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• Thunderbird is unable to find server in DHCP controlled network.

  - by Skizz

  I have a network which consists of linux server and a combination of WinXP, Win7 and linux clients. All the systems are given dynamic IP addresses by the router which connects them all together. The server hosts an IMAP mail server. On Win7 and WinXP Thunderbird can access the IMAP server without any problems. On the linux client, using the same IMAP parameters, Thunderbird is unable to connect to the server. How do I get Thunderbird to find the server? I'm not sure if this is a linux system configuration problem or a Thunderbird issue. Additional note: The linux client is running Gnome, the server has a series of Samba shares defined. In the client, doing Places-Connect to Server and selecting Windows Share and specifying the server name, the Samba share is mounted OK.

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• Software/hardware to build video streaming server?

  - by Sasha Yanovets

  I am looking for a video streaming server solution, something like online TV server, with ability to make live broadcasts in the internet. What software could you recommend for that? What kind of hardware it should run on, should be there anything special? I am looking for a solution that could be scaled up to at least 1000 simultaneous users online with good resolution of video. I think it is good to have general answer on what direction to choose. But here more details on my specific case: I just looking for a solution almost from scratch. We have some video content that we've produced, but it is not delivered over internet yet. We do not tied to any particular vendor for now. We want to make 24 hours of steaming three 8 hour blocks with change of content every day. We want the ability to make regular live broadcasts. I guess we will need to have several options of streaming quality (low ~56 kb/s mid ~273 kb/s). Some terms just foreign to me (like play-truncation rate), if you could point out what parameters we should avare of, it would be great. Uplink to the internet is to be determined. We plan to start from something and scale up on the way. If you are already have some kind of media streaming server, just describe its configuration here (hardware, OS, software), peak number of concurrent users it serves. I think it could help people approaching this task.

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• Powershell and DfsrConfigurationFromAD - how to check all servers are updated?

  - by user57792

  I have two Win2012R2 servers (SERVER1 and SERVER2) that uses DFS Replication for keeping a couple of folders synchronized. Using the following Powershell-script that i run on SERVER1 I disconnect it from the group: Set-DfsrConnection -GroupName "Group1" -SourceComputerName "SERVER1" -DestinationComputerName "SERVER2" -DisableConnection $True; And to update both the servers with the configuration I run the command: Update-DfsrConfigurationFromAD -ComputerName "SERVER1","SERVER2" Now the question is, how can check on SERVER1 that SERVER2 has gotten the updated information from the AD so that I can be sure that the connection has been disabled? Usually it takes around 10-30 seconds after the Update-DfsrConfigurationFromAD command has been run before the DFS Management on SERVER2 gets updated but I need some kind of a "check and sleep loop" in my code. I've tried checking event logs and using Invoke-Command {Get-DfsrConnection} from PM-SERVER01 but nothing seems to work.

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• .VBS scripts have stopped running... No idea why!

  - by Django Reinhardt

  We have two .vbs scripts that are run by our Task Scheduler that have suddenly stopped working for no reason we can fathom. We haven't significantly altered our system configuration in the last 24 hours, and the scripts have run without a hitch for months. According to the Task Scheduler the scripts just keep running and never stop, which is never the case. I stopped all running versions through the Scheduler and manually attempted to run one of the .vbs scripts. I got the following error message: Line: 15 Error: The system cannot locate the resource specified. Code: 800C0005 Source: msxml3.dll Line 15 (or 16 to be more accurate - line 15 itself is blank, but so is line 1) is: xml.Send Would could have suddenly caused this? Looking in system32\ and sysWOW64\ shows that msxml3.dll exists. Anybody got any ideas? Thanks a lot!

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• How can I get a list of default documents in IIS using PowerShell?

