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• Dell Dimension 2400 problem

  - by murgatroid99

  I have a new problem with a Dell Dimension 2400 PC. Until yesterday or the day before, it was working fine, but today when I press the power button the light on the power button turns yellow instead of green, the fan behind the processor increases speed until it sounds like a jet engine, and the computer does not boot up. I cleaned out the dust in the computer so that is not the problem. Also, the fan was blowing cold air. Do any of you know what might be causing this and how I might be able to fix it?

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• Running game server and webserver on EC2

  - by mazzzzz

  Hey guys, I have a webhost, and an EC2 server (to run a game server on). The problem is that I want to access/modify the EC2's files with php admin programs. I looked into a lot of options to just have the webhost communicate with the EC2 server (ssh, etc), but none of them panned out. My question is if I were to install a lightweight webserver (think lighttpd) on my EC2 server, how badly would it hurt the game server's performance? I was leaning away from this solution, even though the webserver (on the EC2 server) wouldn't get many hits (less than a 100 a day). Thanks for your thoughts, Max

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• Snow Leopard directories after hard disk crash and restore from Migrate Utility

  - by ennuikiller

  My hard drive on my macbook pro crashed the other day and I got a replacement from Apple with a vanilla snow leopard install. Upon returning home I used the Migration Utility to restore my previous data and configuration. So far, so good! Everything looks and works exactly the same as before the crash. However, I noticed these 2 directories that are taking up quite a bit of space: /Developer (from old Mac) /opt (from old Mac) The question is can I safely remove these? As I said, my macbook pro appears to be restored completely to before the hard drive crash. I can run all my apps and all my files appear to be intact. Therefore it seems the system is not using these directories. Also because of their odd names it doesn't seem that os x is using them for any purpose. Thanks in advance for any help!

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• rsyslog from Heroku drain creates empty log files

  - by Jeff Lee

  I'm sending logs from my Heroku app to an rsyslog server, but the resulting log files seem to come up empty. The rsyslog configuration for receiving remote messages is as follows: $template RemoteDailyLog,"/var/log/remote/%hostname%/%$year%/%$month%/%$day%.log" :fromhost-ip, !isequal, "127.0.0.1" -?RemoteDailyLog & ~ My complete rsyslog configuration is available in this paste. This configuration appears to create the directories correctly. I see the Heroku app's logging hostname (of the form "d.xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx") appear in /var/log on the rsyslog host, which implies that log messages are successfully making it to the logging daemon, but the resulting logfiles are zero-size. I'm guessing the issue is with rsyslog, rather than Heroku, but I'm not sure where to look next.

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• How to remove an "extra" (unwanted) network from a windows 2008 failover cluster?

  - by Trondh

  Hi, We had a severe crash on one node of our 2-node Windows 2008 / Exchange 2007 CCR Cluster the other day, and i tried to rebuild the node from scratch. I'm using this as a rough outline: http://edmckinzie.spaces.live.com/Blog/cns!687C72A5909E4230!508.entry?sa=641979772 The problem: Our cluster was originally setup with only one NIC per host, as this is supposedly supported in Win2008 (no dedicated heartbeat NIC). When I add my freshly installed node to the cluster, it shows up with two cluster networks, "Cluster Network 1" & 2. The existing node's NIC has been placed in one cluster network and my fresh installed has ended up in the other. I can't find anywhere in the GUI to choose which cluster network each physical NIC should be part of, but i KNOW I have done this before. Time is of the essence on this one, so I was hoping someone in here had the answer on the top of their head... Thanks for any pointers. regards, Trond Hindenes

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• Limit download usage for clients

  - by Kumar P

  i am maintaining few windows xp machines under rhel 5 . i want to set quota for download file size. How to do it ? I mean, in lan usar A's maximum donload file size is 300 MB , and user B's maximum download file size in 200 MB. I want to block downloading when user try to download more than 300 MB file.User should not allow to download 300MB file at a time. Or how to set quota for maximum download per day, is there possible to do it ? How can i do this ?

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• dhcpd pool exhaustion - What's the result?

