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• Windows 7 pc freezes for an indeterminate amount of time after unlocking

  - by pikes

  Not sure if this type of question is appropriate for this forum, but I've tried everything I can think of to solve this problem aside from format/reinstall. I recently got a new work PC (Dell optiplex 755) with windows 7 professional x64. Standard developer software installed for .net development: VS2008, VS2005, SQL management studio, office 2007, etc. Recently I've been having this weird problem where after I lock my pc, when I try to unlock it, the screen will be black for awhile after unlocking. I can ctl+alt+del and put my password in but then it just goes black. The amount of time on the black screen seems to be related to the amount of time I am away from my PC. If only away a few minutes, it'll take about a minute to get to the desktop. If away for an hour, could take up to 15 minutes. If I lock it and go home for the night, I have to restart my PC in the morning (I've let it sit for an hour after a night of being locked and nothing happened). It doesn't do it every time but definitely the majority of the time. One weird thing I've seen is that if I remote into my machine before trying to log back in it does not do it. I uninstalled all software back to the point when I remember it started happening and it still does it. I was using this PC for a few weeks without this problem happening at all. Anyone know what my next troubleshooting steps could be? My IT department tried to fix it by moving my old profile to another disk and having me log in, effectively recreating a profile from scratch but that didn't solve it. As I said above if this isn't the right forum for these types of questions please let me know. Thanks in advance!

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• MySQL Master - Master Broken

  - by Recc

  I've Inherited a Mysql master master system, I've noticed the second master (lets call it slave from now on as it's running on a 'slave' machine) stopped getting its db's updated. I saw that Master: Slave_IO_Running: Yes Slave_SQL_Running: Yes Slave: (with an error I truncated) Slave_IO_Running: Yes Slave_SQL_Running: No Last_Errno: 1062 Last_Error: Error 'Duplicate entry '3' for key 'PRIMARY'' on [...] I don't know what caused it to process considering we cant get duplicate there. What's important is to resume normal operations; Right now I've stop slave; on the Master and stop slave; on the Slave because I saw that if I change records on the Slave the changes Do Get Propagated to Master which is in active use. How do I: Force sync EVERYTHING from master to slave without affecting data on master? Then hopefully have slave pickup replication as usual? UPDATE OK I Tried deleting all tables on slave then it complained in that error section that the 'table' doesnt exist. So i made a no data dump of Master, and made sure I have only empty tables in Secondary (slave). I start slave; on slave BUT now it's complaining about bloody alter table statements for instance: Last_Errno: 1060 Last_Error: Error 'Duplicate column name [...] Query: 'ALTER TABLE [...] How to skip the fracking alter statements I just want to replicate the bloody data and be done with it, my tables have the lates changes already FFS and now its complaining about changes made after the replication seized weeks ago How do I reset the log or something? OUTSTANDING Why would this start happening? The "Secondary" is propagating to "Primary". "Primary" is not propagating to "Secondary". But any fixes I tried to do left it in the same state Yes-Yes Yes-No with same Last_Error. I think around that time the server was taken off the network, could that confuse MySQL in some way?

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• Windows 7 pc freezes for an indeterminate amount of time after unlocking

  - by pikes

  Not sure if this type of question is appropriate for this forum, but I've tried everything I can think of to solve this problem aside from format/reinstall. I recently got a new work PC (Dell optiplex 755) with windows 7 professional x64. Standard developer software installed for .net development: VS2008, VS2005, SQL management studio, office 2007, etc. Recently I've been having this weird problem where after I lock my pc, when I try to unlock it, the screen will be black for awhile after unlocking. I can ctl+alt+del and put my password in but then it just goes black. The amount of time on the black screen seems to be related to the amount of time I am away from my PC. If only away a few minutes, it'll take about a minute to get to the desktop. If away for an hour, could take up to 15 minutes. If I lock it and go home for the night, I have to restart my PC in the morning (I've let it sit for an hour after a night of being locked and nothing happened). It doesn't do it every time but definitely the majority of the time. One weird thing I've seen is that if I remote into my machine before trying to log back in it does not do it. I uninstalled all software back to the point when I remember it started happening and it still does it. I was using this PC for a few weeks without this problem happening at all. Anyone know what my next troubleshooting steps could be? My IT department tried to fix it by moving my old profile to another disk and having me log in, effectively recreating a profile from scratch but that didn't solve it. As I said above if this isn't the right forum for these types of questions please let me know. Thanks in advance!

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• Homebrew large data cluster access for 2 user levels?

