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• Is WEP used in conjunction with a wireless access list adequate security?

  - by LeopardSkinPillBoxHat

  I use a Netgear wireless router, with various wireless devices connecting to it. One of my wireless devices doesn't support WPA2 security, so I had to downgrade the security on the router to WEP. We all know WEP is broken, so as an added measure I enabled a wireless access list on the router so that only devices with specified MAC addresses which are in my access list are permitted to connect to the router. I know it is possible to spoof a MAC address from a device for the purposes of accessing a secure network like this. But is it easy? Is using WEP and a wireless access list good enough to prevent most hacking attacks? Or should I do whatever I can to ensure all devices support WPA2 in the future?

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• Use ImageMagick to convert TIFF to PNGs, how to improve the speed?

  - by Woo

  I am using "convert" from IM to get PNGs from multi-page TIFF files, everything is good except the speed. From "convert" documentation, I found: For the MNG and PNG image formats, the quality value sets the zlib compression level (quality / 10) and filter-type (quality % 10). For compression level 0, the Huffman-only strategy is used, which is fastest but not necessarily the worst compression. The default PNG compression is 75. So I tried "-quality 0", but almost no changes with the spreed. Anyone can share the ideas of how to improve the spreed? Here are my command: convert 100Pages.tif[0,1,2,3,4,5] -quality 0 100Pages.png Thanks!

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• Organize code in Chef: libraries, classes and resources

  - by ColOfAbRiX

  I am new to both Chef and Ruby and I am implementing some scripts to learn them. Now I am facing the problem of how to organize my code: I have created a class in the library directory and I have used a custom namespace to maintain order. This is a simplified example of my file: # ~/chef-repo/cookbooks/mytest/libraries/MyTools.rb module Chef::Recipe::EP class MyTools def self.print_something( text ) puts "This is my text: #{text}" end def self.copy_file( dir, file ) cookbook_file "#{dir}/#{file}" do source "#{dir}/#{file}" end end end end From my recipe I call both methods: # ~/chef-repo/cookbooks/mytest/recipes/default.rb EP::MyTools.print_something "Hello World!" EP::MyTools.copy_file "/etc", "passwd" print_something works fine, but with copy_file I get this error: undefined method `cookbook_file' for Chef::Recipe::EP::FileTools:Class It's clear to me that I don't know how to create libraries in Chef or I don't know some basic assumptions. Can anyone help me, please? I am looking for a solution of this problem (organize my code, libraries, use resources in classes) or, better, a good Chef documentation as I find the documentation very deficient in clarity and disorganized so that research through it is a pain.

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• Creating a server of an xp computer?

  - by Sweppi

  Hey, I want to create a server for my website since what I'm going to have on the website is far more than I can store web hotel. So I have this xp computer I'd like to use as a server. I did have a guide of this but unfortunately the link broke. But what i understood was that I'd be in need of a windows 2000 disc for this to work. Do you have any good tutorials/guides about how I can remake my xp computer to a server? The computer is running windows xp home edition Service Pack 2 Thank you in advance!

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• Fix Fatal Error Condition showing system path

  - by JMC

  I've noticed there are a large number of servers running Magento Commerce that will return a fatal error showing the system path: Fatal error: Uncaught exception 'Exception' with message 'File '/usr/local/www/magento/data1702/media/css' does not exists.' in /usr/local/www/magento/data1702/lib/Varien/File/Transfer/Adapter/Http.php:96 Stack trace: #0 /usr/local/www/magento/data1702/get.php(205): Varien_File_Transfer_Adapter_Http->send('/usr/local/www/...') #1 /usr/local/www/magento/data1702/get.php(165): sendFile('/usr/local/www/...') #2 {main} thrown in /usr/local/www/magento/data1702/lib/Varien/File/Transfer/Adapter/Http.php on line 96 Magento as an application is generally good about supressing error messages. How can a linux server running apache be configured to avoid returning this error message since the app has problems suppressing it.

