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• Unmanaged Network Switch vs Managed Network Switch

  - by David

  Currently I have an unmanaged POE switch connected to a Linksys router. I am thinking of upgrading my POE switch to a gigabit POE switch, the only problem is that the switch that I want to get is a managed switch. So here's my question: with a managed switch, can I still connect all of my devices to it and have the devices request IP addresses from the DHCP server within the Linksys router or will the devices request IPs from the managed switch since I believe the switch has its own DHCP server as well?

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• What differences are there between an official Ubuntu AMI image and a base install from an ISO?

  - by David Winter

  When creating a new instance on AWS using an official Ubuntu 12.04 server AMI, what differences are there compared to if I was to do a standard server install on a computer of my own? For example, the default user is 'ubuntu'. An SSH public key is added to that users authorized_keys file. Sudo is passwordless for that user. PasswordAuthentication is disabled for SSH. etc etc. Configurations have been changed from their defaults, and I'd like to know if there is a list, or somewhere I could find out the modifications made.

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• How do I set or remove a Windows SMB password?

  - by David Is Not Here

  I recently purchased a computer with the intention of using it as network-attached storage. It presently has no Windows password and only one account. Can I create two different shares (share two different folders) in different ways -- make one publicly accessible, and make another only visible to people with a certain username/password combination? Creating multiple users isn't a problem, I just can't figure out where to start within Windows.

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• "must issue a starttls command first" when MSSQL emails via Microsoft Online

  - by David

  I have written a stored procedure in MSSQL Server 2008 R2 which sends emails when my Application logs errors. It works fine on servers at our office but when I ran it on our remote servers I got must issue a starttls command first So maybe there is a setting somewhere which is different between the two servers, and that's why it's working on one and not the other. How do I set the server so that it issues a "starttls commaned first"?

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• Do these 3 crashes have something in common?

  - by David U

  I'm running OS X 10.6.8 on a Mac Mini. I tried to install 3 applications today and all 3 installations failed. I am wondering if the failures have something in common. First I installed GraphViz. The installation succeeded, but when I try to open any .dot file, I get a dialog that says GraphViz has quit unexpectedly. Next I installed Doxygen. It installed, but when I try to launch it I get a dialog that tells me Doxywizard quit unexpectedly. After some googling I thought perhaps my system lacked QT, and that was the problem. I downloaded the Qt 4.8.4 packages and installed them. But when I try to launch qtdemo.app, or any of the other apps that came with the qt installation, I get a dialog that says I can't open the app because it's not supported on this type of Mac. I have crash logs from GraphViz and Doxygen. They're long and I think it unnecessary to post them unless they would help someone determine my problem. Thanks Excerpt from System Log, added later: 12/13/12 5:26:21 PM [0x0-0x4f04f].com.apple.DiskImageMounter[1322] 2012-12-13 17:26:21.927 DiskImages UI Agent[1333:903] *** -[NSMachPort handlePortMessage:]: dropping incoming DO message because the connection or ports are invalid 12/13/12 5:30:31 PM [0x0-0x1a01a].org.mozilla.firefox[824] [ConvConfHandler] isPreferred contentType: application/x-apple-diskimage 12/13/12 5:35:32 PM DiskImages UI Agent[1384] *** -[NSMachPort handlePortMessage:]: dropping incoming DO message because the connection or ports are invalid 12/13/12 5:35:32 PM [0x0-0x5a05a].com.apple.DiskImageMounter[1376] 2012-12-13 17:35:32.988 DiskImages UI Agent[1384:903] *** -[NSMachPort handlePortMessage:]: dropping incoming DO message because the connection or ports are invalid 12/13/12 6:07:33 PM DisplayLinkUserAgent[772] (00116500.405)-[DLDistributedNotificationCenter stream:handleEvent:] reconnected. 12/13/12 6:07:33 PM [0x0-0x6c06c].backupd-helper[1446] Not starting Time Machine backup after wake - less than 60 minutes since last backup completed. 12/13/12 6:08:43 PM Installer[1403] PackageKit: *** Missing bundle identifier: /Library/Receipts/BrotherPPD.pkg 12/13/12 6:08:48 PM Installer[1403] PackageKit: *** Missing bundle identifier: /Library/Receipts/NeoOffice-2.2.3-Intel.pkg 12/13/12 6:08:48 PM Installer[1403] PackageKit: *** Missing bundle identifier: /Library/Receipts/NeoOffice-2.2.3-Patch-2-Intel.pkg 12/13/12 6:08:48 PM Installer[1403] PackageKit: *** Missing bundle identifier: /Library/Receipts/NeoOffice-2.2.5-Intel.pkg 12/13/12 6:08:48 PM Installer[1403] PackageKit: *** Missing bundle identifier: /Library/Receipts/NeoOffice.pkg 12/13/12 6:08:48 PM Installer[1403] PackageKit: *** Missing bundle identifier: /Library/Receipts/PIXMA iP6000D 290.pkg 12/13/12 6:14:39 PM com.apple.launchd.peruser.501[359] ([0x0-0x70070].com.att.graphviz[2047]) Job appears to have crashed: Bus error 12/13/12 6:14:41 PM ReportCrash[2056] Saved crash report for Graphviz[2047] version 2.28 (2.28.0) to /Users/duzzell/Library/Logs/DiagnosticReports/Graphviz_2012-12-13-181441_Amun.crash 12/13/12 6:15:19 PM com.apple.launchd.peruser.501[359] ([0x0-0x74074].org.doxygen[2070]) Job appears to have crashed: Bus error 12/13/12 6:15:19 PM ReportCrash[2056] Saved crash report for Doxywizard[2070] version 1.8.2 (???) to /Users/duzzell/Library/Logs/DiagnosticReports/Doxywizard_2012-12-13-181519_Amun.crash

