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• Why is my hosts file not working?

  - by elliot100

  I've been using the hosts file to for local website development, and it's recently stopped working. No entries other than localhost resolve. I've simplified to test, so it now contains only 127.0.0.1 localhost ::1 localhost 127.0.0.1 test.dev localhost responds to ping, test.dev does not. The file is called hosts with no extension It has no trailing spaces It's saved in C:\WINDOWS\System32\drivers\etc which matches the value of HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters\DataBasePath Oddly, despite UAC being on, I can edit, delete and save the file without admin permissions No proxy is being used, PC is not connected to network for testing Stopping the DNS Client service seemed to resolve the issue for a few minutes, test.dev briefly resolved but doesn't any more. Only firewall is Windows' Machine has been restarted. Is there anything else I should try?

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• Software to watch movies at the same time and chat

  - by Thomaschaaf

  Hello! Sometimes I want to watch a movie with friends... them not always being near me makes it hard to do this. Usually everyone will either rent the dvd or get a copy online mostly as .avi files. Usually we all have chat windows open and when one has to pause to get a drink or because of some other reason it is VERY hard to resync. Is there software to handle this? The file could be hosted on linux machines in the cloud if that would be any help :) Greetings, Thomas

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• USB sector 0 not fount Kingston USB DT100 G2

  - by java

  Windows constantly asks me "Foramt Disk". when i go to command prompt and type format H: /fs:ntfs or format H: /fs:fat32 response: Cannot determine the number of sectors on this volume. if the benefit DISKPART detail disk Kingston DT 100 G2 USB Device Disk ID: 00000000 Type : USB Status : Online Path : 0 Target : 0 LUN ID : 0 Location Path : UNAVAILABLE Current Read-only State : No Read-only : No Boot Disk : No Pagefile Disk : No Hibernation File Disk : No Crashdump Disk : No Clustered Disk : No DISKPART detail volume Read-only : No Hidden : No No Default Drive Letter: No Shadow Copy : No Offline : No BitLocker Encrypted : No Installable : No Volume Capacity : 0 B Volume Free Space : 0 B what the problem?

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• Mac OS X 10.6.5 and link-local addresses (169.254.x.x)

  - by WMR

  Starting with the latest update of Mac OS X (10.6.5) all Apple applications (Safari, Mail, iChat, etc.) don't connect to the internet anymore, if the assigned IP address is from the 169.254.0.0./16 range. This is not a routing problem, I can still ping any server I want, even connecting via command line tools works. I know this problem could easily be fixed by changing the IP address to a more common RFC1918 address (e.g. 192.168.0.0./16), but this is what the ISP assigns via DHCP and I am not sure I can convince them (Xplornet) to change that. So I am wondering if there's a (hidden?) setting that would convince Apple applications, that they are in fact still online.

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• APC and "apc.gc_ttl" :: How Low is Too Low?

  - by nojak

  I currently have my apc.gc_ttl set to 600 to help keep fragmentation down. Since apc.gc_ttl just sets the time on cache for garbage collection, I don't see any harm in keeping it this low. However, I'm new to APC, and have seen many configurations online that use a 3600 TTL, which seems quite long to me for garbage collection cache... Is 600 too low? Is 3600 too high? As I'm sure mileage varies on this setup, is there a good rule of thumb to follow?

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• IPtables rate-limit, What are the differences between modules? Recent, Limit

  - by TechZilla

  I am doing some rate-limiting with IPtables, and i'm not sure if I should use "Recent" or "Limit" What are the differences between the two? If they both achieve the same result, which one has better performance? I would like to know, regardless if any difference would be perceivable. I am looking to ACCEPT if under limit, and REJECT if over. I'm not interested in thus bandwidth throttling, I don't want a queue. I don't need any syntax examples, both have ample use examples online. I have also used Limit in the past. I appreciate any responses.

