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• How can I fix a computer that is literally too slow to do anything?

  - by fredley

  I'm troubleshooting a Windows 7 PC for a friend. A couple of days ago it started running 'slow'. It turns out 'slow' is about 15 minutes to the first glimpse of the desktop, and another 30 to show icons. It is possible to open Task Manager, and nothing seems awry, CPU usage at 1-5%, plenty of memory free. The machine is clearly infested with malware though, in particular a program called 'Optimizer Pro' is demanding money to 'remove 5102 files slowing down my computer'. This seems highly suspicious. My problem is though, that I can't access msconfig (I left it for a couple of hours after having hopefully typed it into the Start Menu and hit enter - nothing seems to have loaded), or anything at all basically. I can boot from a Linux Live CD, but can I actually do anything useful from there? System Restore hasn't fixed it either, and Safe Mode exhibits the same behavior.

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• Can't set session.http_only for php under Plesk 11

  - by TheFoOL

  I want to enable session.cookie_httponly for my domain. I added these lines for my domain (in additional configuration directives): session.cookie_httponly = On error_log = error.log Error log works fine (a file is created) whereas session.cookie_httponly doesn't (according to phpinfo()). But why not? I use Plesk 11 on Ubuntu Server 12.04. PHP as FastCGI. PHP 5.3.10-1ubuntu3.4. Safe mode is off. Domain is associated to a dedicated IP address. Website powered by Joomla 2.5.7.

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• Is it useful check data integrity in one DAT tape?

  - by maxim

  I backup my data every day on tape using one drive DAT HP Storageworks DAT 160. I use one tape for every day and I turn them weekly. Every monday I check one tape randomly recover some files saved on it. I know that when data is saved on tape, the driver and backup software check data integrity, but I wonder if a manual check of some data saved has a sense or not. I re-use these tapes many times and I would be sure data are safe.

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• Restrict only some plugins to specific sites in Google Chrome

  - by Christian

  I am looking for a way to set up Google Chrome so that it will run a certain plug-in (Java, what else?) only on whitelisted sites, but other plug-ins (like the PDF viewer) everywhere. From playing with the policies available for Chrome, I think there are basically two levels of plug-in management: List of disabled plugins/enabled plugins: Controls whether a plug-in exists for the browser at all This pair of policies applies to plug-ins, but not to sites. Default plug-in settings/Allow plug-ins on sites: Controls on which sites plug-ins can run This set of policies applies to sites, but not to individual plugins, and it cannot override the first pair. There appears to be no way to configure Chrome so that some plug-ins only run on whitelisted sites, but others run everywhere by default. I have also looked at filtering content on the firewall/proxy level, but I'm not convinced it can be done securely there. Filtering by URLs (file names) or content types can be circumvented trivially, and identification by content inspection cannot be safe either.

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• Raid-3 like software backup tool

  - by Chronial

  I have a lot of data (about 7 TB), stored across multiple hard-drives with varying sizes. I would like to have a backup of that data to be safe against drive failure. A RAID is not a good option for me, as I want to keep my cost low and be able to easily extend the storage capacity of my setup by buying an additional HD. I remember seeing a piece of software that generates parity data over all drives and stores that on an extra drive. That solution protects the setup from hard drive failure and works with varying drive sizes (as long as the parity drive is the biggest one). But I can’t seem to find that software again. Does anybody now what I’m talking about or have any other solution for my situation?

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• mysqldump and wamp

  - by Adam

  I am running a wamp server and trying to use mysqldump to backup a mysql database I have. The following is the PHP code I am using to run mysqldump. exec("mysqldump backup -u$user -p$pass > $sql_file"); When I run the script the page just loads inifnately and the backup is not created. A blank file is being created so I know something is happening. Extra info: exec() is not disabled PHP is not running in safe mode Any ideas?? Win XP, WAMP, MYSQL 5.0.51b

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• Bootcamp: setup of Windows 7 (64 bit) hanging at "disk.sys"

  - by Skade

  I am having trouble getting Windows 7 Professional (64bit) to install on a Macbook Pro (late 2010 model). The installer hangs when loading the setup from disk. When restarting, I get an option to boot Windows from disk. The installer then starts loading files from disk and suddenly hangs. Using "Safe Mode" (from the advanced menu), it tells me that the installer hangs when loading "disk.sys". The installation is made on a fresh Bootcamp partition, the disk uses GPT. Has anyone seen this before and maybe found a solution?

