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• Using (embedding?) wireshark in a C application for sniffing

  - by happy_emi

  I'm writing a C/C++ application which needs (among other things) to sniff packets and save the output in a file. This file will be read and processed by wireshark after a few days, using a LUA script to do some other stuff. My question is for the sniffing part which must be provided by my application. I can see two ways to do this: 1) Fork the wireshark process in background (of course using the command line version) 2) Using wireshark as library: no forking but include stuff like "wireshark.h" and link against libwireshark.so, thus using function calls to do the sniffing. So far I haven't found any documentation about #2 and it seems that #1 is the "right way" to embed sniffing capabilities in my code. Do you think I'm doing he right thing? Does wireshark allow embedding as a library?

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• Proxy server modifying request/response upon pass through

  - by jamiei

  I would like to set up a non-transparent proxy server that will selectively modify HTTP requests and responses as it passes them through. The motivation for wanting to modify the data on the fly and not at the original source are not part of the question. I'm hoping there is a solution which allows the modification scripts to be written in a mainstream programming language. I am aware of guides for Squid which allow you to flip images etc on the way through but I was hoping for a slightly more established and less hackish solution. Does anyone know of an established open source project or environment (Any major platform) which would allow me to script in arbitrary modifications to the data being passed through?

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• How to monitor a folder and trigger a command-line action when a file is created or edited?

  - by bigmattyh

  I need to set up some sort of a script on my Vista machine, so that whenever a file is added to a particular folder, it automatically triggers a background process that operates on the file. (The background process is just a command-line utility that takes the file name as an argument, along with some other predefined options.) I'd like to do this using native Windows features, if possible, for performance and maintenance reasons. I've looked into using Task Scheduler, but after perusing the trigger system for a while, I haven't been able to make much sense of it, and I'm not even sure if it's capable of doing what I need. I'd appreciate any suggestions. Thanks!

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• How does Apache process several requests at a time?

  - by Vicenç Gascó

  In a short question: If 10 requests hit Apache, does it process them one by one, so when R3 finishes, then it starts to run R4, or does it fire 10 processes/threads/whatever and are resolved simultaneously? Now some background: I have a PHP script that takes up to two minutes to do some processes. My question is: while a client is waiting for this 2 minutes, all the other clients requests are being processed? Or also waiting for this one to end? By the way, if there are simultaneous request, how can I handle them? Let's say put a limit on them. Or a limit on resources consumed. For instance I want the server to use its 80% performance on serving the webapp, and just a 20% for those long operations ... because I have no hurry to end them. Doesn't know if it cares but is all in PHP. Thanks in advance!!

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• Overload Protection

  - by Tyron

  Is there a simple way how I could redirect a visitor (via .htaccess or PHP script) to a static page when the server is overloaded from too many requests? It doesn't have to be a protection against huge amounts of requests at once or protect against DoS Attacks. I think our server would be protected enough if we could prevent the standard website to be shown and instead show a single file "overloaded.html". Also how could I get a measure for a server being overloaded on a typical managed server (= non root access to a Linux server) environment?

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• Grub2 menu after crash

  - by poopa

  Hi, I have ubuntu 9.10 desktop VMware VM with the default grub2 installed. There is some weird problem with this VM. When you clone this vm and have a customization script run, the cloned machine crashes at first boot (VMware does not officially suport customizaing Ubuntu newer than 8.04). After the creash the Grub boot menu is displayed but there is not time out. I checked /boot/grub/grub.cfg and it does indeed show a timeout of 10 seconds. Nothing happens till I select an option with the keyboard. The second time the Ubuntu loads, it does not crash. My question is, how do I make the grub menu timeout in that case? Thanks.

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• SVNNotify Where is it? how do I find it?

  - by John Isaacks

  I am on ubuntu. ok first of all I am running a post-commit script. I need the path to svnnotify to run it. The path the turotial I am reading has it as /usr/local/bin/svnnotify but nothing is in that location on my computer. I tried it anyways and I get something like: Warning post-commit hook failed: not found so I think I need to replace /usr/local/bin/svnnotify with the correct path to svnnotify. Well I do a search (Places>Search for Files) for svnnotify and nothing comes up. I know svnnotify is installed becuase if I open a command line and run svnnotify it tells me I am missing the required path argument. So how can it be installed if its not in the file system anywhere? I don't really know how linux works, its very new to me, so I am confused. Is there something I am missing?

