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• export block device over network without root

  - by dschatz

  I'm trying to export a file as a block device over the network. I do not have root access on the machine where the file exists. I do have root access on the machine(s) where I will mount the block device. I've seen ATA-Over-Ethernet and ISCSI but there don't seem to be any implementations which allow me to export the block without root at least (some even require kernel modules). Is there an implementation of either of these or some other protocol that doesn't require root? Perhaps I can tunnel ethernet over IP to do this?

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• Can I create a DC without a DNS Server?

  - by onik

  So as the title says, I need to promote a standalone Win2008R2 server to a Domain Controller, and I don't a DNS Server (I think), as there will be no clients connected to the domain, it will be only used for Remote Desktop Services. Yes, I know, it's considered bad practice to install other roles on the DC, but in this case, it's necessary. Do I need to install the DNS Server, and if I do, how to make it as transparent as possible? EDIT: Seems that I need to install the DNS Server, so I can I configure it not to mess up my entire domain? For example: The server I need to promote is rdc.mydomain.com, and it has an A entry to it's IP in the current DNS, while other servers under mydomain.com are running Linux and don't need to know anything about this Windows box. The domain uses a third-party DNS and all edits and updates need to be done via a separate web page, our servers don't have write/update access.

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• apache httpd cannot browse through browser

  - by nuttynibbles

  i've setup apache and php on a virtual machine. everything works fine in the virtual machine. im able to execute php files and run up phpmyadmin connecting to mysql. on my host machine, im able ping and ssh into the remote machines. however, im unable to browse the php files on the host browser using the ip address. in my httpd.conf, im listening to port 80. i enabled the ServerName 192.168.75.102:80 am i missing some settings? port settings maybe?

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• Transferring NS records to a new server

  - by lanemiller

  I feel like that was NOT worded well, but here is my current predicament. I recently had a GoDaddy dedicated server, and decided after their customer support failed to do anything but disappoint, to switch to Rackspace. We have 2 ns records that point to our godaddy server, and we have a few sites left on the server, that rely on it for their DNS zones, and the owners of the domains fail to respond to us. So, the question is, if I need to transfer the sites off of the OLD godaddy NS, can I point the A records from my ns1.domain.com and ns2.domain.com to match up with IP addresses of the Rackspace nameservers? OR, do I cname my NS records to match the rackspace ones? I DO know that this isn't advised, either method, but I need to get these sites moved before Godaddy tries charging another $2k for the server.

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• Virtual Network Printer

  - by user113720

  I'm pretty new to Microsoft Servers so don't blame me if the question isn't that smart [I'm a Unix guy]. I need to install a Virtual Printer of a Microsoft Server 2008 r2. The requirements are: The printer must print on a file {whatever file... txt or pdf } The printer must run on a server The printer must accept plaintext from a specific IP:port The connection between the device that prints and the server is a local network I've tried to install a virtual printer, but I cannot specify the constraint about the socket from which receive data to print. Thank you so much

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• Serve my website from different server during downtime

  - by nfedyashev.mp

  I have a VPS server running in the cloud. Fully automated server image upgrade/downgrade(by RAM/HDD plans). The problem is that server upgrade/downgrade takes time and involves total unavailability during this period(up to 30 minutes). Goal: during this downtime server my website(http://mydomain.here) from different server with some message like "Under construction". How can I do this? -- mydomain.here is hosted on godaddy and uses its DNS(If I call it right). It's pointing with A-record to my VPS's IP address now. Change in these DNS settings will take more than 30minutes, so it's not an option. How can I find mode "dynamic" DNS? What should I learn?

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• Laptop connects to other network but not to my home wireless

  - by Nilesh

  My home network's wireless SSID is say "XYZ" I also have an ethernet wire from the same router. I have two laptops A and B Earlier both A and B were able to connect to my home internet through the ethernet and wireless. Suddenly, the laptop B can no longer connect to XYZ or through ethernet. When I do plug the wire, i get the connection icon all green but when I try to access any web page it errors out (page not found) But strangely laptop B connects to my neighbours wireless SSID "ABC". I have also tested laptop B with other networks and it connects fine. Laptop A and many other devices still connect fine with my home wireless "XYZ" Strange thing is when my laptop B connects wireless through XYz, it gets the IP address but then none of the browsers (chrome,firefox, IE) can show any web pages. What settings should I be checking on laptop B that is preventing it to connect to my home internet. Thank you

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• Move the ESXi service console from eth0 to eth1.123

  - by Mircea Vutcovici

  I have an VMware ESXi 4.0.0 with 2 physical network cards. First one, eth0, has only the Service Console and the other one, eth1, is a trunk with all VLANs (including the management VLAN used by the Service Console). I would like to free eth0 port to be able to connect a network storage and I would like to move the management IP from eth0 to eth1/VLAN123. Can I do this remotely? Is it possible from vSphere client? Should I do it from the ESXi console?

