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• Why does my fan run so hard on my Dell XPS 15z?

  - by Kilhoffer

  I recently bought a Dell XPS 15z. It came with Windows 7 Home Premium, but I really wanted to try out Ubuntu on it. I ran the Windows installer and was surprised how smooth the process was. Within 10 minutes, I had a dual boot setup with Ubuntu 11.10. It boots into Ubuntu just fine and everything seems to work. I've read a lot about problems with touchpad and wireless, but honestly, I've had none of those issues. The only thing that's really bothering me is the fan constantly runs fast. Under Windows, it rarely ever came on and when it did, it wasnt spinning that fast. What could be going on under Ubuntu that would cause this? I want to get that under control because I want to use Ubuntu as my primary OS and screw Windows. Any help would be much appreciated! Note: I've read that others have set acpi=false, but I have not made any changes to the default installation. Should I make that change?

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• HTTP, HTTPS and FTP is not working but SMTP and IMAP are working.

  - by nWorx

  Yesterday on a computer of a friend a strange thing happened. after booting the ports fo http, https and ftp are closed but e-mail is still working. in the control panel the windows firewall seems active even if he tries to deactivate it. I have a suspision that it is the faul of norton internet security 2010, we have tried to uninstall it, but the uninstallation did not work. when using the removal tool from symantec it just goes to 23% and then it crashes. the process ccSvcHst.exe is still running. How can I safely remove the rest of Norton Internet Security? Edit: Norton Internet Security 2010 is sucesfully removed, but still no connectivity...

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• Explorer forgetting how to cut and paste files

  - by raimesh

  My Windows XP (SP3) machine (at work) occasionally "forgets" how to cut-and-paste files in Explorer - if I cut or copy a file then go to paste it elsewhere, the "paste" and "paste shortcut" menu items are greyed out. The keyboard shortcuts (Ctrl+X/Ctrl+C,Ctrl+V) don't work either, and neither does Drag-and-Drop - clicking and dragging a file/folder doesn't change the pointer and letting go doesn't drop the item anywhere. Restarting the explorer.exe process usually fixes the problem, but sometimes I need to do a full reboot. Note: this may be related to the following existing question, although that's Vista and it sounds like the asker has more permanent problems than I do: http://superuser.com/questions/27045/copy-paste-in-vista-explorer-broken-not-ms-vpc So, any idea what might be causing the problem and how to avoid it?

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• Ubuntu hang, and cannot be soft-reset after resuming from stand by mode

  - by Phuong Nguyen

  I have downgrade my xorg drivers, so I can hibernate and stand by my ubuntu smoothly. However, in some case, there's a problem. My ubuntu get hang. When I tried to switch to console mode (Ctrl+Alt+F1), then I cannot login. The system always reply with an error whenever I tried to press a key. When I press Ctrl+Alt+Del to perform a softreset, here what's it said: [80141.320122] end_request: I/O error, dev sda, sector 193687181 init: control-alt-delete main process (5660) terminated with status 2. This error is not even recorded in syslog. I guess this should be a problem with my hard disk since it said something about a bad sector. Exactly, what kind of error is this?

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• How to focus on one topic? [closed]

  - by Brian

  I have a huge problem while reading computer books. Every couple pages I'll end up googling something I want to learn more about, but then I'll find something on that page that I'll want to learn more about and google that (sometimes programming related, sometime hardware related). Normally after wasting around 3 hours going into different subjects I'll return to the original text only to repeat the process a few pages later. Any advice for sticking to one subject and learning that in-depth? I have tons of programming books I've read half-way through since I'll become interested in other languages/topics (not that I'm not interested in the books I've started). Also, what would be worth focusing on in depth? I've gone into Python in the most depth but for classes I'm learning Java and assembly (ARM and Motorola 68000). Also, I've taken a class on C++. Lately I've been spending most of my time learning about Linux instead of programming though. I'm not sure what would be worth focusing on the most to get a job. In other words, how can you focus on one topic and not let curiosity about everything else get in the way? Thanks in advance, Brian

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• Why can I not use the full capacity of my SSD?

  - by bcmcfc

  I am using Paragon to migrate Windows 7 to an SSD. The C drive which should be migrated is a 100GB partition. During the process, Paragon formats the SSD to 80GB. Why doesn't it take the 100 GB? It later fails because it thinks there isn't enough space on the SSD. However the SSD is 11GB bigger than the partition, and only 45GB of the partition were used anyway. How do I get around this? Is there another tool to do the same job which does it better ?

