Re: remote serial console (IP to Serial)

[Christopher Morrow <morrowc.lists () gmail com>]

On Tue, Mar 8, 2016 at 11:43 AM, Owen DeLong <owen () delong com> wrote:
> Serial port on the PI is TTL, so you’ll need some level shifters and/or
> ideally some opto-isolators or buffers to do a proper implementation.

usb-serial dongle, no?

also keep in mind, 'bad power' can make raspi's a pita :( corrupting
the flash card isn't fun. (maybe this is solved with another media for
root-partition though)

> Owen
>
> > On Mar 8, 2016, at 08:32 , greg whynott <greg.whynott () gmail com> wrote:
> >
> > Thanks to all who responded to me,  quite the flood of suggestions and
> > options.
> >
> > Found a lot of 20 Digi CM32's on ebay for 35 dollars each,  overkill but
> > can't beat the price,  going to look into those to make sure they are still
> > able to get OS updates.  There will be no firewall in front of this device
> > so it should have one itself.
> >
> > I like the raspberry pi idea...  Would ensure perpetual security updates
> > with the OS running on it,  whereas I'm sure some of the vendors of
> > commercial console products EOL support at some point.  The fact it runs
> > linux is inviting as we can add it to our monitoring systems.
> >
> > have a great day,
> > greg
> >
> >
> >
> > On Tue, Mar 8, 2016 at 10:33 AM, Christopher Morrow <morrowc.lists () gmail com
> > > wrote:
> >
> > > for singular serial .. there are many, do you want something that's
> > > "appliance" or are you willing to deploy 18 raspnberry-pi-like
> > > thingies?
> > >
> > > On Tue, Mar 8, 2016 at 10:30 AM, greg whynott <greg.whynott () gmail com>
> > > wrote:
> > > > Recently I have taking over the responsibility of managing about 18
> > > remote
> > > > routers and firewalls.   None of these have a console port for 'out of
> > > > band' access accessible today.
> > > >
> > > > Most sites has available IPs between the ISP and us (typically a /29) or
> > > a
> > > > backup DSL connection available for use.     I'd like to purchase a IP to
> > > > Serial port device I can use for each location in the event I lock myself
> > > > out.   The requirement would be an Ethernet port,  a serial port,  and
> > > SSH.
> > > > Anyone have any recommendations on something like this?
> > > >
> > > > thanks much,
> > > > greg