  - by Yegor

  The title probably makes little sense, so here is an example. I have a file hosting site, that serves a large amount of semi-randomly accessed files. The setup is as follows: High horsepower front-end +DB server that also does encoding for files that need encoding Fresh file server, which stores newly uploaded content, thats probably (and usually) rapidly accessible, which has 500GB of raided SSD storage, that can push over 3GBit of traffic. 3 cheap node servers, containing 2 x 750GB SATA drives in raid1, where files older than 2 weeks are archived, from the SSD server (mentioned above). Files on each server are accessed via subdomains (via modsec) in a straight forward fashion (server1.domain.com, server2.domain.com, etc) Where I have the problem is this. I introduced a "premium" service where people pay a small fee every month, and get ad-free, quick accesses to stuff on the site. Once they are logged in, they access same files via premium.server1.domain.com via a different modsec script, with a different pass phrase. That all works fine and dandy.... except the cheap node servers are all IO bound, so accessing the files on them via a different, unsaturated network makes no difference, since it cannot read off the drive fast enough. What would be a good way to make files on the site be accessible via 2 different network routes, 1 of which will be saturated (the "free network") while all other files are on an un-saturated "premium" network?

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• MSSQL error: consistency-based I/O error - can it be caused by an MSSQL or OS problem?

  - by Philipp Keller

  This is what I saw in the windows error log: SQL Server detected a logical consistency-based I/O error: incorrect checksum (expected: 0x19fedd20; actual: 0x19fed5e3). It occurred during a read of page (1:1764) in database ID 6 at offset 0x00000000dc8000 in file 'D:\mssql\local_repository_pbdiffimport.mdf'. Additional messages in the SQL Server error log or system event log may provide more detail. This is a severe error condition that threatens database integrity and must be corrected immediately. Complete a full database consistency check (DBCC CHECKDB). This error can be caused by many factors; for more information, see SQL Server Books Online. I ran dbcc checkdb which told me I should restore with option REPAIR_ALLOW_DATA_LOSS, so I eventually ran DBCC CHECKDB (my_db_name, REPAIR_ALLOW_DATA_LOSS) WITH NO_INFOMSGS But that resulted in about 2'000 rows being lost. I restored a backup but now I'm afraid this will happen again since we already had a consistency problem in the same database about 2 weeks ago but then it happened in an index (recreated indexes solved the problem). We have investigated the discs - RAID5 looks good, no errors, and also none of the disc-check-utilities have revealed any hardware problem. Can this be caused by OS (Windows Server 2003) or by MSSQL (MSSQL Server 2005)?

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• No clue for high load average on top

  - by Oz.

  We have several machines on Amazon (ec2) of the type c1.xlarge with 16 cpus, running the Amazon AMI. Details on the machine: 7 GB of memory 20 EC2 Compute Units (8 virtual cores with 2.5 EC2 Compute Units each) 1690 GB of instance storage 64-bit platform I/O Performance: High API name: c1.xlarge One out of the several machines is showing a high load average, since we have run the last yum upgrade a couple of weeks a go. We did not yet update the other machines, and everything looks normal on them. The strange thing is that the top command not showing any hint for the cause of the load. CPUs are 4.8%us, 1.1%sy, 0.0%ni, 94.1%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st(see below). Mem is about 1.5GB free. Any idea what could it be, or where else can we check? Many thanks for the help. # # top # top - 07:57:42 up 4:18, 1 user, load average: 1.36, 1.45, 1.47 Tasks: 131 total, 1 running, 130 sleeping, 0 stopped, 0 zombie Cpu(s): 4.8%us, 1.1%sy, 0.0%ni, 94.1%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st Mem: 7120092k total, 5644920k used, 1475172k free, 532888k buffers Swap: 0k total, 0k used, 0k free, 3463936k cached PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND 1557 mysql 20 0 1829m 374m 6448 S 14.3 5.4 11:15.09 mysqld 6655 apache 20 0 416m 49m 3744 S 9.3 0.7 0:04.85 httpd 27683 apache 20 0 421m 54m 3708 S 9.0 0.8 0:00.99 httpd 6682 apache 20 0 424m 57m 3788 S 8.3 0.8 0:03.81 httpd 16816 apache 20 0 419m 51m 3760 S 4.3 0.7 0:04.09 httpd 22182 apache 20 0 417m 50m 3756 S 1.7 0.7 0:06.34 httpd 219 root 20 0 0 0 0 S 0.3 0.0 0:00.34 kworker/7:1 699 root 20 0 0 0 0 S 0.3 0.0 0:00.40 kworker/3:1 1 root 20 0 19376 1508 1212 S 0.0 0.0 0:00.29 init 2 root 20 0 0 0 0 S 0.0 0.0 0:00.00 kthreadd 3 root 20 0 0 0 0 S 0.0 0.0 0:00.71 ksoftirqd/0

