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• Massive SQL issue shutting down our site.

  - by Pselus

  Our website has started timing out like crazy today. All of our clients are finding it unusable. The only error we can seem to trace down as a potential problem is this: SQLAllocHandle on SQL_HANDLE_DBC failed Error ASP Description Error Category Microsoft OLE DB Provider for ODBC Drivers I have no idea what it means or how to go about fixing it. Anyone ever encountered this error before? Currently, you can log in to our site, but then once you go to do anything else, you find yourself logged out or nothing happens. We have a lot of Ajax going on so the "nothing happens" probably has to do with the Ajax pages not loading properly due to logouts and so nothing displays to the user. Like I said, I'm at a loss. Anyone have any advice on this error? EDIT I realize that this isn't necessarily a programming question, but we are a small startup company that just yesterday started talking about how we need to get a backup server running. Apparently we talked about it too late. We don't have a DBA, just 2 mid level programmers trying their hardest to keep our clients happy. So please, if you have any assistance give it but please don't close my question right now. EDIT 2 Turns out we had something on our server running called "ServerMask" that makes our IIS server look like Apache to the outside world. Shutting it down fixed our issue. Still no idea why it was messing up but it was the problem apparently. Thanks to everyone who tried to help.

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• legit emails in junkbox

  - by acidzombie24

  Hey this is actually a reverse question. My personal email ([email protected]) is winding up in many peoples junkbox and I have no idea why. What may the cause be? Is it because it has the word Entrepreneur (and programmer) in my sig? is it because my first name is unique(european like)? Its driving me crazy. I sent out dozens of business emails a month to people I just meet so its actually hurting me much more then others :( -edit- I also want to mention this is non spam. Typically I email people I meet and say hi or to follow up. I was requested by someone to send him an email so I can test something, so I did and he replied to me 10 days later telling me he found it in his junk, like many others have said to me. -edit- bortzmeyer suggested emailing [email protected] I did and here are the results SPF check: pass DomainKeys check: pass DKIM check: pass Sender-ID check: pass SpamAssassin check: ham ---------------------------------------------------------- SpamAssassin check details: ---------------------------------------------------------- SpamAssassin v3.2.5 (2008-06-10) Result: ham (-2.6 points, 5.0 required) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 SPF_PASS SPF: sender matches SPF record -2.6 BAYES_00 BODY: Bayesian spam probability is 0 to 1% [score: 0.0000] 0.0 HTML_MESSAGE BODY: HTML included in message

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• passing on command line options in bash

  - by bryan

  I have a question. I have a script, a kind of long script written in bash aprox. 370 lines. That has several functions and in those functions the user has to enter information which is then stored in files. ( This is suppose to represent a MySQL database, with the functions INSERT, UPDATE, SELECT, SELECT where x=y.) I created this myself in bash, now the only thing that rests me is that I need to be able to pass arguments on the command line to the script, that will do the same as the script does. I know that bash has positional parameters such as $1 $2 $3 $* $@ $0 ( refers to the name of the script) etc. I know how I can use these parameters in a simple if function. This is not enough for my script. I basicly need to do the same thing that the script does, but then from the command line. I have been struggling with this for a couple of days now and I cannot think of a way to get it to work. Maybe someone here can help me with this? If you want to have the script. That can be possible, but I don't think I can paste it in here... EDIT: Link to script, http://pastebin.com/Hd5VsDv2 Note, I am a beginner in bash scripting. EDIT: This is in reply to Answer 1. As I said I hope I can just replace the if [ "$1" = "one" ] ; then echo "found one" to if [ "$1" = "one" ] ; then echo SELECT where SELECT is the function I previously had in my script(above) http://pastebin.com/VFMkBL6g LINK to testing script

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• Passive FTP Server Port Configuration Troubles Win2003

