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  • Building an Email server for mass emails

    - by EGHDK
    I recently started doing IT odd jobs for a company. The company has a pretty decent sized mail list that costs them over $3000 per month to send out email from. The company is set on creating their own email server so that it can just run and send emails to the client lists. They only send out emails roughly once a month. Has anyone had experience with this? This wouldn't be an email server I guess (as it doesn't need to handle incoming messages) It just has to be able to send around 200,000 emails, once a month. What would be the best way to go about this? Services online like MailChimp have proved to be too pricey. It's not an ad that is being sent out, it's more of a monthly newsletter, so we don't need any crazy software for ROI or anything crazy like that. If I could fit 200,000 people in GMAIL, I'd do it, but I don't think I can (heh... maybe I should try).

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  • Word Document Turns to Read-Only

    - by Psycho Bob
    I am running into an issue with a user whose Word document is somehow turning itself into Read-Only. The user is using Word 2003 and is accessing a document that is in a Server 2008 share. The document itself starts out as a normal, editable document (user has Full Control permissions), and the user is able to save and do the 'normal' things you would do to a document. However, after a couple of saves, the document turns to Read-Only (according to the title bar) even though the Read-Only attribute is not checked on the document's properties. Here is some additional information about the situation: *User has approximately 5-8 Word documents open at a time *User saves the document frequently (sometimes at a frequency of once per minute) *Once the document is closed it will open as a normal document if reopened *When the document does turn to Read-Only the user will do a "Save As" on the document and save it as FILENAME # where # is some increment of how many times this has happened (some documents are up to their 30th iteration) I understand that there is probably some room for user education here and that they could just be copying the RO document to a new one, closing and opening the RO doc, then copying all the information back. However, I would like to get to the route cause of the problem and try to stop it from happening in the first place. UPDATE: Apparently the reinstall did not fix the issue. I researched the issue a bit more and found that disabling the background save may take care of it, but I haven't had a chance to try it yet. Does anyone else have any other ideas?

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  • Why my Ldirectord check multiple times on read server every interval?

    - by garconcn
    I have a Ldirectord server and two real servers. My ldirectord used to check the request page on real server once in every interval, but now I found that it check four times. I have monitored the log on both real servers, they have the same problem. Here is my ldirectord configuration: checktimeout=10 checkinterval=5 autoreload=yes logfile="/var/log/ldirectord.log" quiescent=no virtual=192.168.1.100:80 fallback=127.0.0.1:80 real=192.168.1.10:80 gate real=192.168.1.20:80 gate service=http request="lb.html" receive="still alive" scheduler=sh persistent=60 protocol=tcp checktype=negotiate Ldirectord will connect to each real server once every 5 seconds (checkinterval) and request 192.168.0.10:80/test.html (real/request). The access log in real server: 192.168.1.100 - - [13/Jun/2012:10:36:44 -0700] "GET /lb.html HTTP/1.1" 200 12 "-" "libwww-perl/5.805" 192.168.1.100 - - [13/Jun/2012:10:36:44 -0700] "GET /lb.html HTTP/1.1" 200 12 "-" "libwww-perl/5.805" 192.168.1.100 - - [13/Jun/2012:10:36:44 -0700] "GET /lb.html HTTP/1.1" 200 12 "-" "libwww-perl/5.805" 192.168.1.100 - - [13/Jun/2012:10:36:44 -0700] "GET /lb.html HTTP/1.1" 200 12 "-" "libwww-perl/5.805" 192.168.1.100 - - [13/Jun/2012:10:36:49 -0700] "GET /lb.html HTTP/1.1" 200 12 "-" "libwww-perl/5.805" 192.168.1.100 - - [13/Jun/2012:10:36:49 -0700] "GET /lb.html HTTP/1.1" 200 12 "-" "libwww-perl/5.805" 192.168.1.100 - - [13/Jun/2012:10:36:49 -0700] "GET /lb.html HTTP/1.1" 200 12 "-" "libwww-perl/5.805" 192.168.1.100 - - [13/Jun/2012:10:36:49 -0700] "GET /lb.html HTTP/1.1" 200 12 "-" "libwww-perl/5.805" 192.168.1.100 - - [13/Jun/2012:10:36:54 -0700] "GET /lb.html HTTP/1.1" 200 12 "-" "libwww-perl/5.805" 192.168.1.100 - - [13/Jun/2012:10:36:54 -0700] "GET /lb.html HTTP/1.1" 200 12 "-" "libwww-perl/5.805" 192.168.1.100 - - [13/Jun/2012:10:36:54 -0700] "GET /lb.html HTTP/1.1" 200 12 "-" "libwww-perl/5.805" 192.168.1.100 - - [13/Jun/2012:10:36:54 -0700] "GET /lb.html HTTP/1.1" 200 12 "-" "libwww-perl/5.805"

