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• Will an SSD help prevent laptop overheating?

  - by alex

  My laptop has a severe overheating problem, even though it's quite new (< 6 month). It's still regularly overheating to the point where it shuts down. This usually happens while playing games but sometimes while watching videos or using Skype video calls for a long time. I'm already keeping it mid-air on a cooling tray with 2 external coolers, but that doesn't seem to help. The only other thing I can think of is installing an SSD instead of the current HDD. I've read up that they generate less heat then hard drives, but can it actually make a serious difference to the heat level of the laptop? If there are any other suggestions, please feel free to comment. The laptop is a Toshiba Satellite L650D-11R.

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• Disappearing mouse cursor in Word, Notepad, Outlook

  - by user161548

  I purchased a lenovo led monitor as a second monitor so I have dual screens now. Everything works great except all text programs make my cursor disappear on the new monitor. Everything works great on the old monitor but if I drag a text document to the new screen the cursor is invisible. Any ideas on what to try? Odd to me that it works on one and not the other so assuming it has something to do with the monitor but none of the settings seem to make a difference.

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• What does the red x icon mean next to a user in folder permissions (Windows 7)

  - by Scott Szretter

  In trying to debug various strange issues on a machine, I found something strange - when I go to C:\Users\administrator and get properties, security tab, it lists the users (the local admin account, system, and 'administrator' which is the domain administrator account). It all looks fine in terms of permissions (full control, etc.) compared to other machines. The one difference is there is a small red circle with an X to the left of the user icon/name. Additionally, there are various folders where it says access denied under there - for example, my documents! Even logged in as the local machine administrator account (which is not named administrator), I am unable to change the permissions - it says access denied. Any ideas what this means and how to fix it? I even tried re-joining the machine to the domain.

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• Google maps later traffic

  - by bobobobo

  Google maps has this feature of showing you how long it will take to get somewhere based on current traffic. But what about history, or asking for a prediction of how long it will take to get somewhere, during rush hour, for example? So, how long will it take to get there on this route if I leave at 5, vs how long it will take if I leave at 3. (A difference of 30 minutes on the road sometimes!) If google maps doesn't provide this service, iis there anywhere that does?

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• Innodb statistics

  - by user64204

  We're running InnoDB as a MySQL engine and using phpMyadmin to administer our database. Under Status - Query statistics, phpMyadmin gives us the following: We would like to know where these figures come from because we would like to create a Munin graph showing the evolution of these statistics over time. When we run the SHOW STATUS; query here is what we get: Innodb_rows_deleted 247555 Innodb_rows_inserted 822911 Innodb_rows_read 694934413 Innodb_rows_updated 15048 As you can see there is a substantial difference although both were taking almost at the same time. Q: Do you know where phpMyadmin gets its values from?

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• Why can't I use %USERPROFILE% in %PATH%?

  - by Zano

  On my Windows 7 machine, using the System Properties Environment Variables tool, I try to add %USERPROFILE%\Bin to the system variable PATH. For some reason, that doesn't work, even though %SystemRoot%\system32 works fine. When I try to run commands from the console, files in my Bin folder are not found, even though files in the System32 folder are found. The only difference between UserProfile and SystemRoot that I can see is that the former is a user variable while the latter is a system variable. I i write echo %USERPROFILE%\Bin it yields c:\Users\zano, and if I add c:\Users\zano\Bin explicitly, everything work fine. What's the problem here?

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• USB 3.0 Device not detected in Windows 8

  - by Tek

  About my setup: Windows 8 64-bit. X79-UD3 Motherboard. Latest Windows 8 USB 3.0 Drivers from motherboard manufacturer website. All right so device manager detects my USB 3.0 ports, so all is well there. However when I plug in my external USB 3.0 hard drive, windows doesn't even make a beep; the hard drive is not picked up by device manager at all. The SAME thing happens with Ubuntu 12.10 BUT adding PCI=nomsi (as a workaround) to the Grub command line of the Ubuntu boot option makes Ubuntu 12.10 detect my external hard drive. I also have a few other doubts, if you guys would be kind enough to answer them that include: Should XHCI hand-off in the UEFI bios be enabled or disabled for Windows 8? The difference between XHCI hand-off and EHCI hand-off and what are it's effects on USB 3.0 functionality? And last but not least how can I get Windows 8 to recognize my external hard drive when Ubuntu 12.10 (after the Grub workaround) works fine?

