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• How can the shared hosting server provide unlimited physical subdomains as opposed to unlimited virtual subdomains?

  - by xport

  Some hosting companies offer unlimited subdomains. There are two kind of subdomains: physical subdomains and virtual subdomains. A physical subdomains has its own site directory rather than being nested inside the site directory of its parent domain. A virtual subdomain site directory, on the other hand, is nested inside the site directory of its parent domain. I wonder how can the shared hosting company provide unlimited (theoritically) physical subdomains? In my understanding, each physical subdomain represents a new site (rather than a new application or virtual directory) in IIS. Please correct me if my mental model is wrong.

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• Windows 7 boot order and locations

  - by Russ C

  Hi, Long story short, a program that shouldn't have been run on this machine has been, and it's created a naughty .sys file that is being loaded right after pci.sys (as determined by NBTLog.txt) I've had a look a BCDEdit, EasyBCD and a number of Registry keys but I can't seem to determine where about winstart.exe actually gets the list of sys files to load from! The sys file itself is running in high elevation and appears to be defeating all attempts to remove it; I could (probably should) make a Linux USB boot disc and use it to delete the sys file, but I'd really appreciate understanding the mechanics here. ((FWIW: the problem stemmed from a sibling running a Trainer for some game; he has been suitable chastised))

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• Dreamweaver not connecting RDC

  - by thomas

  I am trying to use Dreamweaver to Remote Desktop Connect into a computer where a website is hosted. Normal traffic to this server is routed to another domain, but when accessed by IP (it is my understanding) the traffic never hits any sort of nameserver request, and so stays there. This server is set up so that the only way I can access it is RDC. I can connect using an RDC program, but when I attempt to use Dreamweaver, I get a vague error. The desired action could not be completed because an unexpected client/server communication error occurred. I have Web URL as http://my.ip.number/directory And in the settings panel, I have Host name: my.ip.number Port: 3388 Host directory: C:\Program Files (x86)\directory/directory Username: user Password: ••••••• What could be preventing Dreamweaver form connecting? Thanks! SERVER DETAILS It is a virtual server Windows SERVER 2008 R2 Standard Service Pack 1

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• Is going for a BCS the right move for me?

  - by Michel Carroll

  I'm at a fork in the road. I need somebody to give me some advice from their personal journey in IT. At the moment, I have a college diploma (2 years) in Computer Programmer, and about 2 years of professional experience in the field of software. I'm currently freelancing my programming skills to the public, and am enjoying a nice income, and the rewards of flexibly working on a variety of projects with different cool people. I'm young (21 years old), passionate about software, technology, the internet, and also business. I know if I ever want to dwell deeper into the software industry, I might have a hard time doing so without a Bachelors in Computer Science. On one side, I think I'm better off getting my BCS while I'm still young and malleable. Also, the thought of learning even more stuff in my field is really exciting to me. On the flip side, it means another 3-4 years of studying, and jeopardizing my chances of going on vacation and accumulating wealth for a long time. Considering that I'm already pretty successful with my college diploma, do you think it's a good idea for me to go get my BCS? Will it open up many more doors in the future?

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• VLSM help required

  - by user68062

  I have confused myself following a VLSM tutorial and need to get my understanding confirmed, would this be the correct format, or am i away off again 172.31.0.0 VLSM this network address for as many subnetworks as possible, with no more than 14 hosts in each subnetwork. Show the subnet mask used. As the ip address is class b and contains 16 bits in the network portion, this means that we can have 2^16 = 65536 possible networks, to give each of these networks a maximum of 14 hosts we would use the subnet prefix \28 for each subnet. Is this correct? Thanks BB

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• Connecting to my SMTP server

  - by Joseph Silvashy

  I have a few questions, I just installed SMTP on my Ubuntu server, and I want to know how to connect to it from a different machine... I'm not really clear. I tried: telnet my.servers.ip.address 25 I think it's running on port 25, but I don't know where to find out, its not in the conf file anywhere. Additionally do I need it to be a FDQN? or can I just access my mail server via it's IP address? I know that the service works on the machine because I'm able to echo test | mail -s "test" [email protected] Any help debugging or understanding this would be helpful, thanks guys!