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• mysql single database relocation

  - by asdmin

  I would like to know if it's possible to operate different databases on different filesystem locations. Background: we are a hosting service, which hosts mysql, web, and smtp to it's customer, but all our services (sql, smtp, http) are located in a different place. We are going to assign a single logical volume to a customer, which will accommodate the customer's mailing, weppages and (hopefully) sql database. Web pages and mailing are already covered, but I am not able to find a configuration setting which would enable me to specify the location of a database (the directory where mysql stores the DB). Let me please highlight, the target here is to relocate different databases to different locations in the filesystem, not moving them from a single place to an another (single) place. Also please do not bother answering with soft and hard symbolic links. ;) Thanks

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• How should I implement an email circuit test?

  - by lukecyca

  I want a high-level test that ensures that both incoming and outgoing email services are operating normally. I've achieved this by writing a python script which does this: Send a message with a unique hash through my mail server to [email protected] The gmail account is configured to auto-reply back to the same address and then delete the message. My script polls IMAP until it finds an email with the correct hash sitting in its inbox, or times out. It reports the elapsed time to my monitoring software (Zabbix) My question: Is gmail the best third-party to use? Should I add a couple others as well such as hotmail and yahoo? Is there anyone more official that will auto-reply to these sorts of "mail pings"? Any other recommendations for this type of test?

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• how to design network for connectivity between private and corporate LANs?

  - by maruti

  there is a bunch of servers connected to shared storage in a private LAN (10.x.x.x). this privateLAN is managed by a windows server (DHCP, DNS and directory services) these hosts need to be from outside of the datacenter Eg. Remote desktop. can the NIC2 on each of the hosts be connected to the other public LAN (compromising speed or security? what are improtant considerations: additional hardware? like switches? routing&DNS software? currently available hardware : Dell Powerconnect 6224 switch .... planning this for storage network. software: windows 2003 server for DHCP, DNS, A/D ? would it be more flexible to use Linux distributions like IPCOP, Untangle etc? all that I am looking for is good isolation between private and other networks, avoid DHCP, DNS, AD clashes.

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• Schedule EC2 instances

  - by mattcodes

  I want to be able to schedule some simple EC2 EBS backed instances (already configured) to start at 8am and stop at 4pm. This is only time I'll be using my integration server. Is there a simple services (paid or not) that I can use to handle this. All I found so far is to buy a cheap VPS at linode or somewhere and install ec2 tools and schedule via crontab, but what a PITA that is to. On the other end is something enterprisey like Rightscale but not my idea of simple.

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• Fedora Core 11 won't boot without a monitor

  - by feihtthief

  I have a P4 system that I installed Fedora 11 on. It will not boot without a monitor attached. The monitor can be off (not even have power plugged in), but must be attached. Without a monitor the hard disk thrashes around a bit like it's starting up services, but does not get to the point where I can ssh into the box. I have set the default runlevel to 3 and removed the rhgb entry from grub. Any suggestions welcome. Edit: I have already set the run-level to 3. The machine boots up fine with the monitor plugged in to the point where I can SSH into it. as soon as i unplug the monitor and reboot, it will not boot to that point.

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• Performance issues with new dedicated server [closed]

  - by Pierre Espenan

  I have just subscribed to a new dedicated server and am getting worst than expected PHP execution performance. Execution times are twice as high as on my old mutualized server! I'm definitely not an expert at server management, so I'm wondering what I missed. Here are some stuff that can help you understand what's wrong here : My server (in french but easy to understand) : http://www.online.net/fr/serveur-dedie/dedibox-sc phpinfo(); output : http://jsfiddle.net/E8b7W/embedded/result/ PHP bench script (dedicated server) : http://jsfiddle.net/EhXzK/embedded/result/ PHP bench script (old mutualized) : http://jsfiddle.net/ANbWt/embedded/result/ Is it normal to get such poor performances after a kernel update and basics "apt-get install" for apache2 and php ? Thanks !

