SUSE :: Serial Comms With No Terminal Nonsence - Raw
Nov 29, 2010
How do I get a serial device to simply send me the data without mucking it about. I mean, if I write a c prog in DOS or a C prog on an embedded system, I get the bytes that ar sent down the line. With linux I seem to get extra characters in it (0x1A crops up alot) and its very frustrating. I am using a virtual machine with WinXP in it, merely to monitor a 38400 baud 1 stop bit 8 data bits serial line. The linux terminall /dev/ttyUSB0, throws data at me nicely but about 10% of it is gonk. I want some magic command
like stty -F /dev/ttyUSB0 38400 -totallyraw
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Mar 3, 2011
I need to do some serial comms work and need an equivalent to hyper terminal on Debian. Does it exist?
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Dec 23, 2009
I'm installing OpenSuse 11.2 on some systems. Unfortunately the only mouse available is a serial mouse. Hence the installer doesn't recognize the mouse.And it is somewhat cumbersome using the TAB and ARROW keys to navigate the graphical installation.Does anyone know of a boot option I could use to get OpenSuse's installer to recognize a serial mouse ?
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Feb 27, 2009
I want to install a TUSB3410 USb to serial port device on suse 10.3.
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Apr 27, 2009
The /dev directory on my system shows the following entries:
/dev/tty
/dev/tty0
/dev/tty1
[code]....
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Mar 14, 2011
Which package holds the serial terminal cu or similar program?
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Mar 2, 2010
I am using screen for serial terminal, but it seems to be lacking in that there is no scrollback. Is there any way to configure scrollback in screen or is there another terminal emulator that is full-featured and allows scrollback?
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Apr 16, 2011
I would like to listen to a virtual serialport (dev/ttyACM0). I heard you can this with the terminal in Linux. But how? Does anyone know some commands?
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Jan 14, 2011
I'm using CentOS 5.5. I connected serial terminal using "cu". The command I had given was "cu -l /dev/ttyUSB0 -s 115200". It connects I'm seeing the target boards boot-up messages and log in screen. But I couldn't type anything on "cu" terminal window.
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Jan 15, 2010
I am new to linux terminal programming and all but i want to set up a simple serial communication from my desktop through USB port. The actual idea to to write some data in the terminal and build a terminal program that sends the data to the usb port with a fixed baud rate. are there ready made terminal programs available for this simple communication?or atleast any Graphical tools which could help me build and design such a terminal in ubuntu 9.04?
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Dec 6, 2010
I want to write a program that intercepts in real-time all network comms of whatever protocol that goes through eth0 (in and out) on my box. What do I need to take into account and where can I get necessary info? Pointers to samples & algorithms would be most welcome. There must be a standard way to access/use eth0, but I can't find.
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Mar 3, 2011
I was playing around with a script that seems to work relatively for my needs when SSH comms fail - AKA a user or someone attacking. This works. But, how would I add a threshold value? lets say if there are 3 entries, then perform add the IP to iptables as a rule.
Code:
#!/bin/sh
#
# FIREWALL SCRIPT
#
# March 1st, 2011
#
# Purpose:
# Add offending IP from failed SSH connections
# to the iptables (firewall) rules.
#
## Vars:
TIMETHRESHOLD="10" .....
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Jan 13, 2010
I am trying to get two way serial communications going between a Windows XP system and a Linux system (RHEL 5).I have /sbin/agetty -L 9600 ttyS0
in /etc/inittab. I am using a generic USB to serial adaptor on Windows (Unitek) and a null modem cable. I have putty configured for 9600 baud, 8 bits, no parity, one stop bit, no flow control.I get the login prompt from agetty in the putty window but input does not work; I see weird characters in the putty screen. I can echo output into the device from windows and see it, but
cat < /dev/ttyS0. just prints out weird characters from what I type.
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Feb 21, 2009
On my CentOS 5.2 install I've installed a dual-port serial card based on the NetMOS 9835 chipset. I've followed the serial instructions, but everything they tell me to do is already done - see setserial outputs below. I've compared these values to the lspci output (below, NetMos card is at the bottom of the output) for the card and it appears right. Problem being, I can't use the serial ports. Oh and I did use search, and looked at every 9835-related article before posting this :)
[Code]....
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May 11, 2011
I am designing a program called "Microcom", a VERY tiny terminal "emulator" (more like a serial console). I am making it specifically to work with uClibc to use as a serial console for my floppy disk distro.
Problem is, it works fine receiving data but it does not send any data.
I am stumped at why it does not send data!
Code:
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Oct 9, 2015
I am hoping to be able to get an old serial-touchscreen to work with a usb/serial adapter. I had this touchscreen working some years ago on different hardware. I would like to hook it to the machine I am setting up as a multimedia host with mythtv among other things.
Following the instructions I left behind when I got this to work way back when does not work. See [URL] ....
This info is a work around to get the xserver to see the touchscreen. [URL] ....
I do know that the touchscreen works as I am able to get garbage on the screen as in the first part of my howto. But I have not had any success getting xorg to see it. I wish I had posted a copy of the xorg.conf at the time, but......
There is an issue with the current xserver in testing that I am hoping the next update (in unstable) will fix when it gets pushed to testing. That is that Code: Select all# X -configure fails with a segfault. So I am not able to generate the xorg.conf needed to get it to work. I was going to post a bugreport, that is when I found out there is an update in unstable, so I am waiting for it to get pushed at the moment.
