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• Zimbra ZCS 7.2.1 MTA Deferring e-mail

  - by user139181

  Zimbra 7.1.2 and the MTA seems to be deferring e-mail when it is received. Oct 1 09:35:42 www postfix/error[16614]: 5FB8C1A803EE: to=<[email protected]>, relay=none, delay=0.15, delays=0.08/0.01/0/0.06, dsn=4.4.1, status=deferred (delivery temporarily suspended: connect to thedigiologygroup.org[75.149.56.27]:7025: Connection timed out) I can telnet to both 25 and 7025. I do get a $ telnet thedigiologygroup.org 25 Trying 75.149.56.27... Connected to thedigiologygroup.org. Escape character is '^]'. 220 thedigiologygroup.org ESMTP Postfix 500 5.5.2 Error: bad syntax 500 5.5.2 Error: bad syntax` I dont see email in the inbox obviously and I am not sure how to troubleshoot what is going on. Nothing DNS has changed. This box has been running for a year Zimbra was removed and re-installed after trying to upgrade to ZCS-8 with no luck.

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• Recommendations for a JetDirect print server for USB 2.0 printers?

  - by eleven81

  I have been using some older HP JetDirect 300x print servers for a variety of parallel printers over the years. These things work great for every printer I have tried them with, including HP's, Dell's, and even a Mountbatten braille embosser! These have been a boon for printers whose internal network cards fail, but whose parallel ports continue working. I don't have to throw away the $500 printer that is one year and a week old, and can keep using it for many, many years. Now that very few printers are coming with parallel ports, but are coming solely with USB connections and network cards. When the network card fails but the printer is still usable, I want to continue using it on the network with a JetDirect card. In summary: Does anyone have any recommendations for JetDirect cards that will work as well with USB 2.0 printers of unspecified manufacturer that my old JetDirect 300x cards do?

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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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• OpenSuSE 11 iscsi target: HFS+ partition not seen by clients

  - by radiopaque

  I have an openSuSE machine as a file server, which has an Areca 1880i inside. It contains several partitions. There is a dm-0 and a dm-1 partition, for example. The partitions are formatted as EFI system partitions, with HFS+ file systems. My opensuse could not read them but the iscsitarget exported them for my Macs. This worked for more than a year. For some reason now, after some network problems which were "solved", my dm-0 partition is not seen anymore! I suspect it is a problem on the iscsi target side, i.e. the OpenSuSE machine. Can anyone suggest what I should look into? Any logs, any settings on the linux machine? None of my macs can access the partition, and they use different client software!! Thanks!

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• MSDCS zone missing

  - by hyp

  I seem to have an issue with our AD/DNS, the structure looks like: but the BPA gives me an error: Issue: The Active Directory integrated DNS zone _msdcs.<domain> was not found. Impact: DNS queries for the Active Directory integrated zone _msdcs.<domain> might fail. Resolution: Restore the Active Directory integrated DNS zone _msdcs.<domain> Now we've got 4 DC's in total: 2 running Server 2008 R2, 2 running Server 2003. The older ones will be retired sometime this year. Actually everything seems to be working ok (if something isn't then we don't know about it), we've got quite a few .NET applications authenticating against AD, no DNS issues from what I can tell and various bits on the network point to all 4 controllers. Furthermore a dcdiag /dnsall comes up with all passes. Is this something I should be worried about?

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• Microsoft Office- I purchased it but it is telling me that my license has been used too many times.

  - by Lee Carlton

  I purchased a copy of Microsoft Office Student Edition last year. My computer's hard drive crashed which meant that I had to reinstall the software and use the serial code again. It is now telling me though that the number of uses has been exceeded. Is there a way to tell Microsoft that I'm trying to validate on the same machine that I was already operating on? I really don't want to have to purchase it again to run on the same machine that it was already running on.

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• How does the build quality of laptops compare?

  - by pgwillia

  I'm looking to replace my 5 year old laptop. I want my next laptop to endure at least this long. I typically have Thunderbird, Firefox, Eclipse Java IDE, Skype, a ssh session, and Apache Tomcat running. I'm currently running Karmic Ubuntu, but am agnostic about operating system and would move to Win 7 or OS X. I frequently travel with this computer. I also value battery longevity and power conservation (if possible). Above all I'm looking to minimize cost. I think the hardware that best meets my needs is an Intel i7 processor, 8 GB RAM, 100GB @7200 rpm or SSD hardrive, and about 15 inch monitor. These specs are met by most brands. Does anyone know specific pros/cons and build quality for Macbook Pro, Lenovo Thinkpad (W510 or T510), Sony's VPC-F1190, and ASUS G Series G73JH-X1 NoteBook? Are all i7 processors created equal? Do you have other suggestion that meet my needs?