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• Logging off does not kill process in Windows Server 2003

  - by user25951

  I have a Windows Server 2003(Enterprise, SP2). My understanding was that any process created by a user will be terminated when the user loggs off the account. But its not happening. I login via Administrator account. Start a simple java process and logoff. But the process is not killed. Is there any configuration for this or something? I am mostly a software programmer and not much in to servers and so I am stuck. I found out that while logging off, 1) Win32 is supposed to send a CTRL_LOGOFF_EVENT to all processes started by that user. 2) JVM is supposed to handle this event and terminate the VM. But I can't understand why my java process is not killed when i logoff. Any idea!!!

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• Outlook 2010 intermittently going offline

  - by BarmyArmy

  Just a quick question to see if anyone can give me any direction in or solve the the following problem: Within the office there are a minority who use Outlook client using IMAP and the rest use Thunderbird on Linux. The people who are using Outlook 2010 are repeated (almost daily) reporting outages of emailing services for hours at a time forcing them to sign in and out etc but the people using Thunderbird do not have any issues what so ever which I assume will rule out an issue with the old mail server we are currently using. Any help in the matter would be hugely appreciated and of course if I can provide any further information to articulate understanding of the issue then please just ask. Thanks!

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• Mail Stuck in Backend Exchange Queue

  - by Kyle Brandt

  I have a message that has and is stuck in a queue on my backend mail server. The queue is: Internet Mail SMTP Connector (MY_FRONT_END_SERVER_NAME)-524350ff... It is in state retry with 183 failures. It is only one message and all other mail is flowing. The message is not particularly large. My limited understanding, a guess really, is that this message should get handed off to the front end mail server and sent to the remote hosts for which it is destined, so it should even matter if the remote host is up. However, I can telnet to the smtp provider of that host. How can I find out why it is stuck in this queue, and can I force it out somehow (unfreeze doesn't help me)?

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• How to modify Chrome newtab.css from within a Chrome theme?

  - by user143423

  I want to modify the CSS for new tab page. NOT make new tab page. I already made a new tab page, but many users installing my themes won't also install the new tab page extension. So I want to modify the CSS on the new tab page for those who ONLY want my theme. It is my understanding that chrome://theme/css/newtab.css is the stylesheet I need to change. Feel free to tell other ways to add CSS to the ORIGINAL new tab page in Chrome.

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• Clustering with Vsphere and Apache load balacing

  - by Anonymous2011

  I was looking at Vsphere to automatically load balance my apache web servers, and mysql servers but will this actually do the job? I know it says it does auto load balancing but not actually sure it quite means what I want to achieve. Is there an easier way to set up a php-apache and mysql cluster within virtual machines? Or are there any guides to clustering? (I have tried googling without much luck) Any help towards understanding/setting up clustering and load balancing within virtual machines appreciated.

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• Logical and Physical network topologies

  - by t.thielemans

  I'm trying to understand the difference between logical and physical topologies but it's a bit confusing to me. Cisco states these as logical topologies, but from my understanding these should be physical topologies? This is what I understand so far: Physical PtP: desktop directly connected to a desktop Multiaccess: several desktops connected to a medium with access to each other (Cisco Ring image, how should I view this in a live situation?) Ring: several desktops directly connected to each other creating a loop? Logical PtP: two desktops (virtually) connected to each other with intermediairy devices in between MultiAccess: (don't have a clue) Ring: (don't have a clue) Could anyone help me out and perhaps explain the difference a bit more detailed? Online I can't find any useful topics. I am using the Cisco Network Fundamentals book.

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• What are the essential considerations for setting up systems in a location with unreliable power?

  - by dunxd

  I deal with a lot of remote offices located in parts of the world where the local grid power supply is unreliable. Power can go off anytime with no warning, with outages ranging from minutes to days Power fluctuation is wild, with spikes and brown outs Currently the offices will have some or all of the following: A generator, with an inverter, or some sort of manual switch A big UPS or battery array connecting a number of devices Several smaller APC UPS with computers attached Low cost Voltage Regulators sometimes connected between mains and UPS or device. I know that each of these things needs to be appropriately rated for the equipment to which it is connected (although I am not sure how to calculate the correct rating). The offices will generally have the following equipment (in varying quantities): some sort of internet connection device (VSAT router, ADSL modem, WiMax router) Cisco ASA 5505 firewall a bunch of PCs printers one server I don't seek to replace the advice of an electrician, but in some of these locations they only answer the questions you ask them, so I need to make sure I have enough understanding of the essentials to protect equipment from damage, and possibly get through some power cuts.