  - by Chris

  Win2003 Ports 20 & 21 are open IIS6 - Direct Metabase Edit enabled Configured FTP service passive range to 5500-5550 5500-5550 added to windows firewall iisreset and double checked by restarting ftp service nothing has changed, when I connect and enter passive, it still hangs when ever I try to LIST or transfer files. Active is just as useless. Microsoft Windows [Version 6.1.7600] Copyright (c) 2009 Microsoft Corporation. All rights reserved. C:\Users\user>ftp ftp> open x.x.x.x Connected to x.x.x.x. 220-Microsoft FTP Service xxxxxxxxxxxxxxxxxx 220 xxxxxxxxxxxxxxxxxx User (x.x.x.x:(none)): user 331 Password required for user. Password: 230-YOUR ACTIVITY IS BEING RECORDED TO THE FULLEST EXTENT 230 User user logged in. ftp> QUOTE PASV 227 Entering Passive Mode (82,19,25,134,21,124) ftp> ls 200 PORT command successful. 150 Opening ASCII mode data connection for file list. and it hangs.. Now I can see from microsooft documentation that on newer windows releases, additional steps such as these are suggested, but they dont work on 2003... netsh advfirewall firewall add rule name=”FTP Service” action=allow service=ftpsvc protocol=TCP dir=in netsh advfirewall set global StatefulFTP disable is there anything I am missing, what is this StatefulFTP malarkey at the end EDIT I can connect and transfer binary files using WinSCP client - Therefore the problem must be with my ftp commands no? Can anyone see anything wrong with my windows ftp client example? why would it hang on ls, i tried QUOTE LIST as well, and that just hangs, and the windows ftp client doesnt work in active, it hangs if I try to go "binary" then put - This worked before I added 5500-5550 on the router. I have since added this range to the router but no difference to the windows ftp client.

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• cron doesn't execute any task, but writes into log as executed

  - by FractalizeR

  I have strange problem on one of my servers. Cron does not execute any task, but it writes to it's log, that task has been executed successfully. Like some simulation mode is activated... Apr 30 03:03:08 nd-10049 crond[13387]: (root) CMD (php /usr/local/frb/backup.php) Apr 30 03:05:01 nd-10049 crond[13397]: (root) CMD (php /home/support/public_html/cron/cron_hourly.php>/home/support/public_html/cron/hourly.log) Apr 30 03:09:01 nd-10049 crond[19108]: (root) CMD (/etc/webmin/cron/tempdelete.pl ) Apr 30 03:10:01 nd-10049 crond[19467]: (root) CMD (php /home/support/public_html/cron/cron_hourly.php>/home/support/public_html/cron/hourly.log) Apr 30 03:14:44 nd-10049 crontab[21154]: (root) BEGIN EDIT (root) Apr 30 03:15:01 nd-10049 crond[21309]: (root) CMD (php /home/support/public_html/cron/cron_hourly.php>/home/support/public_html/cron/hourly.log) Apr 30 03:15:38 nd-10049 crontab[21154]: (root) REPLACE (root) Apr 30 03:15:38 nd-10049 crontab[21154]: (root) END EDIT (root) Apr 30 03:16:01 nd-10049 crond[14961]: (root) RELOAD (cron/root) Apr 30 03:20:02 nd-10049 crond[22620]: (root) CMD (php /home/support/public_html/cron/cron_hourly.php) There are no errors about cron in common log (messages). The OS is CentOS. What can I do to check what is the problem? What can the problem be?

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• Postfix does not work after setting server hostname from plesk

  - by Michael

  I have recently set my server hostname from localhost.localdomain to xx.mydomain.com from the plesk control panel. However after doing this change postfix has stopped working, I tried restarting and regenerating the config files but to no avail. I am not familiar with postfix but I believe there is a setting to be changed in main.cf. Here are the relevant errors I receive: postfix/postfix-script: starting the Postfix mail system postfix/master: daemon started -- version 2.8.4, configuration /etc/postfix postfix/cleanup: fatal: host/service localhost/12768 not found: Name or service not known postfix/pickup: warning: maildrop/E5559996219: error writing 4FA2C996217: queue file write error postfix/master: warning: process /usr/libexec/postfix/cleanup pid 15334 exit status 1 postfix/master: warning: /usr/libexec/postfix/cleanup: bad command startup -- throttling Any ideas? EDIT Setting it back to localhost.localdomain makes it work again. The only references to localhost/12768 I can find in main.cf are: smtpd_milters = inet:localhost:12768 non_smtpd_milters = inet:localhost:12768 Should something be changed here? These two lines stay the same when I change the hostname. EDIT If I comment out the two mail filter lines (the ones shown above) and restart, postfix works with the new hostname. However this is obviously not the ideal solution...

