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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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• A good resource for LAMP?

  - by Hypercube

  Hello, I want to learn about servers, not for any particular application, I simply want to learn. I am looking at LAMP, but I can't find any resources for learning about it. I have a giant book from 2004, would it still be applicable or should I use something more recent? I looked online but couldn't find anything beyond installation. Is there a comprehensive resource, preferably using Python (since I already know it) and preferably free, for learning LAMP? I don't know much about networking, is it a prerequisite for LAMP? Thanks in advance.

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• Proper 16:9 video size for non-HD 4:3 video (for youtube/vimeo)

  - by Xeoncross

  Since High Definition video came out on all the online sites it has changed the default aspect ratio of the player from 4:3 to 16:9. This means that for people posting SD video you have to resize some of your videos to get them to fit right. For example, NTSC DVD quality (aka 480i/p) is 720x480 pixels (width x height). However, low-end High Definition (720i/p) is 1280x720. Anyway, now that the video players are built for HD you will find that uploading standard quality videos will result in videos that are "letter boxed" which means they have extra black bars on the top and bottom (or sides). Correct me if I'm wrong, but in order to get a 720x480 video to fit a box that is designed for HD the best practice would be to crop some of it off so that it fits as 720x404 since: 16/9 = 1.78 (1.7777777777778) 720/405 = 1.78 405x1.78 = 720.9 The same would stand for 640x480 (old TV quality) video that would need to be 640x360 correct? I'm asking because I'm not sure about all this and whether this is the proper way to fix these letter-boxing/display problems.

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• What is the best MTA setup for a home/laptop computer (*not* server)?

  - by thomasrutter

  Hello, What is a good MTA (e.g. Postfix or something else) setup for a home computer behind a NAT, or a laptop that is not always online? I've read a lot of Postfix tutorials on how to set it up this way or that, but they are usually geared towards computers that are servers ie they have a static IP have a domain name are always connected to the same network My requirements are, I guess: Ability to redirect mail for local users to another server of my choosing. No listening for incoming SMTP connections - outgoing only Ability to route outgoing mail via an external SMTP server with authentication (and perhaps encryption) If not Postfix, I need an MTA which can queue up mails in case it temporarily has no internet connection.

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• Odd Tools and Techniques for System Administrators

  - by Joseph Kern

  There's been a lot of questions centering on Software Tools for System Administrators. But I would like to know about any odd physical tools or techniques that you've used; Something that you never expected to be useful, but ended up saving the day. I'll go first: A Camera Phone. An application server had a major power issue that borked the RAID. Many of the disks were offline. Before I took the plunge and forced disks back online, I took a picture of the RAID BIOS screen with my camera phone. Having the exact layout of the RAID stored safely in my pocket, I was able to reset the RAID, and reboot the server. What odd tools/techniques have you used?

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• NFS or GFS for LVS 10 Server Setup

  - by Michael Robinson

  Currently we have a 10 servers LVS hosting setup. The people we hired to set it up did not anything about GFS which was our preferred Central Storage File System Solution. As we have tight time constraint, we just told them to use whatever they were familiar with which is NFS. I have since done some research and it seems that NFS is not ideal for the type of high traffic site we are hoping to build. I couldn't find much info online about the signaficance differences between the 2. As we to setup all servers again right now, should we stick with NFS or find someone who knows how to setup GFS amd go with that. We need a setup that is highly reliable and scalable as we intend. As after initial setup is done, we expect high increases in traffic and load.

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• OSX 10.9 Time Machine backup to NAS

  - by user214577

  I recently upgraded from 10.6.8 to 10.9. on snow leopard i was able to make time machine backups over the network to my nas, i think i had to tweak some settings but i dont recall what i did. now that i upgraded to mavericks, i cannot do backups to my nas using time machine. my question is, what do i have to do to allow time machine backups over the network in 10.9? i tried looking for solutions online but did not find anything relating to mavericks.