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• ESX - Initialization for vmfs2 failed with -1

  - by ov4

  I recently purchases a bunch of R710's from Dell. I installed VMWare ESX on them. The installation process finishes without a problem; however once ESX boots the following error displays at the botton with red letters: 00:00:02:21.493 cpu11:4119) mod:2971: Initialization for vmfs2 failed with -1 I installed on two different servers and the same error appears. The curious thing is that if I install ESXi 3.5 or 4 there is not problem. What does this problem mean, and how can I resolve it?

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• How can I get my monitor's maximum resolution without the proprietary AMD graphic driver installed?

  - by Venki

  I am using Ubuntu 14.04. I have an AMD Radeon 5570 HD graphic card. Actually, the default open source REDWOOD drivers aren't allowing me to choose my monitor's maximum screen resolution(which is 1366 x 768). I just have two resolutions displayed which are 1024x768 and 800x600 . If I give the command : xrandr -s 1366x768 then the output is: Size 1366x768 not found in available modes So just for the sake of getting 1366x768 resolution I am forced to install the proprietary graphic driver that AMD gives me from its site. But if I install it(which itself is quite a problem-prone process), I undergo a lot of 'inconvenience'. Sometimes after an OS update, the driver crashes unity. Then I will have to uninstall that driver from a tty and google around for a solution. Also I encounter screen tearing problems occasionally. In addition I also cant see my login screen(See this question which states this particular problem). The main problem is AMD does not update its driver as quick as Ubuntu updates its OS. This is quite irritating. So, I want the maximum resolution(and performance) that my graphics card and monitor can give me without installing the 'problematic' proprietary graphic card driver that AMD gives. Is this possible? Suggestions please. Thanks in advance. PS :- More system specs details:- Intel i3 2100 processor AMD P8H61-M PLUS2 motherboard AMD Radeon 5570 HD graphic card DELL monitor (BTW, Thank you for reading through my elaborate description!)

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• Unable to debug an encodded javascript?

  - by miles away

  I’m having some problems debugging an encoded javacscript. This script I’m referring to given in this link over here. The encoding here is simple and it works by shifting the unicodes values to whatever Codekey was use during encoding. The code that does the decoding is given here in plain English below:- <script language="javascript"> function dF(s){ var s1=unescape(s.substr(0,s.length-1)); var t=''; for(i=0;i<s1.length;i++)t+=String.fromCharCode(s1.charCodeAt(i)-s.substr(s.length-1,1)); document.write(unescape(t)); } </script> I’m interested in knowing or understanding the values (e.g s1,t). Like for example when the value of i=0 what values would the following attributes / method would hold s1.charCodeAt(i) and s.substr(s.length-1,1) The reason I’m doing this is to understand as to how a CodeKey function really works. I don’t see anything in the code above which tells it to decode on the basis of codekey value. The only thing I can point in the encoding text is the last character which is set to 1 , 2 ,3 or 4 depending upon the codekey selected during encoding process. One can verify using the link I have given above. However, to debug, I’m using firebug addon with the script running as localhost on my wamp server. I’m able to put a breakpoint on the js using firebug but I’m unable to retrieve any of the user defined parameters or functions I mentioned above. I want to know under this context what would be best way to debug this encoded js.

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• Google docs spreadsheet not loading

  - by Pythonista's Apprentice

  I have a Google spreadsheet with a lot of very important data and some scripts that where working well. At some point, the brownser crash and I reload the page. After that, I can't acess that (only that!) spreadsheet any more! I try it from other Google accounts but it doesn't work. All I get is the "Loading..." message in the brownser tab and nothing more (the loading process never completes). I also can't: copy the file or download it! Ie, I can lose all the information in my spreadsheet and also lose all my scripts! (I never think something like this could hapen with a Google Product) How can I solve this problem? Thanks in advance for any help!

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• Looking for Kiosk-style / camera store easy photo memory card to CD/DVD burning program for Windows-7 Notebook? For non techie user.