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• Computer connects to lan, but not the internet

  - by Jay

  I have a computer with Vista Home that can connect to the router, but it cannot get on the internet. I cannot ping google.com, the request times out. I've tried this on two separate networks and have no trouble with other computers connecting. I've renewed ipconfig, reset winsock, updated the wireless adapter, and the hosts file looks fine. I've tried disabling the firewall as well as a direct wired connection. I did a scan with Norton and it didn't find anything. Is there anything else I can try before resorting to a system restore? Update (Copied from Answer) Windows Update was able to find updates and install them (though, they could have already been downloaded previously). When I pinged Google by using their IP 66.102.9.103, it said it lost 25 percent of the packets. I successfully flushed the DNS but it didn't help. Also, I found safe mode with networking works fine.

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• What is causing my wireless problems?

  - by user34629

  I have a Dell XPS M1330, since I moved to my new house, the wireless barely works on it, my housemates report no problems, so I guess it's something to do with my laptop. It's eratic in normal mode, sometimes not working for days, usually working on-and-off, forcing me to reload pages a few times before they work, etc. It works perfectly in safe mode, the driver I'm using is the Intel PRO/Wireless 3945ABG Network Connection, version 12.4.4.5, with a date at 26/10/2009, the most recent one I could find, bluetooth is not enabled, and I'm running Vista 32-bit Home Premium, which it shipped with. I also tried disabling IPv6 and resetting the IP stack, both to no avail. Can anybody help me?

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• How to find malformed - corrupted - dos - BOMByte Files in Linux

  - by Syquus

  I've several problems maintaining large production servers, in which some developers drop files from Windows environments, sometime with BOM-bytes (We use UTF8, and no need for that), causing lots of troubles. Other times, I got a "no end of line" and "[DOS]" labels when vim-editing files directly on the server. I recently discovered how to find for the bom byte, and how to delete it in a batch script. What about illegal bytes, bad EOLs? Is it safe to use DOS Text Files on a linux environment? Any drawbacks If I use to convert them with dos2unix cmd ? Regards

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• Sony Vaio laptop hangs up on boot

  - by Kole

  When I power on the laptop it displays the "Vaio" logo and the screen after show, but after that the screen is completely blank but the backlight is lit. Nothing progresses from here. When trying to press f8 to boot into safe mode, nothing happens, black screen again. I created a windows 7 32bit install disk (I had the same OS on it before) to repair or even format my pc. I boot from the disk and it loads all the files and gets to the "Windows is starting" screen but after that it always hangs up on a blank screen with a mouse cursor. Is there any fix to this whatsoever?

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• Mac OS X 10.6.8 - Can't remove SophosUpdate Packages/Folders on Desktop

  - by Greg_the_Ant

  Every day a new "SophosUpdate" folder/package will appear on my desktop (see screenshot). When I highlight it my trash can turns into an eject button. When I drag them to the eject button nothing happens. Also nothing happens when I right click one of them and select "eject". The only thing that got rid of them once was starting up in safe mode but they keep coming back after that. Does anyone know what I can do? I'm stuck.

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• What domain names are served by a host?

  - by pjmorse

  For a set of VPSes operated by my company, I'd like to get a list of domain names hosted by each. The list of names has grown in an ad-hoc way for a few years. Is there a simple way to query the Apache and/or Nginx configurations to see what domains the server answers to on port 80? It is safe to assume (a) that I have sudo on these systems, and (b) they aren't using wildcards, although a solution which acknowledged that a wildcard was in use would be useful too if it also provided a list of explicit domains.

