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• Does my dd-wrt installation support firewall logging?

  - by SpikeX

  I would like to log firewall events. I know this is possible with dd-wrt, but a lot of the documentation I've read states that this isn't possible with a micro installation of dd-wrt (based on BusyBox). I have a Netgear WNDR3700v2 router, and it does have BusyBox installed on it, but I don't know if the dd-wrt build is a micro build or not. How can I find this out, or how can I find out if my router supports firewall logging or not? Currently, if I enable all firewall logging (setting everything to "Enabled" and/or "High" gives me back blank firewall logs - but syslogd is working because I can view other system log messages).

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• What do I need to learn to decide on rename/recompile source package names because of company rebranding?

  - by Roberto Linares

  My company is currently at a rebranding process and the brand names have been used in the sources' package names but these names are only visible to developers who maintain this code so nobody from project management is really interested in changing them considering also that it would imply the recompiling of several old components. What factors do I need to consider when deciding on a change like that? I don't know if I should worry about legal issues or not and if so, how to address this with project management. More background details. I have all the sources and dependencies but since the company rebranding, other development areas have adopted some of the code that needs package name-changing so I cannot take the decision only by myself so I don't make everyone else's code to crash with my core components and I cannot change other areas' code without the permission of those areas' users so yes, my concern is more political than technical. I am going try to coordinate the involved it areas to make the change anyway, since it seems to be the best approach.   Unfortunatelly in my company there's no continuous integration build server so we build our code manually on demand and to get something to production I have to justify the change (even just the package name changing) to QA with an user requirement and some other bureaucratic documentation so that's why I was hesitating the change in first place.

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• upstart not working

  - by dorelal

  I saved the following file at /etc/init/nodejs.conf description "node.js server" author "dorelal" start on startup stop on shutdown script # We found $HOME is needed. Without it, we ran into problems export HOME="/root" exec /usr/local/bin/node /home/dorelal/nodejs.js 2>&1 >> /var/log/node.log end script Then I tried to start the server > sudo initctl start nodejs initctl: Unknown job: nodejs Ubuntu information > cat /etc/lsb-release DISTRIB_ID=Ubuntu DISTRIB_RELEASE=9.10 DISTRIB_CODENAME=karmic DISTRIB_DESCRIPTION="Ubuntu 9.10" What do I need to do to start the server using upstart.

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• How do i allow users to execute commands via ssh without allocating a psuedo-terminal

  - by Dani El

  I need to allow users to run a limited set of commands. But not to allow them to create interactive sessions. Just like GitHub does. If you try to ssh without a command it greetings you and close the session. I can acquire this by using ForceCommand some-script But getting in some-script i then need to eval user's input. Perhaps any other NoTTY-like option in sshd_config? --- UPDATE --- i'm looking for a pure SSH / Bash solution, not Perl/Python/etc. hacks.

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• Emulate Historical Figures i.e. Einstein - Is this possible using linguistic logic for my http://www.ustimeline.com Education System

  - by Johnnylight

  After hearing about the success of IBM's Watson I started thinking perhaps emulating human language is now possible? My goal is to create Virtual Historical characters to represent the main characters in my Adventur-Cation The Great American Adventure program such as Einstein or Crazy Horse. The goal is to build an intelligent system capable of indexing the internet and storing the data using a schema using modern knowledge on linguistic theory (phonemes, morphemes, syntax) to build a system capable to returning a semantically sound response very similar to the response made by the same person if still alive today. The goal would be to use the same engine/system for all characters. Each characters would have their own digital representation and voice, and would organize data differently based on tags/keywords stored about the individual. Imagine a Max Headroom Einstein. Based on the success of Watson, I believe something like this may now be possible. Would be an interesting way to study history and would be a vehicle of entertainment as well. Can anyone confirm if this has already been attempted? Is anyone interested in exploring this using Cognitive Science, Psychology, Artificial Intelligence, Historical data captured on the internet, and Linguistic theory?

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• What is a good php 5.3.x shared hosting company?

  - by Abba Bryant

  I am looking for the best shared host - features-wise, not price - for hosting CakePHP and Lithium applications. I would like to be able to use MongoDB / MySQL as well as have access to some of the more common PHP extensions like MCrypt, etc. I currently use dreamhost with a custom PHP 5.3.x build on my sandbox domain - Please do not suggest this as a solution. I want to move away from managing my own PHP build if possible. I need ssh access but email support isn't as big of an issue.

