General :: Finding A Bluetooth Stack /3g At&T

May 19, 2010

would like to install a Bluetooth and my AT&T 3g fob

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Ubuntu Networking :: Disable RSIM In Bluetooth Stack?

Apr 4, 2011

how to disable rSIM in the current bluetooth stack?Starting about a week ago, whenever my phone (Android Captivate) pairs with my ubuntu workstation the rSIM profile is enabled which effectively turns off my cell service since my Ubuntu machine does not have a GSM/3G radio built in.I'd like to disable rSIM altogether so that I can again re-pair my phone to my Linux system. All my searching turn up results for people trying FIX this service...

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Fedora Networking :: Bluetooth Stack Creates Rfcomm0 But Is Not Applying The Correct Context Label To It?

Sep 9, 2010

if an admin decides this is security feel free to move, at the moment I can't decide where so posted here...On my laptop (msi-u100) my bluetooth stack creates rfcomm0 but is not applying the correct context label to it so selinux is bitching.

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Ubuntu Multimedia :: Rhythmweb Bluetooth/Wifi Finding Issues

Sep 2, 2010

I recently installed the Rhythmweb plugin. I can go to http://localhost:8000 on my own machine and control it that way, so I know that functions properly. My issue is my phone finding the correct path. I have it bluetooth synced, with the laptop device's name being "peter-laptop" (I reset it to the default just for clarity's sake), and my laptop and phone are both on the same wifi network as well.

I have tried many variants of peter-laptop.local:8000 and peter-laptop:8000 but no luck, in opera or the default blackberry browser.

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Ubuntu Networking :: 11.04 Bluetooth Scanning Endlessly And Not Finding Phone?

Sep 1, 2011

I actually have two problems: I couldn't get DUN to work with Ubuntu for a while and then one day it just magically worked and would let me find the device and connect to it. And then it broke again. So in my effort to fix the problem it looks like Bluetooth went completely off the rails. When I try to add a Bluetooth device through the manager it just keeps spinning with "Searching for Devices" but the spinning finds nothing (it would run for an eternity if I let it, it seems). hcitool scan reports "Scanning ..." and then drops back to command prompt. hciconfig notes the device is up. The device has no soft/hard locks on it. If anyone has a CLUE about what it could be.

Obvious note: My phone is in bluetooth mode and discoverable so that isn't the problem.

If I make the computer visible, my phone DOES NOT pick up it's there. Also, bluetooth works fine on the Fedora USB stick.

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Ubuntu :: Bluetooth Working - Enabled But Not Finding Devices On Scan?

May 12, 2011

I am using Ubuntu, now installed KDE (kubuntu) and I have Bluetooth working and enabled but for some strange reason the bluetooth scan is not finding any devices in spite of the fact that I have my mobile phone with bluetooth on and discoverable. My laptop is HP Touchsmart tm2 2102tu. Here's output of my hciconfig -a

BD Address: 70:F3:95:74:7D:CE ACL MTU: 310:10 SCO MTU: 64:8
RX bytes:1099 acl:0 sco:0 events:42 errors:0


Neither hcitool scan nor scanning with Gnome or KDE bluetooth settings is working for me.

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General :: How To Get Stack Size Of Running Process?

Apr 17, 2011

Can anyone tell me that how to get information about stack, allocated by kernel to a running process? for this ,is there any api function,any system call is available in ubuntu 8.04 ?

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General :: Increase Stack Limit Permanently Without Restarting

Jul 20, 2011

I need to increase the default stack size on Linux. As I know there are usually two ways:

ulimit -s size

The ulimit method only works as long as I am logged in.

limits.conf will work after a restart.

Is there a possible way to increase the limit without restarting?

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General :: Printing To A Progress Bar To The Terminal From Java/C++ - Stack Overflow?

Sep 18, 2011

I want to update the percentage progress of my program on the screen. I have a progress bar that I print. I add a * when the progress is more than 10%, but I also want to write the actual percentage correct up to every digit. However, I do not want to write a new number every time, since it will have the following effect:


Instead, I would like to just maintain one single figure on the screen that keeps getting updated. How do I do that? (... in Java/C++, but I think it's irrelevant)

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Ubuntu Networking :: Bluetooth - SPP Mode / Listen (and Also Send) To Serial Comm Msgs On Bluetooth?

Jun 25, 2010

i have a bluetooth modem (BlueSMiRF) that is connected to Arduino Duemilanove. I am trying to see serial communication messages from the bluetooth modem.

I have Blueman Device Manager that enabled SPP (Serial Port) and it says :

Serial port connected to /dev/rfcomm0
How do I see the serial communication on this?

I tried on console

$rfcomm listen 0
but it's stuck at
Waiting for connection on Channel 1
Is there any other way to listen (and also send) to serial comm msgs on bluetooth?

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Fedora Hardware :: Bluetooth Service / Bluetooth Is Disabled After Some Time?