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• Wildcard DNS entry to match lang subdomain

  - by Adam Benayoun

  Hey, We have a website www.example.com pointing to x.x.x.1 and a system with multiples minisites all having subdomains.examples.com pointing to x.x.x.2 Basically what we have in place is a wildcard DNS entry who could basically match any possible subdomain, once reaching x.x.x.2, the apache vhost would intercept and basically redirect it to a php script who in turn would know what minisites to serve. On www.example.com however, we server contents which are translates in several languages, until few weeks ago you could switch languages by clicking on a flag and you'd be served with the translated content. The only problem is that the URL wouldn't change and SEO wise this isn't the best solution. Now I cannot change the way subdomain are handled (being redirected to x.x.x.2) since we have hundreds, if not thousands of minisites live. I have to come up with a solution to have language.example.com redirecting to x.x.x.1 and then a rewrite rule who would basically rewrite the fake subdomain into a URL in order to pass the parameter of the language to example.com On solution is to list all possible language as DNS entries right before the wildcard DNS entry. The other solution which I am almost sure is not feasible is to have some kind of regex in a DNS entry matching all subdomain with 2 letters ( en|es|fr|cn|cl etc... ) Any ideas?

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• Website Use Monitoring for 3 People

  - by linkedlinked

  I work in an IT startup with 2 partners, and I'm the programmer/IT guy -- in other words, the work horse. To make a long story short, I'm doing most of the work right now, while they spend all day on Facebook. That's OK, because they're paying my salary, but if the project fails, I'm sure they'll blame me for it (I'm doing my best to make sure that doesn't happen!), and I want some sort of recourse. I already have an app that blocks time-wasters on my local PC, and keeps logs of when the app is enabled (so I can say "I had Facebook blocked from 9am-5pm today.") Is there any way I can get a brief summary of the most heavily visited sites, split up by client PC? At the end of the month, I want to be able to say "You both load Facebook, on average, every 10 minutes. You spend hours a day on Youtube, and haven't opened up our bugtracker in weeks" and maybe have a nifty chart or graph to match it. We have a crappy D-Link router, and no IT budget. They are both on Windows Vista, I run Ubuntu Linux. I don't want to install any monitoring software on their PC, but I'm totally fine with, say, routing all the network traffic through my machine. I guess I can think of lots of ways to accomplish this (telnet into JSSH and list open tabs? log all the DNS requests, per-domain? even thinking of setting up a webcam on my desk and just keeping 5-minute snapshots...), I just don't really know where to start. Any advice is appreciated, thanks!

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• BSOD: PFN_LIST_CORRUPT and IRQ_NOT_LESS_OR_EQUAL

  - by David Lively

  I built a desktop about a year ago that has, until a few weeks ago, been running without a hitch using Windows 7 Ultimate. Recently, the PC started occasionally rebooting with a blue screen indicating a "PFN_LIST_CORRUPT" error. Also, I've seen at least once the error IRQ_NOT_LESS_OR_EQUAL. I seem to remember temporarily connecting an internal DVD burner about the same time this happened. I burned a DVD for another machine and promptly removed the drive. Yesterday, I reformatted the drive and installed Win7 Ultimate x64. During the first install, the PFN_LIST_CORRUPT bluescreen reared its ugly head again. A second install attempt completed with no errors. The fact that this error happened during a clean install leads me to believe that this is not a driver or OS issue. I also ran the memory diagnostic from the Win7 32-bit install DVD. It completed both passes with no errors. Periodically, the screen will flicker, as if explorer or the video are resetting. In the event log, I see a series of 8 or so errors indicating that some services unexpectedly stopped, and were apparently reset. These include an HID service and some others (I don't have a list in front of me). The PC is a Phenom X2 3 Ghz with a 500GB Seagate drive, 4GB of Corsair XMS2 cm2x2048-6400c5c. Anyone know what would suddenly cause a couple of sticks of RAM to go bad?

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• How can I allow the Xbox 360 to browse movies on a network drive?

  - by Roger

  I've always been able to stream movies stored on my Windows 7 computer's local hard drive to the Xbox 360 with no problems. A few weeks ago, though, I got a Seagate Dockstar NAS device and moved my movies to it. Ever since then, I can't seem them in the Xbox. I've tried several different things. When I try to add the mapped drive to the Media Player library, it says that it can't share the files. (I don't have any security on the NAS drive). I've tried creating a symlink to a local drive, but that doesn't help. Neither does adding the UNC path directly. The Dockstar seems to have its own Xbox share capability, but it doesn't respect my folder structure - it brings over every video file on the drive in a single list, including several hundred home videos that aren't playable on the Xbox. Is there any way to use Media Player (or the Zune software) to share files stored on a NAS drive? Barring this, is there a lightweight, free server that will allow me to share these files while maintaining my folder structure?