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• Unable to Get IIS Response Times with Hyperic Monitoring Tool

  - by jwmajors81

  We have a very large .NET application (vendor) that I am trying to gather performance metrics for using Hyperic. In general I wanted to be able to report response times for each of the components within the application, which include: Web Services ASP.NET Pages MSMQ I am currently unable to successfully monitor the response times for IIS on my windows machines. I have successfully auto-discovered them and I am getting diagnostic information, but am not getting back the response times. After looking online at what other people are seeing, I found that I am missing a tab for the response times which is usually next to the metrics tab. Also, when I look at the configuration screen for IIS I do not see a field which enables me to specify where the log files are located at. Please note that my logs are located at e:\LogFiles\ instead of the usual location because our IT staff doesn't allocate much space for the C: drive. Please note that I have the MSMQ monitors up and running great. Any assistance would be greatly appreciated. Thanks, Jeremy

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• Google Chrome Automatic Page Load

  - by WDC

  Google Chrome keeps loading the second page of certain websites which is helpful on sites like Netflix so that instead of clicking on a link for page 2, I can just continue scrolling down and it'll automatically have the next page ready for me. But on online clothing sites, it just gets backed up loading all the next pages, misplacing links and loading the next page so that it actually replaces the page I'm trying to view literally every millisecond. Considering clothing sites generally have upwards of 20 to 200 pages of clothing, this is really annoying since Chrome tries to load all of them. How do I turn off the automatic page load???

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• Installing SQL Server 2005 Express on Windows 8 [closed]

  - by Angel

  We have an application that installs a custom instance of Microsoft SQL Server 2005 Express as part if the whole installation process. Microsoft states that SQL Server 2005 Express is not compatible with Windows 8, but in reality it seems to install and work perfectly fine. The only problem is that during the installation a dialog appears saying it's not compatible, and offers options to get help online, continue with the installation anyway, or cancel. If you chose to continue anyway on all these incompatibility prompts, then the SQL server instance is installed without any problem whatsoever. Does anyone know if there is a way to suppress these incompatibility messages during the SQL service installation (or any installation, for that matter)?

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• Unable to run VMs on hyper-v

  - by PRAWAT-DS

  Folks/Mates, I need some advise and assistance regarding the testing of Hyper-V. Here is my h/ware configuration: 1) Intel i5 processor (i5-750) 2) Intel M/B DP55WB 3) 6 GB DDR3 RAM OS = Server 2008 R2 Standart (evaluation copy). I installed 2008 r2 on my machine and added hyper-v role to it. I created 2 VMs and installed OS. But after finishing the OS installation the VMs are not booting up. After finishing the OS installation, the VM reboots automatically (normal behaviour) and shows "preparing your system for first time" after that it reboots and didn't come online. Few things to notice, when I am running "securable" on my server 2008 R2 OS it shows that processor is not supporting h/ware virtulization, but (since my desktop is dual boot) when I am running "securable" on my windows 7 OS, it shows that process "does" supports hardware virtulization. VT option is already enabled in BIOS. Any help and suggestions are highly appreciated :) Thanks in advance. Pradeep Rawat

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• How to Enable geoip on magento with varnish page cache

  - by molleman

  I currently have 3 stores online with 3 different domains, running magento with Apache and varnish (using Phoenix page cache extension) running on centos One store is for uk, another for Ireland and another for USA Trouble is (Example) If an US user hits the uk store , I would like the user to be notified to go to the correct store on the page, (I do not want them automatically redirected) I was able to php-pecl-geoip with maxmind database to get this to work, but as users on my website have increased I had to begin using varnish. how could I implement this functionality on with varnish so I know what country the user is from so I can display a message to the user to view their relevant website?

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• How to install anti-virus without administrative rights?

  - by Rohit

  In situations where the PC has no CD drive and operating a guest account with limited privileges, how to install an anti-virus tool? Malware is not permitting to open any anti-virus vendor's site and also blocking all sites opened via Google that contain the term "online scan". I somehow managed to download through mirror links with a Download Manager as the browser's download was blocked by the malware. But the problem didn't end there. After I downloaded the anti-virus tool, it failed to install because it needed administrative rights. The user didn't know the administrator password. I tried via command line with runas, but it also asks for the administrator password. The OS is Windows XP. How to deal with these type of malwares if there is a scenario that CD drive is not there only Internet is there?

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• How do most small businesses acquire Office licenses?