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• Why doesn't Linode ever have to shut down for updates?

  - by Tom Marthenal

  I've been using Linode for over a year now, and, unlike some lesser-known VPS hosts I've used, I've never been required to shut down my VPS by Linode. The only restarts have been ones I've initiated. How do they go for years on end without requiring restarts and with no downtime? Isn't downtime inevitable when upgrading some parts of the host system? Do they simply perform as few updates as possible? This isn't meant to be a Linode-specific question; I am only using them as an example because I have experience with them.

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• Boot Camp fails to create a Windows partition because it can't move files

  - by Jens Bannmann

  I'm running Mac OS X 10.6 (Snow Leopard) on a mac with a 320 GB drive, 167GB free space, and I can't get Boot Camp running. The wizard starts creating the Windows partition, but fails with a message claiming it cannot move some files. The message suggests to back up my hard disk, reformat it, restore my files, and re-run Boot Camp wizard. The problem is: Though I do have backups (Time Machine), I don't feel like formatting my hard disk right now :-) I found a thread in some forum discussing this problem. The suggestion was to defragment my volume with iDefrag, and lots of people claimed that solved the issue. So I went ahead and got iDefrag 1.7.1, created a bootable DVD and chose the "compact" setting recommended before partitioning - but still no luck with Boot Camp! So how do I get this working? Fun note: last year, I briefly set up Boot Camp with 10.5, and it worked perfectly. Probably I did not use that much hard disk space back then...

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• Num Lock of laptop working strangely [Dell Vostro 1710]

  - by Bakhtiyor

  My laptop model is Dell Vostro 17" and it has numeric keypad. The problem is that its Num Lock key works very strange. Sometimes when I press it the information led of Num Lock activates, but sometimes when I try to activate numeric keypad it refuses and this led doesn't activate and therefore numeric keypad doesn't work at all. Does it mean that I need to change my keyboard at all? In addition Esc key doesn't work for a long time. I think the main reason for that is my son (2year old) who started playing with my laptop from his 1st year. If I need to change the keyboard where can I buy it for a good price, because in Dell I think when I called them 2-3 months ago they offered me keyboard for about more then 50Euros. Currently I live in Spain. Thanks.

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• Zero-channel RAID for High Performance MySQL Server (IBM ServeRAID 8k) : Any Experience/Recommendation?

  - by prs563

  We are getting this IBM rack mount server and it has this IBM ServeRAID8k storage controller with Zero-Channel RAID and 256MB battery backed cache. It can support RAID 10 which we need for our high performance MySQL server which will have 4 x 15000K RPM 300GB SAS HDD. This is mission-critical and we want as much bandwidth and performance. Is this a good card or should we replace with another IBM RAID card? IBM ServeRAID 8k SAS Controller option provides 256 MB of battery backed 533 MHz DDR2 standard power memory in a fixed mounting arrangement. The device attaches directly to IBM planar which can provide full RAID capability. Manufacturer IBM Manufacturer Part # 25R8064 Cost Central Item # 10025907 Product Description IBM ServeRAID 8k SAS - Storage controller (zero-channel RAID) - RAID 0, 1, 5, 6, 10, 1E Device Type Storage controller (zero-channel RAID) - plug-in module Buffer Size 256 MB Supported Devices Disk array (RAID) Max Storage Devices Qty 8 RAID Level RAID 0, RAID 1, RAID 5, RAID 6, RAID 10, RAID 1E Manufacturer Warranty 1 year warranty

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• Best Performing Remote Desktop Software for WAN

  - by Dave

  I've been tasked with connecting a computer in one of our branches in the midlands to one in south wales. We have been using windows remote desktop but find it too slow. The ADSL on the computer were connecting to is about 6Mb Download and 470Kb Upload so not majorly fast. That connection is also shared with about 10 other internet users. I'm trying to find out if the is any remote desktopn connecting software that performs better than the microsoft remote desktop software. Or, would i be better using a KVM over IP? I've looked into connecting the offices through BT's fiber optic but at £21k a year rental were trying to find a cheaper solution! Any help would be great. Thanks, Dave,

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• Windows 7 Locks Up or Blue Screens after installing additional hard drive

  - by Ryan

  I've had my home theater pc for over a year now and it's been running with no problems what so ever. I got myself a new Seagate 2 TB hard drive for the holidays and ever since installing it the pc now randomly locks up or blue screens either upon putting it to sleep or waking it from sleep. The only thing I've tried so far is updating the firmware on the hard drive. The hard drive in question is this one (http://www.tigerdirect.com/applications/SearchTools/item-details.asp?EdpNo=4846365). I do have my minidump file saved off on my home theater pc however right now I'm at work and don't have access to it. Please help! Thank you!