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• How to turn off screen (DPMS) together with locking session in KDE?

  - by gertvdijk

  First of all, I'm aware a similar question for GNOME is asked here: "Switch off laptop backlight when locking screen". Objective I would like to turn off my screen on locking the session for power saving reasons. Actual problem Locking the screen on Kubuntu (KDE) inevitably triggers the screensaver as far as I can see. There's no screensaver option other than 'Blank screen' together with its background colour set to black that comes just close to my goal. It blanks the screen, but doesn't turn off the screen. Screen's backlight will still be on and not saving any power. Current workaround A workaround via a script + shortcut key is possible, however, it's just a workaround since it doesn't trigger on all ways to lock the session. Therefore, I think it should be possible to have it done more elegantly, for example by providing this option in KDE's configuration dialog of the screensaver. The workaround I am now using is the following. A script that locks the screen and turns off the screen: #!/bin/bash qdbus org.freedesktop.ScreenSaver /ScreenSaver Lock xset dpms force standby and let it run with a shortcut key via a custom menu entry. It works. Here's why I consider it to be a workaround rather than a solution. It doesn't work for other ways to trigger the locking of the session. My actual question(s) Do I need to touching/patching KDE's source? If not what are my options? If so, could someone point me to where I can get started? what do you think is the recommended place in the GUI for configuration? I'm using Kubuntu 12.04 and willing to upgrade to KDE 4.9 or waiting for the 12.10 release.

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• Not able to track traffic on subdomain using Google Analytics

  - by Steven

  I'm trying to track traffic for my sub-domain, but it's not happening. This is how it's set up. My partner has a domain called sub1.partner.com. This domain points to partner1.mydomain.com. The idea is that users think they are browsing my partners website, when they are in fact browsing pages on my server. My tracking code looks like this: var _gaq = _gaq || []; _gaq.push(['_setAccount', 'UA-xxxxxxxx-x']); _gaq.push(['_setDomainName', '.mysite.com']); _gaq.push(['_trackPageview']); (function() { var ga = document.createElement('script'); ga.type = 'text/javascript'; ga.async = true; ga.src = ('https:' == document.location.protocol ? 'https://ssl' : 'http://www') + '.google-analytics.com/ga.js'; var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(ga, s); })(); In Google analytics I've created a new account under my main account and called in partner1.mysite.com. On this account I have created a filter: Filter type: include Filter field: Host name Filter pattern: partner1.mysite.no Case sensetive: No What more can I try to track traffic on my subdomain? UPDATE Question 1 Is this line correct? _gaq.push(['_setDomainName', '.mysite.com']); Question 2 Is it correct that I have to add \ before any punctuations like so \. in filters?

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• Need hard disk recommendation for linux home server.

  - by neotracker

  Hello, I'm planing to build a little linux homeserver. It will mainly be used for storage and maybe as an media pc. I plan to build a software raid5 with 4 1.5TB or 2TB hard drives. I already decided to use the Western Digital Caviar Green 1.5 TB drive, but then I read about some problems with the WD green series about many drives failing and that they are not recommended for raid anyway. Of course, I couldn't find much facts on the issues so I thought I just ask here ;-) What hard drives would you recommended for a software raid5 setup? As I only need it for storage, the whole thing doesn't have to be too fast. So I prefer a cheap price and silence to great performance.

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• How to get the IP Address for your Local Area Connection on Windows Server?

  - by Geo

  I want to create a batch or vbs file that will put together a url and executed. Part of that url needs to be the actual ip address of the machine. How I am able to get that IP address in a variable to include it on the script? EDIT 1: I found out that the command below will give me the IP Address, but still don't know how to get that value into a variable to use it in a script. c:\> wmic NICCONFIG WHERE IPEnabled=true GET IPAddress /format:csv Node,IPAddress IP-0AFB,{10.25.5.2}

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• How to kill all screens that has been up longer then 3 weeks?

  - by Darkmage

  Im creating a script that i am executing every night at 03.00 that will kill all screens that has been running longer than 3 weeks. anyone done anything similar that can help? If you got a script or suggestion to a better method please help by posting :) I was thinking maybe somthing like this. First do a dump to textfile ps -U username -ef | grep SCREEN dump.txt then do a loop running through all lines of dump.txt with a regex and putting pid of the prosseses with STIME 3weeksago in a array. then do a kill loop on the array result.

