Transmission

Posted: **Mon Jun 08, 2020 2:35 am**

Please do as i do in your vps and then maybe the issue reproduced,replace the variable `$vps_ip` with your real vps ip during the below steps.

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    wget  https://saimei.ftp.acc.umu.se/debian-cd/current/amd64/iso-cd/debian-10.4.0-amd64-netinst.iso
    transmission-create -o  debian.torrent   debian-10.4.0-amd64-netinst.iso

Create a trackerless torrent ,show info on it:

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    transmission-show  debian.torrent
    Name: debian-10.4.0-amd64-netinst.iso
    File: debian.torrent
    
    GENERAL
    
      Name: debian-10.4.0-amd64-netinst.iso
      Hash: a7fbe3ac2451fc6f29562ff034fe099c998d945e
      Created by: Transmission/2.92 (14714)
      Created on: Mon Jun  8 00:04:33 2020
      Piece Count: 2688
      Piece Size: 128.0 KiB
      Total Size: 352.3 MB
      Privacy: Public torrent
    
    TRACKERS
    
    FILES
    
      debian-10.4.0-amd64-netinst.iso (352.3 MB)

Open the port which transmission running on your vps.

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    firewall-cmd --zone=public --add-port=51413/tcp --permanent
    firewall-cmd --reload

Check it from your local pc.

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    sudo nmap $vps_ip -p51413
    Host is up (0.24s latency).
    PORT      STATE SERVICE
    51413/tcp open  unknown
    Nmap done: 1 IP address (1 host up) scanned in 1.74 seconds

Add the torrent and seed it with transmission's default username and password on your vps(with your own if you already change it):

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    transmission-remote  -n  "transmission:transmission"  --add  debian.torrent
    localhost:9091/transmission/rpc/ responded: "success"
    transmission-remote  -n  "transmission:transmission"  --list
    ID     Done       Have  ETA           Up    Down  Ratio  Status       Name
       1     0%       None  Unknown      0.0     0.0   None  Idle         debian-10.4.0-amd64-netinst.iso
    Sum:              None               0.0     0.0
    transmission-remote  -n  "transmission:transmission"  -t 1 --start
    localhost:9091/transmission/rpc/ responded: "success"

Get the `debian.torrent` from your vps into local pc.

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    scp root@$vps_ip:/root/debian.torrent   /tmp

Now to try download it in your local pc.

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    aria2c --enable-dht=true  /tmp/debian.torrent

    06/08 09:28:04 [NOTICE] Downloading 1 item(s)
    
    06/08 09:28:04 [NOTICE] IPv4 DHT: listening on UDP port 6921
    
    06/08 09:28:04 [NOTICE] IPv4 BitTorrent: listening on TCP port 6956
    
    06/08 09:28:04 [NOTICE] IPv6 BitTorrent: listening on TCP port 6956
     *** Download Progress Summary as of Mon Jun  8 09:29:04 2020 ***              
    ===============================================================================
    [#a34431 0B/336MiB(0%) CN:0 SD:0 DL:0B]
    FILE: /tmp/debian-10.4.0-amd64-netinst.iso
    -------------------------------------------------------------------------------

I wait about one hour ,the download progress is always 0%.

Posted: **Wed Jul 08, 2020 8:06 pm**

You didn't add a tracker to your torrent, which is the immediate problem: there's nowhere for you peers to find each other.

But I thought the DHT was supposed to enable trackerless torrents? I want to use that feature too. I don't know how to find Transmission's internal log about how it's interacting with the DHT or if it's even using it.

Posted: **Mon Dec 21, 2020 4:09 am**

Thanks, I'll have a look.

Transmission

Why DHT can't find resource when to download with a trackerless torrent?

Why DHT can't find resource when to download with a trackerless torrent?

Re: Why DHT can't find resource when to download with a trackerless torrent?

Re: Why DHT can't find resource when to download with a trackerless torrent?