Sep 12, 2010

I'm using fedora 13 x86_64 on amd machine. I use usb bluetooth dongle. The bluetooth service doesn't start at all. When I click on bluetooth icon-preferences-turn bluetooth on, after some time it says, bluetooth is disabled. What should I do to enable bluetooth?

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Ubuntu Networking :: Bluetooth Not Working With USB Bluetooth Stick / Resolve It?

Apr 24, 2010

When i connect to my laptop a bluetooth usb stick, the bluetooth could not be turned on.
the bluetooth dameon is on, and when i press the turn on button, nothing happens.
in windows the stick works fine.

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Ubuntu Networking :: The Bluetooth Manager Does Not Detect A Bluetooth Dongle?

Nov 2, 2010

The bluetooth manager does not detect a bluetooth dongle .trying to use ndiswrapper to fix.I installed device manager and the results are shown below.i downloaded the windows driver suite. It has 4 .exe self extracting driver archives and a setupconfig.ini. The .ini file is below.I was able to extract one of the 32bit archives on a windows machine and it had about 8 .inf files that are titled weird and would not install properly using ndiswrapper probably because im using the 64-bit architecture. there are 2 64bit .exe's in the driver download, but how can i extract them in ubuntu and do i really need to install all 8 .inf files. also do i actually need to make a .inf file? if so how?

Asus - BT211 mini bluetooth dongle

Code: http:[url].... - windows driver under download section.

Device manager

Model: Unknown model (id =0x3000)
Vendor: atheros Communications, inc[code]....

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Hardware :: Bluetooth On Fedora 13 / Cannot Get The Bluetooth Service To Start?

Aug 7, 2010

I just bought a Bluetooth dongle for my laptop with fedora on it and cannot get the Bluetooth service to start. Tried to do the same on my imac running Fedora and the same thing happened, it said service refreshing and never did.

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Fedora :: Executable Stack: Lilypond 2.14.1 On F14?

Jun 19, 2011

I have installed lilypond 2.14.1 on my Fedora 14 machine, as per the lilypond instructions for linux. When I run lilypond, it gives the following error message. /usr/local/lilypond/usr/bin/lilypond: error while loading shared libraries: cannot enable executable stack as shared object requires:Permission denied I see several threads here already about executable stacks. I have already tried execstack to set/clear the flag for that shared object. Neither allows lilypond to run.

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Fedora :: Can't Set Max Stack With Ulimit In Rc.local

Jul 4, 2011

I'd like to set the max stack size at boot time, preferably as early as possible. I had thought there's a kernel parameter for this, but I cannot find any reference to one.Adding "ulimit -s" to rc.sysinit was not effective; I've grepped /etc/init.d but it is not used subsequently. So what I currently have is my default runlevel set to 1, with no services except udev-post, then in rc.local:


ulimit -s 1024
telinit 3

3 being my normal runlevel with all necessary services. However, again that ulimit is being ignored, because after login it is still set to 8192. If after login I manually set the limit and change from 3 to 1 and back again (to restart all services), everything is copacetic.

Does anyone know why ulimit -s is ineffective prior to login or how I can set the max stack size at boot time? I'm just noticing that under "upstart" runlevel services are not controlled by rc.d content. Preuming:

#1 My desire to make F14 work without upstart, using ye olde sysinitv which weren't broke so I don't need it fixed, is going to be like p'sing up a rope.

#2 That systemd is replacing upstart so I might as well try to learn about that.

how can I get "rc.local" functionality under systemd?

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Ubuntu :: Awn Stack Applet Crash

Feb 11, 2010

It crash giving this error: "Whoops! the applet crashed. Click to restart it" while i set Layout "curved gui"

And then i try to change its setting by clicking on "Layout settings".

Sometimes im able to get inside "layout settings" but then it crush when i switch
to another tab.

What to do for to solve this issue? Is some other way to configure it (maybe through terminal)

Or exist some better stack applet (mac like)

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Ubuntu :: Resolution Stack At 640x480?

Nov 8, 2010

İ have nvidia fx 5200. when i was install my driver resolution stack at 640x480 and i cant change to 1024x768.

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Ubuntu :: Which Mail Server Stack To Use?

Aug 19, 2011

I have always in the past installed and configured my own mail server with Postfix, Fetchmail, Procmail and Dovecot. I know that for a while the Ubuntu server team have developed their own server stack and so I decided to give it a go with my new 11.04 installation. However, when I look on Synaptic I see that there are two mail server stacks.

Both are described as
"mail server delivery agent stack provided by the Ubuntu server team"
What is the difference between the two stacks?

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Networking :: Odd Network Stack Glitch Seen?

Dec 21, 2010

I just encountered an odd network stack glitch and wondered if anyone has seen this before, or knows what could cause it. When I connect to services on localhost ( if there is a process listening, it works OK as expected. there is no process listening, I should get a NAK and see a connection refused message.With this glitch, that was not happening. And this was with to Nothing was listening, but the SYN attempts were all that were happening. If there was something listening that worked OK. Connections to other hosts worked as expected.

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Programming :: Setup A Stack (1kB) For My Module In C?

