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• Matte or non-widescreen laptop? Do they exist?

  - by Alan Harris-Reid

  Does anyone know of any matte-screen laptops being sold now (15.6 or 17") in the UK? All I can find is the Dell Vostro 3500/3700 range, but there is a premium of around £200 over the price of their Inspiron range (for the 17" model), and I find it hard justifying the extra cost just to have a matte screen. I do not like glossy screens, but it seems the laptop industry has gone the way of "glossy is better - let's get rid of matte". I have read and heard from other developers that as long as there are no strong light sources to reflect off the screen, one can soon get used to a glossy screen, but I am yet to be convinced. I would also be interested if anyone knows of any non 16:9 screen laptops. I find this ratio too wide and not high-enough for the work I do. 16:10 or lower would be better. Any opinions would be appreciated. Alan

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• CentOS / Redhat: Give file permission for apache and vsftp

  - by paskster

  I use CentOS 5.5 and Apache Webserver on my dedicated Server. My Folder "/var/www/myWebApp" is owned by apache, so that apache can read, write logs, etc.. But now I would like to use very secure FTP (vsftp) to upload my new files. I used to give every user rwx -Acess to "/var/www/myWebApp", but I guess this is way to insecure. On CentOS I created another user "ftpuser" for uploading files and that has "/var/www/myWebApp" as its home directory. How can I give him the permission to write into the "/var/www/myWebApp" without giving every user the same rights?

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• How to select a server that supports Windows scheduled file IO

  - by Kristof Verbiest

  Background: I am developing an application that needs to read data from disk with a fairly consistent throughput. It is important that this throughput is not influenced by other actions that happen on the disk (e.g. by other processes). For this purpose, I was hoping to use the 'Scheduled File I/O' feature in Windows (throught the GetFileBandwithReservation and SetFileBandwithReservation functions). However, this StackOverflow question has thought me that this feature is only available if the device driver supports it. Currently I have no computer at my disposition that seems to support this feature (I have an HP Proliant server and a Dell Precision workstation). Question: If I were to order a new server, how can I know beforehand if this feature will be supported by the device driver? How 'upscale' does the server have to be? Has anybody used this feature with success and cares to share his experiences?

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• How to determine the used size of device associated's buffer

  - by dubbaluga

  Hi, when mounting a device without the "sync" option, e. g. by invoking the following: mount -o async /dev/sdc1 /mnt a buffer is associated with a device to optimize (speed) read/write operations. Is there a way to determine the size of this buffer? Another question that comes into my mind is, if it's possible to find out how much of it is used currently. This can be interesting to determine the time it would take to "sync" or "umount" slow devices, such as flash-based media. Thanks in advance for your answers, Rainer

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• FreeBSD: Samba performance over GBit-Ethernet

  - by Axel Gneiting

  I'm using a FreeBSD NAS with RAID-Z. I can read ~300MB/s from the ZFS disks to /dev/null on the box, but only get about 50MB/s over GBit-Ethernet with SMB to Windows 7 (Samba 3.5.6). Both systems have Intel-PCIe-NICs and are connected directly. Samba is configured to use AIO and I already tried to tune TCP/IP: kern.ipc.maxsockbuf=16777216 net.inet.tcp.sendspace=1048576 net.inet.tcp.recvspace=1048576 net.inet.tcp.sendbuf_max=8388608 net.inet.tcp.recvbuf_max=8388608 net.inet.tcp.delayed_ack=0 Any ideas what's causing the bottleneck? I think the link should handle 100 MB/s easily.

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• IBM System i Permissions on Database views

  - by Big EMPin

  We have an IBM System i running IBM i OS v6r1. On this system, I have created some database views. What I want to do is give a particular user group access to ONLY these views and nothing else within the library in which the views reside. Is this possible? I had a user group that had read only permissions to all tables and views in the library in which my views are located, and access works when the user is under this usergroup. I tried copying the user group, and then assigning permissions to only include the views I have created, and access is denied. Does a user or usergroup also have to have permissions on the table from which the view originates in order to access the view?

