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• Port 53 UDP Outgoing flood

  - by DanSpd

  Hello I am experiencing very huge problem. I have 4 computers in network, and from each a lot of data is being sent to ISP name servers. Sometimes data is being sent a little from each computer in network, sometimes it is just a lot of data from one computer. I have antivirus (Avast) and malware scan (SpyBot) I know port 53 UDP is dns which resolves domain IP so its' needed. Also I have read that ISP name server might have been infected. So what is the best thing to do in this situation. Also sometimes internet starts to lag really because of port 53

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• ATI Radeon Triple Monitor Setup

  - by Zak

  I have a Dell XPS 8300, and its got an ATI Radeon HD6450 installed. When running Ubuntu 12.04 the triple monitors work flawlessly. I can change the default, turn them on/off etc ... The problem is Windows 7. It is behaving much like in this thread. I know the card supports three, as it WORKS PERFECTLY in the linux portion of my dual boot. Windows can "see" all three, but will only allow two. Is this a WIndows 7 / ATI compatibility issue, or is Windows 7 just stupid (rhetorical)? Had I not had a dual boot Linux box, I might have read the above thread and thought "damn, it just won't work". But I use three monitors every day on this card, so I know it works.... Just not with Windows.

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• Clear / Flush cached memory

  - by TheDave

  I have a small VPS with 6GB RAM hosting a couple of websites. Recently I have noticed that my cached memory size is quite high - see below: Cpu(s): 0.1%us, 0.1%sy, 0.0%ni, 99.1%id, 0.0%wa, 0.2%hi, 0.4%si, 0.0%st Mem: 6113256k total, 5949620k used, 163636k free, 398584k buffers Swap: 1048564k total, 104k used, 1048460k free, 3586468k cached After investigating if there is some method to have this flushed or cleared I stumbled upon a command which is: sync; echo 3 > /proc/sys/vm/drop_caches I read it could be useful to add this to a chron-task/job. Is this method recommended or could this lead to potential problems? The only concern I have is that I use one Magento installation on Memcached - could this have any negative effects on it? I am certainly not a pro therefore I would very much appreciate some expert advise. PS: My VPS runs on CentOS 5 x64 and I have WHM + NGINX installed.

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• Windows Despooler Requires Administrator to Print

  - by Software Monkey

  Does anyone know what changes I might need to make to allow restricted users to print using a printer configured for spooling? My Windows XP SP3 system currently requires me to use an Admin account for printing if the print is configured to spool documents before printing. If the printer is configured for direct printing it works for all accounts. This used to work and some months back it just stopped, and I can't pin down why. The printer itself is configured for all uses to have complete authority. My system is locked down for restricted users given them only read authority to the entire file system except their data directories, which is how I have run my systems for years. I assume there may be a directory somewhere that I need to allow users to write to.

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• Should I Use PHP as FastCGI?

  - by Synetech inc.

  Hi, I am running an Apache webserver on my Windows machine. It is not generally a public server (most of the little bit of traffic comes from the machine itself, and most of the public traffic comes from crawlers). Basically, it is mostly just for use as a test-bed, development system. I have read about how running PHP as FastCGI is better (ie faster and more stable) than as an Apache module. However, I really don’t like the idea of multiple PHP.exe processes (I don’t like that Apache has two processes and I’m not even too thrilled with Chromium’s multi-process model). So I’m wondering if it would be worthwhile to change PHP to FastCGI for this scenario. If it is, how would I configure it? Pretty much all of the information I have seen has been either for non-Windows or for IIS. As I said, I’m running Windows+Apache. Thanks a lot.

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• Connect using sqlplus to db server through multiple tunnels

  - by Samuel Lindblom

  I would like to create an SQL Developer connection to a database through a couple of tunnels. The steps right now are: Connect to server A - connect to server B - run sqlplus against tnsname on a server that I do not have ssh access to. Is there an easy way of using SQL Developer instead of sqlplus? I have read through 20 articles on the subject and still have no idea how to actually make the connection. I understand that you can chain ssh -L commands to get the server connection, but I don't know how to use that connection in SQL Developer.

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• Is zip's encryption really bad?