Sep 6, 2010

I need to call some other functions in "int init_module(void)" and module. So I need a stack. How can I setup a stack (1kB) for my module in C?

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Programming :: Thread Stack Using Pthread_attr_setstackaddr()?

Sep 22, 2010

When I set the stack base address of the child thread using the POSIX library function "pthread_attr_setstackaddr()", I am unable to access the memory contents of its parent. The data-structures that are created on the HEAP of its parent using malloc() are either getting destroyed or unaccessible when moving to the context of the child thread. These data-structures are being passed as an argument to the child thread.Even if I make these variables global then also it is not working.pthread_attr_setstacksize(tattr, ...);stackbase = (void *) malloc(...);pthread_attr_setstackaddr(tattr, stackbase);But when I create the child thread without setting its stack base address using that pthread_attr_setstackaddr(), then it is able to access the parent's memory contents.

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Programming :: View Stack Of Process?

Mar 1, 2011

If I issue the following and the process doesn't quit, is there a way to view what it's doing with the SIGTERM signal on the stack? Is this done via the pstack command?kill -s SIGTERM <PID>

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Programming :: Why The Stack Size Limit

May 1, 2011

Why is it in Linux that there is a stack size set by default? And why is it so small? (My system is set to 8192 kbytes.) And why is there a default limit on the stack size when the max memory and virtual memory size are, by default, unlimited? (Aren't they both fed from the same place ultimately?)

Reason I ask: I want to use recursive functions in my programming a lot more. Problem is, if the language (or implementation) doesn't happen to support tail-call recursion, then I can be pretty well certain that the first huge problem that gets thrown at my function is going to kill my program because the stack size limit is going to be quickly reached. Obviously, I can change the stack size limit for my own computers, but it doesn't feel so great knowing that most of the people who copy and execute my code will have probably have overlooked this. Anyway, does anyone know: is this small default stack size limit just one of those historical artifacts, or is there some technical reason for it?

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Fedora Networking :: Setting Up A Bridge With No IP Stack?

Aug 3, 2009

I'm trying to set up a Linux box with three ethernet interfaces as a bridge where I can do some packet filtering. I don't want this box to have any IP stack, packets that are allowed through the filter should be forwarded without changes just the way a switch would do it. I have build a kernel with ethernet support but no IP stack. It detects my interfaces, and I can bring them up with the ifconfig or ip commands. But when I try to start a bridge with brctl I get this error message:

can't setup bridge control: Address family not supported by protocol

A google search for that error message gave me no results at all. The command I used was "brctl addbr br", which does work on a full installation. Does brctl require IP support in the kernel? That would be a bit odd I think, since brctl doesn't do anything IP related, everything it does is at lower layers?

Does anybody know what the above message means, and what I might have been doing wrong?

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Ubuntu :: Firewire Application (new Stack) Permission

Nov 10, 2010

I have updated my computer to Kubuntu 10.10 (which has the new firewire stack enabled by default) and now my firewire application is giving permission related problems. I try to read CSR_CHANNELS_AVAILABLE_HI (defined in libraw1394 which is used by the application) to see which isochronous channels are available to use:


With the old stack (raw1394) there are not problems and it runs fine and I get the octlet back containing the information about the free channels. But with the new stack (firewire_core and friends) I get a 'permission denied' (errno = 1) error. I do have permission to read/write /dev/fw* and I even tried running the application as root without any luck. If I read the config rom of a node (located at CSR_CONFIG_ROM) there are no permission problems and I am able to get the information/ What am I doing wrong? Did something change with the new stack (even though libraw1394 should be compatible with both stacks)? Is it a bug?

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Networking :: Running Iptables Break The TCP/IP Stack?

Feb 14, 2011

I mistakenly ran 'iptables restart' on a server that was not set to run iptables. Immediately, the server quit making outgoing connections on port 80. It has problems completing a traceroute when another machine on the same VM Host can do everything just fine. One of our best networking technicians diagnosed it as issues with the TCP/IP stack on the OS.

I know that iptables is off, allowing all trafffic incoming/outgoing.

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Networking :: Identify All PIDs Sharing A TCP/IP Stack?

Jul 26, 2011

Is there a linux command (or command combination or utility) that can identify all processes (PIDs) that are sharing a TCP/IP stack ?

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Networking :: Ipv6 Stack Not Enabled On Centos 5.6

Jul 25, 2011

I've got a little server setup on my local network and I'm trying to configure it to use miredo. I've got my laptop successfully using it, but for some reason miredo gives this error when I try to start it:

Error: IPv6 stack not available.

also running "lsmod | grep ipv6" gives these results

ipv6 270049 1 cnic
xfrm_nalgo 13381 1 ipv6

I get the impression that ipv6 is not enabled on my server, but I'm not sure how I enable it short of doing a reinstall.

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Security :: Enable An Executable Stack For A Program?

Jan 4, 2010

I am trying to learn how a buffer overflow works, but I need to have an executable stack for it to work. How do i enable this for an individual program? I am using Arch linux and X86_64 btw

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