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• Slow file operations, possible I/O error but chkdsk says OK

  - by mikolajek

  I've recently faced a strange problem. I use Directory Opus file manager that suddenly started to report an I/O error when trying to copy files onto one of my disks. The Windows Explorer did copy those files but it was extremely slow. I run chkdsk on this drive (ca. 300GB) and it took it over two days to complete! However it reported no errors found. I run Hard Disk Sentinel that says the drive is OK. But the files still read and write extremely slow! Can anyone advise me what to do? I have a spare space I am copying my files for backup now but should I get rid of this disk? Or can I try to "heal" it somehow? Many thanks for your ideas!

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• Need advise on choosing aws EC2

  - by Mayank

  I'm planning to host a website where in the first phase I would target 30,000 users. It is in php and runs on Apache server. I'm assuming 8,000 users can be online in worst case scenario and 1000 of them will be uploading photographs. A photograph will be resized to around 1MB at client side and one HTTP request is uploading only one photograph. My plan: 2 Small EC2 instances to run Apache httpd 2 Small EC2 instances to DB (Postgresql). I to write data and other its read replica. EBS volumes for DBs Last, Amazon S3 for uploaded photographs. My question here Is Small EC2 instance more than what I require. I mean should I go for micro Is 8000 simultaneous user a right no. (to decide what EC2 instance to choose) for a new website Or should I go for Small instance so to make it capable of spikes

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• How to create an "hybrid" usb stick?

  - by rdesign

  Hey guys, I was wondering how to make an hybrid usb stick. That means a usb stick that runs under mac and windows and displays specific content. Example: Plug in on win : index.html opens. Mac os X files are invisible. Plug in on mac: indexMac.html opens. Win files are invisible. I know that every usb stick can be read by both platforms. The Apple Mac os X CD is something which inspired me. thanks a lot.

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• Kanji characters appear as boxes

  - by s3d10s

  i'm having trouble with the display of japanese characters on Windows 8 Pro (English, 64-bit, updated regularly). They appear as boxes (picture) in windows explorer, windows menus (even in the language settings of control panel), iTunes and nearly everywhere else, besides web browsers. I was using windows 7 until now, and it didn't have any of these problems, and i'm using the same applications now, as i was using in windows 7. Sometimes (!) when i restart the machine the problem goes away, but that isn't a real solution. What i've tried so far: added japanese language to windows of course installed/uninstalled/reinstalled japanase language pack (didn't have any impact though) i've read in one of these superuser topics a possible solution, when i had to create a txt file on the desktop with a kanji in the filename - that also didn't work (but i honestly hope that hacking and tweaking an operation system released in 2012 can't be the solution to display kanjis..) Please give me any ideas, i'm a bit hopeless here, and don't want to spend my life installing operation systems..

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• Admin mode on Procurve Switches

  - by stefan.at.wpf

  Not being a network expert, I spent some time configuring my network, until I found my mistake: On my HP ProCurve Switch 1810G, I thought that "Admin mode" means whether the administrative interface can be accessed from this port. Well, it means whether the port is enabled or not. Extract from the help function: Admin Mode - Select to enable the port-control administration state. Click to enable and have the port participate in the network.(Default : Enabled ) Well, of course I didn't read the help, because I didn't doubt it's for the adminsitrative interface and suspected an error somewhere else. Anyway, I am wondering if that is a commonly used term for enabling/disabling ports or if HP just wanted to make my life harder? I can't understand why this option isn't just called "Enable port"!? Here's a screenshot of how it looks in the web interface (yeah, shame on me for using a web interface)

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• Where can I learn various hacking techniques on the web?

  - by Carson Myers

  I would like to try my hand at hacking -- that is, exploiting various website vulnerabilities. Not for any illegal purpose mind you, but so I can have a better understanding and appreciation of these exploits while writing my own web software. I seem to recall that there was a community that hosted a bunch of demo websites, and you had to find and exploit certain vulnerabilities with each one. I can't remember what it is called but this is the sort of thing I am looking for -- I have read a tonne of little XSS and CSRF examples but have yet to find a real-life hands-on example of one. Does anyone know of such a place, where I can be given an example page and look for security holes? I would really rather not try this with actual websites, I don't want to break any laws.