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• How do I set logfile rotation limit for CF8 -out logs?

  - by melikeum

  I'm trying to set the number of logs to keep for the CF -out logs. I found a jrunsvc command line switch to set this but it throws an error saying the value must be at least 1000: jrunsvc.exe -logfileRotationLimit 50 "ColdFusion 8 Application Server" Error: log file rotaion limit must be at least 1000 The default is 200 files which seems excessive but 1000 is even worse. Am I not understanding this value properly? I did set it to 1001 and then I found this registry entry: HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services\ColdFusion 9 Application Server\LogFileRotationLimit I'm hesitant to set it there manually in case the value does not equal the number of files to keep.

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• Simple Windows+Linux server provisioning? Chef/Puppet/Ansible etc

  - by Andrew

  I'm primarily a developer, part time devops; and manage servers here and there for my projects. I want to automate provisioning of web/app/database servers going forward for my projects I manage a mixture of both Windows and Linux servers (VPS, cloud and dedicated) I've looked at investigated Chef/Puppet/Ansible briefly; and I am wanting to find something that: Is easy to learn and understand. I don't want to invest weeks into understanding a complicated piece of tech. Ideally does not require a server ("master server") to hold the configurations Supports provisioning of Windows and Linux servers Comes with suitable documentation to get started Does anyone have any advice on what tool is best suited? Thanks

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• Why no Win16 support in 64-bit Windows?

  - by dsimcha

  My understanding (from Wikipedia) is that the x64 instruction set supports executing 16-bit protected mode code from long mode, but cannot execute real mode code without being switched out of long mode because long mode lacks virtual 8086 mode. Therefore, it stands to reason that real mode DOS apps can't be run in Win64 w/o software emulation or dynamic translation. However, why was support for Win16 protected-mode apps excluded when support for them seems (at least at first glance) to be reasonably implementable and is included in newer versions of Win32? Was it just a matter of demand not being high enough to justify implementation costs (and the win32 version was already implemented), or is there a good technical reason?

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• Why is hosted storage so expensive?

  - by Mark Henderson

  There are many questions on Server Fault asking why server storage is so expensive. e.g. Why do I have to pay 50 bucks a month per extra gigabyte of storage or Our file server is always running out of space, why doesn't our sysadmin just throw an extra 1TB drive in there? These questions usually come from people who lack an understanding of how enterprise-level storage works and what influences the price. This question is designed to be the "question to end all questions" regarding the price of enterprise storage.

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• How do I move *all* the installed software on my EC2 isntance to EBS?

  - by drhyde

  I got started with Eric Hammond's great article over at http://aws.amazon.com/articles/1663 where he goes through installing MySQL and configuring it to use EBS. I got that going. I also have a lot of other stuff installed on that EC2 instance: Rails, a bunch of gems, Nginx+Passenger and so on - my understanding is that unless I explicitly configure it to use EBS, all of this sits on the EC2 instance's ephemeral storage - right? How can I move all the software I have installed to EBS - or better yet how can I set up such that going forward also any new gems etc that I install also go to the EBS volume?

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• Windows 7: Use VirtualStore as user for own benefit?

  - by mfn

  I've researched a bit and came to the understanding that VirtualStore is part of the new UAC feature in Vista/W7 which is the file system part of the transparent data redirection and redirects write access to folders like program files to C:\User\<username>\AppData\Local\VirtualStore\ in lack of applications respecting the LUA principles. Now I'm interested if that kind of transparent redirection can also be used as a power to the user. Here's an example which comes to my mind: I install any kind of software to e.g. D:\Whatever\ThisAndThisApp\ and I set up things that, after initial installation, any write access to this folder is transparently redirected to e.g. D:\MyOwnVirtualStore\Whatever\ThisAndThisApp\file_only_writable_here.txt. Is this thinking too far or can I actually use that power of VirtualStore as a user on Windows 7? I'm using the Professional version of that matters.