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• University Assignment: Datacenter/Networking Infrastructure for Hosting Company [closed]

  - by TCB13

  My university assigned me to theorizing a data center for an Web Hosting company. The company should provide the following services: Shared WebHosting; Dedicated Servers; VPS (Virtual Private Server); The bandwith (as resquested) is limited to 10 Gbps. Is there any good book / other info I can read (max 100 pages) about how to design a good data center for hosting, what are the best practices and what should be done from a (logical) network perspective, what security policies should be implemented and how the data center should be built (physically)? Thank you ;)

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• Reverse proxy using hop and RDP

  - by Sergei

  I am trying to connect from Vista to XP using RDP via reverse proxy using putty and an intermidiate host. There are myriad articles on the internet how to do it using vnc, ssh servers, winsshd, etc, but I can't find anything that helps me in this specific case. What I have: Windows XP host behind the firewall - 'destination' linux host running ssh on the internet - 'intermediate' windows host behind the firewall - 'source' All I want to do is open reverse tunnel from destination to intermidiate and use this tunnel for connecting back from the source. That should be simple to setup, however I just cannot make it. This is what I do: On 'destination', open putty session, create tunnel to 'intermediate' using following settings: source port 3389, destination is 'source:33389', direction is local On 'source', open putty session, create tunnel to 'intermediate'using following settings: source port 33389, destination is 'destination:33389', direction is local Finally, on source, open termnal services client and connect it to localhost:33389.Unfortunately it seems like packets do go somewhere but eventually client times out. Am I totally misunderstanding the concept? Please help!

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• Port forwarding on D-Link DIR-615 super-slow, useless

  - by Jaroslav Záruba

  Hello I have replaced my old router with DIR-615 from D-Link, and now the port forwarding is so slow it makes the router practically useless. Accessing the router itself (admin UI) is without issues, no delay whatsoever. But when I try to access a service on another computer in the network the requests take minutes and minutes. (E.g. I can see source of my GWT-app main page, but loading additional CSS and JS files takes years.) If anyone could recommend any further diagnostics I should do to figure out what is happening it would be great. Few notes: happens with more services (web-app on Tomcat, viewing directory index via Apache) it does not make a difference whether the service is hosted on wired or wireless PC accessing the service on a localhost works fine turning off firewall on the target PC does not make difference either (makes sense) when I replace this router with the old one (both 192.168.1.1) everything works fine I see nothing suspicious in the router's log I believe I have the latest firmware (4.11) DIR-615 sucks, it already died once completely Regards Jarda Z.

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• Collect and Backup Photos from Multiple Photographers

  - by Graviton

  I have a few photographers working under me ( well, not exactly under me, but I say it anyway just for illustration purpose), so they shoot a lot of photos, the problem is that they all store their photos on their hard disk, and I have no way to retrieve them unless I pass them an USB and ask them to fill it with their photos. Very labor intensive and inefficient! Is there any other better ( more automated) ways of doing this? For the fear of losing the resolution, I don't really favor a online-synch approach, because I think all the photos uploaded to any website will suffer a resolution loss, which is the last thing I want. Is there a better idea? Edit: Being artistic as they are, I can't guarantee that they all use PC and Windows; so the software must at least be able to run on Mac.

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• Would NetBSD be a good choice for a web server?

  - by Alexander

  I've the choice of crafting a NetBSD image for a Xen VPS host, and was just wanting to play around as I like BSD and wished to use it for my general web hosting. I will be hosting a low-mid traffic website and maybe a few other simple services. Do you think NetBSD would be a sufficient choice, in terms of general performance of multiple system users and fair amount of traffic to Apache compared to what Linux could normally handle? I am concerned if I do start to really like it and keep it, I may be limiting myself if I am to move further with my web host and get more traffic (and maybe a lot of FTP access and user shell accounts) Ken

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• Active Directory replication failing with Access is Denied

  - by Justin Love

  I recently discovered that Active Directory replication started failing about a month ago. If I attempt to Replicate Now from the failing domain controller, I receive The following error occurred during the attempt to synchronize the domain controllers: Access is denied. It is between two servers at a remote site. One is Windows 2003 and the other is Windows 2000; the Windows 2000 machines is experiencing the errors. The domain is older OUR_DOMAIN style. Attempts so far: I disabled Kerberos service on the Windows 2000 server and restarted RPC and RPC locater services have expected settings HKEY_Local_Machine\Software\Microsoft\Rpc\ClientProtocols missing ncacn_nb_tcp on Windows 20003 server (added) Portqry reports okay Firewall disabled netdom resetpwd (and reboot) on Windows 2000 server.

