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• What kind of server do I need to handle 10 million requests and mySQL queries a day?

  - by Calvin

  I'm a new bie of server administration and I'm looking for a powerful hosting service to host my new website. This website is basically a back-end of an mobile online game, and it will: handle up to 10 million of HTTPS request and mySQL queries a day store up to 2000 GB file on the hard disk transfer probably 5000 GB data in and out per month it runs on PHP and mySQL have 10 million records in mySQL database, for each record there are 5-10 fields, around 100 bytes each I really don't know what kind of a server I need to handle these requirements, my question is: what cpu/ram do I need for a dedicated server or vps? what hosting companies are able to offer this kind of dedicated server or VPS? what about cloud computing? I've researched Amazon EC2 but it seems complicated to me. And I've contacted Rackspace but strangely they said Cloudsites is not suitable for my requirements. I wonder if there is other cloud hosting company. any other alternative method? thanks very much!

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• Troubleshooting Windows Server 2012 storage spaces

  - by Iravanchi

  I'm trying the new "Storage Pools" feature on Windows Server 2012, and I've created several disks on the pool. When I restart the server, some of the disks (two, out of four) do not attach automatically, and don't show up in the list of disks. I can go to Server Manager File and Storage Services Storage Pools, and the faulty disks are listed with a yellow triangle beside them. The drive health in the properties are "unknown". But if I right-click and choose attach, the disk comes online, with all the content on it intact. But after another restart, it's the same story. I didn't find any relevant event in the event log, how can I find out why the drives are not attaching?

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• Resizing/reprocessing videofiles to adjust total size being <= 4.7gb

  - by altern

  How could I resize or reprocess bunch of videofiles (tv show series) to be able write it on DVD? Total size of all files should be less or equal to the max size of dvd - 4.7G. Is there any kind of program which allows conversion with total filesize adjustement up to defined limit? Is there way to be sure quality will not suffer noticeably after video files adjustments? Maybe there is a software which allows adjusting quality and creating DVD video disk with nifty menu automatically? Any help is appreciated. Thanks!

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• VMware Workstation 7.x error loading operating system help

  - by StealthRT

  Hey all i am using the windows verison of VMware Workstation 7.x and I am getting this error when i start my VM error loading operating system That only started to happen when i tried to load that vmdk file into the program VirtualBox. Prior to this it ran just fine. Ever since then i have been unable to start it in VMware Workstation 7.x... I've already tried to repair the vmdk file but when i do it tells me there are no errors found? I used vmware-vdiskmanager.exe -R "c:\blah\my vm disk.vmdk" Anyone else have any more suggestions i could try? It's a 300+GB VM so i really don't want to lose it!!! Thanks, David

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• Create bootable partition from image

  - by Carson Darling

  I have a Macbook Pro with a dead CD drive. I don't have easy access to a replacement drive. I'm trying to install Ubuntu, and I can't get the MBP to recognize a USB stick as a bootable media (I believe MBP's have issues with booting from USB in some cases). Is it possible to take a disk image and write it to a partition on the HDD so that I can then boot from that partition and then install the OS onto a third partition? Partition layout: 150GB OS X 50GB Ubuntu destination 5GB Ubuntu install image

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• Experience with AMCC 3ware 9650se raid cards? Ours seems dead

  - by antiduh

  We have a 8-port 3ware 9650se raid card for our main disk array. We had to bring the server down for a pending power outage, and when we turned the machine back on, the raid card never started. This card has been in service for a couple years without problems, and was working up until the shutdown. Now, when we turn the machine on, the bios option rom that normally kicks in before the bootloader doesn't show up, none of the drives start, and when the OS tries to access the device, it just times out. The firmware on it has been upgraded in the past, so it's possible we've hit some sort of firmware bug. We're using it in a Silicon Mechanics R272 machine with gentoo for the OS. The OS eventually boots, but alas, without the card. We've ordered a new one, but I'm worried that if we replace the card it won't recognize the existing array. Has anybody performed a card swap before? Any help would be greatly appreciated.

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• Will more memory help my CPU-peaking SQL Server 2008 R2

  - by Tor Haugen

  I'm supporting a system running against a SQL Server 2008 R2. The server is a single-CPU box with 8 GB of memory. As traffic has increased, the server has started saturating, peaking to 100% CPU ever more often. Disk I/O remains moderate (somewhat surprisingly). Obviously, a new server would be the best option. But failing that, can I expect a noticable improvement from installing more RAM? Or does RAM only help for I/O issues (through caching)?

