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Re: [OT] Remote SSH (dynamic IP) without third-party server

From Greg Wooledge <wooledg@eeg.ccf.org>
Newsgroups linux.debian.user
Subject Re: [OT] Remote SSH (dynamic IP) without third-party server
Date 2020-08-11 13:40 +0200
Message-ID <ACANk-2ri-7@gated-at.bofh.it> (permalink)
References (5 earlier) <AzUyR-2nn-1@gated-at.bofh.it> <AzUIx-2wx-1@gated-at.bofh.it> <AzWhj-3h7-1@gated-at.bofh.it> <AA4oy-8nE-21@gated-at.bofh.it> <ACtVv-6Kz-3@gated-at.bofh.it>
Organization linux.* mail to news gateway

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On Mon, Aug 10, 2020 at 11:18:10PM -0500, David Wright wrote:
> $ cat /etc/cron.daily/send-hotmail 
> #!/bin/sh
> [ -x /root/.cron/send-hotmail.sh ] || exit 0
> /root/.cron/send-hotmail.sh
> $ cat /root/.cron/send-hotmail.sh 
> #!/bin/sh
> mailx -s 'ZZZ---ZZZ' myfreeaccount@hotmail.co.uk < /etc/mailname
> $ 

Why have two one-liner scripts?  Why not just put the mailx command
in the send-hotmail script directly?

> … sends my home's IP address each day to a location I can read from
> anywhere.

Who populates the /etc/mailname file, and how?

Is the IP address actually in the /etc/mailname file, or are you
parsing it out of the Received: headers and ignoring the body?

