Re: -s /tftpboot path in xinetd.d/tftp file

From: Mark Sargent (powderkeg_at_snow.email.ne.jp)
Date: 03/24/05

  • Next message: David Kerrivan: "How do you configure FC3 so that tape devices are static?" 
    Date: Thu, 24 Mar 2005 14:25:23 +0900
To: For users of Fedora Core releases <fedora-list@redhat.com>

    Paul Howarth wrote:

    > Mark Sargent wrote:
    >
    >> Edwin Dicker wrote:
    >>
    >>>>>>> Mark Sargent wrote:
    >>>>>>>
    >>>>>>>
    >>>>>>>
    >>>>>>>> Hi All,
    >>>>>>>>
    >>>>>>>> does the -s in the path in this file represent a soft link.? If
    >>>>>>>> so,
    >>>>>>>> where would I find this link's path..?
    >>>>>>>>
    >>>>>>>> [root@localhost xinetd.d]# cat tftp
    >>>>>>>> service tftp
    >>>>>>>> {
    >>>>>>>> socket_type = dgram
    >>>>>>>> protocol = udp
    >>>>>>>> wait = yes
    >>>>>>>> user = root
    >>>>>>>> server = /usr/bin/tftp
    >>>>>>>> server_args = -s /tftpboot
    >>>>>>>> disable = no
    >>>>>>>> per_source = 11
    >>>>>>>> cps = 100 2
    >>>>>>>> }
    >>>>>>>>
    >>>>>>>
    >>>>
    >>>> As far as I have my system configured this is what's in my tftp
    >>>> config :
    >>>> service tftp
    >>>> {
    >>>> disable = no
    >>>> socket_type = dgram
    >>>> protocol = udp
    >>>> wait = yes
    >>>> user = root
    >>>> server = /usr/sbin/in.tftpd
    >>>> server_args = -s /tftpboot
    >>>> per_source = 11
    >>>> cps = 100 2
    >>>> flags = IPv4
    >>>> }
    >>>>
    >>>>
    >>>> Watch the server type. it is different as yours and more likely to
    >>>> be used
    >>>> .
    >>>> I'm running FC3
    >>>>
    >>>> HTH
    >>>> Edwin
    >>>>
    >>>>
    >>>
    >>>
    >>> PS you should have tftp-server rpm installed.
    >>> My guess is that you only have the tftp client package installed which
    >>> indeed uses /usr/bin/tftp and this is not the network tftp services
    >>> daemon.
    >>> tftp is kind of chewen out and should work on almost any system.
    >>>
    >>>
    >> Hi All,
    >>
    >> well, I'll be bamboozled...that was it...thanx Edwin...I didn't even
    >> know there was a difference between server/client...annoying that
    >> netstat showed xinetd listening on 69 when in fact, it couldn't have
    >> been, technically, because the server wasn't there...can anyone tell
    >> me what would have been more clear in showing whether tftp was there
    >> or not..? Cheers.
    >
    >
    > What was happening is that you had configured xinetd to listen for
    > incoming connections on the tftp port and then pass them on to the
    > server /usr/bin/tftp. However, that (/usr/bin/tftp) is the client
    > program (like "ftp") rather than the server program (like "vsftpd") so
    > of course it didn't work. So xinetd was doing exactly what you told it
    > to do, and that's why it showed up in the netstat output.
    >
    > Probably the only thing that would have helped you figure out what was
    > wrong would have been searching for a better reference on setting up a
    > tftp server using xinetd.
    >
    > Paul.
    >
    Hi All,

    hmmm, not outa the woods yet. Still getting the undefined error.

    Switch#copy run tftp
    Source filename [running-config]? running-config
    Destination IP address or hostname []? 192.168.168.12
    Destination filename [running-config]? /tftpboot/running-config
    Building configuration...
    .....
    %Error opening tftp://192.168.168.12//tftpboot/running-config (Undefined
    error)

    Ok, lets run through my set up, again,

    dir permissions for tftpboot,

    [root@localhost tftpboot]# ls -alh
    total 8.0K
    drwxr-xr-x 2 root root 4.0K Mar 24 14:10 .
    drwxrwxrwx 24 nobody nobody 4.0K Mar 24 12:55 ..

    above tftpboot is owned by nobody:nobody as per this site,

    http://www.linux.com/howtos/Clone-HOWTO/setting-up.shtml
    is it right..? as wello as it's suggestions below for xinetd.d/tftp

    xinetd.d/tftp settings

    [root@localhost tftpboot]# cat /etc/xinetd.d/tftp
    # default: off
    # description: The tftp server serves files using the trivial file
    transfer # protocol. The tftp protocol is often used to boot diskless
    # workstations, download configuration files to network-aware
    printers, # and to start the installation process for some operating
    systems.
    service tftp
    {
            socket_type = dgram
            protocol = udp
            wait = yes
            user = root
            server = /usr/sbin/in.tftpd
            server_args = -c -s /tftpboot
            disable = no
            per_source = 11
            cps = 100 2
            flags = IPv4
    }
     Correct..?

    This site below is a little different,

    http://www.linuxhomenetworking.com/linux-hn/xinetd.htm
    as it suggests creating the destination file prior to the transfer. Ok,
    some questions, do I create the dest filename b4hand, and if so, what
    ownership/permissions is required for it.? I'm lost. Anyone..? Cheers.

    Mark Sargent. 

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