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• How to prevent Mac OS X creating .DS_Store files on non Mac (HFS) Volumes?

  - by sudo petruza

  Is there a way to prevent Mac OS X creating .DS_Store and other hidden meta-files on foreign volumes like NTFS and FAT? I share an NTFS partition with data like Thunderird & Firefox's profiles and apache's DocumentRoot, between Mac OS X and Windows, which is very handy. I don't mind if Mac OS X is not capable of indexing or otherwise doing the neat things those metafiles are for. Note: It's not shared over a network, both operating systems and the shared partition coexist on the same disk, on the same machine.

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• postgres memory allocation tuning 2

  - by pstanton

  i've got a Ubuntu Linux system with 12Gb memory most of which (at least 10Gb) can be allocated solely to postgres. the system also has a 6 disk 15k SCSI RAID 10 setup. The process i'm trying to optimise is twofold. firstly a single threaded, single connection will do many inserts into 2-4 tables linked by foreign key. secondly many different complex queries are run against the resulting data, using group by extensively. this part especially needs to be optimised. i have four of these processes running at once in order to make use of the quad core CPU, therefore there will generally be no more than 5 concurrent connections (1 spare for admin tasks). what configuration changes to the default Postgres config would you recommend? I'm looking for the optimum values for things like work_mem, shared_buffers etc. relevant doco thanks!

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• Extracting metadata from flac header in linux

  - by Tommy Fisk

  Hello. I recently (and accidentally) wiped a hard-drive which should NOT have been formatted. Thankfully, PhotoRec was able to recover some of the most important files from the disk. Part of those files include a large music collection of flac files. I've placed these in a folder named 'FLAC' that looks like this: [Start of FLAC Folder] f11655088.flac f11698672.flac ... (around 2,000 files total) f291142600.flac [End of FLAC Folder] I'm running a livecd to rescue this data. I have access to a standard terminal in Ubuntu 10.10. I've noticed that the music player in linux will display the song title when I open any of these songs. My goal is to automatically extract the song title from these files and update their names from f12313512.flac to 'Libera - Rebirth.flac' - or whatever the song title happens to be. Thanks in advance for suggestions on how I might accomplish this!

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• Super-silent (mid tower) case and fan combo

  - by Dennis G.

  I want to build a HTPC for music/video/blu-ray playback (no gaming). I don't need an expensive HTPC case but just want to go with a standard medium tower case. However, I want it to be super silent so it doesn't make any annoying fan/disk noises when I watch movies. Ideally, it shouldn't make any noticeable noise at all. I understand that choosing a board, CPU and graphic card that run cool and don't consume a lot of power is important for designing a quiet machine, and I think I got that covered. However, there are so many choices in regards to cases, fans and power supplies that it's hard to get started. What are your recommendations for a case/fan (cpu+case)/power supply combination that run absolutely silent and can cool a standard Intel system with a low-power (possibly passively cooled) graphic card? I'm usually a fan of Antec cases, would an Antec Mini P180 be a good starting point? If so, which case fans, CPU fan and power supply would you recommend?

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• My External USB drive stops after reading some data

  - by user191542

  I had the external USB 3.0 western Digital My Book essential 3TB drive. I had loto of data on it. Suddenlt when i start copying data from it then after reading 20GB or so data then i get error that system can't read from the location. I have to turn the uSB power off , disconnect it and then again connect it. so i have to trnasfer the data in small chunks like 20Gb , 30GB etc. I have n ow transferred all the data but i want to know that is hard disk gone or it can be fixed or its something windows fault not HD fault

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• Can I put /tmp and /var/log in a ramdisk on OS X?

  - by kbyrd

  For non-critical Linux systems, I often move things /tmp and /var/log to tmpfs to save on some disk writing. I've been doing this for a year or so and if I ever need the logs across reboots, I just comment out a line in /etc/fstab and then start debugging. In any case, I would like to do the same thing on OS X. I've seen posts on creating a ramdisk for OS X, but I'm looking for a more permanent solution. I always want /tmp and /var/log mounted in a ramdisk, with the ability to turn that off with a bit of cmdline editing in vi if I have to.