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• htpasswd and htaccess in Plesk 9.3

  - by J White

  Greetings Here is my situation. I currently have one website on my dedicated server. As of now, I have protected the directory /exclusive using the Plesk control panel. I am having a billing company install their password management script on the server but they need the absolute location to the .htpasswd file. I can't find it or the .htaccess file. Would it be easier to unprotect the /exclusive directory and create the .htaccess file in notepad? If this is done, where should I place the .htpasswd file? -jw

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• Building a Student Storage server

  - by DobotJr

  I work for a school district. I've been put in charge of building a storage server for students. A place for them to work off of from school and home. My challenge is getting this to work from home. At school they login, authenticate, and they get a mapped drive to their folder on the server (S:\fileserver\studentname). My question is how can I make this available to students at home? The server is running Windows Server 2003 R1. I've got PHP, Apache, and MySQL working together. My idea is to write a script that will "crawl" through the directory containing all of the student folders, then create an instance of every file and folder in a MySQL DB. Create a login page that will use LDAP for authentication, and once they login to the server from home, they get a page with folders a files tied to their username. Has anyone out there ever put something like this together??

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• Repository Spec file

  - by ahmadfrompk

  I have source of webfiles. I need to make a RPM for it. I have placed my source in SOURCES folder and use following spec file. But it is creating noarch rpm with 2MB size, but my source is greater than 2MB size. Its also did not attach files with this. I think i have a problem in spec file. Summary: my_project rpm script package Name: my_project Version: 1 Release: 1 Source0: my_project-1.tar.gz License: GPL Group: MyJunk BuildArch: noarch BuildRoot: %{_tmppath}/%{name}-buildroot %description Make some relevant package description here %prep %setup -q %build %install install -m 0755 -d $RPM_BUILD_ROOT/opt/my_project %clean rm -rf $RPM_BUILD_ROOT %post echo " " echo "This will display after rpm installs the package!" %files %dir /opt/my_project

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• Learning project Custom c# Cms [closed]

  - by user313378

  I want to start new project customCms, cause I think it's a good starting point to implement my collected knowledge from c#, ddd, nhibernate, mvc3, js. It will be great if I hear some guidlines from expirienced users here. I will use C# ASP.NET MVC3 razor view engine. Also I was thinking of NHibernate ORM, I dont know if using Nhibernate will cause performanse down. Initially MSSQL 2008 will be used, but using ORM layer cause that I can switch to some other db with no pain. I was thinking to create News entity which will have properties Id Name Created Updated IntroText Content Title Author ListPhotos Every input will be validated with untroub. java script on the view, and it will be validated on db level as well. Maybe it is best approach to create some interface which will be implemented by my cmsClient entity like NewsEntity. In this interface will be included everything it should be requested from my client in future. At least some stuff which are not included in entity right now, consumed data by rss feed, wcf, etc. So basically everything you think its good idea from documentating project, to coding. Everyone is welcomed to brainstorm for custom cms.

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• How do I check if a process (Firefox) has quit?

  - by Al_Jehle

  I am using Ubuntu 12.04 64-bit, with all updates installed. I made a simple shell script that starts a SOCKS5 tunnel and launches Firefox (with correct network proxy settings) to use the tunnel. How do I recognize when Firefox has ended (when I close it) so that I can close the tunnel? Also, it would be awesome if I could run this in the background, but not necessary. #!/bin/sh ssh -fCN -D 10000 server.com firefox //To lauch firefox using Ubuntu ? Code to determine when firefox has quit Code that kills the tunnel

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• Tomcat hangs in shutdown

  - by Morven

  I have a Tomcat server that won't shut down. It is listening on the correct port (8005, for this one) to receive the SHUTDOWN command. I can issue that command, either with the bin/shutdown.sh script or by telnetting to that port and typing SHUTDOWN. At this point, the shutdown port closes; I can no longer connect to it. The AJP13 port stays open, though; nothing is logged in catalina.out, and things don't shut down. Anyone seen this before? This is on Solaris 10 on Sparc, if it matters (it probably doesn't) and Tomcat version 6.0.20.

