Busybox telnetd

[Bryan Le]

Hi,

The following is ps
command in telnet window:

/////////////////////////////////////////////
ps              	
PID  Uid     VmSize Stat Command	
1 root        616 S   init       	
2 root            SW  [ksoftirqd/0]	
3 root            SW< [desched/0]	
4 root            SW< [events/0]	
5 root            SW< [khelper]	
10 root            SW< [kthread]	
13 root            SW< [kblockd/0]	
44 root            SW  [pdflush]	
45 root            SW  [pdflush]	
47 root            SW< [aio/0]	
46 root            SW  [kswapd0]	
71 root            SW  [mtdblockd]	
61 root            SW  [kseriod]	
95 root            SW< [IRQ 8]	
98 root            SW< [IRQ 15]	
115 root        616 S   init       	
116 root        588 S   /bin/sh /etc/init.d/rcS	
147 root            SW< [IRQ 35]	
150 root       572    /bin/sh
/etc/init.d/S99tonecommander start	
153 root       4480 S   phone 	
152 root            Z   [telnetd]	
154 root        564 S   telnetd -l /bin/sh 	
155 root       3776 S   phone 	
163 root       4480 S   phone 	
164 root       4480 S   phone 	
165 root       4480 S   phone 	
166 root       3816 S   phone 	
167 root            SW< [IRQ 45]	
168 root       4480 S   phone 	
169 root       4480 S   phone 	
171 root       4480 S   phone 	
178 root       4480 S   phone 	
179 root       4480 S   phone 	
180 root       4480 S   phone 	
181 root       4480 S   phone 	
182 root       4480 S   phone 	
189 root            Z   [udhcpc]	
190 root        576 S   udhcpc -i esw0 -H
TC-SIP-3778663013 -V TCS_04 	
197 root       4480 S   phone 	
206 root        612 S   /bin/sh 	
207 root       4480 S   phone 	
208 root        612 R   ps 	
/ $             	

///////////////////////////////////////////////

TEST1 is "phone (PID=153)". The phone application is
started independently (not from telnet window). Do you
know how to redirect output from phone application to
telnet window?

Thank you,
Bryan


--- Denys Vlasenko <vda.linux at googlemail.com> wrote:

> On Wednesday 21 November 2007 09:22, Bryan Le wrote:
> > Hello,
> >
> > I'm connecting successfully to the device running
> > application TEST1 on Linux 2.6 (with BusyBox
> 1.2.2.1)
> > from PC by telnet . Problem is that the printf()
> > outputs from TEST1 application still go to the
> serial
> > console. If I start another application TEST2
> while
> > TEST1 running by typing TEST2 in the telnet
> session
> > window, then I can see the  printf() outputs from
> > TEST2 (but not TEST1) on telnet session.
> >
> > Could someone tell me why printouts from TEST1 go
> to
> > serial console /dev/ttyS0 and printouts from TEST2
> go
> > to the /dev/pts/0 device?  How do I redirect
> printouts
> > from TEST1 to /dev/pts/0 device?
> 
> I don't fully understand the situation. Can you
> post ps output?
> 
> For now it seems like TEST1 is run independently
> (it is not started from telnetd), so naturally it
> shouldn't print anything over telnel link.
> --
> vda
> 



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