  - by SGarratt

  I'm managing a Server Core machine and trying to do everything in PowerShell, which is fun. I need a list of the default documents. From other websites, I've found out how to set and remove them, using both xxx-WebConfiguration and xxx-WebConfigurationProperty. I've tried: Get-WebConfigurationProperty -Filter /system.webServer/defaultDocument -PSPath "IIS:\sites\Default Web Site" -Name files but it gives: Collection : {Microsoft.IIs.PowerShell.Framework.ConfigurationElement, Microsoft.IIs.PowerShell.Framework.Configuration Element, Microsoft.IIs.PowerShell.Framework.ConfigurationElement, Microsoft.IIs.PowerShell.Framework.Confi gurationElement...} ItemXPath : /system.webServer/defaultDocument Attributes : {} ChildElements : {} ElementTagName : files Methods : Schema : Microsoft.IIs.PowerShell.Framework.ConfigurationElementSchema which doesn't really help.

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• Windows 2012 Cluster on P6300 SCSI-3 Persistent Reservation issues

  - by Bruno J. Melo

  Scenario: 1 HP 6300 with latest XCS version 1 Command View 10.1 + with hosts defined as Windows 2008 2 BL460c Gen8 Servers with SPP 2012.10 and Windows Server 2012 Datacenter Edition with all the updates + MPIO feature enabled DSM v4.03.00 Cluster Analyser Tool triggers this error: Test Disk 0 does not support SCSI-3 Persistent Reservations commands needed to support clustered Storage Pools. Some storage devices require specific firmware versions or settings to function properly with failover clusters. Please contact your storage administrator or storage vendor to check the configuration of the storage to allow it to function properly with failover clusters. Any ideas? Thanks for your help!

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• Serving static content with Apache web server and Tomcat

  - by Hunter

  I've configured Apache web server and Tomcat like this: I created a new file in apache2/sites-available, named it "myDomain" with this content: <VirtualHost *:80> ServerAdmin [email protected] ServerName myDomain.com ServerAlias www.myDomain.com ProxyPass / ajp://localhost:8009 <Proxy *> AllowOverride AuthConfig Order allow,deny Allow from all Options -Indexes </Proxy> </VirtualHost> Enabled mod_proxy and myDomain a2enmod proxy_ajp a2ensite myDomain Edited Tomcat's server.xml (inside the Engine tag) <Host name="myDomain.com" appBase="webapps/myApp"> <Context path="" docBase="."/> </Host> <Host name="www.myDomain.com" appBase="webapps/myApp"> <Context path="" docBase="."/> </Host> This works great. But I don't like to put static files (html, images, videos etc.) into {tomcat home}/webapps/myApp's subfolders instead I'd like to put them the apache webserver's root WWW directory's subdirectories. And I'd like Apache web server to serve these files alone. How could I do this? So all incoming request will be forwarded to Tomcat except those that ask for a static file.

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• backup an existing linux server to a virtualbox virtual machine

  - by user146526

  I have some servers and VPSs to many companies across the world. I want to back them up locally. I have some backup solutions enabled to remote hosts, but I want to have a local backup on a computer at home. What I am thinking is: 1) Create a virtualbox virtual machine, install the same version linux as the server. 2) Use rsync to backup the server to the local virtualbox machine. (something like rsync -av --delete --progress --exclude '/dev/' --exclude '/proc/' root@server_ip:// / ) 3) Repeat the command every few days update files. 4) In case of a hard disk failure, or any other bad event, reverse the rsync command and get the files back and continue my bussiness. I tried it with 2 openvz VPS, the one was a backup of the other. I also tried to transfer normal linux server host to openvz machine and it worked great. That way looks pretty clean and easy to me, this is the kind of solution I am looking for. However I need to be sure that this will work if I am going to do it. The question is, will that work ok ? Does anyone see any problem with that ? Do you have any other suggestions ? Thanks

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• SSH connection times out unless I tunnel in from a different server-

  - by rm-vanda

  OK, so this just started last week - Whenever we try to connect to our server via ssh (we use sftp, as well) - The connection times out. However, when you ssh to any other server and then ssh into the machine - it works flawlessly. Now, the mindblowing thing is that sometimes the ssh connection will succeed. Moments ago, I tried it from another machine, and then my own, and it worked - only to time out the next go around. Last week, simply restarting the ssh daemon worked, but this week, no such luck. I even went in and changed: /etc/hosts.allow ALL : ALL and /etc/hosts.deny is blank. The firewall config hasn't changed - but I even disabled the firewall to see if that would work - It did, for a moment - before cutting off, again. (ufw is set to "ALLOW" not "LIMIT") When I try SSH'ing in from my phone -- it works, fine -- So, it seems the problem is with our ISP/router/gateway - However, I see no log in the router/gateway that says its blocking our connections - And that wouldn't explain why we can SSH into any other server -- except for this one - from our network --- I truly appreciate any insight that anyone may have on this matter -

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• Bad IIS 7.5 performance on webserver

  - by Robert P.