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• Update openssl in debian squeeze

  - by PiTheNumber

  There is this CVE-2014-0224 bug in openssl so I would like to update my affected # openssl version OpenSSL 0.9.8o 01 Jun 2010 But there is no update for squeeze. I read the it is already fixed in squeeze-LTS. What I am supposed to do? Will there be an fix for squeeze and I just need to wait? Should I install an openssl update manually? How? I tried to install openssl-0.9.8za and openssl-1.0.1h with wget, ./config, make, make install but openssl version is still that same. I also tried config parameters but with this build fails.

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• How Do I Get poledit.exe Out Of Windows 2000 Service Pack 4?

  - by Nick

  I've read that I can get poledit.exe from Windows 2000 Service Pack 4, but have been unable to figure out how. I've downloaded the service pack from Microsoft's website, "W2KSP4_EN.EXE", and extracted it using the "/x" option on the command line: W2KSP4_EN.EXE /x Which produced an i386 folder with a bunch of files in it, but poledit.exe isn't there. Theres a "poledit.ex_", but changing the "_" to an "e" and trying to execute it results in the error: The NTVDM CPU has encountered an illegal instruction. I'm trying to do this on a winXP Pro machine. I know I've gotten this to work before, but don't remember how I did it. What am I missing?

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• ESXi 5.1 on Poweredge 510 freezes after base-esx update

  - by goober

  Background / Problem Just experienced an issue where an ESXi host was upgraded from 5.0 -- 5.1 perfectly fine. Then, I did a scan and remediated a patch (ESXi510-201210401-BG) Looking into the host on via the kvm switch, this appears to complete successfully. However, on reboot, the server hangs at the "Initializing Power Management" phase. I've read from various spots around the internet that this usually clears itself up again upon a cold boot, but given that our servers are in a different building with different access rules, the less I have to physically go there, the better. :) Question Is there anything I can do to avoid an ESXi host hanging at the "initialize power management" phase of boot after remediating the host to apply patches?

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• MySQL Stored Procedure Parameters are NULL

  - by emmilely

  I am stumped, and was hoping someone here would have a quick and easy answer. I did a fresh install of MySQL 5.5 and am trying to pass parameters into a stored procedure. The parameter values aren't being read by the stored procedure. MySQL doesn't throw an error and processes the code with null parameters. Here is the code: DELIMITER $$ CREATE DEFINER=`root`@`%` PROCEDURE `testing`(IN parameter INTEGER) BEGIN UPDATE table_name SET valueToChange = 'Test' WHERE mainID = @parameter; END And here is the query I'm using to call it: USE database_name; CALL testing(72); Can anyone help?

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• Why won't SSI work in IIS?

  - by Josh Kodroff

  I can't get IIS to respect my SSI directives - it just outputs the #include directive as if it were regular old html. Here's the relevant data points: My file with the include directive is called index.html This is my directive: <!-- #include file = "header.shtml" --> (it doesn't work with virtual either.) The file being requested is in the same directory as the file being #include-ed. The SSI module is installed. The SSINC-shtml handler mapping is present and enabled. I think it might be some sort of permissions issue (read/write/execute), but I don't know where those settings are in IIS 7.5.

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• How to use iTunes USB File Transfer to copy files from PC to Apple iPad, e.g. PDF files for viewer a

  - by Chris W. Rea

  I'm interested in reading PDF-format ebooks on my Apple iPad. I have half a gig of PDFs I want to transfer to it, from my PC. I'm familiar already with loading EPUB-format titles through iBooks – unfortunately, iBooks doesn't read PDFs so I am looking at using a third-party application. I know many such third-party media viewer applications for the iPad support download from web or email, but that's a hassle. I've heard iTunes 9.1 added support for USB File Transfer, specifically for iPad devices. How does USB File Transfer work in iTunes, for transferring files from my PC to my iPad? Please provide example steps. Moderators: Please remember the FAQ's "except insofar as they interface with your computer." ;-)

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• W3 Total Cache or WP Super Cache?