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• How to check for bottlenecks in Windows Server 2008 R2

  - by Phil Koury

  I recently switched out a 10 year old server for a brand new server in a small office and upgraded from Windows Server 2000 to Windows Server 2008 R2. After the switch was complete and some configurations were changed around we are running into what appear to be some bottlenecks in the network speed. Accessing programs on the server is slower (resulting in long loading times, slower report generation, etc.) than it was on the old server hardware. I am wondering what options or tools I have, if there are any at all, to find out exactly where these hang ups might be coming from.

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• Excel: making line charts so the line goes through all data points

  - by Mike

  Hi I've got data based on over 50+ years for various products. Unfortunately not all products have data for each year. I've created a line chart to show the movement (quantity sold) of these products over the years. It works well, except where the data points are too far apart i.e. 1965 and then 1975. For some reason there is no line. It's not perfect data because of the missing years, but I can live with that, I just want to see the trend, and not just sporadic dots; squares or crosses. Any help or links greatly appreciated. Mike

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• Macbook start's up but is unresponsive

  - by Theo Holden

  I have a original Macbook, which I bought second hand last year, up until recently it had been working fine, I had had to upgrade the ram to 4gb and buy a new battery but had no other issues. Recently when I have turned my Macbook on it boots up fine however it is completely unresponsive after loading everything for several minutes. I can move the mouse around the screen but cannot selective anything with the cursor nor do any of the function keys or keyboard shortcuts work. After several minutes however everything works fine, this is rather inconvenient as I would prefer to not have to wait five minutes after turning my Macbook on before I can use it. I was wondering what might cause this temporary unresponsiveness and if there was a way I could fix the problem?

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• Refering to another field in a form and return entries based on the filed

  - by Claus Machholdt

  Structure of DB is: Org_Year(Table) ID Org_Name_ID Org_Year Ft(Table) ID Org_Year_ID Count Org_Name(Table) ID Org_Name I've created a form to input data into Ft. Form has reference to Org_name. I should be able to choose between different org first. Afterwards i want to choose which year to enter data into Ft for. I only want to be presented with a list of Years according to the entries in the Org_Year table, where org matches my selection in the dropdown above. The query to populate the select box (Org_year_Box) is: SELECT Org_Year FROM Org_Year WHERE Org_Name_ID=Organisation_Name_ID.value; I't doesn't return the Years for the given Org_id when using the above query. But if i replace "Organisation_Name_ID.value" with the actual value ie. "2" it returns the correct years. How to do?

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• Why can't I create an Alias Resource Record Set for an EC2 instance

  - by praterade

  I have been working with AWS for over a year, setting up EC2 instances, domains, ELBs, etc. When I want to assign a subdomain to an EC2 instance, I have to create an elastic IP (that I pay for), then assign a CNAME record to that elastic IP. When I want to assign a subdomain to an ELB (load balancer) instance, I just create an alias resource record set to the ELB. I've read over the docs and don't understand why AWS doesn't support aliasing to instances. Am I missing a key concept here? Wouldn't it be simpler to just alias EC2 instances and skip the whole elastic IP bit?

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• Laptop abruptly powers off after few seconds of booting

  - by Alan Mendelevich

  I have a 3 year old HP Pavilion dv2208 laptop. Recently it started abruptly powering off in like ~20-30 seconds into Windows boot sequence after almost every reboot/shutdown. Even if I leave it in Repair/Start Windows Normally stage it powers off anyway. The only way I managed to workaround this is to enter BIOS setup screen and leave it on for no less than 10 minutes. I don't know what happens there but this helps every time. Any ideas of possible ways to fix this that don't include replacing motherboard are highly appreciated. P.S.: I've tried resetting BIOS to defaults, updating to the latest BIOS version, etc. Happens with both Vista and Windows 7.

