General :: Application Is Unable To Access Data From Snmp Port
Jul 2, 2010
Iam using snmp to access the remote system data.But according to the requirement iam encoding the snmp request data to OAMPDU packet format and sending to remote system.the remote system receives the OAMPDU packet,decodes it and is sending the snmp packet to snmp agent through UDP socket which is bind to port 161.but iam unable to receive the response from snmp agent.i have created a udp socket which is bind to 161 port to receive the response.
if i use any other free port number other than 161 for receiving snmp agent is not sending the response to that port.can any one please suggest me how to overcome this problem.Can we configure the different ports for tx,rx ?How do we know on which port does snmp sends the response ???
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Jan 22, 2011
So this is my first post so I'll put it in "Newbie".I seem to have successfully configged my httpd.conf file to listen on port 8008. I restarted httpd ok. However, when I go to port 8008 in a web browser from another computer on the internal network by going to 192.168.2.5:8008, it doesn't connect. When listening on port 80, I can browse to the IP address fine. is this a server-side or client-side issue? Using Fedora 12. Thanks in advance and tell me what forum this would best fit in.
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Jan 8, 2011
In cisco 6509 switch port 1status is being traped it is showing "SNMP CRITICAL - *down(2)*"
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Mar 1, 2011
Last week I installed Ubuntu 10.10 on my system in dual booting. I had installed succesfully both but unable to see data files from windows OS. Though I have excercised the options in various resources available on internet/blogs. System takes about 03 hrs during installation process. I am also unable to configure Thunderbird.
System hardware info is as -
System ManufacturerVIA Technologies, Inc.
System ModelKM266APro-835
System TypeX86-based PC
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Jun 13, 2011
In my linux machine i installed snmp and try to change the port number, but i got the following error" snmpd dead but subsys locked "in /var/log/messages Error opening specified endpoint "udp:1161"Server Exiting with code 1
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Jan 27, 2010
I have a WRTG54S Linksys router and Fedora 11 on my Asus EeePC and I would like to be able to access my Fedora remotely via ssh however I'm not sure which info and were do I need to change it in my router, also I want to be able to change the ssh port access is it from /etc/sshd_config ? My internet connection at home is via cable modem and with a connection that is always on. (no dialer)
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Jan 4, 2010
i want to port snmp-5.5 into dm6467.so i configured net-snmp for target.when i cross compiling netsnmp for dm6467,i am getting this error
mibII/at.c: In function `ARP_Scan_Next':
mibII/at.c:738: error: `ifIndex' undeclared (first use in this function)
mibII/at.c:738: error: (Each undeclared identifier is reported only once
mibII/at.c:738: error: for each function it appears in.)
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May 28, 2010
I am running a VPS of CentOS. clock command doesn't work.[174-37-247-102.lx-vs.net ~]# clock hwclock is unable to get I/O port access: the iopl(3) call failed. How to solve the problem? I have tried "timeconfig" and set to New York and System Clock uses UTC and restart the server but it was not useful.
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May 18, 2010
I have recently set up nagios on a ubuntu server (9.10), and set it up to monitor all the servers, switches etc, following the quickstart guide provided on the nagios website.My problem is this:I have setup the nagios-plugins, and tried to set it up to monitor the network switches via SNMP but receive the following within the nagios web interface:SNMP problem - No data received from host I tried it from the command line, and got the exact same error.Is there some further configuration I need to do to be able to get this data?I've used up all my google-fu, and read over everyone else's problems on every forum I could find, but to no avail.
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Oct 12, 2010
I have a seperate partition for my "/home" folder. Whenever I install a new distro I format my "/" folder.
This way I was able to access my old home data files since I install using a different username. Everything worked fine until last Sunday.
10.10, unlike other versions of ubuntu, has encrypted my old username in my home folder.
Then using this document [url]
I was able to mount my hard drive again. But all the file and folder names are like this.
Btw I don't remember selecting an option to encrypt my old home directory in the first place, what is this ?
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Jun 21, 2010
How do I find the port which is used by a particular application ?. And how do I terminate that process?
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May 18, 2010
Finding the process that is using a certain port in linux
I have an Ubuntu Server setup, where I'm trying to set up a daemon that wants to have access to port 8080. When I run the command, the error message says it's being used by another process. But which one, it doesn't say. How can I go about finding which program uses this port?
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Feb 9, 2010
I have a toshiba phone system that has a feature where it spits raw data and i can direct that data to a serial port on the toshiba phone system or to an IP/PORT the data is just ascii data - tells me calls that are made/time/etc
I would like to setup an existing linux box to capture this data and store the data for me
then later i can build reports based on that data (and for me a report could be just a few cat's/greps/etc so basic stuff) - but i can figure this out later.
for now i would just like to GRAB the data on a port and dump it into a file (and recycle files every 24 hours)
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Mar 5, 2010
I have an application where I am sending data via serial port from PC1 (Java App) and reading that data in PC2 (C++ App). The problem that I am facing is that my PC2 (C++ App) is not able to read complete data sent by PC1 i.e. from my PC1 I am sending 190 bytes but PC2 is able to read close to 140 bytes though I am trying to read in a loop.Below is code snippet of my C++ AppOpen the connection to serial port
Code:
serialfd = open( serialPortName.c_str(), O_RDWR | O_NOCTTY | O_NDELAY);
if (serialfd == -1)
[code]...
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Jun 11, 2009
I am using read() in c++ to get data from a serial port. However, if no data is available on the serial port the function blocks until dta arrives.Example code:
//------------------------------------------------------------
char m_readBuffer[255] = {0};
char* p_curChar = m_readBuffer;
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Jul 7, 2011
I am using Fedora 13 64bit. My eclipse program starts a server on port 9050 but I shutdown the program, eclipse fails to properly shutdown the server. Restarting eclipse has no effect.