  - by jarmund

  I have a DHCP server that serves leases to several houndred, maybe up to a thousand, different clients on an average day. The pool consists of 242 IPs, and due to the highly dynamic nature of the network, it's enough 99% of the time (most devices are gone from the network in a few minutes), despite having a lease time of 3600. Now, imagine if more clients than that connect to the network during an hour. The sollution is obvious: Decrease lease time, or increase the DHCP pool, however, what i would like to know: What happens when dhcpd has exhausted the pool? Are new DHCP requests simply ignored?

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• Password expiration notice for Active Directory

  - by keithosu

  Are there any tools/apps/scripts out there that will do password expiry notification for Windows 2008 Active Directory credentials? This is needed for our web apps that use Active Directory for LDAP authentication. The problem is those apps do not notify you that your password is going to expire when you login. We have many offsite users who do not have machines bound to the AD. So there is no way to let them know to reset their password. I'd like the user to be notified 30,7 and 1 day before it expires. I'd also like our help desk to get an email for the expiring passwords for the week and recently expired passwords. I've looked at oldcmp.exe from link text and that gets me my reports but it does not do the automation that I'm looking for on the individual users.

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• Sending an Email from 2 Mail Servers

  - by Ted Smith

  We are currently attempting to move away from using a "local" mail(exchange) server to an cloud based offering for all our automated emails. The problem is that we send and receive thousands for emails a day and its uptime is quite critical so the business do not want to put all their eggs in one basket, so if we would like to use a cloud based offering(mailgun) they would like a backup if this goes down. So my question is: Would it be possible to set multpile A, TXT and CNAME records to multiple IP address so if one mail server goes down we can automatically start sending emails from the fallover(without them being blocked doing a reverse DNS lookup)? I know we will still need to adjust the MX record for incoming emails but that is acceptable to not receive emails for a short(1-2 hours) of time. Does this make sense?

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• SQL Azure Federation - how much data before performance benefits?

  - by Donald Hughes

  To avoid premature optimization, I don't want to implement SQL Azure's Federation too early. Is there a rule of thumb for how much data a table would need to have before seeing performance benefits from sharding? I know there won't be a precise answer as there are too many variables to consider, especially with much of SQL Azure's resources being hidden/unknown. To put it into several, more concrete examples, would Federation improve performance in any of the below table scenarios: 100,000 rows (~ 200 MB) 1,000,000 rows (~ 2 GB) 10,000,000 rows (~ 20 GB) 100,000,000 rows (~ 200 GB) For the sake of elaboration, we can assume this is the largest table that would be federated, which consists of order details, which is joined to an orders table with a 'customer_id' foreign key, which would be the distribution key. This is a fairly standard multi-tenant, CRUD order entry system, with a typical assortment of reporting needs (customer order totals by day/month/year, etc).

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• how to make a php crontab silent

  - by BandonRandon

  I set up a crontab in Cpanel to run every min. It's working great but I don't want an e-mail every min. I have a second cron tab that runs every day. I would like the responce of this tab. Is there a way to tell the crontab to be silent or only e-mail on error? I have: * * * * * php /home/public_html/folder/file.php 2>&1 The last bit 2>&1 I added because i thought it would make it silent. From the Cpanel Docs: You can have cron send an email everytime it runs a command. If you do not want an email to be sent for an individual cron job you can redirect the command's output to /dev/null like this: mycommand /dev/null 2&1

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• Computer Randomly Restarts (no crash dump)

  - by Bruno Charters

  Hey everyone this is my first time here, so, my computer got pulled out of his place the other day by accident and it never got back to working decently ever again. I just stopped using it because everytime i power it on, it restarts. Some times it doesn't even reach the desktop, others it even allows me to run a game or something. It gets really random. Today i was trying my last attempt before sending it to fix and it ran fine for 40 minutes but as i tried to run a game the screen got really messeud up full of colorful lines and stuff and i'm assuming it had to do with the graphics card. Altho, my question is, what can be causing all this restart thingie? Can it be just the Power Supply failing me and hence, not giving enough power to make the graphic card go for instance? My computer specs are: Motherboard: Asus P5KPL - AM CPU: Intel QuadCore 2.33 ghz Graphic Card: Nvidia GeForce GTS260 Ram: 2x2gb ddr2 Power Supply: Nox Urano 500W Thanks in advance, Bruno Charters

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• Check integrity of Debian system after possible rootkit?