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• Chrome's new window disappear from desktop

  - by faulty

  I'm having this problem with Chrome on a Windows 7 x86 machine. I'm using Chrome for a locally hosted intranet web app. In the web app, there's frequent use of new window which popup, which works like a dialog box for the app. The problem started since yesterday. All the new windows doesn't appear on top and no where to be found on the desktop. But it does appear on the taskbar. Clicking the button on the taskbar doesn't bring up the window as well. I've also tried Alt+Space, then Move, it doesn't work. I only found 2 way to bring it up, Maximize or Show as tab. What could have caused this and how should I fix it? Thanks EDIT: I've configure to not group taskbar buttons. EDIT: I've just gone through the javascript of the button, it call window.open to display the popup. I can see the popup flicker and disappear. If I step through the code, the popup will display properly, sometime. Also, if I click the button twice, it will also display the popup, but at a much smaller size, less than 100x100

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• sudoer scheme for another web developer that retains my future control of a virtual server?

  - by Tchalvak

  Background: Virtual Private Server I have a virtual private server that I'm looking to host multiple websites on, and provide access to another web developer. I don't care about putting too many constraints on him, though I wouldn't mind isolating the site that he'll be developing from other sites on the server that I will develop. The problem: retain control Mainly what I want is to make sure that I retain control over the server in the future. I want to reserve the ability to create/promote/demote and other administrative functions that don't deal with web software. If I make him an admin, he can sudo su - and become root and remove root control from me, for example. I need him not to be able to: take away other admin permissions change the root password have control over other security/administrative functions I would like him to still be able to: install software (through apt-get) restart apache access mysql configure mysql/apache reboot edit web development configuration type files in /etc/ Other Standard Setups would be happily considered I've never really set up a good sudoers file, so simple example setups would be very useful, even if they're only somewhat similar to the settings that I'm hoping for above. Edit: I have not yet finalized permissions, standard, useful sudo setups are certainly an option, the lists above are more what I'm hoping I can do, I don't know that that setup can be done.

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• VIM with iA Writer type formatting?

  - by Ambidex

  I've been Googling for a while now. I would like to have iA Writer-like (or a bit like StackExchange) formatting in Vim. Since I love the way it formats my texts, but I'm constantly pressing "w" to skip words because my experience with Vim. I would love to be able to have the same smart formatting in Vim. I did found a nice Vim plugin for getting Vim to toggle to big and clean font: https://github.com/honza/writer.vim But this still does not enable me to use the formatting: # Header 1 ## Header 2 *underline* **strong** etc... Besides all this above, I would not mind to have Vim like shortcuts in my iA writer app if it would not be possible to implement iA formatting in Vim. Edit: After a while of even more searching, I found out this type of formatting is called Markdown. I am starting to think there isn't really a good way to directly edit a Markdown file in Vim, because Vim is not able to make things display like that? I would really like to be able to use the movement shortcuts in combination of the nice formatting of Markdown and how it is displayed in iA Writer.

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• Are there cloud network drives that let users lock files or mark them as "in use"?

  - by Brandon Craig Rhodes

  Having spent several hours reading about the features and limitations of services like DropBox and Jungle Disk and the hundreds of competitors they seem to have (as though everyone with an AWS account these days goes ahead and writes a file sharing application just for fun), I have yet to find one that would let a team of people at a small business collaborate without stepping all over each other's toes. At a small business there are often many small documents per project — estimates, contracts, project plans, budgets — and team members frequently have to open and edit them, with all sorts of problems happening if two people edit a file at once. Even if a sharing service is smart enough to keep both versions of the file created, most small-business software (like word processors, spreadsheets, estimating software, or billing systems) has no way to compare — much less to merge! — the changes in two rival versions of a file that two people edited at the same time without each other's knowledge. So, my question: are their cloud-based file sharing solutions that not only provide a virtual network drive that people can access, but that also let users lock files — even if it's not a real lock but just a flag or indicator — that could possibly prevent remote workers from both editing the same file at once? Having one person wait for another person to finish editing is a very, very small inconvenience compared to the hour or more than it can take to compare two estimates by hand until you find and resolve the rival changes. Given this fact, I am surprised that almost none of the popular file sharing solutions seem to recognize this problem and provide some solution! Does anyone know of a service that does?