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  • Mavericks permission issues with Windows Server deduplicated shares

    - by dmohlmaster
    We have a number of 10.9-10.9.3 - Mavericks - machines installed throughout our facility. Much of the user content is pulled from shares stored on our Windows Server 2012 fileservers with deduplication enabled. I have found that files newly written or unoptimized are able to be accessed without issue - read, written, modified, etc. Once the file gets optomized/deduplicated and Windows adds the P & L attributes - sparse and symlink - the Macs running Mavericks begin to have access issues. Once the files get deduplicated, users begin receiving read access errors when copying files (see error1 below). This happens when copying to folders within the current folder tree or copying somewhere to the local system. If you 'stop' the copy operation and retry a few more times, it may eventually work for the specific instance but fail again later. I am however, able to copy these files without issue via the terminal. Other systems running 10.7 do not experience the same issues and are able to access file server resources without issue. Many of the systems having issues are newer and thus not able to be downgraded to 10.8 or 10.7. I have tried finder replacements such as Pathfinder but the results are the same. I know this is at least similar to the issues many Mac users are already experiencing and posting about but I haven't seen it directly linked to deduplication and the attributes written by Windows server. Has anyone seen this issue? Have any solutions been found? Error 1: When copying files after the PL attributes have been set by deduplication. "One or more items can't be copied to "Foler" because you don't have permissions to read them. ******************************************' Via the system.log, I am also seeing the following error when accessing these deduplicated file shares. The reparse point tag listed below is "IO_REPARSE_TAG_DEDUP" Reported error: "smbfs_nget: filename.ext - unknown reparse point tag 0x80000013"

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  • Drupal 7: One-time user account

    - by Noob
    I'm going to create a survey in Drupal 7 with the webform module, installed on a debian system which may be adapted in every way. The users (personally known, approx. 120) doing that survey will walk into a room and complete the survey in browsers on different computers. After that, they'll leave the room and other persons will enter, complete the survey on the same computers and so on. Each user may enter only one submission. The process needs to be anonymous, i. e. I mustn't have any idea of who did wich submission. My current solution is to generate random one-time-passwords and hand out one password per user (without noting who got which password). Within the survey there will be a password field where the one-time-password is entered. The value is checked by webform to be unique. I'll get the data via csv or Excel and verify the passwords manually in excel by comparing them to the list of valid passwords. The problem is: I don't like the idea of manually generating the password list, copying it to excel and doing a manual check. That's a good idea for one-time-use, but we're going to repeat the survey every once in a while. I'd rather generate one-time-logins (like user0001/fdlkjewf, user0002/dfrefnnr, ...) for each survey, hand them out to the users and let drupal/debian/whatever check whether a submission is valid or not. Do you have any idea how to batch-generate about 120 users with one-time-passwords in Drupal 7 and verify that each user may submit the form only once? Do you even have a better idea how to accomplish the task within the intranet? Thank you for your help.