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• Ubuntu server 9.10 freezes up after ~10 minutes - unconventional

  - by L33tCh

  There is a topic by essentially the same name, but my answer leads to another question which I would like answered so... My case is as follows: I connect through SSH to my server... no problems for many months on Ubuntu Server 9.04. Eventually I decided to updgrade and straight away I get the 10 minutes freeze problem. I went through all the possible fixes (many can be found here but my quick fix, the only that worked, leaves me with no real answer as to why and how to properly correct it... As ridiculous as it sounds... while I leave a keyboard plugged in... it runs without flaw. Can anyone make sense of this? For the sake of completeness, (although none of the following made any difference upon subsequent completion), some of the permanent changes I have made while trying to correct the issue are: replacing samba config file with 9.04 backup, booting with noapic and modifying sysctl.conf, just uncommenting additional settings for enhanced security.

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• initctl respawn does not reload configuration

  - by DELUXEnized

  My upstart service is running with the respawn option. I was hoping that if I deploy a new service config, the config will be loaded, when the service respawns. Neither the initctl reload-configuration command forces a reload, nor the restart command. Only an explicit stop and start reloads the configuration. The problem is, that I can not stop and start the service, at deploy time. The service itself schedules its restart by just shutting down. Is this behavior by design or am I missing something? Would it change anything, if I did the respawn with a second watchdog-service by an explicit start if my service stops? Why is there a difference between an explicit start/stop and the restart command or respawn option. Thanks.

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• Auth failed running command from shell script

  - by CSchulz

  I try to run following command from shell script: svn checkout http://url/ --username user --password password --non-interactive --no-auth-cache . It fails always with following error: svn: OPTIONS of 'http://url/': authorization failed: Could not authenticate to server: rejected Basic challenge (http://url) Here the call out of my script: $(svn $command $url $auth --non-interactive --no-auth-cache .) Running the same command from the terminal works fine. What is the difference between running from shell script and terminal? EDIT: Here some version information: OS: Porteus 1.0 based on Slackware 13.3 Subversion: subversion-1.6.16-i486-1

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• Some printers are merged into control panel on Windows 7

  - by Bertrand SCHITS

  I install the same printer several times to allow easy selection for users. They just choose the desired printer to have the corresponding functionnality (instead of going to printer properties and change them back and forth): one with double-sided printing, one for draft quality, one for upper tray, etc. On Windows 7, when I install a printer several times, the control panel's printers icons are merged. I then have only one icon for two or three identical printers. I can right-clic on the icon to display the usual menu, and some items of the menu have an arrow to access each printer. This is very missleading for users and admins. I have this behaviour on some computers, when others don't exhibit this. I didn't found what is the difference between computers with and without the problem. Anyone know how to prevent this ?

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• Why Virtualbox VDI doubles the space of the VM hard disk?

  - by logoff

  I have one Xubuntu 12.10 64 bit Virtualbox VM on a Windows 7 64 bit host. It has one dynamic allocated hard disk with VDI format with maximum capacity of 20GB. If I use a command df -h in the VM I get that 5.3GB are in use in th main partition. I have only 2 partitions, one for the ext4 hard disk and another with 512MB of swap. I have no snapshots. The VDI file of this VM has 10.7GB. It is normal this difference of space? It is caused because the VDI format?

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• Can I create an Infrastructure access point from built-in WiFi (as opposed to Ad-Hoc) on Windows XP?

  - by evilspoons

  I want to use my Windows XP laptop as an access point. What I am trying to achieve is possible under Windows 7 with a myriad of utilities, but the wireless driver stack was different before Windows 7 and those specific APIs don't exist on XP. The reason behind me wanting to do this is that I would like my Android phone to be able to connect via WiFi to a network that is only hard-wired (reverse tethering). Unfortunately, my Android device (Galaxy S Captivate) does not support ad-hoc networks without a serious amount of screwing around. Is it possible to create an "Infrastructure" network with my Dell Latitude D830's built-in WiFi - a "Dell Wireless 1395 WLAN Card", which I am assuming is probably rebadged Broadcom, or is there some fundamental difference between a wireless adapter and an access point that would prevent this?