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• Transferring 'Live' Documents to Another Computer

  - by waiwai933

  I was wondering if there was any OS/Application that has some support for transferring a document to another computer without having to save, transfer and then reopen. Basically, is there a way so that if I'm working on my desktop, I can click a button (or something similar) and then have the exact state of that computer/application transferred to another? For example, if I'm writing a document, is there a way to get it to computer B without saving it, putting the file on my flash drive, and having to reopen it? Edit: I just realized that this is possible through the wonderful phenomena known as cloud computing, but this is not the type of solution I'm looking for. Edit 2: I wanted to clarify: By 'save', I meant that I didn't want to have to save it to a special location, be that a (flash) drive or uploading to the web. Saving to the local hard drive is fine (and probably necessary, since technologies such as Bluetooth require the file to be saved somewhere). This is a bit inspired by a scene in Avatar, so I highly doubt that this actually exists... but if it does, I don't want to miss out.

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• Connecting a network printer via a Thecus N2100 - works in Vista, not in Windows 7

  - by Jon Skeet

  I have a Lexmark E250d printer attached to a Thecus N2100 NAS. On Windows Vista I've managed to configure this using an "Internet" printer port with the URL of http://thecus:631/printers/usb-printer. I can add a printer in a similar way in Windows 7, but it never manages to print the test page. If I go to "Configure Port" in Vista, it just has "Security Options" - on Windows 7 it's asking about Raw mode vs LPR mode etc. On Vista I'm using an E250d-specific driver from Lexmark; on Windows 7 there's a Microsoft E250d driver, or a Universal PCL XL driver from Lexmark... I wouldn't expect this different to be related to the problem, but I thought I'd mention it anyway. (Lexmark doesn't have a Windows 7 E250d-specific driver as far as I can see.) Any suggestions? I was thinking of upgrading my main laptop from Vista to Windows 7, but I'd really like to get this sorted first... EDIT: If I connect to http://thecus:631/printers/usb-printer via Chrome while capturing with Wireshark, I get this response: HTTP/1.1 200 OK Date: Wed, 06 Jan 2010 16:47:23 GMT Connection: Keep-Alive Keep-Alive: timeout=60 Content-Language: C Transfer-Encoding: chunked Content-Type: text/html;charset=iso-8859-1 0 No idea what that's meant to be doing... EDIT: On further consultation, this would appear to be the Internet Printing Protocol which is layered on HTTP. Printing a test page successfully from Vista posts to that URL. Will attempt the same on Windows 7...

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• Are there cloud network drives that let users lock files or mark them as "in use"?

  - by Brandon Craig Rhodes

  Having spent several hours reading about the features and limitations of services like DropBox and Jungle Disk and the hundreds of competitors they seem to have (as though everyone with an AWS account these days goes ahead and writes a file sharing application just for fun), I have yet to find one that would let a team of people at a small business collaborate without stepping all over each other's toes. At a small business there are often many small documents per project — estimates, contracts, project plans, budgets — and team members frequently have to open and edit them, with all sorts of problems happening if two people edit a file at once. Even if a sharing service is smart enough to keep both versions of the file created, most small-business software (like word processors, spreadsheets, estimating software, or billing systems) has no way to compare — much less to merge! — the changes in two rival versions of a file that two people edited at the same time without each other's knowledge. So, my question: are their cloud-based file sharing solutions that not only provide a virtual network drive that people can access, but that also let users lock files — even if it's not a real lock but just a flag or indicator — that could possibly prevent remote workers from both editing the same file at once? Having one person wait for another person to finish editing is a very, very small inconvenience compared to the hour or more than it can take to compare two estimates by hand until you find and resolve the rival changes. Given this fact, I am surprised that almost none of the popular file sharing solutions seem to recognize this problem and provide some solution! Does anyone know of a service that does?

