A communication end-point for networking, for CPUs please use [processor-socket]

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2answers
4k views

Is it possible to upgrade the AMD E-300 APU on a laptop?

I read that this processor is BGA. That would mean that it is soldered to the motherboard? Can an average laptop technician replace it? This processor is very slow, it scores only 600 on the Passmark ...
3
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1answer
231 views

No-socket alternative to tmux or screen

My university gives each student a directory on their AFS which is accessible via SSH. There is a (light) CLI-driven piece of software that I would like to run continuously from the university. I ...
2
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1answer
557 views

Simulating a network issue for a specific application

This is somehow a developer question, but as it is more related to operating systems and network connections, I will post it here and not on Stack Overflow. I'm trying to simulate a situation when a ...
1
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0answers
427 views

websocket behind a firewall

I have a computer with a strong CPU and a lot of memory (strongy) running Windows Server 2008 R2, that is blocked by a firewall from any access from the outside world. I have a computer with a weak ...
0
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1answer
73 views

Can socket files cause storage system atrophy?

I was thinking about setting up a web server on a Raspberry Pi, RPi boots from an SD card. The server is meant to be able to be in operation for a very long time, 10 years is it's expected life span. ...
3
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1answer
913 views

How do I run mysqld as a regular non-daemon program?

I'd like to run a local copy of mysql, to keep software development environments isolated. However, I can't seem to get the mysqld server to start up. I've created a database directory with ...
1
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1answer
1k views

Too many open files on socket

I have a big problem and that is that my company's production application which I unfortunately can't shutdown and restart ( I am unsure how, and I don't want to do any mistake) is spitting out a lot ...
0
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2answers
90 views

Is it possible to see content of TCP/IP connection?

This is a bit weird. I want to see the content of all TCP/IP connections coming in/out of the system. Is any of this possible on the same machine? I know I won't be able to see encrypted content but ...
0
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1answer
779 views

Not receiving responses sent from a different subnet when my machine is on DHCP

I am building a utility to communicate with some hardware that comes with a default IP address of 10.0.0.1 and subnet mask 255.255.255.0. The hardware replies to UDP messages on the same IP and port ...
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4answers
8k views

Send message to specific port on Windows cmd.exe

I'm playing with a program on desktop. It's listening on port 5060. However, I don't have anything sending to this location/host. If I open my laptop's command line, is there a way to send a ...
2
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2answers
7k views

TCP: Maximum number of connections (client and server)

In the description of TCP in the Wikipedia, it is stated that The number of sessions in the server side is limited only by memory and can grow as new connections arrive, but the client must ...
0
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2answers
567 views

How does the OS generate a random socket port?

I'm wondering how the OS makes sure that the clients don't get the same "random"(binding the socket by setting the port to 0) port as any other client in the network, since I want to communicate using ...
18
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3answers
20k views

linux named sockets howto

I know that there are named sockets & named pipes (fifo) in linux. In ls -l, they would look as below:(I have changed the filenames, for demonstration.) prw-r--r-- 1 root root 0 Nov 8 16:31 ...
4
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1answer
1k views

How does SSH tunneling work at low level?

I am interested in the exact mechanism that occurs when an SSH tunnel is stablished. Supposing we have 3 computers: LOCAL host, INTERMEDIATE host, and REMOTE host, with this topology: Localhost --- ...
0
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1answer
172 views

How to fix 0x800CCC0E Error Codes?

I recently started receiving the above-mentioned error which is apparently a Winsock error message it is preventing me from checking my e-mail with Gmail, although there is no problem with my e-mail ...
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2answers
739 views

Meaning of “netcat can be used as a backdoor” [closed]

I recently read about netcat and it is often mentioned that it could be used as a "backdoor". What exactly is meant by backdoor? Could some one give an example of such usage of netcat.
26
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3answers
19k views

Can I monitor a local unix domain socket like tcpdump?

