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• How to step down voltage from 208V to 110V

  - by Eric Dennis

  I have some racks that will be fed by 208V/20A circuits. These circuits will be conditioned and battery-backed by the facility in which these racks will live. 99% of the devices in the rack will be able to support 208V input, so I plan to use these PDUs. However, there may be one or two odd devices that will need 110V input. I know that I can use a step-down transformer to provide 110V for these devices, but that seems like overkill for such a small number of devices, plus I don't want to pay extra for the UPS functionality since my power will already be battery-backed. Any suggestions for something I can use for these one-off 110V devices?

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• Laptops and Visual Studio 2010

  - by Chad

  I have three days to get a new laptop before I need one that can run Visual Studio 2010. Normally I have two instances open, an instance of SQL Management studio, IIS, and a few web browsers. Who develops regularly on one, what are the specs I should look at targeting? I haven't bought a laptop in 5 years, so I'm way out of touch with where they are at as far as specs go. Thanks. ps. Budget isn't a huge concern, but I'm trying to keep it reasonable.

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• SSD on Vmware ESXI 4 (TRIM? Good Idea?)

  - by nextgenneo

  Hi, I just posted about finding bottle necks and have narrowed it down to having way too many VMs on my machine on one 15K SAS drive. I have plenty of cores and plenty of ram. So I am planning on putting 6 VMs on one drive (so 5 drives for 30 VMs). I am thinking of using a 60GB Vertex 2 SSD. Each of my VMs will only need about 6GB of HDD space so this isn't a big deal. My questions are: does ESXI support Trim and do I really need it if I leave 25% of the drive as free space? If I need it should I get a diff drive that handles garbage collection differently? I have a RAID controller w/ write caching. I will still benefit from this? Will this effect my setup differently? Is there anything I need to consider regarding SSD's in virtualized environments. Thanks for any and all help!

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• Google Chrome Automatically Save Passwords

  - by benhc911

  I have seen, and at one point implemented, methods of modifying firefox's password manager popup such that it would automatically save usernames and passwords without prompt. I was wondering if there is a similar feature for Chrome. I just recently switched to chrome and it is one of a few features/modifications that didnt survive the transition, and while I am moderately capable in programming in certain languages (C+, visual etc) I don't really feel confident enough to muck around unguided. For anyone that is particularly interested, the other features I miss are things such as the slash based 'quick search' in firefox... and I am currently annoyed by a different right click menu order for opening in new tabs and new windows (the reverse of firefox). Any help would be greatly appreciated!

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• Remapping button numbers on a five button mouse on Mac (or alternative solution?)

  - by Ollie G

  Is this possible? I have two mice connected at once (one on each side, so I can swap hands to help ease RSI). One is a 5 button mouse, the other 3 buttons. I like to set the 3 button's third button to Mac's expose, but the button I'd like to use for this on the 5 button mouse is the fifth button. Is it possible to change the fifth button to the third on this mouse? Or could you suggest an alternative solution? Thanks.

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• Migrating domains - 301 Redirect of all contents of directory

  - by Trufa

  I need to do a 301 redirect with apache since I'm migrating domains. What I would need to do is the following, from certain directories, redirect all of it's content to a different damin (where the file already exists). Let's say I have one.com/files/something.doc or one.com/files/other.php I have already "copied" or "backed up" all the contents of the directory, so the following already exist: two.com/old/files/something.doc and two.com/old/files/other.php So I would just need to redirect anything in the directory "files" (or whatever). I hope the question is clear enough, if not please ask for any clarification needed!! Thanks in advance!!

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• Can I use Veritias Storage Manager to provide HA storage using server-local storage?

  - by Paul

  I have a need to provide an high-availability ftp/http file repository. Upload will happne to one server, but the uploaded file must be immediately visisble on all other servers I can handle the failover of the servers themeselves using load balancers. But in the event of failure of one server, the other servers must see the same contents of the repository. Normally, I'd use a SAN for this, but in this case the data centre standards do not allow SAN/external storage - all storage will be local to the servers. Cam I use Veritas Storage Manager (or any other product) to manage mirroring hte contents between servers in this way? Or does that require a SAN? I couldn't tell either way from a quick look at the data sheets etc.