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• Moving data to lower sectors on an SSD without defragging

  - by David Freitag

  I bought an Intel SSD drive a while back and now I want to dual-boot with it. But for some reason there are sectors near the end of the drive filled and I can’t seem to find a way to remove the data so that I can safely shrink the partition. I know I have sectors near the end full because I am using Defraggler to analyze my drive (not to defrag it). I can see what files need to be moved/deleted but short of actually deleting some drivers and/or other necessary files, I am completely stuck. This the diskmap: I am only able to shave off that last 1.72GB of space from the drive which isn’t even enough for the most minimal Linux install.

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• Uneven Cassandra load

  - by David Keen

  Should a three node Cassandra cluster with a replication factor of 3 have the same load value for all three nodes? We are using a random partitioner and NetworkTopologyStrategy. Nodetool ring shows equal values for "Owns" but unequal values for "Load". Load Owns Token 113427455640312821154458202477256070484 16.53 GB 33.33% 0 14.8 GB 33.33% 56713727820156410577229101238628035242 15.65 GB 33.33% 113427455640312821154458202477256070484 Running nodetool repair and cleanup on each node brought the load a little closer but it still seems quite unbalanced. Is this considered normal?

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• Why is my DB read-only when attached to SQL Express, but not with SQL Web?

  - by David Rubin

  I have an .mdf/.ldf pair, originally created in 2008 R2 Standard, and well under 10GB, with ACLs: d:\db snapshot\DB_NAME.mdf SERVERNAME\SQLServerMSSQLUser$ACCOUNT$MSSQLSERVER:F OWNER RIGHTS:F BUILTIN\Administrators:F d:\db snapshot\DB_NAME_log.ldf SERVERNAME\SQLServerMSSQLUser$ACCOUNT$MSSQLSERVER:F OWNER RIGHTS:F BUILTIN\Administrators:F When I attach the database to an instance of SQL Express 2008 R2, it comes up as read-only. When exactly the same acls and user-accounts and SQLCMD statements are set up with SQL Web 2008 R2, it comes up writable. I looked at MSDN's comparison page but nothing jumped out at me. Why on earth is this happening? Thanks! UPDATE I just noticed that the name of the attached databases are different. On SQL Express (read-only) it matches the filename (e.g. DB_NAME); on SQL Web (writable) it matches the CUSTOM_NAME that I gave it in the attach command: CREATE DATABASE [CUSTOM_NAME] ON (FILENAME = 'PATH_TO_MDF'), (FILENAME = 'PATH_TO_LDF') FOR ATTACH

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• Internet Explorer wont open docx files, saves them as zip

  - by David Gard

  I have several docx documents on an Intranet for my work, but IE8 refuses to open them, instaed only saving them as a zip (filename_docx.zip). This seems to be only an IE8 problem (surprise, surprise!) as both FF and Chrome open the documents just fine. Unfortunately as this is work based, I cannot simply drop IE as I would, in favour of a decent browser. Does anybody know how to fix this issue in IE? Thanks.

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• How to make PDF pages with U3D images print properly?

  - by David Thornley

  I'm creating some PDF files that have three-dimensional images (U3D) in them. When I bring them up in Acrobat, everything is fine until I try to print the file. If I've viewed a page, it prints fine, showing the U3D image as I last saw it. If I haven't viewed a page yet, the printout is blank. (I can demonstrate this right from the Print dialog, by previewing pages.) The only reference I've seen to printing U3D is in the PDF Standard, which says, basically, that this should work. It recommends "PV" or "PO" for the A key in the 3D activation dictionary, and I'm using libharu which uses "PV".