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• DOS application to allow remote management of files over serial link

  - by tomlogic

  Harken back to the days of DOS. I have an embedded DOS handheld device, and I'm looking for a tool to manage the files stored on it. I picture an application I can launch on the device that opens COM1 up for commands to get a directory listing, send/receive files via x/y/zmodem, move/delete files, and create/move/delete directories. A Windows application can then download a recursive file listing and then manage those files (for example, synchronizing with a local directory). Keep in mind that this is DOS -- 8.3 filenames, 640K of RAM and a 19200bps serial link (yuk!). I'd prefer something with source in case we need to add additional features (for example, the ability to get a checksum of a file for change detection). Now that I've written this description, I realize I'm asking for something like LapLink or pcAnywhere. Norton no longer sells DOS versions of pcAnywhere and LapLink V for DOS seems pricy at $50. Are you aware of any similar apps from those good old days?

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• Installing VMWare Tools in Windows Server 2008 fails system startup

  - by Hoghweed

  I recently created a vmware virtual machine with windows server 2008 enterprise as Guest. My host is Ubuntu 10.04 on my Lenovo laptop. I fall into a big trouble which makes my created VM unusable after I've installed VMWare Tools. After installing tools I'm able to run the system only in safe mode. After some event manager analysis I found the issue is with drivers installed by vnmware tools. Any one has got the same issue? Is there any good practice for doing that? The configuration of vm machine is the following CPU : 1 RAM : 1020 HD : 40GB Splitted files, SCSI CD : IDE Thanks in advance

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• Consolidating Contacts from Multiple Services

  - by SquareWheel

  I'm looking for a good way to consolidate my many email/messenger contacts through my different accounts and services. I'd like to have all my contacts in one place, or have them sync between all my different services so they are the same everywhere. If possible, it should support Live Mail/Messenger, Google Contacts, and mobile syncing. Windows Live Mail is great for accessing all your mail accounts, but the contacts viewer only works for contacts affiliated with that Live account. I could go for the contacts folder built into Vista and above, but Live messenger doesn't access that so I would have a separate set of contacts for my IM account. Is there software, or an online service, that can do this? If this is asking to much, is there a proper solution to Live/Google Contacts bidirectional sync?

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• blue screen of death - softwares for find and fix on damaged drive with another operating system

  - by SilverLight

  last night i got a virus in my windows 7. after reset my computer i got blue screen of death like below : my windows 7 minidump for finding the problem i have another operating system in my computer (windows xp). is there a software for find and fix the problem in windows 7 drive? how can i see event logs of windows 7 with windows xp? edit : Last known good gonfiguration or safe mode in boot menu did n't help and still have the problem. i have nvidia graphic card on my system.but how can i fix it's driver from windows xp and i don't know it's in relationship with that bsod or not?

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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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• Extracting httpdocs from Plesk Panel 9.5.4 Webserver backup file

  - by Paddington

  Good day, I am having problems manually extracting domains from Plesk 9.5 backup that was FTPed onto my back up server. I have followed the article http://kb.parallels.com/en/1757 using method 2. The problem is here: zcat DUMP_FILE.gz DUMP_FILE My backup file CP_1204131759.tar is a tar archive and zcat does not work with it. So I proceed to run the command: cat CP_1204131759.tar CP_1204131759. But when I try # cat CP_1204131759 | munpack I get an error that munpack did not find anything to read from standard input. I went on to extract the tar backup file using the xvf flags and got a lot of files (20) similar to these ones: CP_sapp-distrib.7686-0_1204131759.tgz CP_sapp-distrib.7686-35_1204131759.tgz CP_sapp-distrib.7686-6_1204131759.tgz How best can I extract the httpdocs of a domain from this server wide Plesk 9.5.4 backup?

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• Datacenter Backup Strategy

  - by EasyEcho

  What are common approaches to backup solutions in remote data centers? I am already familiar with general backup principals and have a very good backup strategy for our local data center but am having great difficulty extending it to a remote data center. We currently do a full backup on Friday, differential Mon - Thu, rotate offsite Friday morning ...rinse and repeat week after week. BTW, we use disks and have been very happy with this approach. We could buy a large storage server and backup everything to it, but this solution doesn't give you offsite. We could encrypt and upload to Amazon or some other online storage but that would take a large amount of time given the data and would be rather expensive paying for the bandwidth leaving the data center and receiving at amazon. We could drive to the data center every Friday and continue to rotate disks as we do now. But that just seems old fashion. What am I missing, are there better options?

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• Updating to Exchange 2013 - any way to do it now?