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[OT] Remote SSH (dynamic IP) without third-party server riveravaldez <riveravaldezmail@gmail.com> - 2020-08-01 04:10 +0200
  Re: [OT] Remote SSH (dynamic IP) without third-party server David Christensen <dpchrist@holgerdanske.com> - 2020-08-01 08:20 +0200
    Re: [OT] Remote SSH (dynamic IP) without third-party server deloptes <deloptes@gmail.com> - 2020-08-01 14:00 +0200
      Re: [OT] Remote SSH (dynamic IP) without third-party server Dan Purgert <dan@djph.net> - 2020-08-01 17:50 +0200
      Re: [OT] Remote SSH (dynamic IP) without third-party server David Christensen <dpchrist@holgerdanske.com> - 2020-08-02 00:30 +0200
        Re: [OT] Remote SSH (dynamic IP) without third-party server Michael Stone <mstone@debian.org> - 2020-08-02 01:10 +0200
          Re: [OT] Remote SSH (dynamic IP) without third-party server David Christensen <dpchrist@holgerdanske.com> - 2020-08-02 03:50 +0200
  Re: [OT] Remote SSH (dynamic IP) without third-party server <tomas@tuxteam.de> - 2020-08-01 09:50 +0200
    Re: [OT] Remote SSH (dynamic IP) without third-party server martin f krafft <madduck@debian.org> - 2020-08-01 12:30 +0200
      Re: [OT] Remote SSH (dynamic IP) without third-party server tomas@tuxteam.de - 2020-08-01 14:40 +0200
        Re: [OT] Remote SSH (dynamic IP) without third-party server martin f krafft <madduck@debian.org> - 2020-08-02 01:20 +0200
      Re: [OT] Remote SSH (dynamic IP) without third-party server riveravaldez <riveravaldezmail@gmail.com> - 2020-08-02 04:40 +0200
        Re: [OT] Remote SSH (dynamic IP) without third-party server martin f krafft <madduck@debian.org> - 2020-08-03 01:10 +0200
          Re: [OT] Remote SSH (dynamic IP) without third-party server martin f krafft <madduck@debian.org> - 2020-08-11 01:20 +0200
  Re: [OT] Remote SSH (dynamic IP) without third-party server Joe <joe@jretrading.com> - 2020-08-01 10:00 +0200
    Re: [OT] Remote SSH (dynamic IP) without third-party server riveravaldez <riveravaldezmail@gmail.com> - 2020-08-01 11:40 +0200
      Re: [OT] Remote SSH (dynamic IP) without third-party server deloptes <deloptes@gmail.com> - 2020-08-01 14:10 +0200
        Re: [OT] Remote SSH (dynamic IP) without third-party server mick crane <mick.crane@gmail.com> - 2020-08-01 14:30 +0200
        Re: [OT] Remote SSH (dynamic IP) without third-party server rhkramer@gmail.com - 2020-08-01 17:30 +0200
        Re: [OT] Remote SSH (dynamic IP) without third-party server David Wright <deblis@lionunicorn.co.uk> - 2020-08-02 06:00 +0200
          Re: [OT] Remote SSH (dynamic IP) without third-party server Gene Heskett <gheskett@shentel.net> - 2020-08-02 07:10 +0200
            Re: [OT] Remote SSH (dynamic IP) without third-party server David Wright <deblis@lionunicorn.co.uk> - 2020-08-02 22:10 +0200
              Re: [OT] Remote SSH (dynamic IP) without third-party server Gene Heskett <gheskett@shentel.net> - 2020-08-02 22:50 +0200
          Re: [OT] Remote SSH (dynamic IP) without third-party server Greg Wooledge <wooledg@eeg.ccf.org> - 2020-08-03 14:00 +0200
            Re: [OT] Remote SSH (dynamic IP) without third-party server Greg Wooledge <wooledg@eeg.ccf.org> - 2020-08-03 21:20 +0200
              Re: [OT] Remote SSH (dynamic IP) without third-party server Charles Curley <charlescurley@charlescurley.com> - 2020-08-03 23:10 +0200
                Re: [OT] Remote SSH (dynamic IP) without third-party server rhkramer@gmail.com - 2020-08-03 23:30 +0200
                Re: [OT] Remote SSH (dynamic IP) without third-party server David Wright <deblis@lionunicorn.co.uk> - 2020-08-04 03:10 +0200
                Re: [OT] Remote SSH (dynamic IP) without third-party server Michael Stone <mstone@debian.org> - 2020-08-04 03:40 +0200
                Re: [OT] Remote SSH (dynamic IP) without third-party server David Wright <deblis@lionunicorn.co.uk> - 2020-08-04 04:10 +0200
                Re: [OT] Remote SSH (dynamic IP) without third-party server Stefan Monnier <monnier@iro.umontreal.ca> - 2020-08-04 04:20 +0200
                Re: [OT] Remote SSH (dynamic IP) without third-party server David Wright <deblis@lionunicorn.co.uk> - 2020-08-04 06:00 +0200
                Re: [OT] Remote SSH (dynamic IP) without third-party server Michael Stone <mstone@debian.org> - 2020-08-04 14:40 +0200
                Re: [OT] Remote SSH (dynamic IP) without third-party server David Wright <deblis@lionunicorn.co.uk> - 2020-08-11 06:20 +0200