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  • Firefox will not remember local site cookie

    - by Campo
    This is a weird one. We have a production server (Server 2008) and two staging servers (Server 2008 and Server 2003) I have sites on all of these. They all use cookies. On the Production server when browsing to our site www.supernovainteractive.com there is a cookie that detects when you visted the site and it will not refresh the logo animation (top left hand side) on clicking to another page. This works for all browsers on the production server. I’m not sure what’s going on but for some reason cookies are not working on one site in the 2008 staging server only. This is when browsing using Firefox (3.6.3) they work fine on all other browsers (IE, Chrome, Safari, Opera) In addition, the 2003 staging server works fine. You can test on the Supernova Interactive site by noticing the logo in the top left corner. It uses a cookie to detect if you’ve already seen the animation. Once you’ve seen it once, it doesn’t animate again until tomorrow. Currently, it’s animating every time. I have opened an outside facing port so others can see the issue. Http://exchange.supernova.com:10009 Any ideas on this one? Firewalls are off on the server. Notice you do not get a cookie from Exchange.supernova.com.

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  • Acer Aspire One -- strange battery problem, charges only up to ~90%

    - by houbysoft
    I have this strange problem on the acer aspire one d250. It happened already once before, stayed for about two weeks, and then "fixed itself". The problem is as follows: the battery can't seem to get fully charged; ie the indicator is stuck at about 90% (it's probably not a software problem -- I have ArchLinux and Windows 7 installed and both report exactly the same) and it never passes that value, but it still shows the status as "charging" (I tried everything I could think of -- leaving it charging for extremely long amounts of time, doing a few complete charge-recharge cycles, removing/reinserting the battery, cleaning the connectors, even updating the BIOS, etc., and nothing helped). Also, when it is getting charged, it charges pretty fast until about 70% and then progresses extremely slowly. The battery holds the charge that appears on the battery indicator normally. Just can't get the battery to charge fully -- I can't get it past the 90%. At first I thought this would be a simple battery failure (even if the computer is not that old, about 6-7 months), but as I mentioned it happened once before, and then one day it fixed itself. I tried contacting Acer about this, but the support was not helpful, completely stupid, it seemed like they used canned responses, the usual. Any thoughts on how to fix this?

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  • VLAN ACLs and when to go Layer 3

    - by wuckachucka
    I want to: a) segment several departments into VLANs with the hopes of restricting access between them completely (Sales never needs to talk to Support's workstations or printers and vice-versa) or b) certain IP addresses and TCP/UDP ports across VLANS -- i.e. permitting the Sales VLAN to access the CRM Web Server in the Server VLAN on port 443 only. Port-wise, I'll need a 48-port switch and another 24-port switch to go with the two existing 24-port Layer 2 switches (Linksys); I'm looking at going with D-Links or HP Procurves as Cisco is out of our price range. Question #1: From what I understand (and please correct me if I'm wrong), if the Servers (VLAN10) and Sales (VLAN20) are all on the same 48-port switch (or two stacked 24-port switches), afaik, the switch "knows" what VLANs and ports each device belongs to and will switch packets between them; I can also apply ACLs to restrict access between VLANs at this point. Is this correct? Question #2: Now lets say that Support (VLAN30) is on a different switch (one of the Linksys) switches. I'm assuming I'll need to trunk (tag) switch #2's VLANs across to switch #1, so switch #1 sees switch #2's VLAN30 (and vice-versa). Once Switch #1 can "see" VLAN30, I'm assuming I can then apply ACLs as stated in Question #1. Is this correct? Question #3: Once Switch #1 can see all the VLANs, can I achieve the seemingly "Layer 3" ACL filtering of restricting access to Server VLAN on only certain TCP/UDP ports and IP addresses (say, only permitting 3389 to the Terminal Server, 192.168.10.4/32). I say "seemingly" because some of the Layer 2 switches mention the ability to restrict ports and IP addresses through the ACLs; I (perhaps mistakenly) thought that in order to have Layer 3 ACLs (packet filtering), I'd need to have at least one Layer 3 switch acting as a core router. If my assumptions are incorrect, at which point do you need a Layer 3 switch for inter-VLAN routing vs. inter-VLAN switching? Is it generally only when you need that higher-level packet filtering ability between your departments?