  - by Nifle

  The standard advice for many years regarding compression and encryption has been that the encryption strength of zip is bad. Is this really the case in this day and age? I read this article about WinZip (it has had the same bad reputation). According to that article the problem is removed provided you follow a few rules when choosing your password. At least 12 characters in length Be random not contain any dictionary, common words or names At least one Upper Case Character Have at least one Lower Case Character Have at least one Numeric Character Have at least one Special Character e.g. $,£,*,%,&,! This would result in roughly 475,920,314,814,253,000,000,000 possible combinations to brute force Please provide recent (say past five years) links to back up your information.

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• FTP restrict user access to a specific folder

  - by Mahdi Ghiasi

  I have created a FTP Site inside IIS 7.5 panel. Now I have access to whole site using administrator username and password. Now, I want to let my friend access a specific folder of that FTP site. (for example, this path: \some\folder\accessible\) I can't create a whole new FTP Site for this purpose, since it says the port is being used by another website. How to create an account for my friend to have access to just an specific folder? P.S: I have read about User Isolation feature of IIS 7.5, but I couldn't find how to create a user just for FTP and set it to a custom path.

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• How can I make results of a formula values that can be filtered or use vlookup with Excel

  - by Burt

  I am having an issue in that I am using various formulas to move, split data, etc from various sources. The problem is when my final results post to the final destination that I want, I still need to either run advanced filters, or a vlookup with the results. I can’t do this because as an example if cell A1 shows a value of: A127 the actual cell content is: =RIGHT(A2,FIND(" ",A2&" ")-2) Everything I read said to copy and paste special values, but this doesn’t work for me as the idea is to have the formulas/macros run everything and eliminating cutting and pasting. In the case above I have a formula that pulls that info from a spreadsheet that is saved every week. Once it is pulled part of it is cut out in another column. I then need to run a vlookup on those results for data already contained on another tab.

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• How to share malicious source code?

  - by darma

  I have a client whose site (not one i developed) is infected by a trojan/malicious code. I have asked him to send me the dirty files in a zip but either gmail or unzipping is blocking them. I've tried text files and word files, and i'm suspecting many different file types will be blocked the same way, either by my mail client, anti-malware software, browser etc. (which is normal). Do you know a way he could share those lines so i can read them and do some research about the malicious source code? An image/screenshot of his text editor would be an idea but the files are long + i'd prefer to be able to copy/paste from them. Thank you!

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• Recommended way to restrict Apache users

  - by Dor

  Following on why should we restrict Apache users, another two questions arises: What is the recommended method of restricting the places Apache users can traverse & read in the file system? What to do against fork bombs and other shell scripting problems? (bash scripting is allowed) My possible solutions (I prefer to know which solution you choose and why): chroot OR mod_chroot disable bash OR use Restricted BASH Please offer another solutions if you find appropriate. (perhaps selinux is?) Current status: Users are allowed to executed bash scripts (via PHP for example) suexec is active Apache requested are served with FastCGI for PHP

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• Having Troubles Getting My Apache Server Online(NodeJS and Apache)

  - by Jeff Armingol

  I am new here. This is my situation. I am using nodejs modules, serialport2 and socket.io, because I am trying to forward the data from my arduino hardware through serialports. In my server side script, I read the data then forward it to the client side. Now I am using Apache to serve the html page,which is the client side. I am running Nodejs on port 8000 and Apache on port 80. It is running OKAY when I view it in my browser typing localhost:80. The data is appearing and seems fine. Now when I tried to get my Apache server online using a Free DDNS provider(http://www.noip.com/) and my port80, it loaded the webpage but there are no data appearing on the page. What seems to be the problem here? Really need your expertise and advice. Thanks in advanced!

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• Kubuntu Monitor Out of Range

  - by uncleo

  My X server seems to be faulty, but I don't know why. I had some problems last week with a new motherboard, but they seemed to be resolved. Today, I updated Kubuntu and restarted, but my Viewsonic VX900 LCD monitor shows the splash screen for several seconds, then displays the message "Out of Range" I have tried various kernels in Grub, some in recovery mode, most do the same thing. No key combinations bring up a shell prompt like I expect. The one exception was a very old kernel, that would only mount the file system as read-only, so I can't fix up the xorg.conf file. Is there anything to be done?

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• The specified module (mod_h264_streaming) could not be found (Apache2)?