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• Installing Java 6 on Ubuntu 10.04 fails on missing Java 6 JRE package

  - by David S

  I'm trying to install Java 6 on Ubuntu 10.04 and it's been harder than it should be. In another question about installing Java on Ubuntu/Linux it said that I needed to do the following: sudo add-apt-repository "deb http://archive.canonical.com/ lucid partner" However, that failed and I kept getting: sudo: add-apt-repository: command not found The solution to this, was to run: sudo apt-get install python-software-properties So, that seemed to work and the command above to "add-apt-repository" seems to complete with no errors. And I have run the following to confirm it got added. sudo vi /etc/apt/sources.list But, now when I run the following: sudo apt-get install sun-java6-jre I get: Reading package lists... Done Building dependency tree Reading state information... Done Package sun-java6-jre is not available, but is referred to by another package. This may mean that the package is missing, has been obsoleted, or is only available from another source E: Package sun-java6-jre has no installation candidate Where do I go from here?

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• Is Tripp Lite a trusted brand for a UPS?

  - by David

  I am looking to buy a rack mounted UPS that can take in 208V power and serve up 120V power. A basic APC unit that can do this is $4k. I have found a Tripp Lite model that will work for $2.5k. Is the extra $1.5k for the APC just for the brand? Or will the Tripp Lite serve me just as well? Thanks!

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• Recommended IIS 7.5 books

  - by David McKenna

  Can somebody recommend good reading material for administrating IIS 7.5. Regards, DMcKenna

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• Excel transpose via paste

  - by David Oneill

  I want to transpose data in Excel. Normally, I cut the cells I need, and use paste special - transpose. However, sometimes when I do paste special, a box comes up asking me if I want to use unicode text vs normal text. How do I transpose this text? Is there a way to get past the unicode dialog box and get to the normal Paste special dialog box (that has the 'transpose' option)? Or, is there another simple way to transpose cells? transpose = flip rows and columns IE 1, 2, 3 becomes: 1 2 3

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• Windows 7: Server disappearing from Network window

  - by David Veeneman

  I am running a small (three computer) network on a Windows Server 2003 domain. All of the computers were just upgraded to Windows 7. Since the upgrade, the icon for the domain server periodically disappears from the Network window on all three computers. It doesn't happen at the same time on all computers--the icon typically disappears from one machine, but not the others. And it's not always the same computer. The network connection is still there--I can type \\myserver and get to the network shares. It's simply the icon that's disappearing. Has this happened to anyone else? Any suggestions for a fix? Thanks in advance.

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• Workstation Card

  - by david

  I am going to buy an HP EliteBook 8740w. The problem is it comes with Nvidia quadro 2800m and ati 7820m firepro 3d? please advise which is better?

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• Workstation video card in a laptop?

  - by david

  I am going to buy an HP EliteBook 8740w. The problem is it comes with Nvidia quadro 2800m and ati 7820m firepro 3d? please advise which is better?

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• How much money can I save from installing a 80 plus bronze or gold PSU? [closed]

  - by David

  Currently I've only a 300 watt PSU and my pc is working like a charm but with all the components it should use the psu to the max. Recently I've read about 80 plus certificate and I'm wondering if it's worth to buy a 80 plus certificate psu? My power cost last year was also higher then before and my pc turns almost 14/7 a day. I mean power cost in used power not in augmented prices. I'm also planing to buy a SLI video card.

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• NTFS frequent corruption when writing many small files, index $I30 error

  - by david sedai

  I'm running Windows 7 Ultimate on a laptop with a 500G HDD, and had all partitions formatted as NTFS. I do a lot of programming and LaTeX typesetting, both of these involves a large amount of reading/writing/deleting to a lot of small files, such as C++ library headers or LaTeX packages. The problem is that frequently, when there is a large number of writing to files, the partition being written to often corrupts, the chkntfs e: returns dirty, where e: is the partition being written. I've re-formatted the drive, I've contacted the laptop manufacturer and had the HDD checked, the HDD is not faulty, there are no bad sectors, and I've tried a brand new HDD, to no avail, and the other partition on the same physical drive doesn't have this issue. I'm pretty sure that it's no hardware related. I've searched the Microsoft support pages, one page http://support.microsoft.com/kb/982018 provides an update for Advanced Format Disks, which I've already installed. The chkntfs log shows $130 index errors. I'm at a loss here. Can anyone help? Thanks in advance.

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• Strange sound from Laptop, Microphone, Speakers or Soundcard?

  - by David Schilling

  I have recently purchased a second hand computer. There didn't seem to be anything wrong with it on purchasing, however recently I have noticed a small issue. Any time I play sound or listen through my headphones, I can hear what seems to be the CPU working (ie when beginning a new task, there is a small crackling). Also if I tap my laptop I can hear the sound louder, as if it is being picked up by the mic and then playing that sound in real time through the speakers or headphones. I have tried reading other topics but cannot find an answer to this question. These are the specs I am running on; Windows 7 Home Premium 32bit Pentium Dual Core CPU T4300 @ 2.10Ghz 2.10Ghz I hope someone can help me with this issue, it would be much appreciated.