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  • best practices for setting up a new windows 2008 R2 server with ec2 AWS

    - by Alex
    Can someone comment what they would add to the following list of SOP in terms of best practices? This is being set up on AWS, and then after further testing, back in our datacenter. Standard Operation Procedure (SOP): Installation Part: 2 - Installation of Software Components in Windows 2008 R2 (Updated). Step: 1 Logon to the host through Remote Desktop. Strp: 2 Open Server Manager - Server Roles - Install Web Server IIS 7.5 with compatible of IIS 6 features and Management compatibility mode. Step: 3 Open IE/Mozilla to Download the below listed software's and save all installation files to folder called "AWS Server Install Files" for future reference.. Net Framework 2.0 (Download that from internet) Crystal reports for .Net Framework 2.0 (x64) (Download that from internet) SQL Server 2005 (AWS Image) Step: 4 Once all software's saved on local drive, then Install it one by one. Step: 5 Navigate to Desktop folder to install the below listed softwares. Microsoft Asp.net 2.0 AjaxExtention 1.0 (placed on Desktop \Softwares) WebEx recorder. (placed on Desktop \Softwares) Winrar(placed on Desktop \Softwares) Step: 6 Make sure all the software are working fine. Step: 7 Inspect the server once entirely. Step: 8 Logoff & Stop the Instance.

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  • DD-WRT Acces Point as a Router

    - by Dzh
    Following suggestion to this question asked on Network Engineering, I am asking the question here. this is an extension to my previous question (I think it was deleted), where I was claiming that DDWRT was disabling it's DHCP server once connected to the network. I was wrong, as it now seems that it is bridging itself with another parallel connected wireless router. I have two Draytek 2820 and one Netgear WG602v3 with latest DDWRT. Lets call one wired-Draytek and it has wireless disabled. The other one, let's call it wireless-Draytek, is connected to wired-Draytek and has wireless with MAC filtering enabled. Once I connect Netgear to the wired-Draytek, the client that connects to Netgear, will be assigned with IP address from the wireless-Draytek. If the MAC address is not on the wireles-Draytek, the client is unable to obtain IP address and has no connectivity at all, even with manually assigned static IP configuration. To illustrate further, this is how network is set up: wired-Draytek ---------- wireless-Draytek \_________ Netgear What I wish to have, is that Netgear issues IP addresses from it's own IP pool and ignores the MAC filtering rules from wireless-Draytek. This is kind of puzzling how this they are bridging (if they are) themselves automatically. Thanks. UPDATE: It's not a home network. I gave you a bit simplified set-up. If there is a better site on Stack Exchange to ask this, please let me know. The Drayteks are running stock firmware, it's only Netgear that I've flashed to get more stability. In addition to these routers, I have also three 3COM Baseline switch 2824, and another Draytek router with Prosafe FS752TP PoE switch dedicated for VoIP phones. Wired-Draytek has IP 10.0.0.1, DHCP disabled as there is AD DC which is issuing IP addresses. Wireless-Draytek has IP 1.1.1.1 and DHCP enabled. Netgear has default - 192.168.1.1. As per suggestion, the specific question is - how do I isolate these two wireless routers?

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  • How to verify power provided to processors is clean

    - by GregC
    Once in a blue moon, I am seeing a blue screen of death on a shiny new Dell R7610 with a single 1100 Watt Dell-provided power supply on a beefy UPS. BCode is 101 (A clock interrupt was not received...), which some say is caused by under-volting a CPU. Naturally, I would have to contact Dell support, and their natural reaction would be to replace a motherboard, a power supply, or CPU, or a mixture of the above components. In synthetic benchmarks, system memory and CPU, as well as graphics memory and CPU perform admirably, staying up for hours and days. My questions are: Is power supply good enough for the application? Does it provide clean enough power to VRMs on the motherboard? Are VRMs good enough for dual Xeon E5-2665? Does C-states logic work correctly? Is there sufficient current provided to PCIe peripherals, such as disk controllers? P.S. Recently, I've gone through the ordeal with HP. They were nice and professional about it, but root cause was not established, and the HP machine still is less than 100%, giving me a blue screen of death once in a couple of months. Here's what quick web-searching turns up: http://www.sevenforums.com/bsod-help-support/35427-win-7-clock-interrupt-bsod-101-error.html#post356791 It appears Dell has addressed the above issue by clocking PCIe bus down to 5GT/sec in A03 BIOS. My disk controllers support PCIe 3.0, meaning that I would have to re-validate stability. Early testing shows improvements. Further testing shows significant decrease in performance on each of the x16 slots with Dell R7610 with A03 BIOS. But now it's running stable. HP machine has received a microcode update in September 2013 SUM (July BIOS) that makes it stable.

