[PLUG] How do I use a tablet WiFi hotspot for my desktop machine?

[Dick Steffens]

On 07/24/2016 06:03 PM, Russell Senior wrote

> Dick> Done. Is that something that goes away when the laptop is shut
> Dick> down?
>
> If you just type it manually, and shutdown means reboot, then yes.

That's what I thought. I don't expect to shut the laptop down once it's 
set up, but I should probably create a shell script file for it.

> Dick> <...> but I can't reach the Internet from the other
> Dick> laptop connected to the router.
>
> The other laptop is connected to the Buffalo or the mobile hotspot?

The Buffalo router. It's address is 192.168.0.221

> >From your routing laptop (the one you are using to connect the buffalo
> to the hotspot), send me the output of:
>
>    ip a

1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN 
group default
     link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
     inet 127.0.0.1/8 scope host lo
        valid_lft forever preferred_lft forever
     inet6 ::1/128 scope host
        valid_lft forever preferred_lft forever
2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast 
state UP group default qlen 1000
     link/ether 00:26:2d:fd:c9:73 brd ff:ff:ff:ff:ff:ff
     inet 10.253.0.1/24 brd 10.253.0.255 scope global eth0
        valid_lft forever preferred_lft forever
     inet6 fe80::226:2dff:fefd:c973/64 scope link
        valid_lft forever preferred_lft forever
3: wlan0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP 
group default qlen 1000
     link/ether 00:26:c6:ca:75:40 brd ff:ff:ff:ff:ff:ff
     inet 192.168.1.48/24 brd 192.168.1.255 scope global wlan0
        valid_lft forever preferred_lft forever
     inet6 fe80::226:c6ff:feca:7540/64 scope link
        valid_lft forever preferred_lft forever


>    ip r

default via 192.168.1.1 dev wlan0  proto static
10.253.0.0/24 dev eth0  proto kernel  scope link  src 10.253.0.1
169.254.0.0/16 dev eth0  scope link  metric 1000
192.168.1.0/24 dev wlan0  proto kernel  scope link  src 192.168.1.48  
metric 9

> and
>
>    iptables -v -t nat -L

Chain PREROUTING (policy ACCEPT 3300 packets, 227K bytes)
  pkts bytes target     prot opt in     out     source destination

Chain INPUT (policy ACCEPT 29 packets, 5435 bytes)
  pkts bytes target     prot opt in     out     source destination

Chain OUTPUT (policy ACCEPT 1289 packets, 88566 bytes)
  pkts bytes target     prot opt in     out     source destination

Chain POSTROUTING (policy ACCEPT 464 packets, 31746 bytes)
  pkts bytes target     prot opt in     out     source destination
   825 56820 MASQUERADE  all  --  any    wlan0   anywhere anywhere

> >From the other devices, including the buffalo (you should be able to ssh
> in), try pinging the various addresses of significance, and see what
> replies.  That should provide some clues.

I tried pinging 8.8.8.8 from the second laptop and from the router 
(using ssh) and got no return. I get a return when pinging from the X200 
laptop.

-- 
Regards,

Dick Steffens