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• Log incoming requests on Ubuntu (ports 80, 443)

  - by Maxim Eliseev

  We have Tomcat running on Ubuntu server. It runs a web service, open to the internet. Sometimes it has a sudden spike of traffic and goes down. There is nothing unusual in Tomcat access logs. I guess it is because some of the requests are so 'heavy' that they never finish and hence are not recorded to Tomcat access logs. Is there a way to configure Ubuntu to log incoming requests in the following format (below)? Date, Time, URL (with query string params), IP address (of client) There should be one line per request. Each request should be logged before it is executed. Only incoming requests to ports 80 and 443 should be logged.

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• How to Configure Different Gateways for Different VLANs

  - by Bryan

  I have around 10 VLANs, and two different internet gateways. I want traffic on some VLANs to use one gateway, and traffic on other VLANs to use another gateway. (e.g. I wish to route server traffic via one gateway and desktop internet traffic down another). Is it possible to configure different default routes for different VLANs on a Dell 6224 switch? Or is their a better way of doing what I'm trying to achieve? The core switch I am using is a Dell PowerConnect 6224 switch. Currently I'm using: ip route 0.0.0.0 0.0.0.0 10.58.3.16 which creates the default gateway for all VLANs. I did consider adding multiple routes with equal metric, and setting ACLs between the VLANs to deny access to the 'wrong' gateway, but that idea just doesn't feel right to me.

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• Are VLANs necessary for my environment?

  - by kleefaj

  Greetings. I'm the new network manager for a school. I've inherited an environment made up of several Windows servers, about 100 Windows clients, ten printers, one Cisco router, six Cisco switches, and 1 HP switch. Also, we're using VoIP. There are four floors in our building. The hosts on each floor are assigned to a separate VLAN. An office on the first floor has its own VLAN. All the switches are on their own VLAN. The IP phones are on their own VLAN. And the servers are on their own VLAN. For the number of hosts on the network, are all these VLANs really buying me anything? I'm new to the VLAN concept but it seems overly complicated for this environment. Or it's genius and I just don't get it. Any thoughts? Thanks, Jeff

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• how to create a simple radio station [on hold]

  - by John

  I've been digging around for ages but not getting very far so any links or tips would be massively appreciated. I want to create a central "radio station" in my home to stream one playlist to any computers pointing their browser to the ip within my internal network. I have an old mini slave mac mini running ubuntu and was originally thinking I could get php and apache to handle this but then quickly realised that of course, php will serve out streaming independently per connection ie no radio station. Are there any servers already built for this sort of behaviour? is shoutcast one of the only versions Thanks, John

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• Allow access to printer between interfaces on Cisco ASA5510

  - by Jonas Stensved

  I have a Cisco ASA5510 where we have to separate networks on two separate interfaces. The networks have and should have nothing to do with each other except that network B needs to access a printer on network A. Network A: 192.168.137.0/24 Printer: 192.168.137.20 Network B: 192.168.0.0/24 I've added an incoming rule from Network A to the Printer IP in the ASDM interface but clients can't print. Our previous router was configured to let traffic through so the clients on Network B is already configured so it think it should work if the traffic is allowed. How do I let clients on Network B communicate with the printer?

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• How does Apache handle port forwarding?

  - by vfclists

  I setup a localhost portforwarding configuration in the coLinux .conf file, forwarding port 8090 to port 80 in the VM. When http://localhost:8090 is entered in the browser, I get the correct response from nginx, but with Apache the response get the error /htdocs not found in the log. However if I do a local port forwarding from 8090 to port 80 via SSH Apache responds fine. Is there something about the way Apache handles the port redirection that causes it to fail? PS, For those unfamiliar with coLinux it allows localhost connections to get to the VM by forwarding localhost ports on the Windows host to ports on the VM, as the 10.x.x.x IP it not accessible from the Windows host.