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• Bash: verify that process has stopped

  - by pfac

  I'm working on script meant to start/stop a set of services. For stopping, it has to terminate many processes which take a while and might hang. The script needs to verify that the process has indeed terminated, and send an email if such does not happen after a given period. This is what I have: pkill -f "stuff" for i in {1..30}; do VERIFICATIONS=$i if verification_command then echo "It's gone" break fi sleep 2 done if [ $VERIFICATIONS -ge 30 ]; then echo "failed to terminate" # send mail fi Is there a better way to do this?

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• Postgres backup

  - by Abbass

  Hello, I have a Bacula script that does an automatic backup of a Postgres Database. The script makes two backups using (pg_dump) of the data base : The schema only and the data only. /usr/bin/pg_dump --format=c -s $dbname --file=$DUMPDIR/$dbname.schema.dump /usr/bin/pg_dump --format=c -a $dbname --file=$DUMPDIR/$dbname.data.dump The problem is that I can't figure out how to restore it with pg_restore. Do I need to create the database and the users before then restore the schema and finally the data. I did the following : pg_restore --format=c -s -C -d template1 xxx.schema.dump pg_restore --format=c -a -d xxx xxx.data.dump This first restore creates the database with emtpy tables but the second gives many error like this one : pg_restore: [archiver (db)] COPY failed: ERROR: insert or update on table "Table1" violates foreign key constraint "fkf6977a478dd41734" DETAIL: Key (contentid)=(1474566) is not present in table "Table23". Any ideas?

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• Wireless switch on Dell XT2 - strange behaviour of rfkill

  - by DyP

  I have an Dell Latitude XT2 using an Intel WLAN card (lspci lists it as "Intel Corporation Ultimate N WiFi Link 5300") running Lubuntu 12.04 with recent updates. The laptop has a hardware WLAN switch. I have problems activating the WLAN when booting with the hardware switch set to "off". The situation is a bit confusing, unfortunately. rfkill lists two WLAN devices (though lspci only shows the Intel one). This is the situation when booting with the hardware switch set to "Off": 0: dell-wifi: Wireless LAN Soft blocked: yes Hard blocked: yes 1: dell-bluetooth: Bluetooth Soft blocked: yes Hard blocked: yes 2: phy0: Wireless LAN Soft blocked: yes Hard blocked: yes From some tests, I conclude WLAN is only activated when both, the dell-wifi and phy0, are unblocked by soft- and hardware. But I can only unblock dell-wifi after the hardware switch is set to "on". Procedure right from boot with hardware switch set to "Off": Soft-unblocking phy0 works as expected. Could be done by start-up script. sudo rfkill unblock 0: nothing happens. Soft block of dell-wifi not removed. Set the hardware switch to "on": phy0 gets its hard block removed. Still no WLAN. sudo rfkill unblock 0: both the soft and hard lock of dell-wifi are removed. WLAN is now active and works. sudo rfkill block 0: only adds the soft block as expected. WLAN goes off again. So, in order to activate WLAN, I have to use the hardware switch and afterwards (manually) run a script - that's a bit inconvenient. Does someone know a better solution? Maybe a daemon could help that listens to rfkill events to unblock dell-wifi after I have set the hardware switch to "on"? (sounds like another workaround) When booting with the hardware switch set to "On", nothing is blocked neither hard nor soft.

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• How to factorize code in Unreal Kismet (i.e. "Material Function"s for Kismet)

  - by Georges Dupéron

  In the Unreal Development Kit, when using the Material Editor, one can factorize frequently-used groups of nodes by creating a Material Function (content Browser ? right-click ? new matrial function, IIRC). When defining the behaviour of some actor in Kismet, one can easily have a dozen nodes involved. If I have many actors that share the same behaviour, then I'll copy-paste these nodes, and change the variables so they point to the other actors. This leads to inconsistencies (a modification in the behaviour of an actor isn't propagated in the copy-pasted nodes), complexity (you end up with hundreds of nodes), and generally useless effort. My question is : Can I create a "kismet function", just like a material function ? Note: I'd rather avoid using UnrealScript. I don't even know where to type UnrealScripts, don't know where the documentation is and more generally don't have enough time to invest in learning UnrealScript. This "kismet function" feature must be usable by graphists (with little programming knowledge). If a (simple) script suffices to add this feature in the Kismet editor, so that one can create several "functions" without using UnrealScript, then fine, but I don't really want to have to write a script each time I want to factorize a few nodes. Thanks for any information !