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• Eliminate single point of failure for webservers?

  - by George Bailey

  I know in DNS, that each of the DNS servers will be tried to see if they will respond I know in email that in the event of a failure it will go to the next one in the list or it will hold the mail for a period of time As far as I know,, in webservers,, the browser will get one of the webserver IP addresses and try it and if it fails it will give up. Is this correct? If so,, then the only way to direct traffic away from a failed IP address would be with the DNS servers.. and even that would not update immediately?

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• Filtering ToDo List in Outlook 2010 with multiple Exchange accounts

  - by David LaRocque

  I'm trying to figure out how to get the ToDo list filtered for just one account? I've tried customizing the view, and using the advanced filter to get just one Oulook Data file, but once I do that the filter goes bonkers and I get all sorts of results! I know it's a combination of email flags and true tasks, and tried combining filters to pull those conditions together, and simply can't get it to cooperate. Before 2010, when the only way to get multiple mailboxes was to add additional mailboxes to the primary account, the task list pulled from just the primary account - but of course, the secondary accounts are not cached and available offline.

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• IIS 7 with PHP in Domain with Windows Authentication

  - by Michal Saiyan Hajdony

  I have Windows Server 2008 R2 x64b installed with IIS 7, PHP 5.5. This server is added to domain exampledomain , so I have win authentication enabled and all others disabled. I left the two default providers NTLM and negotiate, I granted IIS_IUSRS read access to wwwroot. So far it has worked for me only as I am added to the Administrators group which has read/write access to wwwroot folder. Yet, when someone else is trying to connect, he gets a credentials window and when he puts the domain name and password he cannot get access to the page. The issue is solved when I add read permission to "Domain users" - then all works fine. BUT. My issue is that if one opens windows explorer and types \\servername\wwwroot one can see the files and read them. I have never configured IIS before so I know I miss some really important thing. How can I solve the file visibility problem?

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• Boot Linux from DOS (with loadlin.exe etc)

  - by dreamlax

  I have been using the latest version of loadlin.exe (version 1.6e). It works on some machines but on others I get "no place after kernel for initrd". The kernel is about 5MB in size (non-modular) and my initrd image (decompressed) is about 8MB. One route that I could take is to enable module support and offload some of the weight of the kernel into the initrd image but I'm not confident this will rectify the issue. Are there any alternatives to loadlin.exe that are capable of loading Linux from a booted DOS session? I basically have a series of DOS tools that I'd like to run one after another and then boot into Linux, which loadlin.exe seems to be working very well for except on some machines.

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• how to make a small image become really huge

  - by DennyHalim.com

  all webmaster should already know about hotlinking stuffs. and we know how to ban those bad referer too... but i want to get revenge... i want to replace the hotlinked images with one huge image with few megs in size. i have found one good image. yet it less than 100k. i already use it to replace all bad hotlinkers. how can i convert this image to become few megs?

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• C Language preprocessing doubt

  - by khanna_param

  Hi, There are different kind of macros in C language, nested macro is one of them. Considering a program with the following macro define HYPE(x,y) (SQUR(x)+SQUR(y)) define SQUR(x) (x*x) using this we can successfully complile to get the result. My question:- As we all know the C preprocessor replaces all the occurrence of the identifiers with the replacement-string. Considering the above example i would like to know how many times the C compiler traverses the program to replace the macro with the replacement values. I assume it cannot be done in one go. Thanks.

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• How to move mail accounts when migrating webhosting

  - by pkswatch

  I am migrating my website abc.com from one webhosting company to another in a shared hosting environment. Both have cpanel. And the second hosting account i am preparing to move is my multi-domain hosting account with 3 domains already in it. The problem is, i have many email accounts associated with my website abc.com, which are accessed using webmail. So if i move it to the other host, will i lose all those accounts and their emails? If yes, then how should i synchronise the email accounts so that all the accounts and the contained emails remain intact? I saw some several sync tools like IMAP Sync, etc. But these require two hosts while synchronizing, and as you see, i have just one domain name to be synchronized over 2 servers. PS, i do not have any ssh access on either of them, and i have made complete backup of all files using backup wizard in cpanel.

