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  • How can I install Ubuntu (SO many problems)

    - by Dragos
    I have a question, my friend tried installing Ubuntu on my notebook (Asus g75v) and nothing tried, at one point he went past the installation screen and every he used the mouse the screen flickered and the driver crashed (I assume) and it would go back a step, I heard that there is way to install ubuntu without any graphics, maybe that will help me with the screen flickering (I have a gtx 670m), so we tried WUBI installer, I tried installing with that and it gave me a Wubildr.mbr missing error, so I gave that up after several times, although I do notice that I have an intel driver, and I keep downloading AMD versions, does that effect anything? I'm having trouble installing Ubuntu and I wish to be able to run it on my laptop, I want to learn this OS and I cannot even install it, I am a bit concerned, if anyone can back at me with any answer at all, please don't hesitate to post, just please don't post if you don't know what's going on, thanks for listening! ~cheers -Dragos

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  • Lucene best practice

    - by Dragos
    I am trying to understand how Lucene should be used. From what I have read, creating an IndexReader is costly, so using a Search Manager shoulg be the right choice. However, a SearchManager should be produced by a NRTManager(which, by the way, should replace the IndexWriter for every add or delete operation performed). But in order to have a NRTManager, I should first have an IndexWriter, and here comes my problem. The documentation says: an IndexWriter is thread-safe the constructor of this class takes a Directory object, so it seems creating an instace should be costly(as in the case of an IndexReader) all changes are buffered and flushed periodically(so they seem to encourage using a single instance) but: the changes, although flushed will only be visible after commit or close after finished making updates(add/delete), the instance should be closed I also found this: http://stackoverflow.com/questions/5374419/forgot-to-close-the-lucene-indexwriter-after-adding-documents-to-the-index where it is said that not closing a writer might ruin everything So what am I really supposed to do? Is having a single IndexWriter instance a good idea(make only commit and never close it)? EDIT: What is more, if I use NRTManager, how can I make acommit`? Is it even possible?

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  • Is having a single `IndexWriter` instance in Lucene a good idea?

    - by Dragos
    I am trying to understand how Lucene should be used. From what I have read, creating an IndexReader is costly, so using a Search Manager shoulg be the right choice. However, a SearchManager should be produced by a NRTManager(which, by the way, should replace the IndexWriter for every add or delete operation performed). But in order to have a NRTManager, I should first have an IndexWriter, and here comes my problem. The documentation says: an IndexWriter is thread-safe the constructor of this class takes a Directory object, so it seems creating an instace should be costly(as in the case of an IndexReader) all changes are buffered and flushed periodically(so they seem to encourage using a single instance) but: the changes, although flushed will only be visible after commit or close after finished making updates(add/delete), the instance should be closed I also found this: http://stackoverflow.com/questions/5374419/forgot-to-close-the-lucene-indexwriter-after-adding-documents-to-the-index where it is said that not closing a writer might ruin everything So what am I really supposed to do? Is having a single IndexWriter instance a good idea (make only commit and never close it)? EDIT: What is more, if I use NRTManager, how can I make acommit`? Is it even possible?

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  • Windows XP restore point file from disk.

    - by Dragos Toader
    Suppose I copied a Windows XP restore point file to a USB memory stick. I copied C:\System Volume Information\MountPointManagerRemoteDatabase C:\System Volume Information\tracking.log C:\System Volume Information\_restore{45B5E8B9-949A-471E-999D-F381DA56A2D3} C:\System Volume Information\catalog.wci to F:\System Volume Information\ How can I restore this restore point? Can I fool the system into using that file (if I copied it back into the restore point folder)? From F:\System Volume Information\MountPointManagerRemoteDatabase F:\System Volume Information\tracking.log F:\System Volume Information\_restore{45B5E8B9-949A-471E-999D-F381DA56A2D3} F:\System Volume Information\catalog.wci to C:\System Volume Information\

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  • Notepad++ shortcuts not getting copied to the second computer where I want to replicate my settings

    - by Dragos Toader
    In Notepad++, there's a way to assign your custom shortcuts by going to Run - Modify Shortcut/Delete Command... This brings up the Shortcut Mapper I set up my custom shortcuts on Computer 1 I then installed Notepad++ with the same install settings and plugins on Computer 2 I then created a zip archive of my Notepad++ folder in Program Files on Computer 1 I overwrote the Notepad++ folder in Program Files on Computer 2 with this archive My custom shortcuts did not come across. I thought that the shortcuts were saved in C:\Program Files\Notepad++\shortcuts.xml I compared C:\Program Files\Notepad++\shortcuts.xml from Computer 1 with the same file on Computer 2 and the two files are identical. Why then are the shortcuts not coming across to Computer 2? Computer 1 is Windows XP Computer 2 is Windows Server 2008 R2

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  • GMail detecting mail as spam