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• How to make a iOS plugin for Unity3d

  - by DannoEterno

  I've passed last 2 days reading articles and book for understand how can i make a plugin for iOS in Unity. Basically i need just a demo for understand how it work. For now i've tried to make this process (with really poor luck): I've started a new project in Unity and writed a simple script using UnityEngine; using System.Collections; using System; using System.Runtime.InteropServices; public class CallPlugin : MonoBehaviour { [DllImport ("__Internal")] private static extern int test(); void Start () { Debug.Log(test()); } } Then i've created a project in Xcode with this simple script: extern "C"{ int test() { int che = 5; return che; } } Then i've tried: to put the .mm and .h in the Assets/Plugins/iOS = nothing to build the unity project and than add the .h and .mm in the Xcode project = nothing In Unity i will always get the EntryPointNotFoundException, so unity see the file but is unable to reach the method. The problem is... how?! :) Maybe i miss something or i've done something wrong? Thanks a lot for every help that you can give me :)

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• CMD file time not always matching windows explorer file time

  - by skyrail

  I have a set of file I need to set the created, modified and last access date to exif date taken value, after a copy between 2 folders (might be fat32 on memory card or ntfs on fixed or usb disk). When I copy a file, the date and time switch to the current date. Then I change all 3 dates manually, either with change attributes in windows explorer or far manager on the command line. To make it faster I wrote a batch script getting original file dates (with php and function stat), building a batch script that invoke nircmd setfiletime for each file. Then I apply this batch to the copied version. The operation is relatively fast and reliable. Unfortunately, a bunch of files have last access and created time different in cmd and windows explorer (1H difference). Very strangely, it happens with dates between november and february, which make the operation unreliable. Why is this happening, and how can I fix it?

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• Packaging MATLAB (or, more generally, a large binary, proprietary piece of software)

  - by nfirvine

  I'm trying to package MATLAB for internal distribution, but this could apply to any piece of software with the same architecture. In fact, I'm packaging multiple releases of MATLAB to be installed concurrently. Key things Very large installation size (~4 GB) Composed of a core, and several plugins (toolboxes) Initially, I created a single "source" package (matlab2011b) that builds several .debs (mainly matlab2011b-core and matlab2011b-toolbox-* for each toolbox). The control file is just the standard all: dh $@ There is no Makefile; only copying files. I use a number of debian/*.install files to specify files to copy from a copy of an installation to /usr/lib/. The problem is, every time I build the thing (say, to make a correction to the core package), it recopies every file listed in the *.install file to e.g debian/$packagename/usr/ (the build phase), and then has to bundle that into a .deb file. It takes a long time, on the order of hours, and is doing a lot of extra work. So my questions are: Can you make dh_install do a hardlink copy (like cp -l) to save time? (AFAICT from the man page, no.) Maybe I should just get it to do this in the Makefile? (That's gonna b e big Makefile.) Can you make debuild only rebuild .debs that need rebuilding? Or specify which .debs to rebuild? Is my approach completely stupid? Should I break each of the toolboxes into its own source package too? (I'll have to do some silly templating or something, because there's hundreds of them. :/)

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• Is it possible to extend a 504 timeout in nginx on a per location basis

  - by codecowboy

  Is it possible to set timeout directives within a location block to prevent nginx returning a 504 from a long running PHP script (PHP-FPM? location /myurlsegment/ { client_body_timeout 1000000; send_timeout 1000000; fastcgi_read_timeout 1000000; } This has no effect when making a request to example.com/myurlsegment. The timeout occurs after approximately 60 seconds. PHP is configured to allow the script to run until completion (set_time_limit(0)) I don't want to set a global timeout for all scripts.

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• Command output as string

  - by rik

  I want to get output from command C:\Program Files (x86)\Java\jre7\bin\java.exe" -version as string variable. I tried this way: $out = &"C:\Program Files (x86)\Java\jre7\bin\java.exe" -version but it gives error message: java.exe : java version "1.7.0_05" At line:1 char:9 + $out = & <<<< "C:\Program Files (x86)\Java\jre7\bin\java.exe" -version + CategoryInfo : NotSpecified: (java version "1.7.0_05":String) [], RemoteException + FullyQualifiedErrorId : NativeCommandError Java(TM) SE Runtime Environment (build 1.7.0_05-b05) Java HotSpot(TM) Client VM (build 23.1-b03, mixed mode, sharing) $out variable seems empty. What am I doing wrong?

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• How to bring application to front every 15 minutes on Mac OS X Lion?