  - by TomTom

  Exchange 2013 is out, available for some epople already. Got if from the VLC Center, now trying to get an upgrade path that works for some customers. Problem: There is no upgrade. It is "install on new Server, move mailboxes. This means coexistence with Exchagne 2010 for the time to move the Mailbox. Sadly the only compatible Exchange is Exchange 2010 Sp3 - which is not going to be bout for quite some time. Any way to still do an update? Backup, restore to new Server? Any beta of the SP that is good enough to ONLY move the mailboxes? I do not care about the rest - this really is "install Exchange 2013, move mailboxes, UNINSTALL 2010". I am quite - ah - unhappy that at the end the only one who will be able to intall 2013 are new companies right now.

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• How can I restore my "Unknown" partition type, back to NTFS?

  - by Alan

  Lately I've been having trouble restoring my PC after uninstalling GRUB, and an Ubuntu install from it. Usually I don't encounter any problems when doing this, but this time is different. My Windows XP (NTFS) partition is listed as "Other" in Partition Magic, and "Unknown" in GParted rather than "NTFS". How can I gain access to Windows partition once again? I am more than willing to provide any information, and run any tests necessary to produce said information in order to find out what's going on here. My apologies if this is the wrong place to ask such a question. I have heard nothing but good about Superuser, and decided to give it a shot. Thanks!

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• Kill program after it outputs a given line, from a shell script

  - by Paul

  Background: I am writing a test script for a piece of computational biology software. The software I am testing can take days or even weeks to run, so it has a recover functionality built in, in the case of system crashes or power failures. I am trying to figure out how to test the recovery system. Specifically, I can't figure out a way to "crash" the program in a controlled manner. I was thinking of somehow timing a SIGKILL instruction to run after some amount of time. This is probably not ideal, as the test case isn't guaranteed to run the same speed every time (it runs in a shared environment), so comparing the logs to desired output would be difficult. This software DOES print a line for each section of analysis it completes. Question: I was wondering if there was a good/elegant way (in a shell script) to capture output from a program and then kill the program when a given line/# of lines is output by the program?

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• How to calculate required switch speed based on network usage?

  - by tobefound

  I have a 48 port HP Procurve Switch 2610 (J9088A) that can handle 13.0 million PPS (packets per second) and features wire speed switching capacity at 17.6Gbps. First off, what does that REALLY mean? Where do I start when trying to figure out if my office (with 70 employees) will be well setup with this switch? How to calculate through-put based on a user average load of X MB per day? 90% of the folks will only be sending email, access random websites, etc... the other 10% will be conducting heavier tasks like moving image files (10 MB) across network shares, constant external FTP streams through the switch to a server etc... Is this switch good enough?

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• Remove Duplicate Messages from Maildir

  - by Joseph Holsten

  I've got a bunch of duplicate messages in my IMAP server's Maildir. What's the best way to remove them? Some relevant points: Shared Message-ID is usually a good enough definition of duplicate. A tiny script that removes all but one of the duplicate messages would work. Sometimes it's necessary to find duplicates based on shared message bodies. What's a reasonable definition of shared here? Bitwise equivalent? What about weird differences in line wrapping, escaping, character encoding? Sometimes there's some meaningful difference between 'duplicate' messages. What's the best way to review the differences in sets of 'duplicate' messages? Diffs?

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• Excel - working in a bank

  - by Einsteins Grandson

  I am supposed to go to an interview to a bank for just supporting managers in projects. It's a part-time job and the thing is that bank uses Excel for everything. Modifications of tables of really lot of data... What can I expect to find in the test of Excel? I have some books that are around 1000 pages thick but I don't have time and also don't feel like reading everything that's in them. These are the books that I have: http://www.amazon.com/Excel-2010-Bible-John-Walkenbach/dp/0470474874/ref=sr_1_1?ie=UTF8&qid=1347571864&sr=8-1&keywords=excel+bible http://www.amazon.com/Excel-2010-The-Missing-Manual/dp/1449382355/ref=sr_1_1?ie=UTF8&qid=1347571884&sr=8-1&keywords=Excel+2010+The+Missing+Manual http://www.amazon.com/Microsoft-Excel-2010-In-Depth/dp/0789743086/ref=sr_1_1?ie=UTF8&qid=1347571904&sr=8-1&keywords=Microsoft+Excel+2010+In+Depth So, anybody knows a good online tutorial or a book that would contain the basics and was not that much thick? ;-) Thanks so much!!!