  I have a webpage (ASP.NET 4.0 / MVC 4). On my development machine (i5-2500 3.3 8GB Win7 VS2010 SP1 Fujitsu Esprimo P700) the page performs with 160 requests/sec on devenv webserver on my machine. The page performs with 250 requests/sec on my local IIS 7.5. (uncompiled web) The page performs with 20 requests per second on a 16core 32gb ram production server (Fujitsu RX-300 w2k8 rc2 IIS 7.5). (compiled web) Why? I think it's the IIS configuration but i can't figure out whats the problem. The page runs with 1 worker process on both machines. Web garden is not an option (it helps but the app isnt compatible with)

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• My server keeps sending emails to [email protected]

  - by xtrimsky

  When I type mailq on my server, I get: BB523653A62 4025 Wed Jun 4 10:40:07 MAILER-DAEMON (delivery temporarily suspended: host p3smtpout.secureserver.net[208.109.80.54] refused to talk to me: 554 p3plsmtpout002.prod.phx3.secureserver.net : DED : AJeb1o0334uf1Y801 : DED : You've reached your daily relay quota - IP.ADDRESS) [email protected] B33AD653A4A 4025 Wed Jun 4 08:20:07 MAILER-DAEMON (delivery temporarily suspended: host p3smtpout.secureserver.net[208.109.80.54] refused to talk to me: 554 p3plsmtpout002.prod.phx3.secureserver.net : DED : AJeb1o0334uf1Y801 : DED : You've reached your daily relay quota - IP.ADDRESS) [email protected] B77DF653A63 4025 Wed Jun 4 10:50:07 MAILER-DAEMON (delivery temporarily suspended: host p3smtpout.secureserver.net[208.109.80.54] refused to talk to me: 554 p3plsmtpout001.prod.phx3.secureserver.net : DED : AJvF1o00L4uf1Y801 : DED : You've reached your daily relay quota - IP.ADDRESS) [email protected] B943C653A3C 4025 Wed Jun 4 06:40:07 MAILER-DAEMON (delivery temporarily suspended: host p3smtpout.secureserver.net[208.109.80.54] refused to talk to me: 554 p3plsmtpout001.prod.phx3.secureserver.net : DED : AKBv1o00P4uf1Y801 : DED : You've reached your daily relay quota - IP.ADDRESS) [email protected] (there is probably about 50 of these, and I've cleared the queue today), do you know where these could be coming from ? is it my server sending some logs to "hostmaster" ? I've replaced my actual domain, with "MYDOMAIN". How can I find what could be sending these emails ? The server has recently been hacked so I'm also a bit worried. Thanks!

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• Per-mailbox IMAP settings in Exchange 2003 apply successfully but revert to server default

  - by erictheavg

  The title says most of it. I have a Spiceworks mailbox that connects to our Exchange Server 2003 box via IMAP for receiving help desk issues. But for complicated reasons, I want it to receive those emails in text-only format. So, I discovered that you can just go to: Exchange System Manager Administrative Groups First Administrative Group First Storage Group Mailbox Store Mailboxes Right-click the mailbox, Configure Exchange Features Edit the properties for IMAP Set that mailbox to only receive message bodies as plain text. I click OK, then Next, it reports success, and I assume I'm done. But then when I go right back to where I was, I see that "Use protocol defaults" is still checked. Anyone have a clue why this would be? Some other details: I'm logged in as Administrator when I do this. I can't change this setting for the entire IMAP virtual server because some regular users use it. I only have one IP address to play with, which means I can't create another IMAP virtual server. Any suggestions or ideas are greatly appreciated!