  - by Rob

  I'm looking for a Kiosk-style / camera shop easy photo memory card to CD/DVD burning program? For non technie user. The kind of system you see in a camera shop / store, e.g. in the UK, Jessops and Boots stores. This is for my Dad who is adept at general PC usage as a notebook owner, but would prefer something fairly simple. The task of burning photos to CD/DVD, in their original photo file .jpg form, i.e. NOT as CD or DVD video or slideshow, is what I'm looking for. I'm guessing this might be possible in Picasa, but all the options available might be superfluous and confusing. He could probably learn to use that but thought I would try simpler options first. Looking for something that guides the user through the steps/stages of the process, 'Wizard' style. Any suggestions? Platform: HP Windows 7 Home notebook with CD/DVD burner and SD memory card slot.

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• Server suddenly running out of entropy

  - by Creshal

  Since a reboot yesterday, one of our virtual servers (Debian Lenny, virtualized with Xen) is constantly running out of entropy, leading to timeouts etc. when trying to connect over SSH / TLS-enabled protocols. Is there any way to check which process(es) is(/are) eating up all the entropy? Edit: What I tried: Adding additional entropy sources: time_entropyd, rng-tools feeding urandom back into random, pseudorandom file accesses – netted about 1 MiB additional entropy per second, problems still persisted Checking for unusual activity via lsof, netstat and tcpdump – nothing. No noticeable load or anything Stopping daemons, restarting permanent sessions, rebooting the entire VM – no change in behaviour What in the end worked: Waiting. Since about yesterday noon, there are no connection problems anymore. Entropy is still somewhat low (128 Bytes peak), but TLS/SSH sessions have no noticeable delay anymore. I'm slowly switching our clients back to TLS (all five of them!), but I don't expect any change in behavior now.

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• Why does subshell not inherit exported variable (PS1)?

  - by amn

  After some debugging I finally narrowed down the problem as to why my X session xterm prompt does not appear according to my PS1 setting. If I run sh -c env, it doesn't even show PS1 in the list. Why? export PS1='test' sh -c env # No PS1 in the list, default prompt appearance (shell name + version) Substituting sh with bash yields same result, alas the behavior appears to be the same for both shells/modes. As far as I understood from man bash, the environment resulting from command run by shell with -c should include the exported variables. And it does - exporting FOOBAR results in FOOBAR listed in env run by subshell. It appears that the story is different if the variable is PS1 however. What is going on? I want my prompt propagated throughout the process tree and system. For matters sake, it is set in /etc/profile.d/user.sh (a file I created myself) with the following: PS1='\u@\H \w \$ ' export PS1 I am running Arch Linux (updated yesterday.)

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• What is "queued Windows Error Reporting"?

  - by Rewinder

  I was cleaning up my laptop hard-disk, running Windows 7, and as part of the process I ran the Disk Cleanup utility. To my surprise I saw 2 items in the list that were quite large (both ~300MB). Per user queued Windows Error Reporting System queued Windows Error Reporting I guess I had never noticed these, because they were never that big. So, what are these items? Any particular reason why they became so large all of a sudden? And finally, is it safe to remove them?

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• Access Denied on LAN IIS Access via Integrated Authentication

  - by Pharao2k

  I have an IIS 7.5 (Win2k8R2) Webserver, which publishes an UNC Share (on a Fileserver) with restricted access. The AppPool Identity is a Domain User-Account with read access to mentioned UNC path. Authentication modes are set to Anonymous and Integration Authentication. When I access the path via localhost from the Webserver itself, it works, but if I try the Hostname or IP from either the Webserver or a Client, I get three authentication prompts (does not accept my credentials) and a 401.3 Unauthorized error message (but it states that I am logged in as my normal credentials which definitely have access rights to the UNC path and its files). Security Zone is set to Local Intranet. Sysiniternals Process Monitor lists CreateFile operations on the UNC path (and other existing files in it) with Access Denied and Impersonating on the correct credentials. I don't understand why it is not working, it seems to use the correct credentials on every step on the way but fails with is operations.

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• How do anti-viruses work?