  - by rphello101

  I'm trying to get the mod_h264_streaming to work with my Apache2 server. I downloaded a precompiled version of the mod from here. I read here that all I have to do is extract the file to my modules folder, which I did, and add LoadModule h264_streaming_module modules/mod_h264_streaming.so AddHandler h264-streaming.extensions .mp4 to the httpd.conf, which I also did. However, I get this error when I restart Apache: Syntax error on line 173 of C:/Program Files (x86)/Apache Group/Apache2/conf/httpd.conf: Cannot load C:/Program Files (x86)/Apache Group/Apache2/modules/mod_h264_streaming.so into server: The specified module could not be found. Note the errors or messages above, and press the <ESC> key to exit. 26... Even though the file exists right here: C:\Program Files (x86)\Apache Group\Apache2\modules\mod_h264_streaming.so Can anyone tell me what I'm doing wrong?

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• Upgrade to ubuntu 13.04 from 12.04 with iso image

  - by Digvijay Yadav

  I have ubuntu 12.04 installed on my system. I want to upgrade it to ubuntu 13.04. I want to do this upgrade using an iso image of ubuntu 13.04. I tried this Solution But it didn't work for me. After running these command I didn't get any alerts about updating. Also I don't understand the gksu part of the solution. Here are the steps I tried: sudo mount -t iso9660 -o loop PATH/TO/ISO /cdrom then sudo /cdrom/cdromupgrade Read more: http://linuxpoison.blogspot.tw/2011/06/how-to-upgrade-ubuntu-using-alternate.html#ixzz2SFMqlOPx I also wanted to know, If I can do this using a networked computer. By this I mean the iso file is on some other computer. Thank you.

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• SSD install - what do I need to watch out for when reconfiguring SATA ports?

  - by tim11g

  I installed a Samsung 840 SSD in a Windows 7 machine. It seems to be working fine, but I'm not seeing the expected performance. The AS SSD benchmark gives 76 for read and 138 for write. At the upper left of the benchmark it says "pciide - BAD" and "31K - BAD". I'm assuming the "pciide BAD" means the motherboard (Gigabyte GA-P35-DS4) is configured as IDE emulation and needs to change to native SATA. I don't know what the "31K" refers to. The bios settings look like this: I saw this article that indicates that changing the SATA mode of the boot drive can cause problems (Blue Screen): Error message occurs after you change the SATA mode of the boot drive What is the correct procedure to change the SATA Mode without causing a system failure? Apply the registry change from the MSFT article above first, then reboot and change the SATA mode? Will the SATA mode change in the BIOS affect other drives?

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• creating cookbooks and roles with out chef-server

  - by Josh Nankin

  I want to run: knife role create blah I use chef-solo and don't need knife to connect to a server. I just would like to run these commands for helping me prepopulate the files quickly. Everytime I run of these commands it attempts to connect to a server. This does not happen for knife cookbook create blah Double-ewe tee eff. Update: I've noticed this is the case for databags and environments as well. I've read elsewhere that knife is primarily intended for use with the chef-server API, but it seems ridiculous that something like this can't be done. It just needs to save the darn file.

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• Grant relay to servers based on AD security group membership

  - by john

  We're moving our relay from an Exchange 2003 server to an Exchange 2010 server. I was hoping the "Grant or deny relay permissions to specific users or groups" option would still be available in some form, but I can't find out how to do it. I've read up on recieve connectors and so far I can't get it to work. I have edited the security on the Recieve Connector to allow the following extended rights to the group and added computer accounts to that group: Accept Routing Headers Bypass Anti-spam Submit to Server Accept any Sender Accept any Recipient Then I suddenly realised while testing... How would the receive connector resolve the permission to a particular AD object, maybe a reverse DNS lookup? What I'd like to know is if what I'm trying to achieve is possible, and how it would be possible. I would rather not revert to an IP-based list as this is not as manageable, and I'm trying to avoid creating static IPs/reservations for a number of workstations that would otherwise not need them.

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• Playing sound on server using php

  - by Lorenz

  I want to play a sound file on my server using PHP. The PHP script is called by Apache and runs under the user 'nobody', which has by default no access to the speakers. So I created a new user soundoutput which is allowed do play sound and has read permissions for the sound files he should play. If I'm logged in as root, I can play a sound file using echo password | sudo -Su soundoutput mpg321 '/path/to/sound.mp3'. The problem is, that it doesn't work when I'm executing this command using PHP's system_exec. I guess that user nobody isn't allowed to run sudo, but what can I do that he is allowed to do that? Any help appreciated.