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• connecting internet TV modem to repeater router, will it work?

  - by Sandro Dzneladze

  I've internet TV at home, it works via special modem which connects to router via Lan interface. I'd like to move Tv to a room which has no router. so i'd like to use wifi for internet TV. My plan is this, buy another wifi router, set it to repeat sygnal of primary router and attach this TV modem to repeater router via Lan interface. Will this work? I have limited understanding of how internet TV works, so I'm not sure if my strategy will work... does router have to have some special feature to allow this service? will my strategy work?

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• snmptrap and snmptt - authcommunity not found

  - by sabs6488

  I am trying to configure snmptt to translate the snmp traps received and handle them as passive checks in icinga monitoring server as described here . after doing the changes to the snmptrapd.conf . I am trying to restart the service and I see authcommunity : command not found, traphandle : command not found . my understanding is the authcommunity and traphandle are just configuration directives which will tell snmptrapd about the community string to use and the traphandle script to be called. It would be helpful if someone can help me understand better. Thanks, sabs

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• Apache Virtual host Subdomains points to same directory

  - by Jakobud

  I have setup subdomains using Apache before and have never really ran into any big problems. But with this (I believe Centos) server that is one of my clients, I'm not understanding what I'm doing wrong. Here is the .conf that apache is loading: Listen 80 NameVirtualHost *:80 <VirtualHost *:80> ServerName www.thedomain.com DocumentRoot /u1/thedomain.com/public RailsEnv production </VirtualHost> <VirtualHost *:80> ServerName subdomain.thedomain.com DocumentRoot /u1/subdomain.thedomain.com/public_html </VirtualHost> When I access either the primary or subdomain addresses, they both point to the primary www.thedomain.com content. Any thoughts? UPDATE: Yes I did a configtest and graceful after making the changes.

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• Weblogic Class-Path Dependencies EAR

  - by user18287

  I am deploying an EAR in a WebLogic node with many jars defined in the bootstrap (startWeblogicServer.bat) class-path. The problem is that my ear and the bootstrap contain different versions of the same jars, not only that but certain jars contain extracted third party libraries which also differ in version from the WebLogic bootstrap jars causing all kinds of classpath errors. I know you can set preferred jars in the EAR application xml but, this can be very tedious to resolve with regards to jars which include extracted third party libraries in terms of understanding all the dependencies.. Is there a correct approach that i need to be taking here? Am i thinking about this in the wrong way? Any help would be greatly appreciated! So far prefer-web-inf-classes has been recommended but wont work because i'm not deploying a WAR, also prefer-application-packages is what we are currently using but still has the issue described above... Anymore advice out there?? Thanks!

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• After deleting a local machines offline file cache, the same user's "my documents" no longer redirects to the network location.

  - by stead1984

  One of my apprentices was tasked with clearing out unused local profiles and clearing the offline file cache. After he cleared the offline file cache and rebooted the machine, he would log in as himself and no longer have his "my documents" redirected to the set network location. More over this seemed to then affect ANY other networked machine he logged into, except his own laptop. All our standard workstations run Windows XP Service Pack 3, the apprentice's laptop runs Windows 7 Professional. I can understand how clearing the offline file cache after deleting old local profiles could cause this issue but draw a complete blank as to why it would affect all networked machines. It's a strange one so this question may be a little hard to understand so any questions or further understanding required please ask.

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• HOSTNAME environment variable on Linux

  - by infogrind

  On my Linux box (Gentoo Linux 2.6.31 to be specific) I have noticed that the HOSTNAME environment variable is available in my shell, but not in scripts. For example, $ echo $HOSTNAME returns xxxxxxxx.com, but $ ruby -e 'puts ENV["HOSTNAME"]' returns nil On the other hand, the USER environment variable, for instance, is available both in the shell and in scripts. I have noticed that USER appears in the list of environment variables that appears when I type export i.e., declare -x USER="infogrind" but HOSTNAME doesn't. I suspect the issue has something to do with that. My questions: 1) how can I make HOSTNAME available in scripts, and 2) for my better understanding, where is this variable initially set, and why is it not "exported"?

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