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• linux - Is Debian "lighter" than Ubuntu?

  - by user2983756

  I currently run Linux Mint 14 KDE on a "semi-old" machine I use for working and surfing the web - it was the first Linux system I ever used (running away from old Win XP), so I picked a complete system that would have most of my basic needs installed (I didn't even know what exactly all those needs were at the time). The thing is, my computer is becoming really old and Mint is a cluttered system, and for the next installation I'm going to try and install a "raw" system and get everything from the online repos. My question is: Since Ubuntu is Debian-based, does that make it consume more resources than its base system? If that isn't the difference, which one is "lighter" in that sense?

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• Debian SMB share having permission issues in windows 7

  - by xxpor

  Hi Everyone, I setup a Debian squeeze server with samba. I then shared my /media directory with the following configuration: [media] comment=Hard Drives read only = no locking = no path = /media guest ok = yes browsable = yes directory mask = 0777 When the drives are mapped in Windows 7, the user can write to all of the subdirectories of media (sdb1, sdc1, etc), but cannot write to any folders that they create themselves in the subdirectories of media. For example, if the user mapped /media/sdb1 to Z:, and then creates a folder Z:\test, the folder is created successfully, but no files can be written to Z:\test. If the user ssh's into the server, they have no problems writing to these directories. I have included the screenshots, in order, of what happens on Windows. This samba share is mounted with ntfs-3g, if it makes a difference. Screenshots are here

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• What happened to the ability to go back in a already-loaded YouTube video?

  - by Chelonian

  For many years, my experience with YouTube had been, consistently and on any computer/browser, that once a section of that video were loaded, or the whole video, if you wanted to see an earlier part of the video again, you could simply click on the loading bar to that area and you would instantly go to that part. More recently (6 months?) this has changed. Now, clicking in an earlier part of the video forces a reload of the whole video (that is, the grey bar goes back to 0) and you have to hope your loading will be fast enough to make waiting to watch it again even worth it. It is a huge regression in usability for me. Is there any way to watch YouTube videos in the "old way"? I use Firefox 17.0.1 at this point and have an updated (I think) Flash, but I'd be willing to try other browsers or versions if it made a difference.

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• Authentication through mod_auth_kerb should provide website with no user if no TGT provided

  - by loomi

  Users are authenticated by mod_auth_kerb which works great. Therefore I need to set Require valid-user If there is no valid user Apache fails with an 401 Authorization Required. I would like Apache to deliver the website anyway but not providing a remote_user to the underlying script. This is related to How to tell mod_auth_kerb to do its job despite no "require valid-user". But with the important difference that on a whole subdirectory on every url a kerberos negotation should be initiated, and if it fails it should deliver the content anyway.

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• What is the most secure way to set up a mysql user for Wordpress?

  - by Sinthia V

  I am setting up Subdomain based MU on my domain.Everything is hosted by me running on one CentOS/Webmin VPS. Will I be better off setting the MySQL user's domain as localhost, 127.0.0.1 or with a wildcard %.mydomain.com? Which is more secure? Is localhost === 127.0.0.1? If not what is the difference? Also, what is my domain from MySQL's or Wordpress' pov when I am connected by ssh terminal? How about When I connect by Webmin or Usermin? Does MySQL see me as Webmin or my Unix user?

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• ftp-client works fine. ftp-tls-client fails on one computer and works on another

  - by ispiro

  Connecting to ftp - from a Windows Server 2012 - it works both secure (-over tls) and unsecure. From a Windows 7 it succeeds unsecure but fails when secure. (Using explicit TLS and passive mode.) filezilla: 234 AUTH command ok. Expecting TLS Negotiation. Initializing TLS... Connection timed out I've tried many things but nothing helps. (I'm also trying this programmatically. For details see: http://stackoverflow.com/questions/25393716/ftp-ssl-fails-after-expecting-tls-negotiation ) The fact that it does succeed from one computer proves that the ftp server is fine. And the fact that the Windows 7 computer succeeds without tls proves that it's not a NAT/firewall problem (besides, it failed even after disabling firewall etc.). I'm not sure where to start looking. Perhaps a difference between PC Windows and Windows Server? EDIT The ftp server is on a Windows Server 2012.