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• DRBD Replication failure

  - by user62513

  A couple of weeks ago I setup a 2 nodes CRM system with one of the resources managed being MySQL over DRBD. Today for maintenance reasons I restarted both nodes but now they can't connect to each other anymore. DRBD fell out of sync and I followed this guide to get it back connected but it's only able to run successfully on one node. But this strange thing happens: If I crm node standby both nodes and I try: crm node online node0 before crm node online node1, all the CRM resources start successfully but the DRBD partitions are still running in StandAlone state. crm node online node1 beofre crm node online node0, the DRBD resource fails to start, thus causing mysql not to start. If I standby both resources and call crm node online node0 then it times out and prints this error: Running crm node online node0 produces this output after timing out Error setting standby=off (section=nodes, set=<null>): Remote node did not respond Error performing operation: Remote node did not respond Is there anything I'm doing wrong here? An alternative will be just do MySQL replication but I'm not sure how to promote a slave to master when the master database is not available.

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• Ubuntu NBR karmic boot freezes at fsck from util-linux-ng 2.16

  - by Bluebill

  I have a netbook (emachine e250 - equivalent to an acer aspire one) and I have Ubunutu NBR 9.10 installed on it. Every other cold boot freezes at the following error message: fsck from util-linux-ng 2.16 There is no disk activity, no activity what so ever. I have left the machine sit for over an hour and nothing. It takes a couple of hard resets to be able to boot properly. Once it boots everything works great (wireless, suspend/resume, etc.)! I have spent the last couple of weeks researching the problem and the only thing that seems to work is setting nolapic in the boot string in grub - it boots every time. Unfortunately, nolapic disables the second core and causes problems with suspend resume. At first I thought it was an fsck problem with the first partition on the hard disk as it is a hidden ntfs partition containing the windows xp recover information. So in /etc/fstab I set the partition so that it would be ignored by fsck. This didn't seem to do anything. I have these partitions: /dev/sda1 - an ntfs recovery partition /dev/sda2 - /boot /dev/sda3 - swap /dev/sda5 - / /dev/sda6 - /home I am running kernel version 2.6.31-19-generic and have all the patches (as indicated by update manager). I also have no splash screen so I can see the boot progress. I have only been using NBR since January, I have been using Ubuntu on my desktop since last June (2009-06). What logs should I be looking at? Is there a log for failed boots?

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• Is there a way to exclude a specific drive vdi from "snapshots" in VirtualBox?

  - by Graza

  ...or is there another space-efficient way of dealing with the page/swap file of the Guest O/S? I've realised that its quite possible/likely that one of the things which "bloats" the snapshot/diff vdi's when a snapshot is taken is the guest operating system's pagefile. For example, say I have a 2Gb swap-file in a Windows guest OS, and over the course of a few weeks the usage of the swap file has gone over 1Gb a couple of times. When I next create a snapshot, it seems likely that I'd be almost guaranteed around 1Gb of space taken up in the new differencing disk just because of changes in the swap file. Obviously (provided I never did "live" snapshots on running or paused machines, and only ever did them when the machine was shut down), I would not need any of the information in the swap file to be saved. So this would simply be a waste of 1Gb. I'm wondering if there's a way to attach a vdi to a VM and flag it as "exclude from snapshots" - which would mean I could put the swap file on a different vdi which would never be included in a snapshot. Or if anyone has any other suggestions. Or an explanation about why it might not be an issue. I could obviously delete and recreate a swap drive vdi every time I did a snapshot to achieve the same effect, but this is a little more effort than simply clicking "create snapshot"....

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• SSL timeout on some sites, across all browsers, on Mac OS X Snow Leopard

  - by dansays

  For the past several weeks, I've been receiving "Error 7 (net::ERR_TIMED_OUT): The operation timed out" when I attempt to connect to either Twitter or Paypal via SSL. I get this specific error in Google Chrome, but the same problem occurs in both Safari and Firefox. Other sites work fine, and other computers on my network can access these two sites. I have no firewall settings that would prevent me from accessing these sites over port 443. I notice that both Twitter and Paypal both have "Verisign Class 3 Extended Validation SSL CA" certificates. It is unclear whether this is related to the problem. In an effort to troubleshoot, I attempted to open the test sites referenced on Verisign's root certificate support page, which worked fine. Just to be sure, I downloaded and installed the root package file and installed all included Verisign certificates. No joy. I feel like I've hit a dead end. Any ideas? Update the first: I also cannot connect to FedEx.com, who also has a Verisign Class 3 Extended Validation cert. Update the second: Aaaaaaand it fixed itself. I did nothing. Or, I did something that worked, but in a delayed fashion. Frustrating, but a win is a win. I'll take it.