  - by artvolk

  Good day! I have a system that was possible rootkited (the IRC bot was installed and +ai attributes were set on /usr/bin, /usr/sbin, /bin, /sbin). The IRC bots were deleted and system was upgraded to 5.0.4 from 4.0. I'm afraid that something in folders I've mentioned was modified. I can't reinstall the box, so if there any way to check integrity of the system? P.S. I have already checked rkhunter and chrootkit. Thanks in advance!

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• Make Thunderbird3 not switch to firefox after clicking a link

  - by WebDevHobo

  Using ThunderBird 3 on Windows 7. When I get a mail with a link, I usually click it, if I know what it's about. Sadly, Thunderbird switches to Firefox which is opening the new tab. I'm active on several forums and get several of these messages per day. I don't want to click a link, be forced into firefox, go back to thunderbird, click a link, be forced into Firefox, etc... Is there an option to disable this? If not, I can see myself quitting Thunderbird altogheter and simply using web-based email checking instead of using an app.

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• Should I reinstall my production server from 32 bit to 64 bit if it has 16GB of RAM?

  - by Alexandru Trandafir Catalin

  I have a production server with 16GB of RAM that came with a 32bit CentOs installation. The website hosted on this server is increasing its traffic every day and I am having some MySQL trouble so I tried to check the MySQL configuration with mysqltuner.pl and gave me the following messages: [!!] Switch to 64-bit OS - MySQL cannot currently use all of your RAM *** MySQL's maximum memory usage is dangerously high *** *** Add RAM before increasing MySQL buffer variables *** So my question is: can I survive with the 32 bit? Or I will have to install the 64 bit OS? Thanks.

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• How do I view the location of an swf file that is obscured somehow.

  - by atticus

  Specifically, I'm trying to view Elmo's Keyboard-o-rama fullscreen. The original swf file at www.sesameworkshop.org/uploaded-images/9495524/additional/main_game-6.swf has been moved and obscured. For a toddler, this game really needs to be full screen! The toddler doesn't mind too much and has already lost interest in the game for the day. But it's just driving me crazy. I've tried the usual method of viewing the page info in Firefox to no avail. And before people start trying to delete this for being game specific, I would like to know how to do this for any obfuscated swf location, not just games. Thanks in advance.

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• Windows XP waits for usb drive on almost every operation.

  - by Tomasz Kowalczyk

  Hello everyone, I have a problem with my Windows XP operating system, particularly with the USB device that is plugged in - 1TB WD My Book external drive. I haven't found any information about such behaviour when searching in Internet, so I have to ask You. The problem is: when I am using computer, especially during work (programming), when I try to access any information on a hard disk ("internal" one), Windows seems to "consult" it with the external drive. For example, when I open file selection dialog window, if I try to change directory, system activates external drive, reads something (I hear the disk's operational noise) and after some seconds of such pause it makes the operations I requested. There are many situations in which I can reproduce this behavior - opening My Computer, shutting down system, opening partition folder from My Computer - every operation involves the usage of external drive. Please understand me properly - this is not something that happens EVERY time, but at least "many" times a day. What causes such behavior and how can I "turn off" external drive when it's not needed? Thanks in advance for your answers.

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• wifi routers and concurrent devices

  - by Joelio

  We have a Linksys WRT54G WiFi router in our office which was working great when we had 5-6 folks. Now on peak days we have 10-15 people, each with a computer, smartphone, etc, and an ooma VOIP device. On average 1-2 times a day I need to go hard reboot the router, and sometimes the border router (Cox-supplied device). I assume this is just because the router cant handle this many concurrent users. So my question is can these consumer routers handle this kind of load? If not, would adding more devices solve the problem, and how close proximity can I put 2 routers without having interference problems (our office area is not that big physically)?

