Re: Keep a wlan active without Access Point?

[Marc Herbert]

Bastien Nocera a écrit :
> On Sun, 2009-06-14 at 12:03 +0530, Ravindra Wankar wrote:
>> For one, I run apache with virtual host entries for the static IP.
>> Secondly, it was just convenient. We develop web based apps and me and
>> my colleagues need to access apache on each other's machines.
>> Previously I could simply copy-paste a url to someone else in an email
>> or a chat window. Now since I have to use localhost for myself, I have
>> to keep changing "localhost" to my fully qualified hostname everytime
>> I send the url to someone else.
> 
> Install nss-mdns, make sure avahi is installed and running, and give out
> your mDNS hostname. IP addresses might change, but the local hostname
> (in my desktop's case, cookie.local.) will stay the same.

You can also use hostnames with something else than mDNS, in case you have some 
centralized name server running on your network. And then just put this in your 
/etc/hosts file:

127.0.0.1  localhost
127.1.1.1  myVirtualHost1
127.2.2.2  myVirtualHost2

One way or the other, use hostnames; the small setup effort pays off almost 
immediately.

Cheers,

Marc

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Re: Keep a wlan active without Access Point?

[Bastien Nocera]

On Sun, 2009-06-14 at 12:03 +0530, Ravindra Wankar wrote:
> 
> For one, I run apache with virtual host entries for the static IP.
> Secondly, it was just convenient. We develop web based apps and me and
> my colleagues need to access apache on each other's machines.
> Previously I could simply copy-paste a url to someone else in an email
> or a chat window. Now since I have to use localhost for myself, I have
> to keep changing "localhost" to my fully qualified hostname everytime
> I send the url to someone else.

Install nss-mdns, make sure avahi is installed and running, and give out
your mDNS hostname. IP addresses might change, but the local hostname
(in my desktop's case, cookie.local.) will stay the same.

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Re: Keep a wlan active without Access Point?

[Ravindra Wankar]

For one, I run apache with virtual host entries for the static IP.
Secondly, it was just convenient. We develop web based apps and me and
my colleagues need to access apache on each other's machines.
Previously I could simply copy-paste a url to someone else in an email
or a chat window. Now since I have to use localhost for myself, I have
to keep changing "localhost" to my fully qualified hostname everytime I
send the url to someone else.

-- R

Mattias Stahre wrote:
Uhm, not really actually.
  Why do you want access that interface even when you are not
connected to anything? 
  You have your loopback interface (127.0.0.1) that is made to
access stuff on your local computer,
  with or without a network.
  And you will probably have a entry in /etc/hosts that points
your computer name to 127.0.0.1.
  
  
  There is no sense whatsoever to have a NIC activated, when it is
not connected to anything.
  
  
  What is you are trying to do, that requires you to have *THAT*
address available at all times?
  And are you sure that you not just could use the loopback
interface for it?
  
  
  Greetings,
  Mattias
  
  
  On Jun 14, 2009, at 7:29 AM, Ravindra Wankar wrote:
  
  

Before I used Network Manager to manage my connections my wireless
interface would be activated on boot. Without an access point I
(obviously) could not connect to the net, but I could still ping my
local machine with the static IP (192.168.0.100). With Network Manager
managing my connection I cannot do this. 

Does that make sense?
-- R


John Mahoney wrote:
Your email does not make much sense.  It may help if you
explain what you are trying to accomplish.  The 127.0.0.1 always
returns pings because its the loopback device.  If the wireless is not
connected to an access point then I do not see why it would be in the
routing tables.  If you want a useless device with an address look into
creating a dummy device and assign it the address.
  
--
John
  
  On Sun, Jun 14, 2009 at 12:43 AM,
Ravindra
Wankar 
wrote:
  
I have a wireless connection with a static IP address 192.168.0.100.
Everything works fine when I'm connected to an Access Point. Without
the access point ping returns "connect : Network is unreachable". Using
127.0.0.1 works, but I'd rather have the static IP accessible. The
routing table is empty. How do I setup Network Manager so the IP is
available?