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• Why does my DSL modem now need a reboot each time for my laptop to connect?

  - by msorens

  I have a rather peculiar home networking issue. For sometime my home network was purring along fine. I could turn on either of my laptops and they would quickly find and connect to my DSL modem (and thence the internet). Several days ago I unplugged my DSL modem for the first time in months. Upon turning it back on and waiting for the boot to finish, the lights on the panel indicated the DSL modem was fully operational, just as before. But that's not what happened. Not at all. Now when I turn on my Win7 laptop, the network icon in my system tray shows a small starburst; hovering over it the tooltip states "Not connected; connections are available". Clicking it lists several nearby networks including my own network showing a strong signal. If I click to connect, it attempts a connection but then I get a dialog stating "Windows was unable to connect to MyNet.". Turning off wireless on my laptop and turning it back on yields no difference. Running the network troubleshooter (which includes doing a repair on the network connection) yields no difference. The only remedy is to reboot the DSL modem (i.e. unplug it, wait a few seconds, then plug it back in). As soon as it goes online my laptop finds it and connects properly. To add one more twist to the story, this happened to me once before, several months ago. After a couple weeks, the situation resolved itself(!). Everything started working properly again, due to nothing I did. Final note: this problem only affects the wireless connection to the DSL modem. My desktop computer, connected via hardline to the DSL modem, connects fine when I turn it on. Any thoughts on why this is happening or how to fix it?

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• Why is Apache htdigest authentication failing in IE10 on Windows 8?

  - by Kevin Fodness

  One of our developers reported that for the past week or two, the htdigest authentication that we have set up on our test sites in Apache is not working in IE10 on Windows 8. It's fine on IE10 on Windows 7, and it's fine on Chrome on Windows 8. The specific behavior is: Navigate to site with htdigest authentication enabled, username and password form pops up, enter correct username and password, and the username and password box pops up again. Potentially useful information: All patches applied on Windows 8 box No additional software on Windows 8 box other than Outlook 2013 and a browser test suite (Chrome, Firefox, Opera, Chrome Canary, Opera Next) Win8 running in a virtual machine on Xen Same behavior can be replicated on Win8/IE10 on Browserstack.com Server running Ubuntu 10.10 with Apache 2.2.16 This feels like a patch was applied to the Windows box that broke digest authentication for IE10 on Win8 (box configured for automatic updates). However, without knowing a specific date I can't necessarily nail this down. Has anyone else experienced this problem? EDIT: This problem only happens in the "Metro" interface, not when running IE10 in desktop mode. As of a few weeks ago, it worked fine even in the "Metro" interface.

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• Is my webserver being abused for banking fraud?

  - by koffie

  Since a few weeks i'm getting a lot of 403 errors from apache in my log files that seem to be related to a bank frauding scheme. The relevant log entries look like this (The ip 1.2.3.4 is one I made up, I did not modify the rest of each line) www.bradesco.com.br:80 / 1.2.3.4 - - [01/Dec/2012:07:20:32 +0100] "GET / HTTP/1.1" 403 427 "-" "Mozilla/5.0 (Windows NT 5.1) AppleWebKit/535.11 (KHTML, like Gecko) Chrome/17.0.963.56 Safari/535.11" www.bb.com.br:80 / 1.2.3.4 - - [01/Dec/2012:07:20:32 +0100] "GET / HTTP/1.1" 403 370 "-" "Mozilla/5.0 (Windows NT 5.1) AppleWebKit/535.11 (KHTML, like Gecko) Chrome/17.0.963.56 Safari/535.11" www.santander.com.br:80 / 1.2.3.4 - - [01/Dec/2012:07:20:33 +0100] "GET / HTTP/1.1" 403 370 "-" "Mozilla/5.0 (Windows NT 5.1) AppleWebKit/535.11 (KHTML, like Gecko) Chrome/17.0.963.56 Safari/535.11" www.banese.com.br:80 / 1.2.3.4 - - [01/Dec/2012:07:20:33 +0100] "GET / HTTP/1.1" 403 370 "-" "Mozilla/5.0 (Windows NT 5.1) AppleWebKit/535.11 (KHTML, like Gecko) Chrome/17.0.963.56 Safari/535.11" the logformat I use is: LogFormat "%V:%p %U %h %l %u %t \"%r\" %>s %O \"%{Referer}i\" \"%{User-Agent}i\"" The strange thing is that all these domains are domains of banks and 3 out of the 4 domains are also in the list of the bank frauding scheme described on: http://www.abuse.ch/?p=2925 I would really like to know if my server is being abused for bank frauding or not. I suspect not, because it's giving 403 to all requests. But any extra checks that I can do to ensure that my server is not being abused are welcome. I'm also curious on how the "bad guys" expected my server to behave. I.e. are they just expecting my server to act as a proxy to hide the ip of the fake site, or are they expecting that my server will actually serve the fake banking website? Is the ip 1.2.3.4 more likely to be the ip of a victim or the ip of a bad guy. I suspect a bad guy, because it's quite unlikely that a real person would visit 4 bank sites in a second. If it's from a bad guy I'm very curious at what he is trying to do.