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• How to estimate a server specifications for this particular system? [on hold]

  - by Alvaro Fallas

  I'm working in a college project and I'm supposed to specify the server's hardware to hold a system. The system is some kind of social network. And it is supposed to hold around 100 000 users the first year, also the system must be able to handle 1000 users working at the same time. It is the first time I'm asked to do something like this, so I hope you can give me a hand and help me because I feel a little lost. The system's data base is Mysql. I found some server configurations offered by Amazon Web Services, but I don't know which of them is the better for my system due to lack of experience Hope you can help me.

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• Is there any way to access the mp3 or other file type tags from within an ipod touch/iphone?

  - by quixotic1

  I am just looking for an existing app that will let me read all the tags that are stored in a particular song on my ipod touch/iphone. I'm not much of a programmer, but would be willing to learn the iphone sdk (on windows) if I could build a program that would do this for me. I would love to be able to modify the tag while on the iphone, but just viewing them would be a great use to me. I'd like to read the Year tag, the comments tag, composer, etc. It's so annoying that I can't do this. Or can I already and I just don't know how. Yes, I know how to view the lyrics tag. Seems they could have included the other tags. Help please? Thanks, Dave

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• store image installation error in UEC

  - by selvakumar

  to my college final year project we planned to setup the private cloud on the two machines. I recently installed Ubuntu Enterprise Cloud (UEC) on two of my machines . I was trying to install the store image through WebUI. I was able to download Ubuntu 10.04 - (i386) image but while installing, it's giving me following error: - Command 'euca-upload-bundle' returned status code 1: Checking bucket: image-store-1296600766 Traceback (most recent call last): File "/usr/bin/euca-upload-bundle", line 231, in main() File "/usr/bin/euca-upload-bundle", line 214, in main bucket_instance = ensure_bucket(conn, bucket, canned_acl) File "/usr/bin/euca-upload-bundle", line 87, in ensure_bucket bucket_instance = connection.get_bucket(bucket) File "/usr/lib/pymodules/python2.6/boto/s3/connection.py", line 275, in get_bucket rs = bucket.get_all_keys(headers, maxkeys=0) File "/usr/lib/pymodules/python2.6/boto/s3/bucket.py", line 204, in get_all_keys headers=headers, query_args=s) File "/usr/lib/pymodules/python2.6/boto/s3/connection.py", line 342, in make_request data, host, auth_path, sender) File "/usr/lib/pymodules/python2.6/boto/connection.py", line 459, in make_request return self._mexe(method, path, data, headers, host, sender) File "/usr/lib/pymodules/python2.6/boto/connection.py", line 437, in _mexe raise e socket.error: [Errno 110] Connection timed out could anyone please help me?

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• McAfee VirusScan Enterprise or avast! Free?

  - by Pieter

  I currently have McAfee VirusScan Enterprise on my computer. This was preinstalled on my PC. (My university did a bulk laptop purchase so I got a sweet deal on my laptop. McAfee was one of the extras that were included.) Apparently, it's getting bad ratings from sites such as Virus Bulletin and AV-Test. Am I better off with avast's free antivirus? Is it worth considering avast! Internet Security? I currently have a three-year license for VirusScan Enterprise. I keep my software up to date using Secunia PSI and I don't click on any suspicious links.

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• HP Officejet 6000 E609n unexpectedly goes offline

  - by Sajee

  My local library has a number of Windows Vista SP1 PCs connected to two HP Officejet 6000 E609n wireless printers. Each PC can print to either of the two printers and one of the two printers is the default on each PC. This configuration has worked well over the last year w/o any trouble. Recently, the library staff is reporting that sometimes when patrons try to print, they can't. Closer inspection shows that the the default wireless printer is offline. In order to get the printer online again, the printer has to be restarted. In Control Panel Printers applet, under the Printer menu, the "Use Printer Offline" option is grayed out and there's no way to bring the printer back online w/o restarting it. Does anyone know what's going on here?

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• Automatic Excel Script

  - by Thomas

  I am a 6th year medical student and I'm working on my thesis. I have no experience with programming whatsoever, a friend recommended me to post my question here. I am strugling with the following problem: I have data of 400 patients, stored in 400 different excel files. Each file contains 34 columns in a specific order, let's say A to Z. The order is the same in each of these 400 files. Now I need to a make a new excel document that contains the first column of each patient. So I need all the first columns of my 400 different excel files, lined up next to each other in a new document. Preferebally in the form of a automatic script. After that I want to do the exact same thing but for the second column, then the third and so on. This is probably a problem that has already been solved. Otherwise could someone help me out? You have my thanks!

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