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  • Autounmounting USB keys with FAT filesystem on Linux (RHEL5)

    - by niXar
    For security reasons, I have two workstations i front of me, and I can only transfer data between them through a USB key. As you can imagine, it can get quickly tiresome, but the most annoying is having to unmount the things before removing them. Not umounting them results in missing files most of the time, even if I remove them a while after having last written to them. Now, since they're only used for transferring smallish files, and each are basically written once and read once, I don't need the fancy pansy caching infrastructure that makes clean unmounting a necessary step. And since the data is always a copy of something I have at hand, I don't care if the filesystem croaks from time to time. But anyway the system doesn't need to force that on me, it could simply make sure everything is committed with a second, and works synchronously. Then when I remove the key, nothing is lost. Is there a way to do this? I would appreciate any other tips on handling this situation. Edit: it appears the situation has changed between RHEL5 and Fedora up to F11 on one hand, and F12 on the other. The latter use DeviceKit-disk, and I haven't quite figured out how to do this. The method provided below in gconf does not work anymore.

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  • How do I prevent my ASP .NET site from continually prompting for user credentials?

    - by gilles27
    I'm trying to get an ASP .NET website up and running on IIS6. The site will run in its own application pool, and uses Windows authentication, with anonymous access turned off. When I run the app pool under NETWORK SERVICE, everything works fine. However we need the app pool to run under a different account, because this account needs some extra privileges (we are printing Word documents). This new account is a member of the local users group, and the IIS_WPG group. It has also been granted the "Log on as a service right". When I browse to the site I am prompted for credentials, not once, but several times. When the page finally loads it looks wrong because the style sheets have not been applied. My suspicion is that I am being prompted once for each file (e.g. all the images, styles and script files) the browser requests, and that for some reason the website is unable to validate those credentials in order to serve the files back. If I allow anonymous access the page loads fine - we don't want to allow it but I mention it in case it offers any further clues. My theory is that perhaps the account the app pool runs under needs permissions to validate domain credentials? If that is so, how do I enable this?

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  • 7zip many files from different folders?

    - by mafutrct
    I would like to add a large number of files with different names from different folders to a single 7zip archive using 7za.exe. This should be simple, but it turned out to be a major pain. I created a file that contains the paths (7za -a @list.txt) but once there are too many (~100) files, it fails. Apparently the content of the argument file is pushed onto the command line buffer, which is far too small (the number of files to add is 1m). Splitting the process up by adding the files one by one is not feasible due to the way 7za works: When adding the next file, it creates a copy of the archive, adds the file to the copy and finally replaces the original. This is terribly slow once the archive gets to a couple 100MB in size. So far I am using a combination of the two approaches by adding a dozen files each time in a loop, but it is an unreliable hack and still very slow. Is there a better way to do it? I tried to use 7zip wrapper DLLs (I'm a C# programmer), but none of them worked reliably and I was repeatedly suggested to just use 7za instead.

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  • New SBS 2011 installation (not migration) in an existing 2008 R2 domain

    - by Tong Wang
    My current network setup has two servers: a Windows 2008 R2 with TMG 2010 as edge firewall (TMG server), a second 2008 R2 with DC, DNS and Hyper-V roles (DCDNS server). I was trying to install SBS 2011 as a child partition on DCDNS, first I installed SBS 2011 in English and did the migration successfully. However, later on, I found that I can't change the display language in SBS 2011 once it's installed (but the clients require a different language), so I had to re-install the SBS in a different language. It is during the re-installation that the problem came up: the migration can't be completed with some error message stating "can't access the source server". I re-ran the migration preparation tool, but it didn't make any difference. I wonder if it's because the source server can only be "migrated" once. Since I only need to setup a handful of users and computers, so I decided to do a new install of SBS and picked a different domain name. But I can't get the SBS to connect to LAN: it can't ping other servers, neither can other servers ping the SBS server. I've tried to stop the DC/DNS services on DCDNS and restart SBS, but with no difference. Anyone has idea how to fix this problem?