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• Any good software to help me memorize passwords?

  - by Septagram

  I'm using KeePass(X) and other tools to keep most of my passwords. However, it turns out, there is still about half a dozen passwords I'm using on regular basis that I would prefer to just remember. So, do you people know of any good programs, preferably open-source, to train yourself using a particular password and thus to memorize it? I know I can remember a 96-bit entropy password rather well if I practice entering it 3 days, 5 minutes for each day, I just want a good software to simplify the process and exclude the possibility of shouldering or otherwise leaking the password.

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• new SBS 2011 Standard problems

  - by Damon

  Brand new SBS 2011 install. I went to remove the DHCP server role. It went into a "Preparing to configure Windows. Do not turn off your computer." Been there for hours. Finally, decided to power off and restart. After boot up, the same window and message appear and it just sits there spinning. "Preparing to configure Windows. Do not turn off your computer." I'd love to get this installed before the end of the day but it doesn't look like that's possible. Any ideas on how to get passed this?

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• Is there any software or hardware which lets you stop, slow down, speed up or even reverse time?

  - by tjrobinson

  Obviously I'm talking about time in terms of the PC clock rather than real time. We were testing an application we've developed at work by setting the clock forward and back to simulate different scenarios and I started thinking how useful it would be if you could adjust the rate(?) of the system clock with finer control. So you could make a minute pass in a second or a day pass in 30 seconds and watch how the program you're developing copes with changes in date and time. I'd be interested to hear if anyone knows of any software or hardware which can let you do some or all of the above.

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• Backing Up Transaction Logs to Tape?

  - by David Stein

  I'm about to put my database in Full Recovery Model and start taking transaction log backups. I am taking a full nightly backup to another server and later in the evening this file and many others are backed up to tape. My question is this. I will take hourly (or more if necessary) t-log backups and store them on the other server as well. However, if my full backups are passing DBCC and integrity checks, do I need to put my T-Logs on tape? If someone wants point in time recovery to yesterday at 2pm, I would need the previous full backup and the transaction logs. However, other than that case, if I know my full back ups are good, is there value in keeping the previous day's transaction log backups?

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• Netgear router-speed problem after XBox use

  - by John Dudley

  When my son is at my place at the weekend, he plays XBox Live over the internet, using my wireless network (Netgear 'g' type router). This usually thrashes & crashes the router to the extent I have to hard-boot it to get it working again. However, after this weekend, on my two laptops, I'm left with the problem that the router is working, but I'm only getting 0.38Mbps out of it, at all times of the day. I've tried hard-booting the router, but no difference. Could this be a knock-on effect of the Xbox use? I can't believe the router could be damaged, but working slower? Is that possible? Tiscali haven't come back to me yet on any 'network' issues. Thanks in advance

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• What are the parental controls within Windows 8 and how do I use them?

  - by KronoS

  I've got some little ones that I want to be able to use my PC, BUT I don't want them using my account since it's an admin account. I've created a user account for them without admin privileges and now I'm looking to see if there is a way to do the following: Prevent them from downloading/purchasing Metro apps Limit amount of time on Computer Limit time of day they can access Limit internet browsing based on age Prevent them from installing desktop applications Any other parental controls that I can set I'm looking for a good exhaustive overview of the parental controls found within Windows 8 and a brief synopsis on how to use those tools.

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• postfix "mail-pipe" alias shellscript creates permissionless files/dirs

  - by Gung Foo

  I am using an alias to a shellscript in postfix... After the script that is called by the shellscript creates a directory it has no permissions at all.. #!/bin/sh umask 002 cat | php /var/www/html/catchmymail rcvemail result is like this: d--------- 2 apache apache 4096 Sep 17 17:25 50 it works for files tho: -rw-rw---- 1 apache apache 5836288 Sep 18 11:21 test Not even setting umask 002 in the shellscript before it hands the mail on changes a thing Setting umask(0002) inside catchmymail has no effect either. Has anyone seen this behaviour before or an idea to save my day?!? This is extremely confusing and actually insane behaviour from what i understand about umask and file permissions.

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