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• Connecting to a 2.5" laptop drive using USB

  - by user27449

  So I swapped my MBP hard drive with a SSD drive, and I want to connect to my old hard drive. I bought a nextstar 3 external 2.5" drive enclosure that has a USB 2.0 interface. I watched an online video of an older version of the enclosure, and in the video they had a ATA cable to connect to the drive. My enclosure didn't come with anything like that, and there doesn't seem to be a way to connect to my drive (my old drive is a seagate 500gb momentus 7200 RPM). My laptop is about 2 years old now (MBP 17"). The drive doesnt' have pins to connect, it has a wide plug type connector, and a USB connector also (I was able to directly plugin the USB cable to the drive, but didn't connect it to my computer, was just testing thigns out). Is it safe for me to directly connect the cable that came with the enclosure to the drive, and then connect the other end to my computer? Does this single cable provide power and data transfer?

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• Replacing explorer.exe under Windows 7

  - by Whitey

  A bit of an odd request I gather, but for reasons too deep to go into detail here I need to replace my explorer.exe in the C:\Windows directory. I have tried doing it myself, through the GUI and command prompt (ran as administrator) but I get access denied. It seems that being an admin on your machine is not the highest permission level after all, and only Trusted Installer can modify the file. Does anybody know a way that works? I was about to boot into safe mode and try it but wanted to get some feedback before I do anything in-depth. Thanks.

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• Run preseed commands as specific user / switching users

  - by pduersteler

  Beside the usual setup where I create a normal user foo, I want to run a few d-i preseed/late_command commands as that foo user. My initial thought was to simply call those commands with sudo, e.g: d-i preseed/late_command in-target echo "<pwd>" | sudo -Si <command>. This works for some sort of commands. However the problem is that some of the commands load up shell scripts which require to not be run with sudo. Issuing a su -c "<command>" would be an alternative, but su does not offer the possibility to read the password from stdin. Is it safe to jump around between the users using su (And if yes, how do I provide the stdin? and does it work or just result in a su: must be run from a terminal) or would this cause issues?

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• windows 7 partition disappeared

  - by atoMerz

  I have a VPCF2 with windows 7 installed on it. I was working on my computer when on of my drives (D) disappeared. I can see it in Computer Management>Disk Management and it'd marked as Healthy(Primary Partition). When I right click on it the only options that are enabled are Delete Volume and Help. So I cannot assign a drive letter to it (not even in safe mode). I tried System Restore and it failed. I tried to boot the system using ubuntu tha was installed on my system but that fails too because it was installed on partition D. I'm hopeless. What can I do?

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• How can I fix a computer that is infested with malware and is extremely unresponsive? [closed]

  - by fredley

  Possible Duplicate: How do I get rid of malicious spyware, malware, viruses or rootkits from my PC? I'm troubleshooting a Windows 7 PC for a friend. A couple of days ago it started running 'slow'. It turns out 'slow' is about 15 minutes to the first glimpse of the desktop, and another 30 to show icons. It is possible to open Task Manager, and nothing seems awry, CPU usage at 1-5%, plenty of memory free. The machine is clearly infested with malware though, in particular a program called 'Optimizer Pro' is demanding money to 'remove 5102 files slowing down my computer'. This seems highly suspicious. My problem is though, that I can't access msconfig (I left it for a couple of hours after having hopefully typed it into the Start Menu and hit enter - nothing seems to have loaded), or anything at all basically. I can boot from a Linux Live CD, but can I actually do anything useful from there? System Restore hasn't fixed it either, and Safe Mode exhibits the same behavior.

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• Blank screen on laptop after replacement

  - by Mark

  I have an Acer Aspire 5332 laptop, running Windows 7 home premium 32bit. My screen broke, but the particular screen (LED) are no longer made so I bought a CCFL one with a new converter which has proven to be compatible according to the supplier. When I first booted the screen went blank just after the Windows logo was displayed. I suspected a driver issue, so booted in safe mode without any problems, disabled the display adapter (Intel 4 series express family) and it booted up fine. So I guess the screen is not compatible with the display adapter. The driver version is 8.15.10.1892. I tried updating from the Intel site, but it saying it cannot (something to do with manufacturer specific). The supplier is not willing to take it back, so I'm down £60 (UK). I can use it with the adapter disabled, but the quality is bad and I cannnot play video, etc. Any help appreciated.