Anyway I am hoping that I can link /dev/ttyUSB0 to /dev/tty0 and get it to work. I would like some kind of guess as to my chances of success before I go to all the work of getting the monitor hooked to the host.
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Jun 21, 2011
I have a bit of a dilemma. I'm attempting to use a microcontroller to send MIDI messages over a virtual serial port. I want to (eventually) read them with Mixxx. I'm using an FTDI chip, so I get a /dev/ttyUSB0. I've tried spikenzielabs' Serial-Midi program, but it doesn't see any serial ports. NOTEMIDI looks really old and won't compile on my 10.04 LTS machine.
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Mar 23, 2010
We have a new machine with RedHat enterprise 5 on it. I need to connect a serial cable to the serial port and talk to another system (old alpha system) instead of using a VT connected to the alpha.Does RedHat come with anything like Keaterm/hyperterm/etc etc?
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Mar 26, 2010
I am trying to to communicate from local host (Linux suse11.2) to remot server (solaria) X server through following steps:
1. telnet remotehostIP
2. setenv DISPLAY localhostip:0.0
after running an application such as xclock, the terminal dose not show anything, it looks like that the xclock application is running but its not displaying on my screen.I also tried xhost + remotehostIP then ssh -X loginremotehost but didn't solve the issue.
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Feb 13, 2010
What command is used to install applications in openSuSE terminal?
I mean something like 'sudo apt-get install ...' in Ubuntu or 'yum install ...' in Fedora.
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Oct 31, 2010
In order to create S.T.A.R.T. copy and past the text in the following code section into your favorite text editor and save it into your home area bin folder as the file start (~/bin/start).
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Mar 30, 2010
I have installed opensuse 11.2 without graphical interface. Configured whole server with ftp and hosting. This suses-server is in LAN with my home computer and without keyboard, monitor and mouse. What to use to connect from my Windows platform to terminal of suse so I don't need extra hardware?
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Jan 14, 2010
I bought this laptop several years ago. It had Vista. Just long enough for me to download SUSe, nuke and pave the HD and install Linux. Recently I upgraded from 1 GB to 4 GB of RAM, the maximum that is allowed given the motherboard (based on from what I am able to learn the Intel 945 chipset).
After upgrading to 4 GB, the machine (according to "My Computer") only sees 2.9 GB. I understand that under an earlier version of the BIOS that the machine would not recognize the RAM correctly. Additionally the "My Computer" page lists the display as "Intel 945GM". My problem is that I can find no Linux utility to flash the BIOS on this machine-- Toshiba only provides the BIOS included in an .exe file for either XP or Vista. I am hesitant to use the BIOS for the Intel 945 series motherboards from their site.
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Jul 20, 2010
I intend to re-install open suse 11.2, 32-bit. On a previous install,suse did not provide a grub entry for ubuntu.My current setup has
ubuntu/root on /dev/sda6
ubuntu/home on /dev/sda7
ubuntu/usr/local on /dev/sda8
[code]...
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Jul 22, 2010
I am running memory test on SUSE, Memory test is just writing some patterns into a memory and reading it back in all CPU threads. After a while, when memory test is running in the background , I am trying to reset the system by echo b> /proc/sysrq-trigger command, Upon SUSE warm reset , I am seeing some UNCORRECTABLE MEMORY ERROR in model specific register (MSR : 0x421),
I am seeing this behavior on one of my server which has huge amount of memory.,Have you ever seen this UCECC error when SUSE generates warm reset when memory test in the background ?
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Nov 18, 2010
I've got several language multimedia CD-Rom's, made for Windows 95/98/98 SE and 2000, that I'm using by means of my daughter's old PC (Win 98 SE O.S.). However I noticed, also, that you can perfectly use them even with Windows Vista. What I'd like to know is if you can use them even with Suse/Novell and (why not?) OpenSuse Linux.
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Jul 5, 2009
OK... I tried everything i could think of... but i still cannot get my Open SUSE 11.1 to mount my samba share at boot! I still don't understand the 11.1 boot sequence. can NE one help me... tell me what files to give you output from... Ty guys P.S. My shares originate from a Windows Server 2003 RC2 machine, and it's dns server doesn't work correctly... so my mount command is
mount -t //192.168.x.x/files/ /nET/ -o username=linux,password=xxxxxx
please let me know what other info you need... I don't have the internet, so it will be tommorow b4 i see this again!!! Thanks
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Sep 8, 2010
When i am adding a user using "useradd -d /home/test test" or "useradd test", it is now creating the home directory, whereas when i am using the graphical mode and going through several menu options, i am getting the home directory.
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Jun 30, 2010
I am new to Linux and wow, it did not take me long to run into a huge snag. I am running Suse Linux Enterprise 10 on a laptop and by some strange reason the computer froze from overheating and I was forced to shutdown improperly. Once I restarted it booted right to the command prompt when it usually instead boots to the default user. I managed to get gnome running using the "startx gnome" command. But when gnome loads, none of my normal extentions load like my wireless driver, the sound driver, etc. how to restore gnome to automatically load the default user on start up or fix any other damage I might have done? lol
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Jun 8, 2010
i have windows 7 installed on my laptop and working fine..i want to install Open Suse 11.2 along side. I tried installing by booting with DVD for Suse. But it gave me warning to delete the windows partition.I would like to keep the partition intact with windows 7 and install Suse. Any suggestions ?I can create partition on my laptop but i do not want to modify the current windows structure.
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