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• Cannot access Samba Share that is on Linux

  - by doug

  I have 3 virtual machines; Windows Server 2012, Windows 8, and CentOS Linux. The Server is configured with active domain. The CentOS VM has a Samba Share which has rights for the domain Administrator. Now, the Windows Server 2012 DC can successfully locate the share, but cannot access it (with Admin) ? Is it not possible for the Server to have access to it has Domain Client Admin, not Server Admin ? Hope this is clear? Thanks

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• Server needs to ping outgoing before allowing connection

  - by QuintenVK

  Okay, first our setup: I'm currently working over VPN to a mac mini OSX 10.6 server. We have a testsetup VM running on that, using ubuntu 12.04. Earlier today, there was an outage because of which our mac mini server was reset. Since then, i was unable to initiate a connection to the VM (which i did boot) -- no ssh, no web, ... . I couldn't ssh or web from the mac mini to the vm either. I could do so from within the VM itself, though. Ping did work on all machines. Lastly, I tried pinging from the VM to my laptop. It took a moment, but then it finally started to ping (no timeouts or so). After that, web and ssh magically worked. I then didn't use the machine for about 5 minutes, after which i had to ping from the server to my laptop again before i could setup a connection. I'm in the dark on what this could be, though I think this is something to do with lookups.

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• Unauthorized access error to html pages in IIS 7.0

  - by George2

  I am using VSTS 2008 + C# + .Net 3.5 + IIS 7.0. I have created a new web site and put an html file into the directory. And when I use browse function in IIS manager to browse the html file, I met with the following error, any ideas what is wrong? BTW: I am very confused about unauthorized error since I run the worker process under administrator account. From the error message, I am confused why the logon method is anonymous and not using administrator account? HTTP Error 401.3 - Unauthorized You do not have permission to view this directory or page because of the access control list (ACL) configuration or encryption settings for this resource on the Web server. Module IIS Web Core Notification AuthenticateRequest Handler StaticFile Error Code 0x80070005 Requested URL http://localhost:80/a.html Physical Path C:\test\simplehosttest\a.html Logon Method Anonymous Logon User Anonymous thanks in advance, George

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• mail server checklist..

  - by Jeff

  currently we ran into some issues with our mail server setup. im preparing a list of actions that we should enforce and use in order to maintain a proper email solution within our company. we have around 80 exchange users, and send mass emails out almost on a monthly bases to 20,000 + customers each time.. the checklist i currently have: 1) mcafee mxlogic 'cloud' anti-spam functionality for incoming message. 2) antivirus on each computer in company 3) antivirus on exchange and DNS servers 4) setup SPF record 5) setup DKIM 6) setup domainkey 7) setup senderID 8) submit spf to microsoft, yahoo, etc. for 'whitelist' purposes. 9) configure size limits for messages in exchange to safe numbers 10) i have 2 outside IPs for my email server, incase one gets blacklisted, switch to the backup. 11) my internet site rests on a different ip than the mail server 12) all mass emails for company sent through 3rd party company (listtrak.com) 13) setup domain alias, media, enews, and bounce for the 3rd party mass mail software. 14) verify the setup using [email protected] 15) configure group policy and our opendns.org account to prevent unwanted actions and website viewing mass emails: 1) schedule them to send different amounts at different times (1,000 at 10am, 1,000 at 4pm, 1,000 10am next day).. 2) setup user prefences, decide what they want to receive ect. ( there interests) 3) send a more steady flow of email, maybe 100 a week with top new products instead of 20,000k every other month.. if anyone has suggestions or additions/subtractions to this checklist they are greatly appreciated. thank you

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• Trying to install PHP 5.2 on IIS/Win 2008 - Error 500

  - by Razor

  I have a fresh install of IIS 7 - I just added Web Platform Installer, and PHP 5.2 thru that. However, when trying to access to a simple test.php file (just has phpinfo() in it), I get the following list of errors: • IIS was not able to access the web.config file for the Web site or application. This can occur if the NTFS permissions are set incorrectly. • IIS was not able to process configuration for the Web site or application. • The authenticated user does not have permission to use this DLL. • The request is mapped to a managed handler but the .NET Extensibility Feature is not installed. The domain was created with dot net panel, but I don't think that has to do with this problem, unless maybe it uses a specific user? Maybe I need to add php thruough dot net panel? Any idea of what I'm doing wrong here?