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• adding ftp user on ubuntu

  - by user46250

  I followed this tut http://www.trainsignal.com/blog/how-to-set-up-safe-ftp-in-linux to setup an ftp server with user account sudo mkdir -p /home/ftp/ftpuser sudo useradd ftpuser -d /home/ftp/ftpuser -s /bin/false sudo passwd ftpuser when I tried to connect with login ftpuser remotely it didn't work. It didn't work even with root UNLESS I removed root from ftpusers. I am confused ftpusers are the users NOT allowed to do ftp ? Where are the list of users allowed then and why can't I connect with ftpuser I created ?

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• Domain in a hosted environment

  - by cpgascho

  We have an application we host in a third party data center for our clients. We have multiple clients running the same application on several racks of servers. Most of our clients require that our servers be SAS70 compliant. Currently each server has it's own set of users and security settings that need to be configured. We are creating scripts to do this, but what would be the risks/advantages of joining all the servers to the domain for User Management and Group policy for enforcing security settings? The rational of some is that if the DC is hacked the whole network would be compromised where as if one stand alone hosted server is hacked everything else should be safe.

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• My CPU hits 100°C... Help me!

  - by JamesT

  The safe limit for processors is typically 50°C or so, but I have found that my CPU likes to do up to 100°C. I have got these readings from SpeedFan 4.42. I have a Intel Quad Core unclocked. I am using the standard intel fan with heatsink that came with the prossesor My case is a Cooler Master and I have two fans installed on the case. I took the side off to see if that helped. It lowered the temp be 3C. I don't really want to blow the processor and I don't know how to cool it down.

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• Nvidia driver on Windows 7 causing black screen

  - by inKit

  I have just installed Windows 7 on a desktop machine and for the first time ever have had a really tough time doing so, its normally a nice smooth install. This time I found that the monitor would simply go black after completing the installation. I tried reinstalling about 3 times and this did not help. After much searching I discovered that it was the nvidia drivers that were playing up with win 7, so i booted into safe mode, disabled the device, then rebooted to complete the installation. Windows 7 now works fine as long as the nvidia 9600 gt video card is disabled. The moment I enable it, the system requires a reboot and the screen will go black before even getting to the log in screen. I have tried downloading the latest driver and installing it manually, I have also tried uninstalling the device and allowing windows 7 to install it itself. Nothing seems to work. any clues?

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• Very Dark Windows 7 Screen

  - by user147521

  My Gateway laptop -Windows 7- screen became too dark a few days ago after I finished installing Windows automatic update. I can see nothing unless I use a flashlight. Windows login screen is the only bright screen for few seconds. What should I do to resolve this issue? I checked power-saving/ Power Options settings and rebooting in Safe Mode. I tried to lower the refresh rate but it did not allow me. The laptop adapter type is ATI Radeon Xpress series. I calibrated display color. I uninstalled and reinstalled the adapter. I tried to update the driver but the driver is up to-date. Any help would be appreciated.

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• a safer no password sudo?

  - by Stacia

  Ok, here's my problem - Please don't yell at me for being insecure! :) This is on my host machine. I'm the only one using it so it's fairly safe, but I have a very complex password that is hard to type over and over. I use the console for moving files around and executing arbitrary commands a LOT, and I switch terminals, so sudo remembering for the console isn't enough (AND I still have to type in my terrible password at least once!) In the past I have used the NOPASSWD trick in sudoers but I've decided to be more secure. Is there any sort of compromise besides allowing no password access to certain apps? (which can still be insecure) Something that will stop malware and remote logins from sudo rm -rf /-ing me, but in my terminals I can type happily away? Can I have this per terminal, perhaps, so just random commands won't make it through? I've tried running the terminal emulations as sudo, but that puts me as root.

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