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• Wireless card on HP laptop not working

  - by D. Strout

  I just bought an HP Envy m6-1125dx online from Best Buy. When I got it home and started it up, the wireless card did not work well - at all. I could connect, but any real usage would cause the connection to start dropping every 30 seconds or so, and it would be really slow. Taking another look at the reviews on the Best Buy site, it seems only a few others had this problem, so I took it to my local Best Buy and exchanged it for another unit. Got it home again and the card had the same issues. Which leads to my dilemma. First: does this model have several different cards that it could come with? Mine is a Ralink RT5390R (on both units I received). If it does, then I can keep exchanging until I get a unit with a different card. I wouldn't ask this, except it seems weird that only a few people mentioned this issue, so I thought that might be one possibility. I looked in to replacing the card with a different one myself, but it seems that HP blocks certain wireless cards. However, some people reported success in replacing the card, and this site said it was only an issue on "older HP computer[s]". Can anyone confirm this? Finally, if that fails/will not work, does anyone know what I can get through Best Buy? I am concerned that they will not put any different card than the Ralink, and after two of those, I don't want that. Can I ask Best Buy support to use a different card? Can they even get another card from HP? I guess the base question is: should I attempt to replace the card myself (two days via Amazon to get a new card), should I try to get the laptop repaired through Best Buy (two - four weeks), should I go for a different model laptop from Best Buy, or should I try a different unit of the same model (three's the charm?).

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• FreeBSD's ng_nat stopping pass the packets periodically

  - by Korjavin Ivan

  I have FreeBSD router: #uname 9.1-STABLE FreeBSD 9.1-STABLE #0: Fri Jan 18 16:20:47 YEKT 2013 It's a powerful computer with a lot of memory #top -S last pid: 45076; load averages: 1.54, 1.46, 1.29 up 0+21:13:28 19:23:46 84 processes: 2 running, 81 sleeping, 1 waiting CPU: 3.1% user, 0.0% nice, 32.1% system, 5.3% interrupt, 59.5% idle Mem: 390M Active, 1441M Inact, 785M Wired, 799M Buf, 5008M Free Swap: 8192M Total, 8192M Free PID USERNAME THR PRI NICE SIZE RES STATE C TIME WCPU COMMAND 11 root 4 155 ki31 0K 64K RUN 3 71.4H 254.83% idle 13 root 4 -16 - 0K 64K sleep 0 101:52 103.03% ng_queue 0 root 14 -92 0 0K 224K - 2 229:44 16.55% kernel 12 root 17 -84 - 0K 272K WAIT 0 213:32 15.67% intr 40228 root 1 22 0 51060K 25084K select 0 20:27 1.66% snmpd 15052 root 1 52 0 104M 22204K select 2 4:36 0.98% mpd5 19 root 1 16 - 0K 16K syncer 1 0:48 0.20% syncer Its tasks are: NAT via ng_nat and PPPoE server via mpd5. Traffic through - about 300Mbit/s, about 40kpps at peak. Pppoe sessions created - 350 max. ng_nat is configured by by the script: /usr/sbin/ngctl -f- <<-EOF mkpeer ipfw: nat %s out name ipfw:%s %s connect ipfw: %s: %s in msg %s: setaliasaddr 1.1.%s There are 20 such ng_nat nodes, with about 150 clients. Sometimes, the traffic via nat stops. When this happens vmstat reports a lot of FAIL counts vmstat -z | grep -i netgraph ITEM SIZE LIMIT USED FREE REQ FAIL SLEEP NetGraph items: 72, 10266, 1, 376,39178965, 0, 0 NetGraph data items: 72, 10266, 9, 10257,2327948820,2131611,4033 I was tried increase net.graph.maxdata=10240 net.graph.maxalloc=10240 but this doesn't work. It's a new problem (1-2 week). The configuration had been working well for about 5 months and no configuration changes were made leading up to the problems starting. In the last few weeks we have slightly increased traffic (from 270 to 300 mbits) and little more pppoe sessions (300-350). Help me please, how to find and solve my problem?