  - by LuckyLindy

  A company I sometimes consult for is relatively small (40 employees), and they have a royal mess of Office licenses. OEM, Retail, Upgrades, O2K/XP/2K3/2K7, etc. They basically buy whatever retail license they can find cheapest online, and have someone track it all in a spreadsheet for compliance purposes. They also use a Microsoft Action pack license for getting another 10 copies of Office/Vista for free. While it all seems to follow Microsoft's licensing rules, it also seems horribly inefficient. I've talked to them about Microsoft's Open license, but they don't see any advantage to it. What do other relatively small businesses do? Are Open licenses popular, or do most of them just buy retail like my client?

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• Camera Canon pal DC95 not being able to get cd contents

  - by antoniocs

  Hey! A friend of mine recorded a family event with his Canon pal DC95. This camera records to a mini cd. I saw the cd being played in the camera (which was hooked up to a tv) but when I place the cd's in my pcs cd player I see nothing. Like if the cd had nothing on it. I tried downloading the manual of the camera (maybe I have to do something to the cd) but I can't find it online. I really want to get the videos on the cd so I can pass them to some other friends. Anyone know how I can achieve this? Please help me out :) Thanks. PS: Just a reminder. I know that the cd's contain stuff, but when I place the cd in the drive I just see a blank cd.

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• Using a buffalo wl12-pci-g54s on Debian Linux

  - by Nic Hubbard

  I have a buffalo wl12-pci-g54s wireless card that I want to install in my PC running Debian. I need this so I can move the server to a better location in another room. So, is there an easy way to do this? Some package that I can install and get up and running? Other instructions that I found online have been confusing. I am also using a static IP, so I need to retain that when I make the switch. Thanks!

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• New Seagate GoFlex external hard drive reporting temperature 50C and higher--defective or normal?

  - by rob

  I have a brand-new Seagate GoFlex hard drive, and my SMART diagnostics program (CrystalDiskInfo) is warnings me that the drive is running too hot. The lowest reported temperature I've seen it is 48C, and the highest so far is 56C (all of last week, it was at 50C). According to several sources I've found online, including a Google study, hard disks operating higher than 40C have shorter lifespans. The temperature in the room is usually about 23C (74F), and orienting the drive vertically vs. horizontally doesn't seem to affect the operating temperature. Does anyone else have a GoFlex external desktop drive that runs at 40C or cooler? Is my drive just defective, or is this high temperature common for these drives?

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• IP KVM switch, or serial console box for remote admin?

  - by grahzny

  We have a small server farm (11 now, may add more in the future) of HP Proliant DL160 G6s. They all run either Linux (server only, no X11) or VMware ESX. We had intended to get models with iLO, in case BIOS-level remote admin became an issue, but that didn't happen. I had an IP KVM switch recommended to me (along with some sort of Remote Reboot hardware.) I've since realized that none of our machines need GUI administration, so perhaps a serial console switch would be a cheaper and more appropriate option. Something like this: http://www.kvm-switches-online.com/serimux-cs-32.html Do you folks have an opinions on which way is a better choice? Should we go for the ease of setup (plug and go, instead of turning on the feature in the BIOS and making sure the serial settings are correct) and the flexibility of an IP KVM switch even with the extra cost? Or is a serial console switch just fine?

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• Can I replace a broken PSU with one of a smaller size?

  - by Carson Myers

  I have a broken OEM power supply unit that is cooked. I'm browsing online to find a replacement and am happy to see that they don't cost too much -- the only thing is they all seem to have varying sizes. Is it a problem if I get a PSU that is smaller than the original one? This is going in an HP Pavillion a000, it's about five and a half years old -- I don't know if that means anything, I just thought there might be some recent standardized dimensions for PSUs or something. No idea.

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• Is there a way to browse a media server (MediaTomb) with a media player (VLC)?

  - by twig

  I currently have an EEE PC set up with LinuxMint as my media server using MediaTomb. I use VLC as my media player on another Windows computer to watch videos off the media server. It works fine, but the current process is: Open up browser and navigate to folder Find the file I want to play and copy URL Paste URL into VLC and watch. This is fine for me on the PC, but it is a little troublesome for my parents to grasp (or for me to use on the phone). Ideally I'd like to: Open up VLC Browse to the file (using VLC) Click/select to play If there is any solution which is similar to this, please let me know. I'm willing to change the software on both server and client to accommodate (although it somewhat depends on which formats are supported on the server) Side note: I've tried searching online for this but I find a lot of jargon such as "media server/centre", media streaming, DLNA, UPNP and feel that some people are either using them interchangeably or incorrectly.