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• NT4 server generate too much weird DNS queries, How can i see the source PID?

  - by Hanan N.

  I have a NT4 server that in the last two weeks started to generate too many weird DNS queries to the DNS server is set to use. I have got warnings from the IPS system that it has blocked the responses from the DNS server back to the NT4 server. The queries it generate doesn't relate to any computer in the network, it is like 120624100088.xxxxxxx.net where xxx is the internal network, the numbers are just random at each query. I have done some research on how to get the PID that is generating the queries, and i found that only Process Monitor could give me that information, but since it is NT4 system Process Monitor doesn't work on it. It is a production server and i am just can't stop services as i want. I would like to get your advice on how can i get the PID that is generating these queries? Thanks.

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• RDP add domain users broken

  - by Robuust

  I have 3 servers, - domain controller with dns services - dhcp/rras - file/random server with files stored on it and nothing special so far. All servers have static IP's All servers are in the same domain (SOFTWARE) RDP is enabled for all 3 servers All servers are Windwos Server 2008 R2 I can connect to the DHCP/RRAS server via RDP I cannot connect to DC and File server When I add RPD users (both are domain admin for testing) to the File server they show up like this: What is happening what I don't see? And additional why don't I even get a login screen for RPD? Thanks in advance.

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• what are security implications of running Ubuntu inside Windows 7?

  - by EndangeringSpecies

  I am thinking of switching to Ubuntu as a way of making web browsing more secure. So, suppose I will go the easy route and run Ubuntu as an app inside Windows and then run Firefox inside of that. What will this do to the security given the current threat environment? E.g. do most online threats nowadays target the browser and flash (which presumably would be safely sandboxed inside easy to wipe Ubuntu environment) or do they target the Windows TCP-IP stack where Ubuntu would give no protection? Well, most likely the above question does not come near to covering all the security implications of this setup :-), so please do discuss whatever other issues that may be relevant here.

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• Best Solution For My Requirements

  - by Eray

  Hello, I'm a web developer. I have a few small online web application and a few Wordpress blogs. But i don't have too much experience with installing / configuring web servers . One of my web application needs cron jobs. It will check a lot of web sites availability. And, this application will leech too much RAM. And i think shared-hosting isn't suitable for this. But 1GB storage is enough i think. I don't need too much storage for my web sites. What do you think ? Which hosting solution is more suitable for my requirements ? Reseller ? VPS ? Cloud Server ? etc ...

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• CentOS VM, NTP synchronization problems

  - by Spirit

  We have three CentOS 5.9 VMs on an ESX3.5 host. Because of the nature of the services we provide it is required that the NTP time is synchronized and the time is correct on all three of them. However one of them constantly drifts back each day for about 66 sec. So far none of us seems to understand as why is this happening. We included the possibility that the VM may be somehow pulling the time from the host, however all of the three VMs have identical configuration settings and they did not have VMware tools installed. Although I realize that this is probably a question of an internal matter and not to ask for on a forum, I would appreciate if anyone of you knows some CentOS NTP diagnostic routines that will help me to diagnose the problem and find a reliable solution. I thank you for the assistance.

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• Skype account migration / username change

  - by Kristian Glass

  Some time ago now I created myself a Skype account. I've since amassed a number of contacts, and also realised that the username I chose really isn't one I wish to continue using, for a variety of reasons. Services like Twitter and GitHub offer username-change functionality; I can't find this in Skype. Am I missing something, or does it just not exist? If, as I suspect, it doesn't exist, is there anything I can do to migrate my contacts across to a new, more sensibly-named, account, or am I going to find myself having to manually publicise my account name change and adding contacts to the new account one-by-one?

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• Windows Server 2003 GPO Applied to only a few users?

  - by caleban

  How do I apply the policy: Computer Configuration/Administrative Templates/Windows Components/Terminal Services/Client Server data redirection/Do not allow client printer redirection only to a few users? Do I have to create 2 OU's and 2 policies just for this? I see I can't create a group and apply the GPO to the group and add the users to that group. How do I selectively apply a policy to only a few users without creating a whole new OU for them (and without changing each user's AD properties individually)? Thanks in advance.

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