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• Sync local files to S3 similar to Robocopy

  - by Yuck

  I am looking for a way to synchronize an entire local folder structure to Amazon S3, similar to how one might synchronize two folders using Robocopy. Whatever solution I come up with needs to be scheduled to run periodically from the Windows Task Scheduler. So anything that requires a GUI to perform the synchronization is not a viable solution. Standalone Windows .EXE command line utility for Amazon S3 & EC2 looked promising, but seems to have been abandoned and would not work when I tried to use it. Possibly a difference in the way that security is handled now compared to that software's most recent release.

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• Does the QPI figure matter for large scale data processing using SAS?

  - by xiaodai

  At work we use SAS to manipulte large amounts of data everyday on our workstations. To give an indication of scale the largest merges we had to do was merging 24 files of 2GB in size each together into one big file (if you are familiar with SAS the files are binary compressed too!). If we upgrade our PCs to core i7 then which of Core i7 975 or Core i7 960 is better? The main difference between the two seems to be QPI. So does that affect large scale data processing such as merge datasets in SAS?

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• sudo like in Ubuntu (for Debian and other Linuxes)

  - by chris_l

  Hi, I personally like the default sudo behavior of Ubuntu: - Root login impossible - "admin" group granted "ALL=(ALL) ALL" - users in the "admin" group are asked for their user password (not a root password) when using sudo. [I like it, because this way, there's no root password to be shared among several people. There may be good reasons for other opinions, too - but that shouldn't be the topic of this question.] Now I'm trying to re-create this behavior in Debian Etch. It basically works, but there's one important difference: Debian doesn't ask for a password. It should ask for the user's password. I edited the sudoers file to be exactly the same as in Ubuntu, and I added a user to the newly created "admin" group. What else do I have to do to get the Ubuntu behavior in Debian (and other Linuxes)? Thanks Chris

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• What do desktop users use SSD for? [closed]

  - by Continuation

  I keep hearing people say how much faster their desktops/laptops are after switching to SSD. But then when I ask them what do they use SSD for, the answers are always "booting". Not trying to start a flame war here. I use SSD for my database server and it makes a huge difference. A single SSD can replace a 10 drives RAID 10 and is actually both much faster and MUCH CHEAPER. But I just can't think of a usecase for desktops where SSD could make a similar impact. Sure it's kinda nice to cut boot time down from 40 seconds to 10 seconds. But is it that big a deal? Would love to hear how SSD improves your desktop performance.

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• Which type of Form factor (motherboard) i should buy and why?

  - by metal gear solid

  If budged is not a problem. I just need best performance with less power consumption. I can purchase any cabinet , power supply and Motherboard. Is Power supply has any relation with Form factor, should i purchase PSU according to Form factor of motherboard? Is the size of motherboard and number of Slots only difference between all form factors? Is there any differences among form factors, related to performance of motherboard? Is bigger in Size (ATX) motherboard always better? Is it so smaller in Size motherboard will consume less power? What are pros and cons of each Form factor? What there are so many Form factor were created?

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• "Clear Text Credential Access Enabled" field

  - by Dave

  Searching for answers about the "Clear Text Credential Access Enabled" field, I found a question on an oracle forum that was my exactly what I was trying to find out. Thinking that my answer would soon be found, I happily click on the link only to find zero replies. All hope was lost. I am posting the question here, hoping that someone on this site will know the answer. Can somebody please explain the usage of "Clear Text Credential Access Enabled" checkbox under "-Security-Advanced tab for Weblogic 11g? What is the difference if we set or unset this flag? If I dont set this flag I get an exception like "Access to sensitive attribute in clear text is not allowed due to the setting of ClearTextCredentialAccessEnabled attribute in SecurityConfigurationMBean" when I try to set a value for the "Credential" field. But what should be the value for "Credential" field if I dont set the "Clear Text Credential Access Enabled"flag?

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