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  • Mac OS X in Virtualbox says "You need to restart your computer"

    - by humoeba
    I've been trying to figure out for the past week how to get Snow Leopard reliably running in a VM. Right now I am using VirtualBox, and it runs fine for a while, but every once in a while (happened 3 times in the last few hours) I get the "You need to restart your computer" message. Unfortunately, it hasn't even lasted long enough to finish installing the operating system yet. I first tried VMWare, which was a pain to set up. I got it running ok, operating system installed, with the guest tools. Every once in a while though, it just stops running. I click inside the VM, and there's no mouse. It doesn't respond to keyboard input either. I have to reset the VM to get a response. I'm wondering if this is the same error. This happens with both Workstation and Player. Here is the tutorial I used for VirtualBox: http://www.sysprobs.com/iboot-loader-virtualbox-install-snow-leopard Here's the tutorial I used for VMWare: http://bobhood.wordpress.com/2009/12/18/welcome-to-snow-leopard-mac-os-x-10-6-and-vmware-workstation-7/ I'm using an iso for Mac OS X 10.6.3. I have an HP Pavilion dm4 with an Intel Core i7 M640 running Windows 7; VT is turned on. Using VirtualBox 4.0.4 and VMWare Workstation 7.0.1 and VMWare Player 3.0.1 Does anyone know what might be causing this error or how I can fix it? Thanks.

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  • Windows Server 2008 - RAID 5 Fails on Reboot

    - by Adam
    Hey, I've got an install of Windows Server 2008 Enterprise. It's running software RAID-5 with five disks. The disks were originally formatted under Windows Server 2003, but came up fine once I installed Windows Server 2008. The issue I'm having is that every time I reboot the server, the RAID comes up with a "Failed Redundancy" - the data stays available. I have 4 disks on a PCI SATA controller, and one of the disks connected to the motherboard's on-board SATA ports. (The other on-board port has the system disk connected.) I was having Disk #4 fail consistently, so I tried swapping the cables on the controller end. I swapped the on-board RAID disk with one on the PCI controller. Same issue now, expect with disk #1. Once the system's up, I can reactivate the RAID, it will resync for a while, then go to "Healthy", and will stay that way for an indefinite amount of time - until I reboot. As soon as I reboot, the disk drops again. I've ruled out disk + cable with the recabling. I don't believe it would be the controller as it seems to work fine most of the time - only failing on reboot, and the other port on the same controller connects the system disk - which is clearly working. I did look in the event log, but didn't see anything particularly relevant (although I didn't know what I was looking for - just looked for anything with a "Warning" or "Error" symbol that looked disk-related :)). I'm not particularly familiar with RAID on Windows, does anyone have any idea why this might be doing this? Any idea how to fix it? Any suggestions appreciated! -- Adam

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  • Wireless card overheating?

    - by Sidney
    Ok, so I've had my laptop for several years (I wanna say 4, but possibly more), it's a Toshiba Satellite. I'm running Linux mint 15, and am having a strange new issue, after several hours of running my wireless stops. It can SEE wireless networks, but refuses to connect to any of them. (On a sidenote, connecting to a router with a cable at this point works fine) The fact that it can SEE the networks make me think the card is in good condition, and it's software related The fact that it works for several hours before booting me makes me think perhaps the transmitter is getting too hot. I don't use my laptop in dusty environments, and keep it on an elevated surface (alternatively, I actively try not to let it sit on soft surfaces where the vents get covered). I spray out the cpu fan about once a year with compressed air about once a year, so I really don't think the insides should be too dirty. Finally, unfortunately, sensors only gives me CPU temps, but they run about 40-50 degrees C, which from my understanding is perfectly normal for an I3. Does anyone have any suggestions on what I can do to determine the root cause of this?

