, starts unencrypted
      # outgoing connections but retries with encryption if they fail, preferring
      # plaintext to RC4 encryption after the encrypted handshake
      #
      #encryption = allow_incoming,enable_retry,prefer_plaintext
      encryption = allow_incoming,try_outgoing,enable_retry
      
      # Enable DHT support for trackerless torrents or when all trackers are down.
      # May be set to "disable" (completely disable DHT), "off" (do not start DHT),
      # "auto" (start and stop DHT as needed), or "on" (start DHT immediately).
      # The default is "off". For DHT to work, a session directory must be defined.
      #
      # dht = auto
      
      # UDP port to use for DHT.
      #
      # dht_port = 6881
      
      # Enable peer exchange (for torrents not marked private)
      #
      # peer_exchange = yes
      
      #
      # Do not modify the following parameters unless you know what you're doing.
      #
      
      # Hash read-ahead controls how many MB to request the kernel to read
      # ahead. If the value is too low the disk may not be fully utilized,
      # while if too high the kernel might not be able to keep the read
      # pages in memory thus end up trashing.
      #hash_read_ahead = 10
      
      # Interval between attempts to check the hash, in milliseconds.
      #hash_interval = 100
      
      # Number of attempts to check the hash while using the mincore status,
      # before forcing. Overworked systems might need lower values to get a
      # decent hash checking rate.
      #hash_max_tries = 10
      
      on_finished = rm_torrent,"execute=rm,$d.get_tied_to_file="
      on_finished = move_complete,"execute=mv,-u,$d.get_base_path=,/media/banca_dati/torrent/Completati/ ;d.set_directory=/media/banca_dati/rtorrent/Completati/"
      [~]

   5. [~] nano /etc/rc.d/rtorrent
      #!/bin/bash
      
      . /etc/rc.conf
      . /etc/rc.d/functions
      
      case "$1" in
        start)
          stat_busy "Starting rtorrent"
          su <utente linux> -c 'screen -d -m rtorrent' &> /dev/null
          if [ $? -gt 0 ]; then
            stat_fail
          else
            add_daemon rtorrent
            stat_done
          fi
          ;;
        stop)
          stat_busy "Stopping rtorrent"
          killall -w -s 2 /usr/bin/rtorrent &> /dev/null
          if [ $? -gt 0 ]; then
            stat_fail
          else
            rm_daemon rtorrent
            stat_done
          fi
          ;;
        restart)
          $0 stop
          sleep 1
          $0 start
          ;;
        *)
          echo "usage: $0 {start|stop|restart}"
      esac
      exit 0
      
      [~]

2. Avvio:
   1. Host remoto (tramite ssh):

      1. [~] nano rtorrentqueuemanager.py
         #!/usr/bin/env python
         
         import glob
         import stat
         import os
         import shutil
         import time
         
         #change the parametes
         watch = "/media/banca_dati/watch_torrent"
         session = "/media/banca_dati/torrent/in_download_torrent"
         queue = "/media/banca_dati/torrent/coda_torrent"
         max_downloads = 1
         
         while True:
             time.sleep(60)
             sfiles = glob.glob(session + "/*.torrent")
             oldesttime = 0
             oldestfile = ""
             if len(sfiles) < max_downloads :
                 qfiles = glob.glob(queue + "/*.torrent")
                 for i in qfiles :
                     ftime = os.stat(i)[stat.ST_MTIME]
                     if oldesttime == 0 or ftime < oldesttime :
                         oldesttime = ftime
                         oldestfile = i
                 if oldestfile != "" :
                     shutil.move(oldestfile, watch)
         
         [~]

      2. sudo /etc/rc.d/rtorrent start

      3. sudo python rtorrentqueuemanager.py &

   2. host locale:

      1. echo "ssh -p <porta> -t <utente>@<IP> 'screen -r'" > rtorrent_connetti.sh

      2. nano .bashrc
         .....
         # control+s con screen e rtorrent:
         # http://libtorrent.rakshasa.no/wiki/RTorrentUserGuide#Addingandremovingtorrents
         #
         stty stop undef
         stty start undef
         .....
         .....
         

      3. bash rtorrent_connetti.sh