Thanks.
-- R
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Re: Keep a wlan active without Access Point?

[John Mahoney]

Yeah, I don't even want to know why you need to do this, but I have done
more obscure stuff.  Network Manager does not assign an IP address to the
interface until it becomes active, even if you think you have an address
assigned statically.  You could write a script to assign the ip at boot with
"ifconfig wlan0 192.168.0.100" assuming your interface is named wlan0(I've
seen them named eth0 and ath0 also) One caveat is that if NM tries to
connect but cannot and disconnects it will remove the ip address you
manually assigned.

--
John

On Sun, Jun 14, 2009 at 1:29 AM, Ravindra Wankar wrote:

>
> Before I used Network Manager to manage my connections my wireless
> interface would be activated on boot. Without an access point I (obviously)
> could not connect to the net, but I could still ping my local machine with
> the static IP (192.168.0.100). With Network Manager managing my connection I
> cannot do this.
>
> Does that make sense?
> -- R
>
>
>
> John Mahoney wrote:
>
> Your email does not make much sense.  It may help if you explain what you
> are trying to accomplish.  The 127.0.0.1 always returns pings because its
> the loopback device.  If the wireless is not connected to an access point
> then I do not see why it would be in the routing tables.  If you want a
> useless device with an address look into creating a dummy device and assign
> it the address.
>
> --
> John
>
> On Sun, Jun 14, 2009 at 12:43 AM, Ravindra Wankar wrote:
>
>>
>> I have a wireless connection with a static IP address 192.168.0.100.
>> Everything works fine when I'm connected to an Access Point. Without the
>> access point ping returns "connect : Network is unreachable". Using
>> 127.0.0.1 works, but I'd rather have the static IP accessible. The routing
>> table is empty. How do I setup Network Manager so the IP is available?
>>
>> Thanks.
>> -- R
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>> NetworkManager-list mailing list
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>>
>
>
>
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Re: Keep a wlan active without Access Point?

[Ravindra Wankar]

Before I used Network Manager to manage my connections my wireless
interface would be activated on boot. Without an access point I
(obviously) could not connect to the net, but I could still ping my
local machine with the static IP (192.168.0.100). With Network Manager
managing my connection I cannot do this. 

Does that make sense?
-- R


John Mahoney wrote:
Your email does not make much sense.  It may help if you
explain what you are trying to accomplish.  The 127.0.0.1 always
returns pings because its the loopback device.  If the wireless is not
connected to an access point then I do not see why it would be in the
routing tables.  If you want a useless device with an address look into
creating a dummy device and assign it the address.
  
--
John
  
  On Sun, Jun 14, 2009 at 12:43 AM, Ravindra
Wankar 
wrote:
  
I have a wireless connection with a static IP address 192.168.0.100.
Everything works fine when I'm connected to an Access Point. Without
the access point ping returns "connect : Network is unreachable". Using
127.0.0.1 works, but I'd rather have the static IP accessible. The
routing table is empty. How do I setup Network Manager so the IP is
available?

Thanks.
-- R
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Re: Keep a wlan active without Access Point?

[John Mahoney]

Your email does not make much sense.  It may help if you explain what you
are trying to accomplish.  The 127.0.0.1 always returns pings because its
the loopback device.  If the wireless is not connected to an access point
then I do not see why it would be in the routing tables.  If you want a
useless device with an address look into creating a dummy device and assign
it the address.

--
John

On Sun, Jun 14, 2009 at 12:43 AM, Ravindra Wankar wrote:

>
> I have a wireless connection with a static IP address 192.168.0.100.
> Everything works fine when I'm connected to an Access Point. Without the
> access point ping returns "connect : Network is unreachable". Using
> 127.0.0.1 works, but I'd rather have the static IP accessible. The routing
> table is empty. How do I setup Network Manager so the IP is available?
>
> Thanks.
> -- R
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>
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