    - by Petru Toader
    I've been trying for a long time to get our company's mail server send mail that will get accepted by the GMail spam filter. I have managed making it work for Yahoo Mail and Hotmail, sadly GMail is still marking our mails as spam. I have configured DKIM, SPF, DMARC and verified our mail server IP address against blacklists. I also have pasted here the headers GMail gets when we send a mail. Delivered-To: [email protected] Received: by 10.42.215.6 with SMTP id hc6csp107427icb; Wed, 20 Aug 2014 07:34:26 -0700 (PDT) X-Received: by 10.194.100.34 with SMTP id ev2mr59101019wjb.76.1408545265402; Wed, 20 Aug 2014 07:34:25 -0700 (PDT) Return-Path: <[email protected]> Received: from mail.phyramid.com (mail.phyramid.com. [178.157.82.23]) by mx.google.com with ESMTPS id dj10si4827754wib.79.2014.08.20.07.34.24 for <[email protected]> (version=TLSv1.1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Wed, 20 Aug 2014 07:34:25 -0700 (PDT) Received-SPF: pass (google.com: domain of [email protected] designates 178.157.82.23 as permitted sender) client-ip=178.157.82.23; Authentication-Results: mx.google.com; spf=pass (google.com: domain of [email protected] designates 178.157.82.23 as permitted sender) [email protected]; dkim=pass [email protected] Received: from localhost (localhost [127.0.0.1]) by mail.phyramid.com (Postfix) with ESMTP id ED2BB2017AC for <[email protected]>; Wed, 20 Aug 2014 17:33:23 +0300 (EEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=phyramid.com; h= content-type:content-type:mime-version:x-mailer:subject:subject :message-id:to:from:from:date:date; s=dkim; t=1408545197; x= 1409409197; bh=e04RtoyF7G39lfCvA9LLhTz4nF64siZtN5IYmC18Xsc=; b=o +6mO8Uz4Uf1G4U2q6tKUiEy2N2n/5R2VtPPwIvBE5xzK/hEd2sDGMxVzQVgIDCsK Q0Xh+auPaQpxldQ+AEcL2XSZMrk/g0mJONjkpI19I5AwGIJCR1SVvxdecohTn9iR bCHzrGi2wAicfDBzOH6lUBNfh2thri79aubdCYc97U= X-Amavis-Modified: Mail body modified (using disclaimer) - mail.phyramid.com X-Virus-Scanned: Debian amavisd-new at mail.phyramid.com Received: from mail.phyramid.com ([127.0.0.1]) by localhost (mail.phyramid.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 3JcgXZAXeFtX for <[email protected]>; Wed, 20 Aug 2014 17:33:17 +0300 (EEST) Received: from whiterock.local (unknown [109.98.21.30]) by mail.phyramid.com (Postfix) with ESMTPSA id 05CAE200280 for <[email protected]>; Wed, 20 Aug 2014 17:33:15 +0300 (EEST) Date: Wed, 20 Aug 2014 17:34:15 +0300 From: Company Mail <[email protected]> To: [email protected] Message-ID: <[email protected]> Subject: hey there! X-Mailer: Airmail (247) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Content-Disposition: inline How was your summer? ---- Thanks a lot!

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  • badBIOS : le rootkit qui infecte les BIOS et communique par les airs, Windows, OS X, Linux et BSD sont tous vulnérables

    badBIOS, le rootkit qui infecte les BIOS et communique par les airs Windows, OS X, Linux et BSD sont tous vulnérables.L'expert en sécurité canadien Dragos Ruiu est victime depuis quelques années des turpitudes d'un rootkit inconnu (qu'il a surnommé badBIOS) particulièrement coriace et évolué.Il y a trois ans, Ruiu fut notifié d'une mise à jour pour le firmware de son MacBook Air dont le système était fraichement installé. Depuis cette « mise à jour », la plupart des machines de son laboratoire...

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  • Web publishing system with code highlighting

    - by Dragos Toader
    I'd like to publish some of the many programs I've written on the web. Is there a syntax highlighting Linux web publishing application (CMS/Blog/RoR app) that displays syntax for C++, Python, Bash scripts, SQL, VBA, awk, Erlang, java, makefiles, Ruby, Pascal and other languages? The more syntax settings configuration files, the better. The extensions I have in Textpad (for which I have syntax highlighting -- syn files) are .as, .asm, .asp, .awk, .bas, .bat, .c, .conf, .cpp, .cs, .ctl, .dfm, .dsc, .erl, .fnc, .h, .hpp, .inf, .ini, .jav, .java, .mak, .nsh, .nsi, .ora, .pas, .pkb, .pks, .pl, .prc, .py, .reg, .rsp, .sh, .sql, .syn, .tcl, .trg, .vw, .xml, .xsl, .xslfo

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  • ungetc in Python

    - by Dragos Toader
    Some file read (readlines()) functions in Python copy the file contents to memory (as a list) I need to process a file that's too large to be copied in memory and as such need to use a file pointer (to access the file one byte at a time) -- as in C getc(). The additional requirement I have is that I'd like to rewind the file pointer to previous bytes like in C ungetc(). Is there a way to do this in Python? Also, in Python, I can read one line at a time with readline() Is there a way to read the previous line going backward?

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  • How to mount remote samba share from local host with multiple groups?