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• Home Network Photo Server

  - by CMP

  I am looking for a photo solution for our home network. We have several computers, running windows and OS X. I would like to store all of our photos in a central location, and have them be accessible from any machine. Most of our photos are currently in an iPhoto library, and ideally there would still be a way to import photos from the server to iPhoto easily. This can run really on any operating system, but it must be easily accessible for anybody. A gallery type view would be good, but also must allow direct file access and transfers. Anybody have a solution that works for them, or any ideas of what I could do?

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• Warming up an IIS Application Pool automatically?

  - by Michael Stum

  So IIS likes to shut down app pools that aren't in use. While this makes sense, I would like to have certain app pools conterminously running, but I don't want to just disable the automatic app pool restart as some of the settings (e.g., maximum memory limit) are good to have. I know that Microsoft announced the IIS Application Warmup module as an IIS 7.5 feature only then to do a Bait & Switch and pull it again so that they can put it in IIS 8 instead, so I wonder if something exists to run on IIS 7.5/Windows 2008 R2?

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• Need help upgrading MacBookPro3,1 RAM to 4GB.

  - by Fantomas

  My questions are: 1) Where to buy it and what to buy? I have heard that this RAM is generic enough and it does not have to come from Apple. 2) Can I reuse my existing stick(s)? Would I have a single 2GB module, or 2 x 1GB modules? 3) If I have 2GB already, is it a good idea to have one old stick and one new one? Which one is better placed at the top and which one at the bottom? Let me know what questions you have. My computer's info: Hardware Overview: Model Name: MacBook Pro Model Identifier: MacBookPro3,1 Processor Name: Intel Core 2 Duo Processor Speed: 2.4 GHz Number Of Processors: 1 Total Number Of Cores: 2 L2 Cache: 4 MB Memory: 2 GB Bus Speed: 800 MHz Boot ROM Version: MBP31.0070.B07 SMC Version (system): 1.16f11

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• Configuring Corporate Windows Error Reporting On Windows 7

  - by Clément

  Is there any good documentation out there explaining how to setup Corporate Error Reporting (CER) on Windows 7? I found some information in Advanced Windows Debugging but the book targets Windows XP and things have changed quite a bit since then. I could not find any tutorials on the Internet/MSDN either. To give a bit of background information, I work for a company with 25 employees and I would like to send crash reports to a local server so that I can analyze what causes our tools to crash. I think I need to know two things: Setting up a Corporate Error Reporting server. Setting up computer to send error reports to our Corporate Error Reporting server.

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• Server monitoring for medium scale UNIX network

  - by nbartolomeo

  I'm looking for suggestions for a good monitoring tools, or tools, to handle a mixed Linux (RedHat 4-5) and HPUX environment. Currently we are using Hobbit which is working reasonably well but it is becoming harder to keep track of what alerts are sent out for what servers. Features I'd like to see: Easy configuration of servers. The ability to monitor CPU, network, memory, and specific processes I've looked into Nagios but from what I have seen it won't be easy to set up the configuration for all of our servers ~200 and that without installing a plugin into each agent I won't be able to monitor processes.

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• What is a safe way to dispose of personal info on an old laptop and what to do with said laptop?

  - by MikeN

  I have an old laptop someone gave me that only has 64Megs of RAM on it and runs WIN XP. I wanted to wipe the drive clean by installing Ubuntu Desktop to remove any shred of personal information on it and to make it useful to someone else. But the Ubuntu installer keeps failing because there is not enough RAM. Is there another version of Linux that would easily install on a 64 Megs of RAM system? 2nd part of question, what do I do with this old laptop? It doesn't have a battery anymore and has to be plugged into the wall to run. Assuming I can install a good Linux distro on it, who do I give it to? Salvation Army? I'm looking to just have it be useful to someone or some organization for spare parts or some basic computer usage.

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• Best idea dataserver serving small pictures 40 ko

  - by Nicolas Manzini

  I'm designing the server structure for my application in case things go well. I have one server DB connected to multiple server who process connections. All those with lots of RAM and fast processors. (still looking for a way to use the multithread because now it's dumb apache php... so loooots of ram needed). Upon an answer from those servers, the client can then connect to another server to retrieve pictures using the address he previously got from the db. Is it a good idea to have one database server with let's say nginx and ssd disk having to send all pictures to everybody? or should I have multiple server accessing to a shared ssd disk drive or multiple disk updating each other? Also should I put a lot of RAM on the database server? because probably there wont be a picture more popular than another.

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