  - by johnnyb10

  I have a free or cheap little app called Desktop Task Timer LE that I've been using to track my time as I work on various projects. I'd like to have it pop up as the foreground app every 15 minutes to prevent me from forgetting to stop/change the timer after I've moved on to a different task. I know I can have the app launch using a script in Automator or AppleScript, but I don't know how to have that script fire off every 15 minutes. I've read about using Launchd and iCal, but I'm still not sure how to do it. (Actually, iCal is probably simple, but I'd like to avoid using it for this.) Any ideas? Also, a further feature would be to have it pop up after 5 (or x) minutes of inactivity on the computer. Not sure if this would work for my needs, but I'd like to test it if possible.

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• Migrating users and mailboxes from postfix / Maildir to Postfix with Mysql backend [closed]

  - by Chrispy

  Possible Duplicate: Migrating users and mailboxes from postfix / Maildir to Postfix with Mysql backend So I've got 60 or so users on a hand rolled postfix installation on openbsd and I'd like to move their mailboxes to our new mail server running iRedMail (postfix, vmail/mysql back end) Does anyone know of a good way to do this? Preferably a script I can run to keep syncing the users mailboxes as MX records get updated? I presume one way (though I don't have all their passwords!) would be to have a command line imap client that simulated the users copying their mail themselves but I'm sure there must be a shell / php script to migrate users? Anyone got any bright ideas? Chris.

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• Secure copy uucp style

  - by Alexander Janssen

  I often have the case that I have to make a lot of hops to the remote host, just because there is no direct routing between my client and the remote host. When I need to copy files from a remote host two or more hops away, I always have to: client$ ssh host1 host1$ ssh host2 host2$ scp host3:/myfile . host2$ exit host1$ scp host2:myfile . host1$ exit client$ scp host1:myfile . Back when uucp still was being used this would be as simple as a uucp host1!host2!host3 /myfile . I know that there's uucp over ssh, but unfortunately I don't have the proper privileges on those machines to set it up. Also, I'm not sure if I really want to fiddle around with customer's machines. Does anyone know of a method doing this tasks without the need to setup a lot of tunnels or deploying new software to remote hosts? Maybe some kind of recursive script which clones itself to all the remote hosts, doing the hard work for me? Assume that authentication takes place with public keys and that all hosts do SSH Agent Forwarding. Edit: I'm not looking for a way to automatically forwarding my interactive sesssion to the nexthop host. I want a solution to copy files bangpath-style using scp via multiple hops without the need to install uucp on any of those machines. I don't have the (legal) rights or the privileges to make permanent changes to the ssh-config. Also, I'm sharing this username and hosts with a lot of other people. I'm willing to hack up my own script, but I wanted to know if anyone knows something which already does it. Minimum-invasive changes to hosts on the bangpath, simple invocation from the client. Edit 2: To give you an impression of how it's properly been done in interactive sessions, have a look at the GXPC clustershell. This is basically a Python-script, which spwans itself over to all remote hosts which have connectivity and where your ssh-key is installed. The great thing about it is, that you can tell "I can reach HostC via HostB via HostA." It just works. I want to have this for scp.

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• linux installation cd enviroment

  - by haw3d

  i recently make a custom linux system, for my special need. its on my HDD, but i want to create a cd for installation. multiple day ego, i found a livecd and create install script for that, but in power failure my HDD is gone, and i cant found that live cd again. my install script is based on recoverin tar.gz backup. my requorement is: based on glibc (not uclibc) recognize every devices have you any suggestion? excuse me for my bad english.

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• Proper way to encapsulate a Shader into different modules

  - by y7haar

  I am planning to build a Shader system which can be accessed through different components/modules in C++. Each component has its own functionality like transform-relevated stuff (handle the MVP matrix, ...), texture handler, light calculation, etc... So here's an example: I would like to display an object which has a texture and a toon shading material applied and it should be moveable. So I could write ONE shading program that handles all 3 functionalities and they are accessed through 3 different components (texture-handler, toon-shading, transform). This means I have to take care of feeding a GLSL shader with different uniforms/attributes. This implies to know all necessary uniform locations and attribute locations, that the GLSL shader owns. And it would also necessary to provide different algorithms to calculate the value for each input variable. Similar functions would be grouped together in one component. A possible way would be, to wrap all shaders in a own definition file written in JSON/XML and parse that file in C++ to get all input members and create and compile the resulting GLSL. But maybe there is another way that is not so complex? So I'm searching for a way to build a system like that, but I'm not sure yet which is the best approach.

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