  - by javipas

  I'm just preparing the setup of a new VPS where I will migrate a WordPress blog with a good traffic (currently, around 40k pageviews a day), and I was thinking about the caching strategy. I've found different ideas and recommendations, but from previous experiences I will setup a Nginx+PHP-FPM+MySQL (LEMP) system on a Linode VPS. I've read also about setting Nginx as a reverse proxy with Apache, and even using Varnish too, but I don't know if all of this can benefit the speed/performance of the blog (that's the only thing that will be installed on the VPS). The question now is... would you recommend W3 Total Cache or WP Super Cache? I've used W3 on some blogs, but I haven't noticed great benefits and don't need all its options, so I think I could give the veteran WP Super Cache a try. Besides, some users have complained about W3 complex configuration and lack of performance (even consumig more CPU) on some cases.

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• Supervisor VS cronjob

  - by Guandalino

  Actually I'm using supervisor to monitor a process and restart it when it stops for some reason. The problem is that in case of a supervisor crash the process stops get monitored. So I thought to schedule a cronjob to check supervisor is running, and eventually restart it. The next thing I'm considering is to get rid of supervisor and check my process directly from the cronjob. I read that sometimes supervisor uses too much memory (to be verified, though). What are the pros in having supervisor VS cronjob monitoring the process?

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• Reordering context menu items in Foobar2000?

  - by oKtosiTe

  I read somewhere that context menu items in foobar2000 could not only be enabled/disabled, but also reordered in "Preferences: Context Menu". Perhaps I'm missing something, but I can't for the life of me figure out how to reorder them; I tried dragging, right-clicking and several key combinations to no avail. Am I missing something, or is this impossible (now)? (In this case I'd like to move the "Rating" item out of the Playback Statistics submenu.) I'm using foobar2000 1.1.3.

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• iPod Touch G4 disconnects from Belkin N+ Router at random intervals

  - by leeand00

  I have an iPod Touch G4 and a Belkin N+ Router F5D8235-4 v2, and for some reason the iPod Touch disconnects from the router at random intervals. Checking the settings in the iPod, it will read that it is still connected to the router, but before I can access the internet again, I have to turn on Airplane mode and then turn it off again to get any program to work with the Internet again. I've tried upgrading the firmware in the router, but that also doesn't seem to help. I'm using the wiresless mode 802.11b&802.11g&802.11n in the 20/40MHz frequency. Is there any way of fixing this issue? It doesn't happen with any of the other devices that are connected to the router. This post has been cross-posted here

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• Using symbolic links with git

  - by Alfredo Palhares

  I used to have my system configuration files all in one directory for better management but now i need to use some version control on it. But the problem is that git doesn't understand symbolic links that point to outside of the repository, and i can't invert the role ( having the real files on the repository and the symbolic links on their proper path ) since some files are read before the kernel loads. I think that I can use unison to sync the files in the repo and and the their paths, but it's just not practical. And hard links will probably be broken. Any idea ?

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• Why does a zip file appear larger than the source file especially when it is text?

  - by PeanutsMonkey

  I have a text file that is 19 bytes in size and having compressed the file using zip and 7zip, it appears to be larger. I had a read of the question on Why is a 7zipped file larger than the raw file? as well as Why doesn't ZIP Compression compress anything? but considering the file is not already compressed I would have expected further compression. Attached is a screenshot. EDIT0 I took the example further by creating a file that contained random data as follows dd if=/dev/urandom of=sample.log bs=1G count=1 and attempted to compress the file using both zip and 7zip however there were no compression gains. Why is that?

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• Record demo and save as AVI for upload to YouTube?

  - by OverTheRainbow

  Hello I need to record the demo of a program in Windows, and save this into an AVI file so that I can upload it to YouTube. I tried Wink for this, but unless I overlooked it, it saves files as Flash (FLV), which YouTube refused. Is there an open-source alternative? I don't need something hardcore, just a tool that will let me save a demo, and insert a couple of slides where the demo stops to let the user read stuff and click on a button to resume watching. Thank you.

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