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• Simulating mouse clicks at specific screen coordinates

  - by Matteo Riva

  I would like to be able to bind some keys to mouse clicks done in specific locations. For example: when I press F1 I should get a left mouse click at coordinates 300x350, F2 at 600x350 and so on. Even better if this could be bound to a specific window application so that coordinates could be relative to it instead of the base desktop. Is there a software which allows this? ADDITION: Ok autohotkey is great but I have problems with my particular setup. Quoting my comment below: I'm using it with an old game (championship manager 01/02) which runs in windowed mode (and I have to set win98 compatibility for it to run): I can get the mouse to move but no click goes to the application I have read this FAQ but it didn't help, this is the script I tried: SendMode Play SetKeyDelay, 0, 50, Play F1::Click 42, 191 F2::ControlSend ahk_class main, Click, Championship Manager 01/02 Still no luck: pointer moves but no click goes through.

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• redundant/multi-site terminal server

  - by Adam

  Hi We have a Hyper-V cluster running 5 virtual terminal servers using HA. We need to be able make this system redundant and so if this site was to fail our users could log into the backup system at another location and access their data via the terminal servers. Any ideas? We were thinking of maybe using a NAS which replicated the data to the other location in real-time(pass-through disks)? and having a similar Hyper-V cluster setup in the backup location. However we would need to create the users in both location and create a virtual mirror without the data ie applications, directories, settings etc. Is this the best way to achieve this? We have read that using Hyper-v pass through disks is a big performance de-grade.

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• Mac OS X: Trying to install prolog using fink

  - by sixtyfootersdude

  I am trying to install prolog on Mac OS X 10.4.11. I just downloaded fink because I think that that should help me and I am trying to get either: Package swi-prolog-5.8.1-2 or Package gprolog-1.3.1-1 But I am not having any luck. Here is what I was doing: % fink install swi-prolog-5.8.1-2 Information about 1723 packages read in 0 seconds. Failed: no package found for specification 'swi-prolog-5.8.1-2'! % Question 1: Are these what I want to download? Question 2: Why isn't fink working?

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• USB Adapter for Memory Cards

  - by ktm5124

  I am looking for something like a USB adapter for video cards. It is a cable that on one end hooks into a USB port on a computer and on the other accepts any one of a variety of video cards. Essentially it's an "all-in-one" USB adapter for video cards. I'm told that they are sold all over... does anyone know what it is called or where to find them? I should clarify, by the way, that by "video card" I mean a memory card for a video camera, and that the goal is to read this video data onto a computer, from a variety of video card types, through a USB port. That way if you go to your friend's house and bring your computer, you can transfer the video data on his video camera to your computer, trusting that the adapter will have a slot for his kind of video card.

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• How to configure 1080p HDTV as a monitor

  - by Robot

  I've read several posts that almost answer my question, but not quite. I have a Samsung LN32C530 1080p HDTV I'd like to use as a monitor. I was reasonably successful getting the prior 720p model to work ok using SwitchResX, but I think I just got lucky with the parameters (1360x768@60Hz). I tried the expected (1920x1080@60Hz) values and "nearby" ones, with no luck. Older 720p params actually work, but I get the same small real estate as the older model TV. Trying values near 1080p always displays an image that doesn't match the screen size and is very jagged which makes me think interpolation is making things worse. Also, SwitchResX has a bunch of parameters other than H x W ("porch" etc), and I don't know how they all work together. Any help?

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• Using VirtualBox/VMWare to deploy software to multi sites ?

  - by Sim

  Hi all, I'm currently evaluating the feasibility of using VirtualBox (or VMWare) to deploy the follow project to 10 sites Windows XP MSSQL 2005 Express Edition with Advanced Services JBoss to run 1 in-house software that mostly query master data (customers/products) and feed to other software Why I want to do this ? Because the IT staffs in my 10 sites are not capable enough and the steps taken to setup those "in-house project" are also complicated What are the cons I can forsee ? Need extra power to run that virtualbox instance The IT staffs won't be much knowledgeable 'bout how to install the stuffs Cost (license for VirtualBox in commercial environment as well as extra OS license) I really seek your inputs on the pro/con of this approach, or any links that I can read further Thanks a lot

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