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• Unable to remove Read-Only attribute from folder in Windows XP

  - by elcuco

  I have this directory which I cannot remove the read only attribute from. The computer is running XP SP2 (or SP3, not sure) and the directory sits in a NTFS file system. Looking into the web I found this: http://support.microsoft.com/kb/256614 which tells that if the directory is "customized" it's treated as a system folder and thus "read only". I don't think this is a scenario in my case, but anyway it's not helping, their recommendation is more or less: attr -r -s /d /s d:\data and this is not working for me. Any other ideas? More info: The directory is served to an HTTP server (wamp) and the directory is an SVN check out. What happens is that the web server cannot write files into the directory (imagechace from drupal is you are really interested). Edit 2: The original post claimed that the directory sits on a VFAT FS, however I booted Fedora 11 from livecd and the partition is marked as NTFS. Edit 3: I left the company which I worked on, on which this situation happened... so I cannot fully close this question. But things get even worse: I tested the "attr -r" answer I put, it did not work for me, and now the developer said that it worked for her. A nice WTF moment. Probably a reboot helped... Sorry for loosing details. If anyone has the same problem, and one of the answers helps him - please comment.

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• File in use when it's really not

  - by C-dizzle

  I am running Windows 7 Professional 32 bit on a Server 2008 network. I am getting a weird issue with an excel document where I open it up one morning, update it, save and close, the next morning I come in, open it up and it says "This file is in use and locked by csmith" which "csmith" is me! So I click on the cancel button, open it up again and it comes up fine. I can edit, save and close with no problem. But then have the same issue the next morning. Another weird thing is that we have a calendar shared in "Public Folders" under Outlook that seems to be having the same issue, which happens to be a calendar made in Excel. Exchange 2010 is installed on the server and the clients are using Exchange 2007. In the instance with the calendar, it will show conflicting edits have been made and you must keep one item or all items. And it shows an edit date of 4/24/2012 and 6/1/2012. But, there were NO edits done on 6/1, just tried opening it. This problem does not occur under my profile, but 2 others. These machines are ALSO running Windows 7 Professional 32 bit. We have a mix of Windows 7 and Windows XP machines on our network if that is any help. These issues did not start happening until we migrated from a server running Server 2003 and Exchange 2000, which the new server is running Server 2008 and Exchange 2010 as stated above. Is there something on the server side that is configured wrong?

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• Coffee spilled and went inside CPU...computer not starting

  - by Harpreet

  Today coffee got spilled over my table, and some of it (very less) reached the CPU placed under the table. I think little bit of it got inside the CPU through the front face of the CPU. As that happened the fan started running very fast and made noise. I tried to restart to see if it becomes fine, but the computer didn't start again. First it gave an error of "Alert! Air temperature sensor not detected" and didn't start. Next I tried again multiple times of starting the computer but then it gave some memory error. I was not able to start the computer. Incase there's a problem in hard disk or something related to memory, is there any way we can extract our work or data? I am scared if I am not able to extract my work in case some problem occurs like that. What options would I have? Help! EDIT: I have attached the photo here and you can see the area spilt in red circle. The hard drive electronics have been affected and internal speaker may also have been affected. Any advise on cleaning and if hard drive can work? EDIT 2: Are there any professional services offered to extract data from blemished hard disk, like this one, in case I am not able to run it personally?

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• MicroSD card isn't detected by computer, apparently usable only with phone

  - by paulcjoubert

  I have a 4GB MicroSD card that apparently only works (in the sense that the device detects and can read and write from and to the card) with my old Nokia XpressMusic 5800 phone. I have taken pictures and recorded voice notes that were saved on the card. These are accessible after the card has been removed, which tells me that the problem isn't with the card. The card could also not be locked to the phone as it would at least be detected by a computer and it would be able to write raw data to it with dd, such as /dev/zero. Also, the card is not the Nokia card that came with the phone and I have done nothing that would have caused it to be locked. (I could not find anything on Nokia's website that helps, but then again... my search was not THAT thorough.) The card works on no other device that I have tried so far. I have tried it in my Canon camera (through an adapter), but it refuses to even boot with the card inserted. My card reader (via USB cable and hub) is detected as /dev/sdx with or without the card inserted. When trying to access the card I get an "No medium found". dmesg does not report any change at all when inserting and removing the card. I would obviously like to use my card on other devices - the phone is quite old - and even a likely explanation would help. Thankyou in advance! EDIT 1: I can use the card by connecting the phone to my computer, but this is impractical and would not allow me to use the card in any other device. EDIT 2: The data on the card is not important to me at all.