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  • Task scheduled to wake laptop - only works when lid is open

    - by JD Pack
    I am running Windows 7 Starter on an Acer Aspire One laptop. I want my laptop to automatically run a task (backup the HDD to a network drive) once a week in the middle of the night. I scheduled the task in "Task Scheduler" and checked the box to wake the computer to run the task. I also changed the advanced power settings to allow wake timers. This was half of the solution. It now works flawlessly when the lid is open... the computer can wake itself up from either sleep or hibernate mode to perform the backup. When the lid is closed however, its sleeping beauty. Any ideas? I don't want to have to remember to open the lid once a week. It sort of defeats the purpose of an "automatic" backup. Update: I discovered that it can wake from sleep (or hybrid sleep), but not from hibernate when the lid is closed. This is good news. I'd still be curious about how to get it to work from hibernate, but I'm pretty happy about waking from sleep at least.

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  • How to verify TRIM/discard on encrypted swap?

    - by svarni
    I am using an encrypted swap partition via ecryptfs-setup-swap on my Ubuntu 13.04 computer using a SSD. I have manually set up trim for my ext4 root partition (simply by adding the "discard" option in /etc/fstab). I also manually ran fstrim on the root partition prior to booting and using dstat I saw that for a few seconds several GB/s of data have been written to the disk. That was presumably the effect of the trim command. These high writerates are reproducable by deleting huge files and have not occured before setting up trim, so I take them as evidence for working trim/discard. Manually enabling trim on my root partition has stopped the wearout of my precious new disk from 365 used reserved blocks (out of 6176 total) within three months down to 0 additional used reserved blocks within three additional months (data from SMART attributes). Because I want to minimize the wearout of my SSD I now would like to know whether my swap partition (which is encrypted using ecryptfs-setup-swap) also makes use of the trim/discard option. I tried sudo swapon -d -v /dev/mapper/cryptswap1 but did not receive particular information ("-v") about whether trim/discard ("-d") was applied. If unsupported, i would expect a message. Then I tried sudo dd if=/dev/sda6 count=1 BS=1M | xxd | less directly after booting and when no swapspace was used but I saw not only zeroes. I assume, when looking at freshly trimmed regions, the disk would send zeroes instead of reading random sectors (and according to some forums, (unencrypted) swap space is trimmed once upon boot). Long story short: Are there any ideas on how to test if trim is effectively used for my encrypted swap? And if not, any ideas on how to - at least manually, for once - trim the whole swap space? I wouldn't want to tinker with the partition itself, because I dont know if it needs to be reinitialized as (encrypted) swap - I dont want to be left with an unbootable system :)

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  • How long will a "safely stored" Solid-State-Drive (SSD) keep its data? (e.g. bank safety-deposit box)

    - by user31575
    Here's my usecase: once-and-only-once copy off photos/videos to an internal SATA Solid State Drive (SSD) put this drive in a well-ventilated, air-conditioned bank "safety deposit box" for safe keeping The question: How long can I safely store a solid-state-drive in such an environment? i.e. 0% bitrot, 100% success when "plugged in" Are some SSD drives more reliable than other for this usecase? (e.g. smaller size vs larger size, SLC vs MLC, different brands, etc) More fodder: I have read that solid state memory cards (e..g compactflash, or sd cards) have much longer durability than other media (DVD's, CD's, hard drives) for this usecase (guaranteed against bitrot/other dysfunction on the order of ~ a decades vs a year ). I don't know if this applies to "SSD hard drives". Copying to one 500Gb ssd vs 8 64gb flash drives is easier SSD SATA hard drives have no moving parts, but they have more "visible electronics" than a compact flash card. I don't know if this "visible electronics" can fail, i.e. in contr I know many will point to carbonite, other cloud backup stuff, but I like the simplicity of having physical copies and wanted to understand the risks/implications thanks,

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  • dell latitude XT touch screen issue