I'd like to monitor responses on a unix socket without disturbing the original connections and pipe them to a script for processing. I know how to do this with tcpdump for tcp connections but I ...
1
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1answer
646 views

Restricted ports to non-admins on Windows 7

I work in a restrictive desktop/network environment and I am not an admin on my laptop. The ports available to me are limited. E.g. when I tried running Tomcat, the system refused to open a socket ...
0
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1answer
420 views

Where to put unix sockets

I am new to this, so sorry if its obvious. I am running a debian server and installing the likes of UWSGI, NGinx etc on there. The configurations keep talking about pointing to "sockets". In the ...
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1answer
1k views

Bridging two sockets

I wondered if it is possible to bridge two incoming tcp sockets. For example: Client A -----> Server <----- Client B The the server sends it's magic to both clients and then they connect ...
2
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1answer
675 views

inetd analog for Windows

Need a better analog of inetd daemon for Windows. Currently using http://sourceforge.net/projects/winetd/, but it's outdated with bugs present. Please recommend any better solutions for running your ...
0
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2answers
1k views

SSH over local unix socket

I'm trying to make a tunneling application to use SSH over a HTTPS connection, with a custom client and server at each end, where the custom client opens a unix socket that can communicate with the ...
1
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1answer
679 views

fcgiwrap listening to a unix socket file: how to change file permissions

I have a web server (nginx) and a CGI application (gitweb) that is ran with fcgiwrap to enable Fast CGI access to it. I want the Fast CGI protocol to take place over a unix socket file. To start the ...
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1answer
776 views

ARP: 'Who has' broadcast resulting in TCP segment losses

I have an issue with a simple TCP connection between two PCs (both Windows XP SP3) connected by direct wire to each other. These PCs have IP address 10.10.10.1 (server) and 10.10.10.2 on the network ...
2
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1answer
885 views

Disconnect a Program from its Socket or Port in Windows 7

I am working on a hack for internal purposes whereby I want to disconnect a program from it's socket without killing the process. For example, program A (running xxx.exe) is running on port 50000 and ...
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2answers
2k views

Socket error sending data from Loftware to Zebra ZM400

I am occasionally experiencing problems with my Zebra ZM400 printer. When I print a label from Loftware, sometimes the label does not print. When this issue occurs, I can't ping the printer nor can ...
1
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1answer
596 views

Do both CPUs on a dual socket system need their own set of RAM?

I have a server motherboard with two sockets that support triple-channel memory. Each processor has 6 DIMMs. If I plan to use both CPUs, should I populate at least three of the DIMMs on each ...
0
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1answer
426 views

Why does it take so long for Eclipse to connect to a JUnitRunner process when IPv6 is enabled?

When IPv6 is enabled on my computer, half a minute passed between starting a new JUnit process and the test tree appearing in the JUnit view. When I disable IPv6, the tests appear immediately. What ...
0
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1answer
818 views

Is it safe to create a link to a socket file in /tmp?

I'm a bit confused as to see that going from one Linux distribution to another, the package managers will sometimes configure processes to create the socket file either in /tmp or in ...
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2answers
3k views

Upgrading mobile processor, socket confusion

http://en.wikipedia.org/wiki/Socket_G1 I have a Socket 989 rPGA (I think, Dell Inspiron D7010). I have 3 questions that I could use some help with. According to wikipedia, with Socket 989 rPGA can ...
0
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4answers
1k views

How to enable ports on a wireless network for java socket programming

Background: I have written a java server-client program. The server accepts incoming connections on port 2175 and writes responses on 2176 which the client listens on for the response. I am sending ...
2
votes
1answer
564 views

estimating size of reply HTTP headers

I am trying to download a file via a basic socket connection, using a HTTP GET request. So, I have to specify how many bytes of data coming in I have to read from the socket. However, I am having ...
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5answers
1k views

How do sockets deal with routers?

(Not sure if this should be on the unix stackexchange site...) When I make a socket I use IPv4 and a port number. So if I know both of these, but there's a router set up (on a home network; just ...
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1answer
214 views

Can I tranform my dvd drive in Acer TravelMate into hdd case?