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• Dell V105 and 10.6

  - by James

  Hello, I am trying to get a Dell V105 printer to work with my iMac. It is running 10.6 and I have installed all the drivers on the Snow Leopard disk. I believe there is no official Dell driver but I have also heard the Dell printers are made by third parties that may sell the same printer under different names. There a quite a few Lexmark models that seem to look very similar and I have tried setting the driver to the 2600 series that looks very similar but that has not enabled me to print. Although it claims to give me the supply levels correctly. Can anyone help? Thanks for your time

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• Why is Apple System Image Utility so slow?

  - by Jon Rhoades

  I'm using Apple System Image Utility (SIU) on Snow Leopard 10.6.2 and I am rather disturbed it takes over Three hours to make a Netrestore or Netboot image. I'm using as the donor machine a brand new iMac and as the imaging machine a brand new iMac connected using target disk mode & Firewire 800. The hard drive size and subsequent image is about 8GB. To restore the image over the network takes about 4 minutes. Given that Norton Ghost will take an image in about 5 minutes (or less on newer machines) over USB2, why is the Mac over an order of magnitude slower?

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• 3½" PATA Western Digital Caviar SE (250MB) makes steady ticking sound when idle

  - by intuited

  I've started to notice a ticking sound emanating from my WD2500JB. It is not alarmingly loud. The sound seems to occur only when the drive has been idle for some time, and will cease upon (some?) disk activity. The sound has a regular, steady cadence of somewhere between about 4 and 6 ticks per second. I'm not entirely certain that it just started making these sounds, since I previously had the drive — mounted in a USB enclosure — stored out of earshot, and only recently moved it to where I can hear it. The SMART attributes for the drive do not indicate any problems. I did have some errors to clean up recently (since I started noticing the sounds). The errors occurred on an ext3 filesystem. The drive had been powered down while mounted a few times prior to that fsck. Is this cause for alarm? Should I scrap the drive on principle?

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• Converting a VMware player image from non-persistant to persistant

  - by Journeyman Geek

  I'm pondering setting up a virtual machine to generate app-v (since i got mdop from school) or thinapp application virtualisation packages. Ideally with either of these, i should work off a fresh system do the install, then copy out the packages produced. I'd like to not have to reinstall windows per package to get a fresh, unmodified stock copy of windows. I'm aware that its possible to make a hard disk image persistant in vmware player (one of my lecturers did it, but he's in another country). I'm wondering how would i convert a persistant image to a non persistant one? I'm currently running vmware player 4, with windows 7 guest and host.

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• WD My Passport detected but not assigned a drive letter

  - by abel

  I have a WD My Passport external drive which used to work fine on my Win7 x64 box until recently. Since the past few days, windows would not detect my external drive. However, Storage under disk management lists my external drive(which means windows can see my drive) but without a drive letter. I am not able to assign a drive letter(the option is grayed out). I installed EASUS Partition Manager which allows me to assign a drive letter, but fails to do so when I apply to save changes. What do i do to assign a drive letter to the drive or make windows to detect it as of old? The external drive works well on Win7 x32(dual boot, same system) and win7 x64 on another box. Update: cant comment from Opera Mini 6 @zeke the drive works absolutely fine on other Win7 boxes and on the dual boot win7 on the same system.

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• P2V - Cold Clone ISO

  - by jlehtinen

  I need to cold clone a physical box in a VMWare environment. What are people using for this these days? My preference is for VMWare's vConverter ISO, but it appears that this was discontinued. It's no longer available for download on their site from what I can tell (even under old versions). I found one guy who appears to have an ISO for version 3.0.3 of vConverter posted to his site for download, but I'm eternally skeptical about downloading these types of software from random strangers: http://thatcouldbeaproblem.com/?p=584 I also found some mention of using MOA, but I've never used this and have no idea on how effective it is as a vConverter replacement. http://www.sanbarrow.com/moa.html One other options seems to be using Acronis - booting off an Acronis disk to capture a .tib, then using a standard installation of vConverter to push the .tib to ESXi.

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• How can I tell a fresh ubuntu 9.0.4 install to boot from an external Mac OS X usb drive?

  - by Richard Dyce

  I have a reformatted Mac mini containing only a fresh install of Ubuntu 9.0.4. The Apple boot loader as been removed, so I can't hold down option, or the c key to get it to reboot form the install DVD. I do have an external drive (with both a usb and firewire interface available) with a bootable cloned OS X system on it. What steps do I need to go through to in order get grub to see the external drive, and to boot from it so that I can reformat the internal disk as an OS X drive?