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• Command-line tool to search for file names on offline backup drives

  - by halloleo

  I am looking for an open-source (command-line) tool to register and search all my (backup) drives on a file name level. I want to search for file and folder names preferably written as regular expressions or file glob patterns. The external drives contain just normal HFS and NTFS filesystems. The backups are done via direct file copy. Requirement is that the tool compiles on OS X and works without each of the drives attached, but rather pointing me to the drive in case a drive contains a file with the pattern I searched for. At the moment I use a hand-knit script solution with locate databases, one for each external backup drive, but this is rather cumbersome, because locate itself can accesses only one database at a time and does not contain any management system for all the indices/databases. Are there any other tools out there for this?

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• AR9485 wireless card loses ability to connect after hibernation

  - by DrewDiezel

  This has happened twice now, the first time it happened I just reinstalled Ubuntu. The only things that I've been messing with in terms of networking, have been restarting the network-manager service after I resume from hibernate (because it never works right after resume, but restarting the service fixes that), and changing my mac address with ifconfig wlan0 down && ifconfig wlan0 hw ether 11:22:33:44:55 && ifconfig wlan0 up. using tail | dmesg returns a bunch of attempts to connect, saying something like authenticating ... okay you're connected! now I'm going to just disconnect because I feel like it. (reason=3). Any ideas? If it helps maybe I'll add a picture of the tail|dmesg output later. My wireless drivers are as follows: Atheros AR9485 Wireless Network Adapter Hamachi Network Interface Microsoft Virtual Wifi Miniport Adapter Realtek PCIe GBE Family Controller VirtualBox Host-Only Ethernet Adapter Here is a pastebin of some terminal outputs that could help. Also, the reddit thread has a few answers, for anyone curious. It's located here. It is entirely possible that it's just my school wifi blocking out my laptop, and my home wifi sucks. Wifi does work at places other than my home and school, however my phone can connect to both places. Here is a pastebin of the results of the wireless-info script.

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• Xubuntu 12.04: Slow Login

  - by naxchange

  I'm running Xubuntu 12.04, and after I ran the update, my login started slowing down big time. I've dabbled a little bit with the programs in Settings - Settings Manager - Session and Startup, and tried closing and opening these programs, and then rebooting. Anyways, I narrowed it down to a combination of 2 processes, "Network" (the connection manager) and "Xfce Volume Daemon". Their corresponding terminal commands are: ~$ nm-applet ~$ xfce4-volumed If I disable them, and then run them after login is complete, everything works just fine. Is there a way for me to run these commands automatically at start up? I want to maybe write a shell script and save it somewhere, or at least edit the order things happen after login, so the desktop can load before these processes. Hope I've been clear enough, and thanks in advance! NAX

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• mongodb segmentation fault(11) macosx

  - by Wish

  I have problem, i cant figure out, how to fix.. So i am on MacOSX machine, running php 5.3.15 version, using mongo 1.3.1 version. When i try to execute php script, in which i try to connect to remote mongodb server, I get segmentation fault(11).. I installed php driver with sudo pecl install mongo I have seen, that this problem is quite popular, but havent found real solution yet.. I dont know if I am asking this question in correct stack site.. If you need anything else, just ask.

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• cant access my local web server with the external IP

  - by TommyG

  I havent been able to find a solution to my particular problem. I have a MAC which I set up as a web server and configured my router to forward to the local IP. When trying to access my site from outside, it does say "It works!", however, when I call a simple Hello World PHP script that I have, I am getting an error that the page could not be opened. I did enable PHP on my machine so thats not the problem. I really have no idea how can I access - I followed so many tutorials and did everything correctly. My router is a Linksys WRT160N if it matters at all. In the port forwarding section, I selected to forward

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• Windows 8: How to Lock (not sleep) laptop on lid close?

  - by Eye of Hell

  If my laptop is connected to power source and is not configured to sleep on lid close (it is connected to power source and is working, i don't want it to sleep. It's compiling my code) if i close the lid, laptop will do nothing. This works as expected, but actually if i have my laptop connected to power source in the office it will be good to lock it if i close a lid. So no one can just open the lid and see my unlocked desktop. I searched google and it says thet correct use case is to manually lock laptop via Win + L every time before lid is closed. This is ok, but not very secure - after all, i can forget Win + L. Is t any easy way (maybe some registry value or app) to configure windows laptop so it will lock on lid close even without sleep? Of course i can write app / powershell script for this task, but this is not suitable for non-programmers end users.