    - by Jake
    yesterday I installed windows 7 ultimate after I had the enterprise version on this machine for a few months. the installation went smoothly and everything worked fine except for the finger detection of the screen(only the pen worked) and the bottom screen buttons for rotating and so. so I started to install all the missing drivers dell recommends for this model on their site, but once I tried to install N-Trig degitizer driver the installation said it was unsuccessful and since then the touch stopped working completely! I tried system restore but it didn't help so I went on and formatted the harddisk completely once again and installed windows but that didn't work either. I tried to install the N-Trig's driver but it was alarting for a fatal error and said that no device was detected. same story with N-Trig rollback. so I checked the device manager and saw an "unknown device" with VID and PID values set as 0000. I figured the N-Trig driver might have messed with the device firmware or something and now it doesnt know it's ID and munufactor... Is there anything that can be done? like forcing the N-Trig driver to install on this device or something? please help!

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  • 2008 SR2 Server Starts Then Fails to Initialize DNS

    - by ThaKidd
    Got a weird situation going on. Background: Just transferred Active Directory from a 2003 Server to 2008 SR2. Removed the 2003 server from AD but I have not upgraded Active Directory to 08 only yet. After the transition a problem started. Whenever I reboot the server and I log in, the DNS server is "stopping". After a few minutes it finishes and I can restart start it at that point. Once it is restarted, all services come up. Now I did try to install HyperV (this is a dev server btw). Once the reboot for HyperV, everything was screwed as in I could not ping anything. Uninstalled and had the DNS server issue. Screwed with IPv6 settings (which I am not using) and problem was resolved for a bit. Also installed an Intel Pro1000 card and had a bit of success with DNS; then it failed. Weird thing is, outside of an error in syslog stating that the DNS server failed to start, there is no specific error that is generated in either System or DNS Server logs. Ideas are much appreciated! Thanks in advance.

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  • Getting old bluetooth headset out of standby on Windows 7

    - by luagh45
    I think this is the problem, and if not, I'm open to suggestions. I have an old Jabra BT200 that I used to use on my phone. When a phone call was coming in it would beep using its own noises (meaning the phone never rang inside the headset) and then I could push the 'answer/hang up' button and sound and mic would start working. I have now paired it with Windows 7, and it looks good. Under the playback menu I have 'Bluetooth Hands free Audio / Jabra BT200 (Mono Audio) / Ready', and under the recording menu I have 'Bluetooth Audio Input Device / Jabra BT200 (Mono Audio) / Ready'. However when I try to test the speakers Windows sends a sound, but I never hear it, and when I talk in the mic, Windows never hears me. If I right click either the Bluetooth mic or speakers there's an option to 'Connect', but it's grayed out and I cannot click it. As the final piece of knowledge I have, my headset blinks once every 3 seconds when it's in standby and I can't get that to change. If everything was working it should blink once every second at which point I think all of my problems would be fixed. Hence my issue: I can't seem to get my headset out of standby. On my headset I've tried sending it test noises and then pressing the 'Answer' button, but still nothing. The headset beeps when I press it, so it works, it just doesn't ever come out of standby. Is there maybe some way to trick my headset into thinking it's getting a phone call from my computer?

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  • 7-Zip many files from different folders?

    - by mafutrct
    I would like to add a large number of files with different names from different folders to a single 7-Zip archive using 7za.exe. This should be simple, but it turned out to be a major pain. I created a file that contains the paths (7za a out.7z @list.txt), but once there are too many (~100) files, it fails. Apparently the content of the argument file is pushed onto the command line buffer [Edit: This was likely a misinformation on my part, either way it was not the reason], which is far too small (the number of files to add is more than one million). Splitting the process up by adding the files one by one is not feasible due to the way 7za works: When adding the next file, it creates a copy of the archive, adds the file to the copy and finally replaces the original. This is terribly slow once the archive gets to a couple 100 MB in size. So far I am using a combination of the two approaches by adding a dozen files each time in a loop, but it is an unreliable hack and still very slow. Is there a better way to do it? I tried to use 7-Zip wrapper DLLs (I'm a C# programmer), but none of them worked reliably and I was repeatedly suggested to just use 7za instead.

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