I would like to transform my dvd drive into HDD/SDD socket in my Acer TravelMate 5742G (so that I can use 2 hard drives). I have been looking for something similar on the web but unfortunately I have ...
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4answers
2k views

What Can I Do With US Laptop's Power Plug's Ground Pin?

DELL Latitude E6420 that i have got in USA has this plug: While i have these 2 UK adapters: Usually neutral and live fit, but ground pin creates here a problem as the plug won't fit into israeli ...
2
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1answer
1k views

UDP Hole Punching impossible with non-well-behaved NATs?

Normally a NAT will keep the public end point of a local end point the same for all packets that are coming from it, thus making UDP hole punching easily possible. However, some NATs will map the ...
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1answer
5k views

Sending Packets to tap0 interface

I've been trying to send packets to a tap interface using python. I'm monitoring the tap interface using wireshark and no packets are being received. I'm doing this as an exercise mainly to help my ...
0
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1answer
182 views

Linux init local socket with '@'

I have experience with using local named and network sockets in C, but on Linux (Fedora 14), using GNOME system monitor, I notice that a local socket, being used by the init process, has the path ...
0
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1answer
807 views

OSX: how to check what is taking ports or sockets

I am having trouble with L2TP/IPSec on my OS X 10.7.2 machine and I was wondering what is the best way to figure out which process is taking particular sockets or ports; My related posts (below), ...
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1answer
258 views

OS X: how to figure out what prevents L2TP/IPSec from running correctly

It seems that an old installation of Cisco Anyconnect prevents the OS X built-in L2TP/IPSec client from running (I posted a question here: OS X 10.7, can't log into any L2TP VPN server, but didn't ...
10
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3answers
2k views

Does Windows take care of closing sockets when processes exit?

I've read up this question about Linux, Can a port be bound when the process has terminated? Linux appears to clean up after processes exiting, and leaving open sockets. I was wondering if there's any ...
5
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1answer
603 views

Does TCP/UDP send file sequentially or randomnly?

Does TCP/UDP protocol always send or receive file packets sequentially? Would it possible to make a choice which data packets will be sent first using sockets API?
3
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5answers
7k views

Will socket 1155 cpu work in 775 mobo

will INTEL Celeron G440 BOX (s. 1155) work in ASROCK G31M-S R2.0 (s. 775) motherboard? I belive I heard that AM3 cpu can work in AM2 mobo is it the same case with intel.
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1answer
499 views

Sending a file via TCP/UDP socket

I'm reading about TCP and UDP from a article. In the end what I understood is that UDP is faster than TCP but it is unreliable. So if I'm going to a send a file, If use UDP, would it be faster than ...
0
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0answers
518 views

Accessing serial port via sockets

I'm on windows and I need to access my com5 serial port via sockets. I tried serproxy but it does not work. Is there a better tool to do it? This serial port com5 is a virtual serial port of my 3g ...
3
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4answers
95 views

TCP/IP on the transport level

I'm trying to understand what happens when I send a packet using a socket on the transport level. Do all packets which leave my computer go first to a geographical location designated by my ISP? Then ...
0
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1answer
125 views

Video player that can be controlled by Socket / TCP

Is there a Video Player that can be controlled with TCP? I think VLC supports this - but I can't find any easy to follow instructions on how to do this. I will be using this on a windows 7 machine, ...
5
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1answer
3k views

Is sharing a tmux sockets between hosts possible?

I'm wondering if it's possible to share a tmux server socket between different hosts. For example, I have a virtual machine (guest) running inside my host, and I'm running a tmux session in the guest, ...
2
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1answer
275 views

How does the Inetutils telnet utility determine if a connection is still alive?

I've started using sockets in programming with Java (I have experience with Python), and while testing a server that I'd written with the telnet command, I noticed that the utility responds ...
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0answers
693 views

Java - SocketException: Address family not supported by protocol family: connect

My Java connections seem to be failing a lot at the moment. When I run one piece of software with cmd open I get the above exception and sometimes class files don't load for web based Java programs. ...