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• Rewrite rule Mod_Proxy truncate file name [duplicate]

  - by Valerio Cicero

  This question already has an answer here: Redirect, Change URLs or Redirect HTTP to HTTPS in Apache - Everything You Ever Wanted How to Know about Mod_Rewrite Rules but Were Afraid to Ask 5 answers I search online for the solution, but nothing :(. I write this simple rule RewriteRule ^(.*)$ http://www.mysite.com/$1 [P,NE,QSA,L] In mysite.it i have an .htaccess with this rule and it's ok, but if i have a link "http://www.mysite.it/public/file name.html" the server point to "http://www.mysite.it/public/file" I try many solution but i can't solve. I try this and many shades of... RewriteRule ^(.*)(%20)(.*)$ "http://www.mysite.com/$1$3" [P,NE,QSA,L] Thanks!

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• Need advise on choosing aws EC2

  - by Mayank

  I'm planning to host a website where in the first phase I would target 30,000 users. It is in php and runs on Apache server. I'm assuming 8,000 users can be online in worst case scenario and 1000 of them will be uploading photographs. A photograph will be resized to around 1MB at client side and one HTTP request is uploading only one photograph. My plan: 2 Small EC2 instances to run Apache httpd 2 Small EC2 instances to DB (Postgresql). I to write data and other its read replica. EBS volumes for DBs Last, Amazon S3 for uploaded photographs. My question here Is Small EC2 instance more than what I require. I mean should I go for micro Is 8000 simultaneous user a right no. (to decide what EC2 instance to choose) for a new website Or should I go for Small instance so to make it capable of spikes

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• Computer becomes very slow (permanently) after running a bunch of apps

  - by djzmo

  Hello there, My computer with Windows XP installed becomes very slow after I ran some heavy tasks at a time. (play a full 3D online game while extracting a 4GB RAR archive) It freezes for about 200~500ms every few seconds, and this always happens if I do heavy tasks at once in my computer (for example, installing a program while playing games), and the lag remains permanently (even a reboot won't make it better) unless I repair-install the Windows. Since I have a low-end computer: Intel(R) Pentium(R) 4 CPU 2.00 GHz, 512 MB of RAM ATI RADEON 9550 AGP 256 MB And the only way I used everytime to fix this problem is by repair-installing my Windows XP. So that I won't lose any data or installed programs. But I believe there's a better and faster way to fix this without repair-installing the Windows. Any idea?

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• Manage song metadata on CentOS from command line

  - by Puddingfox

  I am making a simple Pandora.com alternative for myself and a few friends where the user can upload his/her songs and listen to them anywhere. My intent is to make a lightweight, simple player in HTML5 so all the user needs is a current Firefox or Chrome to use it. I have set it up so that all uploaded songs get converted to .ogg and added to a database but I also want some metadata (not sure if that is the correct term) for the songs to be stored in the database so the player can tell the user what song he/she is listening too. I know there are several GUI tools for managing the title/artist/album info for songs but I'm having trouble finding any good ones I can use from the command line. If the song has the information already in the file, I think I can use mplayer to retrieve the information but it would be really great if there was one that would look up the song information online. I don't mind interfacing with an API (would be pretty interesting actually). Do you guys have any suggestions?

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• MASM Syntax Highlighting in C++ for Visual Studio 2010

  - by Ian Mallett

  So, I had Visual Studio 2010 Ultimate, and everything was great. However, I was confused, thought I wanted MASM, and installed the SDK. This causes strange problems for syntax highlighting. When I'm editing a C/C++ file, for instance, a lot of words (e.g., "data", "add", "sub", "mul", "div", "eax", etc.) are highlighted. At first, I thought I'd just learn to live with it, but it has gotten annoying. I could find nothing online, so, I deleted the MASM folder completely (method of uninstallation), uninstalled Visual Studio, and then installed it again. I firedit up, and the problem persists. Any clues? Thanks, Ian

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