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• The Server Fault Wiki of recommended practices [migrated]

  - by Avery Payne

  So I've noticed that there are several recommendations on basic practices on Server Fault, but there doesn't seem to be a cohesive view as to how those recommendations would all fit together. So I thought I would lump these together as a kind of mental exercise to see what the "ServerFault Community IT Department" would look like if it were implemented. This would give a few things: it would make a reasonable wiki (in the true wiki spirit of many contributions), it would provide several links to well-vetted practices, and it would be kind of fun to see what the amalgamation would look like. And who knows, it may even point out some interesting issues between different forms of "best practices", although I would be stunned if there was a conflict hidden in there someplace... Add your favorites from Server Fault as answers, and I'll re-edit this section with the results. Here's a few catagories to collect different ideas together. Hardware Configuration(s) Server room configuration. Server room temperature Firmware Updates and Scheduling Storage Configuration(s) Selecting a NAS box Linux: Dealing with /tmp Linux: Install apps in /var or /opt? Network Configuration(s) checking DNS health and compliance Security Practice(s) Password (General) Best Practices Password sharing methods Windows Update Updating Windows Servers that are hosts for VMs Network Service(s) User Service(s) User Naming & Deletion Upgrade Process(es) Disaster Recovery Checking Backups Documenting an outage for a post-mortem review Last Edit: 2010-02-17

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• Why is my filesystem being mounted read-only in linux?

  - by Tim

  I am trying to set up a small linux system based on Gentoo on a VirtualBox machine, as a step towards deploying the same system onto a low-spec Single Board Computer. For some reason, my filesystem is being mounted read-only. In my /etc/fstab, I have: /dev/sda1 / ext3 defaults 0 0 none /proc proc defaults 0 0 none /sys sysfs defaults 0 0 none /dev/shm tmpfs defaults 0 0 However, once booted /proc/mounts shows rootfs / rootfs rw 0 0 /dev/root / ext3 ro,relatime,errors=continue,barrier=0,data=writeback 0 0 proc /proc proc rw,nosuid,nodev,noexec,relatime 0 0 sysfs /sys sysfs rw,nosuid,nodev,noexec,relatime 0 0 udev /dev tmpfs rw,nosuid,relatime,size=10240k,mode=755 0 0 devpts /dev/pts devpts rw,nosuid,noexec,relatime,gid=5,mode=620 0 0 none /dev/shm tmpfs rw,relatime 0 0 usbfs /proc/bus/usb usbfs rw,nosuid,noexec,relatime,devgid=85,devmode=664 0 0 binfmt_misc /proc/sys/fs/binfmt_misc binfmt_misc rw,nosuid,nodev,noexec,relatime 0 0 (the above may contain errors: there's no practical way to copy and paste) The partition at /dev/hda1 is clearly being mounted OK, since I can read all the data, but it's not being mounted as described in fstab. How might I go about diagnosing / resolving this? Edit: I can remount with mount -o remount,rw / and it works as expected, except that /proc/mounts reports /dev/root mounted at / rather than /dev/sda1 as I'd expect. If I try to remount with mount -a I get mount: none already mounted or /sys busy mount: according to mtab, sysfs is already mounted on /sys Edit 2: I resolved the problem with mount -a (the same error was occuring during startup, it turned out) by changing the sysfs and proc lines to proc /proc proc [...] sysfs /sys sysfs [...] Now mount -a doesn't complain, but it doesn't result in a read-write root partition. mount -o remount / does cause the root partition to be remounted, however.