  - by Phoshi

  So I was thinking about viruses recently, and wondering how exactly antiviruses keep up? Considering anybody who'd been coding for a few weeks could hack together something do do nasty, nasty things to somebody's PC, the quantity alone would make a simple list of hashes prohibitive, so how do antiviruses do it? Do they monitor process activity and have a 3 strikes rule for doing virus-like things? And if so, what's stopping it from triggering on perfectly harmless things (like me moving files around in \system32)? I did a bit of googling, but the regular places didn't particularly help, and I couldn't find a dupe here, so I thought it'd be good to ask :)

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• Can't reinstall Office 2010

  - by Sniffer

  I had Office 2010 Professional Plus installed on my Windows 7 (32 bit machine), then I decided to remove it and install the 2013 version. I went to Programs and Features and removed the software as always, everything went successfully and it asked me to reboot the machine in order to complete the un-installation process, and when I clicked reboot a message suddenly appears telling me that an error occurred during un-installation and the system restarts instantly before I get a chance to see the error message. After that I tried to re-install Office 2010 but after the installer seems to have finished, it tells me that the installation failed without an explanations ? I have taken a look at the event viewer and there is some error saying the office protection platform service failed to start, could this have anything to do with the problem? What could be the cause, how can I fix this ?

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• Debugger for file I/O development?

  - by datenwolf

  Okay, the question title may be a bit cryptic. But it aptly describes what I'm looking for: I think every experienced coder went through this numerous times: You get a binary file format specification, you implement the reader for it, and… nothing works like expected. So you run your code in the debugger, go execute through the code line by line, every header field is read in seemingly correct, but when it comes to the bulk data, offset and indices no longer match up. What would really help in this situation was a binary file viewer, that shows you the progress of your file pointer, as you step through the code, and ideally would also highlight all memory maps. Then you could see the context of the current I/O operations, most notably those darn "off-by-one" mistakes, which are even more annoying when reading a file. Implementing such a debugger should not be too hard. traces on the process' file descriptors/handles and triggers on the I/O functions, to update the display. Only: I don't know of such a kind of debugger to exist. Do I just lack knowledge about the existance of such a tool, or is there really no such thing?

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• Hosting and scaling a Facebook application in the cloud? [migrated]

  - by DhruvPathak

  We would be building a Facebook application in Django (Python), but still not sure of where to host it economically, and with a good provision to scale in case the app gets viral. Some details about the app: Would be HTML based like a website,using django as a framework. 100K is the number of expected pageviews in a day, if the app is viral. The users will not generate any media content, only some database data will be generated by them. It would be great if someone with more experience can guide on following points: A) Hosting on Google app engine or Amazon EC2 or some other cloud like RackSpace : Preferable points found in AppEngine were ease of deployment, cost effectiveness and easy scaling. For EC2: Full hold of the virtual machine,Amazon NoSQL and RDMBS database services in case we decide to use them. B) Does backend technology affect monthly cost? eg. would CPU and memory usage difference of Django over , for example , PHP framework like CodeIgnitor really make remarkable difference in running costs. (Here is the article that triggered this thought process : http://journal.dedasys.com/2010/01/12/rough-estimates-of-the-dollar-cost-of-scaling-web-platforms-part-i#comments) C) Does something like Heroku , which provides additional services over Amazon EC2, prove to be better than raw cloud management? It is not that we are trying for premature scaling, we just want to have a good start so that we are ready to handle unpredicted growth and scale.

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• Is there a way to set up message moderation in Exchange 2007?

  - by Nate Pinchot

  Is there a way to get a feature in Exchange 2007 similar to message moderation in Exchange 2010 through the use of third party tools or otherwise? I've Googled things like "exchange 2007 outbound email approval" to no avail. We are working on getting Exchange 2010 implemented but I need an interim solution if at all possible. The reason for this is from a customer service perspective. I am willing to use a small process to be a smart host if needed. I would appreciate any suggestions or advice. Edit: My apologies, I should have been more clear that I am trying to moderate/approve outgoing email from certain users, not moderate/approve email sent to a distribution group.

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• How can I perform a ping every X minuts and check the response time?

  - by Profete162

  I am currently working in a big company and we have serious latency issues. This is happening in a process control system, and is unacceptable (Open a valve sometimes take 2 minuts before command start) The Network team seems very lazy and I want to check when they say "everything alright on the network". So, I want to create a loop that ping the server and write the result in a text file. I am not a batch expert, but do you think this code is correct to use? @ECHO OFF :LOOPSTART time /T ping xxx.xx.x.x -t >> filename.txt sleep -m 3000 GOTO LOOPSTART

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• Dedicated server: managed hosting or manage it myself?