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• Citrix Mixed Server Session problems

  - by oldskool

  Hello, we've run an Citrix Farm with 4 x Windows 2008 x64 (XenApp 5.0 FP3) and one server Win 2003 x86 (Xenapp 4.6). Yesterday we had a strange problem with Session logins. Existing Sessions could work without problems but new logins were not possible. In the AMC we could not see the Sessions on the Servers. After an reboot all worked fine again. We run the 32 Bit Server since 3 days in our farm (for one Application). Could it be possible that this behavior is caused of the mixed farm? -- (we got in this time a lot of wmi warnings that the Provider CitrixEvemtProv has been registered but it does not correctly impersonate user requests.

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• Cannot download or send MMS

  - by CGFoX

  I have a Huawei Honor with Android 4.0.3. I got a plan at AT&T that includes 200 messages (both SMS and MMS) per month. Unfortunately I can neither receive nor send MMS. When I receive one, there's a download-button. But when I hit download it doesn't do anything, even when I got internet connection via wifi. When I try to send a MMS it only says "sending...", but nothing happens. My guess is that I didn't configure the settings correctly, but I couldn't find anything useful online. Also I don't have a single APN. Maybe I need to create one? Thanks for your help!

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• How to share datastores between multiple exchange servers?

  - by Johan

  I have an Exchange 2003 box that is seriously overstressed. I want to transfer its duties to a new and faster box. I don't cannot suffer downtime, so I have to do this stuff live. Here's what I plan to do: Install Exchange 2003 on the new server Set up the new server, so it will accept requests from users for their mailboxes I want to do as little manual set up as possible, because that 'll eat up my time and is too error prone Than I want to transfer my datastores one by one to the new server and have those users (once the datastore in the new server is up and running) to get their data from the new server (without them noticing) I don't have to transfer all the datastores, some of them need to stay on the old box (because I'm still waiting for extra HD space to arrive from the supplier) What steps do I need to follow to do this? The new box has never seen this domain before, the old exchange server is not the DC, we have a dedicated DC.

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• Publish database between two open database connections (Visual Studio 2005)

  - by danielswe

  I have two data locations, one to a local and one to a remote database. How do I copy the local database schema to the remote? The reason I don't use "Publish to provider" is that I'm not sure that I have all the information necessary to do so. I have the database name, server, username and pass but not "web service address" nor "web service password". I work in Visual Studio 2005. The server is a MSSQL 2005 server. I have tried using the queries but I only get errors doing so.

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• Constantly visible notification and access icon for Empathy in Gnome 3

  - by aef

  Since a short while I'm using Ubuntu Oneiric Ocelot (11.10) with gnome-shell (Gnome 3) and I'm trying to get accustomed to the default Empathy Instant Messaging client. One mayor problem for me (coming from Gnome 2 and Psi) is that there is no constantly visible icon which makes it clear (for example by changing its icon or showing an animation) if there are incoming messages which I did not read already and which lets me jump into them with one click. Also I'm missing a way to bring up the contact list or hide it away with a click. I sometimes have real problems even figuring out how to even open the contact list up again. Is there a Gnome 3 extension or some other trick available to display such a notifier in the top bar? I'm talking about something just like the sound and network controls which are already located there. I know that there are notifications in the lower notification area (former system tray), but as it is only visible as I move the mouse in the lower right corner of the screen, its useless for me.

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• Encrypt backups with GPG to multiple tapes

  - by Dan

  Currently, I use tar to write my backups (ntbackup files) to a tape drive fed by an autoloader. Ex: tar -F /root/advancetape -cvf /dev/st0 *.bkf (/root/advancetape just has the logic to advance to the next tape if there is one available or notify to swap the tapes out) I was recently handed the requirement to encrypt our tape backups. I can easily encrypt the data with no problems using GPG. The problem I'm having is how do I write this to multiple tapes with the same logic that tar uses to advance the tapes once the current one is filled? I cannot write the encrypted file to disk first (2+TB). As far as I can tell, tar will not accept binary input from stdin (it's looking for file names). Any ideas? :(

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• How can I change the amount and size of Linux ramdisks (/dev/ram0 - /dev/ram15)?