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• Websockets Server with Fault-Tolerance and Durable Message Store

  - by smitchell360

  I am starting to experiment with websockets. Does anyone know of a websockets server (open source or paid) that provides a durable store of the websocket "channel"? All of the examples that I have found do not address durability -- if a websockets server goes down, all "channel" data is lost. Services such as Pusher do not really discuss whether they address the durability issue (and I have not received a response from tech support yet). Happy to roll my own, but would rather not reinvent the wheel. EDIT: I'm not looking for websockets 101 information. That is readily available and understood. I'm looking for a server (open source or paid) that supports websockets and has a durable store for the websocket data so that, in the event that a server fails, a new server can take over where the original one left off. Two main purposes: 1. support failover scenarios contemplated by the websockets Network Working Group http://tools.ietf.org/html/draft-ibc-websocket-dns-srv-02#section-5.1 (most importantly so that missed messages are sent when a client connects to a failover server) 2. support scenarios where new subscribers must receive all past messages that were published. Of course this can be handled at the application layer...but that is not what I am looking for. EDIT So, after some research the following installed options seem to be the most robust: Kaazing Migratory Migratory (http://migratory.ro) Hosted services that seem "real" Pusher (great API but no history feature yet) PubNub (has history) All of the above services have graceful fallback to other communication methods if websockets are not available. I was not able to find any open source that provided "out of the box" clustering, fail-over, and a durable message store to play back history. There are some projects that may serve as good starting points, but not exactly what I am looking for.

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• Allow opening a new tab with Ctrl+T on all websites in Firefox

  - by Martin J.H.

  In Firefox, certain websites and plugins (Adobe PDF Plugin) appear to "capture" the Control key, so that when I try to open a new tab using "Ctrl+t", nothing happens - or worse, something unexpected happens. Examples: On the Codecademy site, while editing code, Ctrl+T either does nothing, or (when Flash is disabled) switches the position of the two characters next to the cursor. When viewing PDF's with the Adobe PDF Plugin, Ctrl+T does nothing. Is there a way to disable this "feature"? I would like "Ctrl+t" to always "talk" to Firefox! Edit: After searching superuser deeper, this question is very similar to the questions: "How to prevent keystroke grabbing/hijacking by websites in Firefox?" "How do I prevent pages I visit from overriding selected Firefox shortcut keys?". The answers to these questions are interesting and relevant, but do not give a method on how to disable combinatinos such as "Ctrl+t". Maybe a modified Greasemonkey script is the easiest solultion. Edit 2 - Attempt at a solution The following UserScript (Use GreaseMonkey to install it) successfully captures Ctrl+t on some sites (Google Search site, for instance - PopUp "Gotcha" appears), but not on the Codecademy site. I found another question pertaining to this subject here: "How to forbid keyboard shortcut stealing by websites in Firefox". It was raised in 2010, and the consensus was: It can't be done. // ==UserScript== // @name Disable Ctrl T interceptions // @description Stop websites from highjacking keyboard shortcuts // // @run-at document-start // @include * // @grant none // ==/UserScript== // Keycode for 't'. Add more to disable other ctrl+X interceptions keycodes = [84]; var lastPressedButton = [0]; document.addEventListener('keydown', function(e) { //uncomment to find out the keycode for any given key // alert(e.keyCode ); if (keycodes.indexOf(e.keyCode) != -1 && e.ctrlKey) { e.cancelBubble = true; e.stopImmediatePropagation(); alert("Gotcha!"); } return false; });

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• Software to automate website screenshot capture

  - by Leniel Macaferi

  Do you know any software that can automate the process of getting screenshots of every page of a website? It would act like a spider/crawler/robot. You name it... For example: I developed a website and now I'd like to get a screenshot of every page of the site. I of course could do it manually (a lot of work). For each module of the site (Student, Payment, etc) I have different pages (Create, Edit, Details, Delete, etc) forms. The thing I'm looking for is a software that can visit every link of the site and then capture the screen - a software that can automate the whole process. It would also be good if the software allowed the user to pass a list of URLs to capture screenshots allowing even more fine grained configuration. EDIT: I tried Selenium mentioned by Aaron in his answer but I managed to find an app that does exactly what I needed. It's called Paparazzi!. I wrote a blog post to showcase my attempt at Selenium and the findings regarding Paparazzi!'s batch capture functionality: Software to automate website screenshot capture