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• Control copy/paste doesn't work

  - by Guest

  I have a laptop HP PAVILION dv6-3126er with Windows 7 Home Edition installed and neither control copy nor control paste doesn't work (i've tried: ctrl+c, ctrl+v, shift+c, shift+v, ctrl + insert, shift + insert). I've tried to run a system check through cmd with sfc /scannow, it repaired something, i restarted but it didn't solve the problem. I've also tried many key combinations (like alt+ctrl+fn), but nothing works in any program. In Microsoft Word 2003 in the menu i have no key combination for copy/paste near them (in my previous comp they've been there - in brackets). Shift+Delete works by the way. I brought this laptop a few weeks ago, and i discovered this problem in the first days. I have no viruses because i have had no time to even connect him to internet. Anyways, i checked it for viruses - it is clean. I don't want to do system restore, because i see no reason to do it for a pretty clean system. I hope it is not a problem with the laptop itself. Maybe there is another reason? Maybe i need to do some more system checks? Any suggestions? Thanks in advance.

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• Diagnosing Logon Audit Failure event log entries

  - by Scott Mitchell

  I help a client manage a website that is run on a dedicated web server at a hosting company. Recently, we noticed that over the last two weeks there have been tens of thousands of Audit Failure entries in the Security Event Log with Task Category of Logon - these have been coming in about every two seconds, but interesting stopped altogether as of two days ago. In general, the event description looks like the following: An account failed to log on. Subject: Security ID: SYSTEM Account Name: ...The Hosting Account... Account Domain: ...The Domain... Logon ID: 0x3e7 Logon Type: 10 Account For Which Logon Failed: Security ID: NULL SID Account Name: david Account Domain: ...The Domain... Failure Information: Failure Reason: Unknown user name or bad password. Status: 0xc000006d Sub Status: 0xc0000064 Process Information: Caller Process ID: 0x154c Caller Process Name: C:\Windows\System32\winlogon.exe Network Information: Workstation Name: ...The Domain... Source Network Address: 173.231.24.18 Source Port: 1605 The value in the Account Name field differs. Above you see "david" but there are ones with "john", "console", "sys", and even ones like "support83423" and whatnot. The Logon Type field indicates that the logon attempt was a remote interactive attempt via Terminal Services or Remote Desktop. My presumption is that these are some brute force attacks attempting to guess username/password combinations in order to log into our dedicated server. Are these presumptions correct? Are these types of attacks pretty common? Is there a way to help stop these types of attacks? We need to be able to access the desktop via Remote Desktop so simply turning off that service is not feasible. Thanks

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• SQL Server becomes slow after restart

  - by Tobi DM

  I already posted this one on stackoverflow but someone gave me the hint to that I might have more luck on serverfault. We use SQL Server 2005 on an Windwos Server 2008. Ther Server has 48 GB RAM. SQL Server is configured to use 40 GB RAM. There is only one database hosted (About 70 GB). The only app beside SQL Server is our App-Server which connects the clients to the database. Now we encounter the following problem: After a restart of the server our the performance is great. The server grabs the 40 GB RAM wich it is allowed to and then runs fast as hell. But after about 4 weeks the system becomes slower and slower. The execution of statements (seen in the profiler) is raising slowly. But I cannot see that there is something going wrong on the server. CPU usage is at about 20% I/O also seems to be no Problem The process monitor does also not show that there are strange apps or something like that. Eventlog does also have no interessting messages No open transactions or blockings to see We do not use cursors in our app We tried already the following things without effect: Droped the cache by using the statements DBCC FreeProcCache DBCC FREESYSTEMCACHE('ALL') DBCC DropCleanbuffers Restarted the Appserver we are using. Restart the sql server service But nothing did help exept restarting the whole server. Any ideas?