How can I close or unbind a port forcibly from command line?
I know rebooting or log off and back on will clear the ports but this much slower process for me. I am looking for forcibly closing the port in command line.
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Jan 10, 2011
I copied a back up of my windows 'my documents' fold and all of its' sub folders into my linux (Mint Debian) Documents directory. I found that many of my files can be found in more that one directory so, what I want to do is to find all the dups and deal with them. Is there a good linux application to resolve this 'duplicates' problem. (I don't want to touch the linux system files.)
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Jul 7, 2010
I am trying to send data through a USB port to a printer which can recieve text file. Now to send the data to the printer I am doing echo "Hello World" > /dev/usb/lp0
but the data doesnt seem to be sent to the printer because I have an analyzer to monitor the data sent to the printer. Is there anything else which I need to do
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Apr 5, 2011
I want a log or live data that discloses the system calls an application makes. I have used strace but can't find a guide for it that is decent. I'm interested in knowing the calls made after user intervention like opening a menu and so on. If you run (strace application_name) it is static. What good is this? When does strace make this file? When is this log produced?
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Aug 12, 2010
I'm trying to configure SNMP service to send traps to SNMP server. I've installed net-snmp-utils, now I need to configure the "snmpd.conf" file...
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May 10, 2010
I'm trying to set rxtxSerial to work so a Java app has access to a serial port (via SiLabs CP210x driver, port /dev/ttyUSB0). When I use update-alternatives --config java, there are 3 alternatives which provide `java'. I have tried openJDK and Sun. Both fail but with completely different messages.
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Aug 16, 2010
was wondering if there is an alternative method to using udev rules in order to get access to the USB serial ports. Is there a command to check the names and give them to you? I'm looking for something along the lines of "ttyUSB".
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Nov 18, 2010
I have written a simple server application (with an HTTP interface). I want to ensure that only calls from the local machine are processed - i.e. I want to prevent outsiders from accessing/using my server.
How may I restrict outsiders (i.e. requests from remote machines)?
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Aug 23, 2010
how to access networking port and run scripts on that port so as to gain access of remote machine.is that possible through command prompt or through software.
i kno ip address of my frnd who is chattin with me .okay.i want to run an application on his computer .i came to kno tht we can run script o through port
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Mar 28, 2010
I'm not that great with mailservers, and just been thrown a curveball with a MS Exchange environment for which there is apparently no solution... yeah, right. But is there a workaround?
The problem is that the site mail (SMTP) needs to be sent via port 26 instead of the commonly used 25. Port 25 is mapped to a mailfilter, which apparently causes havoc with some of the mail, and the techs that have been on site trying to coax the Exchange server to co-operate have said that the only way would be to get rid of the filter.
The problem is that there are number of apps that are unable to have the outgoing port changed and so keep sending mail out on port 25.
I look after the Unix/Linux side of things at work, and I was wondering if there was an easy way to set up a Ubuntu box to receive mail on port 25 and just forward it to the MS box on port 26? So, in other words (and I hope this makes sense): monitor port 25, and forward whatever comes in on port 25 to the server on port 26. Simple portforwarding, or is it? What steps do I need to take?
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Apr 24, 2010
My laptop died. I was running FC11. I have taken my harddrive out and connected it to an usb-adaptor and mounted it on my FC11 desktop. However, when I open it all I see is grub. Palimpsest sees both the 250MB of grub and efi etc., and it also sees 120GB of LVM2. I cannot however access any of my data.
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Nov 8, 2010
After upgrading to FC14, things went south for some of the websites etc I run. I have the following snmp related packages installed:
php-snmp-5.3.3-1.fc14.i686
net-snmp-devel-5.5-21.fc14.i686
net-snmp-libs-5.5-21.fc14.i686
net-snmp-utils-5.5-21.fc14.i686
net-snmp-5.5-21.fc14.i686
On a number of sites I use PHP's snmpget() function, but now on all these I just get this error: PHP Warning: PHP Startup: Unable to load dynamic library '/etc/php.d/snmp.so' - libnetsnmp.so.15: cannot open shared object file: No such file or directory in Unknown on line 0 PHP Fatal error: Call to undefined function snmpget()
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Feb 19, 2011
We purchased a new database system at work last October, ditching the old system because of a lack of support from the vendor. This is a retail Point of Sale and Backoffice database system. I am not sure what system the new one runs on, but the system we replaced was a Firebird data base. The reason I am posting is because we are now in need of the information contained in the old database which was not completely imported into the new system.
Basically the problem is this: The database in on a Windows XP system and I found a copy of SQL Manager Lite 2008 on the system, which after quite a bit of studying, I figured out how to extract the database into a removable file. I have this file (178MB) on a USB stick in a file called Backoffice.fbd.
My studying suggests to me that I can get into this database with MySQL. I have never used this and have no clue how to do this. All I want to be able to do get into the database and create tab deliminated spreadsheet files for each of the database sections (Customers, Repairs, Sales History, stock files, etc.) Is it possible to do this with Ubuntu and MySQL and if so, can expert suggest one or two things to get me started. While a guided tutorial would be nice because I am not an expert, I am willing to learn on my own if someone could point me in the right direction.
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Jan 18, 2011
I have a data in existing kernel & I need to update a new kernel version so afer the upgration , how can I access the data from the previous kernel.
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Aug 6, 2011
I am trying to make my home server accessible to the whole web. I have installed Nginx on my Fedora 15 64-bit Linux machine, and it works with localhost but it doesn't work online or allow other computers on the network to access it via the IP address. It keeps coming back with: Could not connect
I have port forwarding. I have even tried different ports but they all seem to be blocked. What could be wrong? I have a netgear router.
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