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• Dell XPS 17 Laptop USB SS Ports don't work until machine rebooted

  - by Matt

  I have a new Dell XPS 17 laptop and have an issue that the two USB SS ports on the rear of the machine are not recognising anything when I start-up. Have tried mouse, keyboard, headset, USB display. If I plug a USB hub in the power light on the hub lights (presume this is hard-wired) but a mouse plugged into the hub does not light up. If I restart the pc the ports work fine. Also the other two USB ports work fine all the time. I have switched off the power saving setting on the device manager (Power managementAllow the computer to turn off this device to save power) and also in the advanced power settings (USB Settings USB Selective suspend setting:disabled) I have also disabled USB powershare in the BIOS (not sure what this actually does!) This is becoming very annoying having to restart the machine every day before I can start work Running Win 7 Pro x64 EDIT: I have found that setting USB Emulation to Disabled has helped the devices to be recognised during start up but they keep dropping out completely when in use EDIT 2: I contacted Dell about this issue who told me to update the BIOS driver, when I asked if I should downgrade from the factory installed A13 to the A12 posted on the dell website they said no. However there is now an A14 available on the website has anyone tried this?

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• Desktop bigger than screen

  - by alex

  I am using MSI U115 11" netbook (OS: Windows XP Home, graphics card: Intel Graphics Media Accelerator 500) and today after I switched it on, desktop was bigger than screen. To be exact: screen resolution was set to the lowest possible and I could move mouse outside of screen (but only below - left, right and up worked normally, mouse could not exceed screen boundaries). I changed resolution back to normal, but the problem with desktop being bigger than screen remained (as before, only lower part - cannot see task bar, etc. When I hit windows button on keyboard, only upper part of menu start is visible). What I already tried was changing all kind of graphics and screen settings - none of them helped. I also tried to restore the system to few days before, but it didn't help neither. What can I do to make the desktop look "normally"? EDIT: Some additional info regarding screen: Sorry it's in polish - but let me explain. There are two screens I can choose (Monitor domyslny means default screen), but the second one (the default one) is not available. After I choose it and click apply number 1. is used (and as you can see it has only two resolutions available. There are more in the second one - but without 1024x600 though). The two ticked and grayed out options here are Use this screen as the main one and Enlarge Windows desktop to match this monitor's size. Too bad I cannot change them. When I choose the second screen, the first box is unchecked and grayed out. The second box is available to be changed but it doesn't matter anyway as after applying changes it reverts to the first screen anyway. EDIT: Intel Graphics Media Control Panel screenshot.

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• Computer resetting semi-randomly

  - by Peter

  Hi, I'm having a problem with my desktop whereby it sometimes resets itself semi-randomly. For example, I'll switch it on, it'll boot an OS and shortly after getting to the desktop it will immediately reset with no warning. The time isn't consistent - sometimes it does it before reaching login. I'm pretty sure it's not an OS thing; have tried Ubuntu and a Windows install and both exhibit it. It also doesn't appear to be heat-related because sometimes it appears to be able to "get past" it and will then run stably even under load; if anything it seems to be worse from a cold start. My gut feeling is some kind of power issue but I'm clutching at straws a little. Any suggestions on how I could go about testing it or trying to narrow the problem down would be appreciated. The machine is four years old now so while I can replace components if needed, it's not worth enough that I'm comfortable buying new parts without being pretty confident that they'll fix the problem. Thanks in advance for any help :) Edit: Okay, the motherboard is a MSI K8N SLI; CPU is an Athlon64 X2 4200+. Has one video card, a GeForce 7800GT. 1GB RAM, not sure of brand; 3 hard drives, two SATA and one PATA. Flashed motherboard to latest BIOS some time ago. Edit the Second: I thought I'd narrowed it down to the PSU for a while, but then it recurred again. I ended up pulling everything out but CPU, RAM and motherboard and it still seems to be stuffed (if anything, it's gotten worse in the last couple of days). I assume it's one of those three components, but the machine is old enough that I don't really want to spend money replacing any of them. So thanks for everyone's suggestions; much appreciated!

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