Tiny Core Linux

Tiny Core Base => TCB Q&A Forum => Topic started by: rms46 on May 16, 2012, 07:29:02 AM

Title: How does busybox resolve a domain?
Post by: rms46 on May 16, 2012, 07:29:02 AM

To whom it may concern:

May I know how the busybox resolve a domain since /etc/resolv.conf  (from dhcp) is empty?
I would like to "wget" an https address and therefore I replaced wget (busybox) with the
real wget. However, the real wget can not resolve since /etc/resolv.conf is empty.

Therefore, I would like to know how/from where the busybox resolves the domain.
Is there any step that I have missed?
Or, should I fill /etc/resolv.conf manually?

Regards,

Title: Re: How does busybox resolve a domain?
Post by: hiro on May 16, 2012, 07:30:42 AM

my /etc/resolv.conf is not empty.

Title: Re: How does busybox resolve a domain?
Post by: Rich on May 16, 2012, 07:50:20 AM

Hi rms46
My resolve.conf is filled in by the script that sets up my network card, which was created by the
Network applet in ControlPanel. It contains  nameserver 192.168.1.1  which is the IP address
of my modem. If you fill in the file yourself, don't forget to add it to your  .filetool.lst  file so it
gets backed up.

Title: Re: How does busybox resolve a domain?
Post by: rms46 on May 16, 2012, 07:53:10 AM

Well, since my /etc/resolv.conf IS empty; but wget (of busybox) can resolve the domain.
May I know how that resolves?

I am running TC on a virtualbox (Kubuntu); where everything works/resolves fine,
including apps. I am just wondering, where they resolve the domain...

Hi Rich: should I fill the resolv.conf manually and add it the .filetools.lst?

regards,

Title: Re: How does busybox resolve a domain?
Post by: Rich on May 16, 2012, 08:12:51 AM

Hi rms46
I don't know how the busybox version resoves it.

Quote

Hi Rich: should I fill the resolv.conf manually and add it the .filetools.lst?

Either that, or better yet, have bootlocal.sh fill it in on startup.

Title: Re: How does busybox resolve a domain?
Post by: rms46 on May 16, 2012, 08:24:05 AM

All,
Thanks for all the clues. I will fill /etc/resolv.conf manually.

regards,

Title: Re: How does busybox resolve a domain?
Post by: rms46 on May 19, 2012, 11:01:13 AM

I still have no idea on: why wget (busybox) CAN resolve the domain and why the "real" wget CAN NOT.
However, now "/etc/resolv.conf" exists on the virtual box.
What I did was switching the virtual network adapter position.
The first is attached to the "Host Only Adapter" (vboxnet0); and
the second is attached to the "NAT Adapter".

Code: [Select]

tc@box:~$ ifconfig
eth0      Link encap:Ethernet  HWaddr 08:00:27:44:23:3E 
          inet addr:192.168.56.101  Bcast:192.168.56.255  Mask:255.255.255.0
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:175 errors:0 dropped:0 overruns:0 frame:0
          TX packets:105 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:20672 (20.1 KiB)  TX bytes:14866 (14.5 KiB)

eth1      Link encap:Ethernet  HWaddr 08:00:27:5B:EB:87 
          inet addr:10.0.3.15  Bcast:10.0.3.255  Mask:255.255.255.0
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:5 errors:0 dropped:0 overruns:0 frame:0
          TX packets:5 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:1528 (1.4 KiB)  TX bytes:878 (878.0 B)

lo        Link encap:Local Loopback 
          inet addr:127.0.0.1  Mask:255.0.0.0
          UP LOOPBACK RUNNING  MTU:16436  Metric:1
          RX packets:12 errors:0 dropped:0 overruns:0 frame:0
          TX packets:12 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:600 (600.0 B)  TX bytes:600 (600.0 B)

tc@box:~$ cat /etc/resolv.conf
nameserver 10.0.3.2