  - by ddawber

  We're currently hosting a number of sites on a self-managed dedicated server. Some companies, however, offer a managed dedicated server hosting service. They offer: Roughly the same server spec Ticketing system support Managed daily backups Virtual firewall (but with a limit of 10 IP addresses allowed through at any one time) Now, this managed hosting is at extra expense - somewhere in the region of $500 per month, and the limit on the number of IP addresses they'll manage on the firewall is also a real pain. My thinking is it would be better and cheaper to Stay with the same host since the dedicated box is fine Get an Amazon AWS account and use their server to manage backups; there are a number of good tools that can be used to automate the process Configure iptables so that I have complete control of the firewall I want to know Is a managed virtual firewall likely to be more secure than me configuring iptables? Whether, in your opinion, it's best to let someone else take care of backups? If, from your experience, there's anything else i'm missing that warrants using managed hosting over a DIY service? I think there is some reluctance to not having managed hosting since a managed host in effect takes responsibility for your server, whereas any hardware or security issues with a server that we manage would mean we are forced to hold our hands up when a client site goes down. That said, I personally don't think a managed host does that much in the day to day running of your server (backups are automatic, OS updates are carried out with ease, etc.).

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• Software Center - Items cannot be installed or removed until package catalog is repaired"

  - by Stephanie

  I tried to install back in time and now I keep getting the message 'items cannot be installed or removed until package catalog is repaired. I have tried sudo apt-get install -f then get Reading package lists... Done Building dependency tree Reading state information... Done Correcting dependencies... Done The following extra packages will be installed: backintime-gnome The following packages will be upgraded: backintime-gnome 1 upgraded, 0 newly installed, 0 to remove and 2 not upgraded. 1 not fully installed or removed. Need to get 0 B/39.4 kB of archives. After this operation, 24.6 kB of additional disk space will be used. Do you want to continue [Y/n]? when I click Y, I get the following message dpkg: dependency problems prevent configuration of backintime-gnome: backintime-gnome depends on backintime-common (= 1.0.7); however: Version of backintime-common on system is 1.0.8-1. dpkg: error processing backintime-gnome (--configure): dependency problems - leaving unconfigured No apport report written because the error message indicates its a followup error from a previous failure. Errors were encountered while processing: backintime-gnome E: Sub-process /usr/bin/dpkg returned an error code (1) stephanie@stephanie-ThinkPad-T61:~$ sudo dpkg --configure -a dpkg: dependency problems prevent configuration of backintime-gnome: backintime-gnome depends on backintime-common (= 1.0.7); however: Version of backintime-common on system is 1.0.8-1. dpkg: error processing backintime-gnome (--configure): dependency problems - leaving unconfigured Errors were encountered while processing: backintime-gnome

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• Commit charge peak higher than system limit

  - by Grubsnik

  We are seeing some very strange behaviour on our servers and google didn't turn up anything usefull, so I'm tossing it out here. A standard server is configured with 4GB Ram, 2 4GB pagefiles and running windows server 2003. The servers are running 50-120 vb6/.net applications which normally consume no more than 100mb of memory, but will occasionally run up to 300 mb. The issue with a single process spending way too much memory is being traced down somewhere else, but the thing that is baffling us is that the reported peak charge is vastly higher than what we have available. As the image above shows, we are getting reported peaks that are way higher than what the system is actually capable of delivering. This number has been seen as high as 29GB, which makes no sense at all for a system with a limit of 12GB. Does anyone have an idea what is going on?

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• TechEd 2010 Day Four: Learning how to help others learn

  - by BuckWoody

  I do quite a few presentations, and teach at the University of Washington, and also teach other classes. But I'm always learning from others how to help others learn. At events like TechEd I have access to some of the best speakers around, so I try to find out what they do that works. I attended a great session by allen White, in which he demonstrated a set of PowerShell scripts. He said that Dan Jones of the Microsoft Manageability team told him while he demonstrated a script he needed to provide some visual way to represent the process. Allen used one of the oldest visualizations around - a flowchart. It was the first time I'd seen one used to illustrate a PowerShell script, and it was very effective. I'm totally stealing the idea. All of us are teachers - we help others on our team understand what we're up to. Make sure you make notes for what you find effective in dealing with you, and then meld that into your own way of teaching. Share this post: email it! | bookmark it! | digg it! | reddit! | kick it! | live it!

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