  - by Kevin S.

  Using Linux, when I boot I automatically have 16 16MB ramdisks, however, I would like to create one really large ramdisk to test some software. I found that I can adjust the size of the ramdisks already on the system with the kernel boot parameter ramdisk_size however, this makes all 16 ramdisks (/dev/ram0 - /dev/ram15) the size that is specified. So if I want to create a 1GB ramdisk, I would need 16GB of memory. Basically, I want to create one 10GB ramdisk which would be /dev/ram0. How would I go about doing that? I assume there is a kernel boot parameter, but I just haven't found it.

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• Ubuntu: On a network with many clients there are two machines that can't access the web via a browser at the same time

  - by ChrisInCambo

  Ok I'm pulling my hair out over this one. We have a wireless network with many clients all working well except two Ubuntu clients running 10.10 that can't access the internet via a browser at the same time. They can both still ping, use Skype etc but can't browse. As soon as the one that can browse exits the network browsing returns for the other and vice versa. As ping and Skype was working I assumed some kind of DNS problem but moving over to OpenDNS didn't solve it, nor did restarting networking or using wired rather than wireless. We also switched out the router, and it still persisted so I'm sure this isn't a network issue. The two clients are both laptops and work fine together on a wireless network at another office (which we don't control). I'm thinking something must be cached from the other network they both use that's causing this but have no idea what. Does anyone have any ideas? I just don't know where to go from here.

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• Is PCI Express x4 faster or slower than a standard PCI slot for graphic cards?

  - by Stephen R

  I am looking at potential motherboards for a computer I want to build and ran into this conundrum. The motherboard has two PCI Express slots that allow for 16 channel cards to fit in them. The catch is only one of them operates at 16 channels, the other operates only 4 channels. My question is, would it be faster to buy a PCI Express graphic card and install it in the 4 channel PCI Express slot? Or would it be better to buy a standard PCI graphic card and install it in one of the available PCI slots?

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• Is there a way to share a scanner with an Airport Extreme?

  - by Electrons_Ahoy

  I've got an Airport Extreme as my home network's router. (Sidebar: I love it.) The printer sharing is pretty phenomenal - I've got my printer hooked up to the base station and all the machines in the house can print to it just fine. However, I have one of those combined scanner/printers, and nothing on the lan seems to be able to see the scanner. Is there a way to get the Airport Extreme / Bonjour to also share the scanner half of the device? For the record, this is an all Windows LAN, so I'm using Bonjour for Windows to get the print sharing to work. Also, I'm hoping to not add a whole stack of extra software to the ecosystem - only one machine in the house needs the scanner, so I can just plug the printer back into that machine and share the printer that way. Still, the Airport and Bonjour seem fancy enough that this seems like it should be doable.

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• Routing between two subnets. (Need Solution)

  - by rehanplus

  Need help according to scenario given: Client end PCs: 400 + Network : Server 1 (Linux) : 192.168.2.0/24 (For Application, Internet not working) GW: 192.168.2.1 Clients: 192.168.2.1 - 254 Server 2 (Linux) : 192.168.3.0/24 (For Internet users) GW: 192.168.3.1 Clients: 192.168.3.2 - 254 Server 2 is connected to DSL Broadband. Server 1 and Server 2 both are on same physical network i.e. Same switches. Current issue: i have to deploy a file and print server but this server will be accessed by both (192.168.2.x and 192.168.3.x) one same workgroup. as both subnets are on same switched network. Limitations: Currently there is no hardware routers and firewall. Need to complete this task with Linux / Windows / AD. Tested / Worked so far: Configured one PC with two NIC's With the IPS: NIC 1 : 192.168.3.2 GW: 192.168.3.1 Subnet: 255.255.255.0 NIC 2 : 192.168.2.2 GW: Empty Subnet: 255.255.255.0 Kindly provide any solution what should i do to get sharing enable on both Subnets. Thank you All

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