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• Automate Monitor string in different log files

  - by EVIA

  I have few log files in different servers and I want to check output in the end of those log files for e.g . success: 4000 failed: 200 These logs files are getting generated daily and I have to keep track of these numbers. If there is any way I can automate this option instead of going and checking these files and wasting so much of my time. I want to create some kind of script like Go to \serverA\C$\log_07_02_2012.txt and check this line Go to \serverB\C$\log_07_02_2012.txt and check some other line. .... and it should give me output from all of these...

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• How do I set up a mailing list for over 2000 people?

  - by John Hoffman

  I manage IT for a large organization with over 2000 people. The administration would like to send an email (often with up to 5 word document attachments) about once per week. They also want to categorize people. For instance, about 40 people are "teachers," about 1800 people are "students," and about 10 people are "board members." They may send an email to any combination of these categories. Here's what I have tried: I bought a server, installed Ubuntu server edition on it, and wrote a python script to send out their emails. However, pretty soon, mail services such as Gmail and Yahoo began to treat the mail I send out as SPAM. I'm guessing this is because I am sending an email with 2000+ people in the "bcc" field. Maintaining this server also takes a lot of time. How do I set up a mailing list for over 2000 people? Must I defer to paid services?

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• Forward external traffic to 127.0.0.1

  - by user2939415

  I have an HTTP server running on 127.0.0.1:8000. How can I use iptables or something to route external traffic to it? I want to be able to access my.ip.addr:8000 from my browser. iptables -A PREROUTING -i eth0 -p tcp --dport 8000 -j REDIRECT --to-ports 8000 does not help EDIT: To test whether or not this works I am using the following node.js script: // Load the http module to create an http server. var http = require('http'); // Configure our HTTP server to respond with Hello World to all requests. var server = http.createServer(function (request, response) { response.writeHead(200, {"Content-Type": "text/plain"}); response.end("Hello World\n"); }); // Listen on port 8000, IP defaults to 127.0.0.1 server.listen(8000, "127.0.0.1"); // Put a friendly message on the terminal console.log("Server running at http://127.0.0.1:8000/");

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• Insert blank row on two conditions

  - by lost_my_wallet_in_el_segundo

  I have a spreadsheet with a large number of rows. There are two rows grouped together (for each customer). In column A, the first row has an account number. The second row should be blank. The spreadsheet has lots of customers listed where there is no second row. I need to insert a blank line to create a second row for each customer that doesn't have one. Here is the VBA script I cobbled together, but it gets a syntax error. Sub Macro1() ' ' Macro1 Macro ' For myrow = 1 To Cells.Find("*", SearchOrder:=xlByRows, SearchDirection:=xlPrevious).Row If Cells(myrow, 1) <> "" and Cells(myrow+1, 1) <> "" Then Selection.Insert Shift:=xlDown, CopyOrigin:=xlFormatFromLeftOrAbove End Sub

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• Can using div with width = 0px affect SEO? [closed]

  - by user989084

  Possible Duplicate: Does google always downrank pages with hidden texts Right now I'm working on my new website and I'm really concerned about SEO since the old version of my site(which is from a script that is unusable now) has PR of 4 and I want to lose it So here is my question There is a panel that has 4 tabs Each tabs has tag which has a href like "/box-page/tab/2" and when javascript is not activated it will go this page and shows the corresponding tab and if it's activated it will just make a simple animation to show the other tab There are four boxes(and for tabs) and since I needed to fix the height of the panel I had to use width: 0 for the rest of tabs to keep the height of the box the same as the longest one and inside these boxes(which have width: 0) there are some information that can be indexed by google So as you know google doesn't have javascript and it will go to /box-page/tab/2 and /box-page/tab/3 and ... in all of these pages the information is the same but with different box showing up in the page So here is my question Does google penalize using a div with width: 0px? And if not does it just ignore the content of the div with width 0?(Which is perfect for me ^^) Thanks

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• MySql in Bash: Show only errors

  - by TRWTFCoder

  Let me first start off by saying I am not an experienced linux user. I am trying to debug a mysql script in linux, however, my issue is that most of the queries are successful so I can not see the error messages because they scroll off the screen. I am executing the queries from a large file using the \. command. I was wondering if there was a way to show ONLY the error messages when I exececute the sql file. Right now it is showing both error messages and Query OK,.... I don't really care about the queries that are ok, just the errors. Thanks!

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