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• What are the best options for a root filesystem hosted on SSD under Linux

  - by stsquad

  I'm working on an embedded system which is going to be booting and hosting it's rootfs on an SSD disk. We are currently looking at using Intel X-18M SSDs. The file system structure will have a fairly static /usr section (modulo software upgrades) and an active /var and /var/log for maintaining state and logging. Given the wear-levelling done by the underlying flash does having separate partitions help or hinder? As modern SSDs appear as straight block devices and hide their mapping magic behind their firmware is there any point trying to optimise the choice of file-system that sits on-top of the SSD? Finally does enable SMART monitoring make any sense in this context or are their SSD specific ways of determining the underlying health of the storage hardware?

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• Linux cron spamming me then stops about php/suhosin

  - by acidzombie24

  My server emails me when any messages goes to root. cron sends me messages. Today I got over 300 emails from my server all of which are PHP Warning: PHP Startup: Unable to load dynamic library '/usr/lib/php5/20090626+lfs/suhosin.so' - /usr/lib/php5/20090626+lfs/suhosin.so: cannot open shared object file: No such file or directory in Unknown on line 0 I have no idea why. I went to debug it however 5hours ago it stopped so theres nothing i could look at except maybe logs. Why did this maybe happen? Disk isn't full and I have enough ram available.

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• Can't figure out why hard drive is full [closed]

  - by Belgin Fish

  Possible Duplicate: How do I find out what is using up all the space on my / partition? No Free disk space so I have 2 hard drives in my server, one main one that is 10gb and then a separate one that is 2tb I'm storing all the files on the second one and the df -h output looks like this Filesystem Size Used Avail Use% Mounted on /dev/sda2 9.2G 8.8G 0 100% / tmpfs 1.5G 0 1.5G 0% /lib/init/rw udev 1.5G 148K 1.5G 1% /dev tmpfs 1.5G 0 1.5G 0% /dev/shm /dev/sda4 1.8T 747G 981G 44% /home /dev/sda4 1.8T 747G 981G 44% /usr/lib/cgi-bin I just can't figure out why the first one is full when all the files are being stored in the /usr/lib/cgi-bin I'm running debian I can't seem to find any files that would take up 8.8gb that arn't on the second hard drive :S Thanks!

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• Unable to use Gmail in Thunderbird 3

  - by Jatin Ganhotra

  Mozilla Thunderbird v.3.1.7 I am trying to setup Gmail, but none of the settings are working. I have tried every resource: Blogs, tutorials Instructions by Google Instructions by Thunderbird Questions here But, still its not working. My settings are as follows Server Settings Server Type: IMAP Mail server Server Name: imap.gmail.com Username: [email protected] Port: 993 Default: 993 Connection Security: SSL/TLS Authentication method: Encrypted password Outgoing server (SMTP) Server Name: smtp.gmail.com Port: 587 Default: 25 Connection Security: STARTTLS Authentication method: Encrypted password Username: [email protected] IMAP is enabled in my Gmail settings. ERROR: Connection to the server [email protected] timed out. I am behind a proxy server and I have configured those settings under: Thunderbird Preferences - Advanced - Network and Disk Space - Connection Settings - Manual Proxy Configuration The proxy configuration works, as when I created a Blogs and News feeds a/c, it was working properly and fetching the feeds for me. So, Thunderbird is configured properly as per the proxy settings. Help me.

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• RAID P410i and P812 performance issues

  - by Alexey

  I'm having much trouble with I/O performance of HP DL360 server with two RAID controllers - P410i and P812, Windows Server 2008, 36 GiB RAM and 16 x Intel Xeon x5550. The server runs a bunch of tasks producing heavy sequential I/O, and after about 20-30 minutes of intensive work it looks like the tasks are stuck, not using CPU and with enough free memory (so this cannot be a bottleneck). The same tasks were running quite well on the older server (Windows Server 2003, 4 x Intel Xeon, 12 GiB RAM). RAID cache is present, write-cache battery is installed. Cache is configured as 25% readahead/75% writeback. The swap file resides on the logical disk served by P410i and other logical disks are on P812. Can someone tell me what can be the matter of this? Is this a hardware problem or misconfiguration?

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