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• How can I re-create Microsoft Cluster Service resource groups on a different cluster?

  - by PersonalNexus

  I use Microsoft Cluster Service on a cluster of Windows Server 2003 machines containing several dozen resource groups. In the process of migrating to newer hardware, I would like move resources to the new machines on resource group at a time spread out over a few days to ease the migration and minimize risk. I was wondering of there was a smarter way to do this than manually re-creating resources on the new and then deleting them on the old cluster? The cluster has already been set up properly, the only missing is the resource groups and the resources they contain (IP, network names, services...). I have looked through the options of the cluster admin GUI and cluster.exe's commandline options, but haven't found anything like an import/export feature to copy over the configuration of a resource or entire resource group. Does something like this exist?

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• Howto dianostic problem in MySQL Cluster?

  - by maj

  Hi, I have set up a MySQL cluster following exactly this howto. Page 1 is completed, but the problem I can see the nodes in ndb_mgm for a little while, and then I get ndb_mgm> show; Cluster Configuration --------------------- [ndbd(NDB)] 2 node(s) id=2 (not connected, accepting connect from 192.168.0.101) id=3 (not connected, accepting connect from 192.168.0.102) [ndb_mgmd(MGM)] 1 node(s) id=1 @192.168.0.103 (Version: 5.1.45) [mysqld(API)] 2 node(s) id=4 (not connected, accepting connect from any host) id=5 (not connected, accepting connect from any host) ndb_mgm> So the questions is; How do I diagnostic this problem? Does there exist log files I can look in?

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• Alias for Drupal "Sites" folder with Apache on Windows Server 2008

  - by sgtbeano

  I'm having to move a number of sites from a LAMP stack to a WAMP one, provided by Zend, and I've hit a problem. Our architecture is a number of loadbalanced web servers which have their own local webapp drives which are kept in sync with one server performing as the master copy. There is then a separate DFS share provided to all web servers from our pillar san. Usually a Drupal install under our LAMP cluster would have the main Drupal web app in a local HTDOCS mount for each server and the SITES directory within Drupal would then be symlinked out to the DFS or NFS share so that there is a common FILES and TMP directory. The problem I'm having is that there seems to be no equivalent of symlinks on Win Server 2008, shortcuts have a .ink at the end making Apache see them as a distinct file. So I've tried using an alias call in the vhost file like this; <Location /drupal-626/sites> Order deny, allow Allow from all </Location> Alias /drupal-626/sites "Z:\Path to alternate sites directory" The root for this test is; http://main-domain-url/drupal-626/ Unfortunately this isn't work so I'm wondering if any of you have a solution which would work? Many thanks for taking the time to read this.

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• Multiple iSCSI Targets or 1 that's shared?

  - by Joost Verdaasdonk

  On my network I have several types of files I want to save on a SAN like: SQL db's and logs Exchange data Random files Now I'm wondering if I should create one iSCSI Target with a large volume and initiate that from one of the servers. (and share it so other servers can use it too) Or I should create separate Targets to have each server use its own storage. For the record the storage could be separated because the servers aren't using the shared data. For one reason I was thinking of one storage is ease of backup. (but perhaps performance could be a problem?) What would be an advisable configuration for these type of data?

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• Group Policy dealing with IE zone assignment not sticking!

  - by Brandon

  I have a group policy (which ONLY deals with the zone assignment) -that is continually switching on and off with reboots. I thought it was a conflicting group policy but when I run group policy modeling report it doesn't show any descrepancies that I can see. I thought it may be an issue with one domain controller wasn't replicating my policy change to the other one, but this isn't the case. I checked both domain controllers and they show the same information. The assignment is on a user basis and is in: user configuration > administrative templates > windows components > internet explorer > internet control panel > security and is site to zone assignment.