    - by Dragos
    I am using mount.cifs to mount a remote samba share (both client and server are Ubuntu server 8.04) like this: mount.cifs //sambaserver/samba /mountpath -o credentials=/path/.credentials,uid=someuser,gid=1000 $ cat .credentials username=user password=password I mounted a user from local system with username and password with mount.cifs but the problem is that the user is part of multiple groups on the remote system and with mount.cifs I can only specify one gid. Is there a way to specify all the gids that the remote user has? Is there a way to: Mount the remote samba with multiple groups on the local system? Browse the mount from 1) with the terminal since I want to pass some files from samba as arguments to local programs. Other solutions would be: nautilus sftp:// which runs through gvfs; but the newer gnome does not write to disk the ~/.gvfs anymore so I can't browse it in terminal. And the last solution would be NFS but that means that I have to synchronize the uids and gids on the local system with the ones from the server.

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  • How to mount remote sambe from local host with multiple groups ?

    - by Dragos
    I am using mount.cifs to mount a remote samba share (both client and server are Ubuntu server 8.04) like this: mount.cifs //sambaserver/samba /mountpath -o credentials=/path/.credentials,uid=someuser,gid=1000 `$ cat .credentials username=user password=password I mounted a user from local system with username and password with mount.cifs but the problem is that the user is part of multiple groups on the remote system and with mount.cifs I can only specify one gid. Is there a way to specify all the gids that the remote user has ? Is there a way to: 1) Mount the remote samba with multiple groups on the local system ? 2) Browse the mount from 1) with the terminal since I want to pass some files from samba as arguments to local programs. Other solutions would be: nautilus sftp:// which runs through gvfs but the newer gnome does not write to disk the ~/.gvfs anymore so I can't browse it in terminal. An the last solution would be nfs but that means that I have to synchronize the uids and gids on the local system with the ones from the server.

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  • How to mount remote samba share from local host with multiple groups?

    - by Dragos
    I am using mount.cifs to mount a remote samba share (both client and server are Ubuntu server 8.04) like this: mount.cifs //sambaserver/samba /mountpath -o credentials=/path/.credentials,uid=someuser,gid=1000 $ cat .credentials username=user password=password I mounted a user from local system with username and password with mount.cifs but the problem is that the user is part of multiple groups on the remote system and with mount.cifs I can only specify one gid. Is there a way to specify all the gids that the remote user has? Is there a way to: Mount the remote samba with multiple groups on the local system? Browse the mount from 1) with the terminal since I want to pass some files from samba as arguments to local programs. Other solutions would be: nautilus sftp:// which runs through gvfs; but the newer gnome does not write to disk the ~/.gvfs anymore so I can't browse it in terminal. And the last solution would be NFS but that means that I have to synchronize the uids and gids on the local system with the ones from the server.

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  • ip routing policy in linux

    - by Dragos
    I have a linux system with two network interfaces (eth0 in x.x.x.0 and eth1 in x.x.y.0). Is there any posibility to add some route policy to send all the traffic to network x.x.y.0. I would like even the traffic from eth0 to be send to eth1's network. I cannot delete the direct connected networks from the routing table so all the traffic from x.x.x.0 network is send to eth0. I would like to send all traffic to eth1.

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  • Forwarding broadcast traffic

    - by Dragos
    I have a host that receives broadcast queries on a UDP port. I would like to forward this broadcast traffic to another host from another network. Is it possible to port forwarding broadcast traffic using iptables? I have tried to specify package traffic as broadcast, but I didn't success. (-m pkttype --pkt-type broadcast). If I recive unicast traffic on that port, the forwarding succeeds. I try to forwarding using nat table.(-A POSTROUTING -j DNAT --to-destinatiox x.x.x.x) Thanks.

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  • Is there a way to convert code to a string and vice versa in Python?

    - by Dragos Toader
    The original question was: Is there a way to declare macros in Python as they are declared in C: #define OBJWITHSIZE(_x) (sizeof _x)/(sizeof _x[0]) Here's what I'm trying to find out: Is there a way to avoid code duplication in Python? In one part of a program I'm writing, I have a function: def replaceProgramFilesPath(filenameBr): def getProgramFilesPath(): import os return os.environ.get("PROGRAMFILES") + chr(92) return filenameBr.replace("<ProgramFilesPath>",getProgramFilesPath() ) In another part, I've got this code embedded in a string that will later be output to a python file that will itself be run: """ def replaceProgramFilesPath(filenameBr): def getProgramFilesPath(): import os return os.environ.get("PROGRAMFILES") + chr(92) return filenameBr.replace("<ProgramFilesPath>",getProgramFilesPath() ) """ How can I build a "macro" that will avoid this duplication?

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  • How can I make this if's work in Bash ?

    - by Dragos
    In bash how can I make a construction like this to work: if (cp /folder/path /to/path) && (cp /anotherfolder/path /to/anotherpath) then echo "Succeeded" else echo "Failed" fi The if should test for the $? return code of each command and tie them with &&. How can I make this in Bash ?

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