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• Windows Update and lsass.exe

  - by David

  I have a brand new installation of Windows XP (SP1 or older). I installed Norton AntiVirus, Firefox, Putty, and Cygwin. No other software is present. Windows Update finds the following 64 updates: KB905760, KB978262, Internet Explorer 8, KB71961, KB954155, KB968816, KB923561, KB950762, KB949402, KB950974, KB951376, KB951748, KB952004, KB952954, KB955069, KB956572, KB956802, KB956803, KB956844, KB958470, KB958869, KB959426, KB960803, KB960859, KB961501, KB969059, KB970238, KB970238, KB971032, KB971468, KB971657, KB972270, KB973507, KB973815, KB973904, KB974112, KB974318, KB974392, KB975025, KB975560, KB975561, KB975713, .......) When these updates are applied, the system reboots to a black screen with two error messages. The first error message says: lsass.exe - Application Error The application failed to initialize properly (0xc00000142). Click on OK to terminate the application. The second error message says: services.exe - Application Error The application failed to initialize properly (0xc00000142). Click on OK to terminate the application. I then proceed to boot into Safe Mode, use System Restore, and everything works fine again until the 64 updates re-appear in Windows Update. I can see two options: disable Auto-Updates or install each of the 64 updates one at a time until finding the troublesome update. Does anyone have any better ideas?

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• Oracle Error ORA-12560 TNS:Protocol Adapter error?

  - by David Basarab

  I am using Oracle Database 10g. Both Servers are Windows 2003. I have an Orcale Database set up on one server. Here is the TNSNames.ora from the server with the database. # tnsnames.ora Network Configuration File: C:\oracle\product\10.2.0\db_1\network\admin\tnsnames.ora # Generated by Oracle configuration tools. ORCL.VIRTUALHOLD.COM = (DESCRIPTION = (ADDRESS = (PROTOCOL = TCP)(HOST = databaseServer)(PORT = 1521)) (CONNECT_DATA = (SERVER = DEDICATED) (SERVICE_NAME = orcl) ) ) The Environmental Variables on the Server are ORACLE_HOME = C:\oracle\product\10.2.0\db_1 ORACLE_SID = orcl I am trying to connect to it from another box that has Oracle Client installed. Here is the tnsnames.ora installed on the other client server. # tnsnames.ora Network Configuration File: C:\oracle\product\10.2.0\client_1\network\admin\tnsnames.ora # Generated by Oracle configuration tools. ORCL = (DESCRIPTION = (ADDRESS_LIST = (ADDRESS = (PROTOCOL = TCP)(HOST = databaseServer)(PORT = 1521)) ) (CONNECT_DATA = (SERVICE_NAME = orcl) ) ) ORACLE_HOME = C:\oracle\product\10.2.0\client_1 ORACLE_SID = orcl Locally on the database server I can connect to through sqlplus with no issues. On the client machine I keep getting the error: ORA-12560: TNS:protocol adapter error What am I missing? Does the client TNSNames.ora need to be different?

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• How to upgrade OS on Mac Mini with external USB Drive?

  - by David

  We have a G4 Mac Mini, circa 2005, running Mac OS X 10.4 Tiger, and we want to upgrade to 10.5 Leopard. We have a Leopard install disk, but the optical drive in this mini is broken. So we transferred the install disk image to a USB HDD, but now we can't figure out how to boot off it. From what I've read in Mac forums, some PPC Macs, including some G4's, have been able to boot from USB, even though it sounds like this wasn't officially supported, and it may well depend on the specific model of USB drive and Mac. My Mac says CPU is "PowerPC G4 (1.2)" and Boot ROM is "4.8.9f4". I was hoping I might just find somebody here who had that same Mac Mini and find out if they could make it work. I'd especially like to know any specifics about the USB drive they found success with. Any insights at all would be appreciated. Thanks.

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• Sharepoint Farm - more than one DataBase Server

  - by David Esteves

  Is it possible to have one MOSS Farm with two Database servers?

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• Ubuntu 10.04 Windows2003 adding a route for GPO assignment

  - by David Carvalho

  I want the PC's that receive IP from my Ubuntu DHCP3-server to be able to retrieve the GPOs that are on my windows 2003 server. I'm using virtualbox and 3 virtual machines: 1 windows 2003 server 192.168.0.2 with 1 NIC (internal network). 1 ubuntu server 10.04 lts 192.168.0.1 with 1 NIC (internal network) and 3 aliases 192.168.21.0, 192.168.22.0, 192.168.100.0 1 Windows XP machine with 3 NIC's (internal network).

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