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• ubuntu 12.04 kvm virtual server network setup, can't get the machine to be connectable

  - by xyious

  I have worked on my Ubuntu Server host for weeks now and I just can not manage to get the virtual machines into the network.... here's what I need to do: I need to be able to create virtual machines that have IP addresses that can be reached from the outside (192.168 network). I need to be able to connect to the virtual machines through ssh, ftp, http and preferably https, anything else doesn't matter that much. So far everything seems simple enough and I have a lot of leeway in terms of IP address range and server/client configuration. I have the option of taking part of a /24 net as most IPs aren't used, and if it's absolutely necessary I have the option of creating a new /24 subnet. Also have the option of reformatting and reinstalling OS on the host and recreating the virtual machines as nothing has been done other than trying to get virtual machines to work. I would prefer if the virtual machines were just part of the normal network which would be 192.168.5.0/24. The host machine has 2 network cards so I don't even necessarily need the Host to be connectable in the same /24 network. I have tried (I think) just about everything from about 5 different tutorials on bridging (giving br0 the same IP that eth0 used to have (Host is able to connect to VM and vice versa, VM doesn't have outside network access), having eth0 set up like it always was and having br0 have a different IP (same as above), NAT with port forwarding (which I would have preferred not to use but will if it works), turning off one of the hosts network cards and just using one of them, different subnets.... etc. I do know my way around iptables fairly well.... Host is 64bit Ubuntu Server 12.04, using libvirt/kvm. edits: Local network is 192.168.5.0/24, host has static ip 192.168.5.254, GW .5.1 which is also nameserver. We have a second Local network at 192.168.10.0/24 with .10.1 GW, but both hosts and VMs were supposed to go into the .5 subnet. The .10 subnet isn't required, but it wouldn't be horrible if the Host were only accessible in the .10 subnet.

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• How to set up multi users on dev server with git and github

  - by Derek Organ

  I'm working on lamp application. We have 2 servers (Debian) Live and Dev. I constantly work on dev main to add new features and fix bugs. When happy all works well I scp the relevant code to the Live system. Database (mysql) is local to each machine. Now this is pretty basic setup really and I want to improve the workflow a bit. I use git and github for version control. Admittedly I've only really used one branch. Their can be 3 different developers who work on the code at different times. We all use the same linux username to connect to the dev server and edit the code directly when needed. I usually then commit and push the code at the end of the day to github. One thing to bare in mind is it isn't easy to run this code on a local machine as there are many apache and subdomain configurations that wouldn't work on a local machine so it is important to work on the dev server not locally. I need to create a new process because we need to have a main trunk now and a branch with a big code re-write. What is the best way to do this. Should I create different unix logins for each developer and set up different working areas on the dev server for there changes? e.g. /var/www/mysite_derek /var/www/mysite_paul /var/www/mysite_mike my thinking is they can do a pull from the main branch and then create there own branch and merge it back in. I'm not sure how this will work though with git locally and with github. will i need to create different github user accounts as well. I'd like to do this the 'right' way and future proof for having lots of potential developers but I also don't want to over complicate it. I simple and elegant solution is preferred. any recommendations or suggestions?

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• Better urls for this internal web server?

  - by sprugman

  I've got a server that I have admin access to, but don't fully manage. (I think it's a virtual machine, but I'm not 100% sure. It's running Apache on Windows Server 2003.) I share the ip with another user, so my sites all have to use the :8080 port. This is kind of ugly. Also, AFAIK, the only access I have is through an ip address. (I'm inside a corporate firewall and don't think I have access to a DNS server or anything.) I've adjusted my hosts file so I don't have to use the ip address on my local machine, but that's not a very generic solution. Are there any options to 1) get rid of the port requirement 2) be able to use a name (maybe a machine name) instead of the ip address in a generic way? (I'm not really a network admin -- I'm a developer managing this machine. The IT folks who really manage it are a few people away from me and tough to get to do anything, so I'm looking for a light-weight solution if possible.)

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