                Re: [OT] Remote SSH (dynamic IP) without third-party server Greg Wooledge <wooledg@eeg.ccf.org> - 2020-08-11 13:40 +0200
                Re: [OT] Remote SSH (dynamic IP) without third-party server David Wright <deblis@lionunicorn.co.uk> - 2020-08-12 05:30 +0200
                Re: [OT] Remote SSH (dynamic IP) without third-party server Michael Stone <mstone@debian.org> - 2020-08-11 14:20 +0200
                Re: [OT] Remote SSH (dynamic IP) without third-party server David Wright <deblis@lionunicorn.co.uk> - 2020-08-12 05:30 +0200
                Re: [OT] Remote SSH (dynamic IP) without third-party server Michael Stone <mstone@debian.org> - 2020-08-12 13:40 +0200
                Re: [OT] Remote SSH (dynamic IP) without third-party server David Wright <deblis@lionunicorn.co.uk> - 2020-08-13 16:10 +0200
                Re: [OT] Remote SSH (dynamic IP) without third-party server Celejar <celejar@gmail.com> - 2020-08-04 16:10 +0200
                Re: [OT] Remote SSH (dynamic IP) without third-party server Michael Stone <mstone@debian.org> - 2020-08-04 14:40 +0200
                Re: [OT] Remote SSH (dynamic IP) without third-party server Charles Curley <charlescurley@charlescurley.com> - 2020-08-04 19:50 +0200
                Re: [OT] Remote SSH (dynamic IP) without third-party server Greg Wooledge <wooledg@eeg.ccf.org> - 2020-08-04 13:50 +0200
                Re: [OT] Remote SSH (dynamic IP) without third-party server Celejar <celejar@gmail.com> - 2020-08-04 15:40 +0200
            Re: [OT] Remote SSH (dynamic IP) without third-party server David Wright <deblis@lionunicorn.co.uk> - 2020-08-03 21:20 +0200
              Re: [OT] Remote SSH (dynamic IP) without third-party server Nate Bargmann <n0nb@n0nb.us> - 2020-08-04 02:00 +0200
                Re: [OT] Remote SSH (dynamic IP) without third-party server David Wright <deblis@lionunicorn.co.uk> - 2020-08-04 03:10 +0200
                Re: [OT] Remote SSH (dynamic IP) without third-party server Stefan Monnier <monnier@iro.umontreal.ca> - 2020-08-04 04:30 +0200
                Re: [OT] Remote SSH (dynamic IP) without third-party server David Christensen <dpchrist@holgerdanske.com> - 2020-08-04 10:50 +0200
    Re: [OT] Remote SSH (dynamic IP) without third-party server "Thomas Schmitt" <scdbackup@gmx.net> - 2020-08-01 12:00 +0200
  Re: [OT] Remote SSH (dynamic IP) without third-party server Dan Ritter <dsr@randomstring.org> - 2020-08-01 13:10 +0200
  Re: [OT] Remote SSH (dynamic IP) without third-party server rhkramer@gmail.com - 2020-08-01 13:20 +0200
  Re: [OT] Remote SSH (dynamic IP) without third-party server David <bouncingcats@gmail.com> - 2020-08-01 14:10 +0200
  Re: [OT] Remote SSH (dynamic IP) without third-party server Reco <recoverym4n@enotuniq.net> - 2020-08-01 14:40 +0200
  Re: [OT] Remote SSH (dynamic IP) without third-party server Reco <recoverym4n@enotuniq.net> - 2020-08-01 14:40 +0200
  Re: [OT] Remote SSH (dynamic IP) without third-party server Michael Stone <mstone@debian.org> - 2020-08-01 17:20 +0200
  Re: [OT] Remote SSH (dynamic IP) without third-party server "007@caiway.net" <007@caiway.net> - 2020-08-01 17:40 +0200
    Re: [OT] Remote SSH (dynamic IP) without third-party server "007@caiway.net" <007@caiway.net> - 2020-08-01 18:10 +0200
  Re: [OT] Remote SSH (dynamic IP) without third-party server Nate Bargmann <n0nb@n0nb.us> - 2020-08-01 19:50 +0200
  Re: [OT] Remote SSH (dynamic IP) without third-party server Henrique de Moraes Holschuh <hmh@debian.org> - 2020-08-01 21:40 +0200
  Re: [OT] Remote SSH (dynamic IP) without third-party server MAS Jean-Louis <jean-louis.mas@imag.fr> - 2020-08-04 16:00 +0200
    Re: [OT] Remote SSH (dynamic IP) without third-party server Michael Stone <mstone@debian.org> - 2020-08-04 16:20 +0200
    Re: [OT] Remote SSH (dynamic IP) without third-party server Andrei POPESCU <andreimpopescu@gmail.com> - 2020-08-04 17:40 +0200
  Re: [OT] Remote SSH (dynamic IP) without third-party server Andrei POPESCU <andreimpopescu@gmail.com> - 2020-08-04 17:50 +0200
  Re: [OT] Remote SSH (dynamic IP) without third-party server Curt <curty@free.fr> - 2020-08-04 19:10 +0200
    Re: [OT] Remote SSH (dynamic IP) without third-party server Gene Heskett <gheskett@shentel.net> - 2020-08-04 21:40 +0200
      Re: [OT] Remote SSH (dynamic IP) without third-party server Andrei POPESCU <andreimpopescu@gmail.com> - 2020-08-05 09:40 +0200

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