On 08/06/2016 01:45 PM, Galen Seitz wrote:
> On 07/25/16 14:35, Dick Steffens wrote:
>> On 07/25/2016 09:48 AM, Russell Senior wrote:
>>>>> Aha! I remember now, you need to turn on forwarding on the X200.
>>>>>
>>>>> Check "cat /proc/sys/net/ipv4/conf/all/forwarding" ... it is probably 0.
>> It is.
>>
>>>>> If so, "echo 1 > /proc/sys/net/ipv4/conf/all/forwarding" will turn it
>>>>> on. You can add this to your script with the iptables rule.
>> First I tried:
>>
>> rsteff@ThinkPad-X200-Tablet:~$ sudo echo 1 >
>> /proc/sys/net/ipv4/conf/all/forwarding
>> bash: /proc/sys/net/ipv4/conf/all/forwarding: Permission denied
>> rsteff@ThinkPad-X200-Tablet:~$
>>
>> Note that I was not asked for a password.
>>
>> Then I tried it without sudo:
>>
>> rsteff@ThinkPad-X200-Tablet:~$ echo 1 >
>> /proc/sys/net/ipv4/conf/all/forwarding
>> bash: /proc/sys/net/ipv4/conf/all/forwarding: Permission denied
>> rsteff@ThinkPad-X200-Tablet:~$
> Beating a very old horse here, but I've been intending to respond to
> this. The reason these commands are failing is that redirection ('>')
> is performed by your original shell, not sudo. Your rsteff account
> doesn't have permission to write to files in the /proc directory, hence
> the error. Others have shown that you can just get a root shell and
> then issue the echo command, but I wanted to point out that you can do
> this from a single command.
>
> This command invokes a root shell and then passes the desired command,
> including redirection, to that shell.
>
> sudo /bin/sh -c 'echo 1 > /proc/sys/net/ipv4/conf/all/forwarding'
>
>
> <http://stackoverflow.com/questions/82256/how-do-i-use-sudo-to-redirect-output-to-a-location-i-dont-have-permission-to-wr>
>
>
> galen
Thanks. I'll add that to my documents on this subject.
The hotspot has been stable for several days, now.
Thanks, again, to all who contributed.
--
Regards,
Dick Steffens
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