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• Differential backup missing moved folders (flawed archive attribute logic)

  - by Max

  Recently I've discovered that my backup system it flawed: there are situation where various files/folders are missed. I do my backup from local disk to a network NAS. I use Cobian backup, and I have setup the backup software to create one full backup every week, and one differential backup every day. Now, the backup software (to my knowledge any backup software work this way) decide the files that go in the differential backup by looking at the file archive attribute. If the attribute is set, then the file go in to the backup. Now, when you move a file to a new location, on Windows systems, the archive attribute get set and the file is included in the backup, and that's fine... but when you move an entire folder, no archive attribute is set, nor on the folder, nor in any files inside the folder, so the moved folder isn't included in the differential backup! So, if you have a full backup plus a differential backup, and you moved folders around... then it's impossible to reconstruct the original files/folders structure starting from the full+differential backup, because the backup software didn't include the moved folders in the differential backup. So my differential backup are useless... Why does windows set the archive attribute when moving a file, but not when moving a folder? How can I deal with this issue? Is there a way to create a differential backup that works as it's supposed to do? Doing full backup every day is not practical, because the changed data is about 0.1% at day (by using a differential backup I can keep 4 weeks of files history without using too much disk space.)

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• Revover original email from Sendmail log

  - by Xavi Colomer

  I have a website the contact form has been failing silently for two weeks (Wordpress + Contact form 7). Apparently updating to Contact Form 7 made the assigned email to fail [email protected], I also tested with [email protected] and it also failed until I tried with gmail and it finally worked. Apparently @telefonica.net and @me.com domains are not working with this version of the plugin, but I have to investigate the cause. I found the logs of the lost emails, but I would like to know If I can recover the sender or the content of the original messages. May 24 23:41:11 localhost sendmail[27653]: s4P3fBc3027653: from=www-data, size=3250, class=0, nrcpts=1, msgid=<[email protected]_web.com>, relay=www-data@localhost May 24 23:41:11 localhost sm-mta[27655]: s4P3fBdA027655: from=<[email protected]>, size=3359, class=0, nrcpts=1, msgid=<[email protected]_web.com>, proto=ESMTP, daemon=MTA-v4, relay=localhost.localdomain [127.0.0.1] May 24 23:41:11 localhost sendmail[27653]: s4P3fBc3027653: [email protected], ctladdr=www-data (33/33), delay=00:00:00, xdelay=00:00:00, mailer=relay, pri=33250, relay=[127.0.0.1] [127.0.0.1], dsn=2.0.0, stat=Sent (s4P3fBdA027655 Message accepted for delivery) May 24 23:41:12 localhost sm-mta[27657]: s4P3fBdA027655: to=<[email protected]>, ctladdr=<[email protected]> (33/33), delay=00:00:01, xdelay=00:00:01, mailer=esmtp, pri=123359, relay=tnetmx.telefonica.net. [86.109.99.69], dsn=5.0.0, stat=Service unavailable May 24 23:41:12 localhost sm-mta[27657]: s4P3fBdA027655: s4P3fCdA027657: DSN: Service unavailable May 24 23:41:12 localhost sm-mta[27657]: s4P3fCdA027657: to=<[email protected]>, delay=00:00:00, xdelay=00:00:00, mailer=local, pri=30000, dsn=2.0.0, stat=Sent Thanks

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• Is TortoiseSVN really this buggy?

  - by John Isaacks

  I have been using tortoise svn for a couple weeks now. I get errors very often. Almost everything I do creates an error. this is with repositories on the internet, locally on my machine or a machine on the network. So I started to keep track. Some examples are below. 12/31/2010 Can't move 'C:\Users\jisaacks\Desktop\my branch test.svn\tmp\entries' to 'C:\Users\jisaacks\Desktop\my branch test.svn\entries': The file or directory is corrupted and unreadable. 01/04/2011 Commit failed (details follow): Server sent unexpected return value (405 Method Not Allowed) in response to MKCOL request for '/svn/kranichs-svn/!svn/wrk/b316f15e-0869-4644-9c53-87aa0103506b/branches' 01/06/2011 Can't move 'C:\Users\jisaacks\Desktop\DVD Catalog\vendors.svn\tmp\entries' to 'C:\Users\jisaacks\Desktop\DVD Catalog\vendors.svn\entries': The file or directory is corrupted and unreadable. 01/06/2011 Can't move 'C:\Users\jisaacks\Desktop\DVD Catalog\cake\tests\test_app\views\layouts.svn\tmp\entries' to 'C:\Users\jisaacks\Desktop\DVD Catalog\cake\tests\test_app\views\layouts.svn\entries': The file or directory is corrupted and unreadable. 01/06/2011 Commit failed (details follow): attempt to write a readonly database attempt to write a readonly database That last one about the read only database happens every time I commit. Say if I am working on the head revision (7) in a working copy. I make a change and commit it. It gives me this error. But if I look at the log it tells me that there is now a revision 8 (the commit I just made) but I am still on revision 7. So I need to run update to be on the current revision that I just commited. I hope I explained that clearly. Anyways with all these errors I wonder.. Is TSVN just this unstable, does everyone have these issues. Or is it just me? If just me, what could I be doing wrong?

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