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• disable browser localization

  - by broiyan

  How do I get the websites that I visit to stop localizing the language probably according to my IP location? This is an website specific issue because, for example economist.com and superuser.com do not do it, but Google Checkout and craigslist.org are doing it. Is there a way to setup Ubuntu and Firefox so that English will always be used for all web pages displayed? Edit: Of course many webpages have a link to an English version, but sometimes they don't. For example I believe such links usually appear on the root resource but sometimes I see non-English languages on child resources where such links do not appear. Example: most Blogger.com blogs appear in English but when I go to the blogger's profile ("view my complete profile"), it appears in another language that matches my geographic location.

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• restrict windows remote desktop

  - by radioactive21

  Is there any way to prevent users from launching and using remote desktop and to restrict it to only local admins or domain admins? The reason being is that we do not want users to remote desktop home, but at the same time we want it to be available to certain users like administrators or power users. Ideally there is a group policy that can be set to groups or users who have access to the remote desktop application from their machine. Clarifications: I need the machine to be able to still have remote desktop work, just only with a specific user or group. The point is that we allow certain users to use remote desktop and others to not have access to it. There are machines where there are multiple users, so we cant just block a whole machine or by IP. This needs to be done per a user account or login.

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• Address VMWare Fusion Linux guest by hostname?

  - by amrox

  I have a Ubuntu Server 9.04 image set up in VMWare Fusion 3.0.0, using the NAT option for the guest's network connection. From the Mac host, I can ssh to the linux guest just fine using it's IP address, but I would like to be able to refer to it by hostname for connivence. ie: mac-host:~ ssh [email protected] I had a similar setup using Parallels a couple years ago, but I don't remember how it was set up. It may have "just worked". Any suggestion on how to make this work?

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• Apache Configuration Issue - website without www going to default site

  - by Brian

  I have included a copy of my virtual host file for apache below. (However I have hidden the ip address and domain name for now) My problem is that the following work: www.mydomainnamehere.org www.mydomainnamehere.com mydomainnamehere.com This one doesn't work: mydomainnamehere.org - instead of going to the document root listed below, it goes to the document root of the default site. What could be causing this? <VirtualHost [ipaddresshidden]:80> ServerAdmin [email protected] ServerName mydomainnamehere.org ServerAlias www.mydomainnamehere.org ServerAlias mydomainnamehere.com ServerAlias www.mydomainnamehere.com DocumentRoot /home/www/mydomainnamehere.org/html/ ErrorLog /home/www/mydomainnamehere.org/logs/error.log CustomLog /home/www/mydomainnamehere.org/logs/access.log combined </VirtualHost>

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• Using AWS SES with Sendmail

  - by Abs

  I am trying to send mail via AWS SES uisng Sendmail. I have Sendmail version 8.14.4 installed and I followed the first section of this useful tutorial by Amazon. However, I get this: root@:/etc/mail# echo "Subject: test" | sendmail -v [email protected] [email protected]... Connecting to [127.0.0.1] via relay... [email protected]... Deferred: Connection timed out with [127.0.0.1] Can anyone help me get this working? The logs have the following: Dec 14 10:35:21 ip-10-xx-xx-181 sm-msp-queue[17910]: qBE8K1Lu016411: to=root, delay=00:21:24, xdelay=00:06:19, mailer=relay, pri=121806, relay=[127.0.0.1] [127.0.0.1], dsn=4.0.0, stat=Deferred: Connection timed out with [127.0.0.1]

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• Unable to connect with PPTP (From Windows 8 to Ubuntu 12.10)

  - by jaja

  I'm trying to connect using PPTP to my VPS. At first, I got the problem that my connection (Wlan, which is what I use to connect to the Internet) goes "limited" (I can't connect to the Internet) when I connect to the VPN. Then, I used to get some long message, something like you might be trying using L2TP. Then now it's back again to the "limited" problem. What's the solution to that problem? One thing I'm not sure of is what I put as my local IP address in "sudo nano /etc/pptpd.conf" Is it 127.0.0.1? I'm following this tutorial: http://thesinclairs.gotdns.com/blog/set-up-a-pptp-vpn-on-ubuntu-server/

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• “yourdomain/start is not the same thing as yourIP/start in Apache”

  - by user1883050

  Let's say you're trying to get a CMS up and going. And say you're supposed to find a Start Page at "www.yourdomain.com/start" But you don't have a domain name yet. You only have an IP address (yourIPaddress). Apache is visibly running at yourIPaddress. So you look in "yourIPaddress/start" And you don't find anything there, just a 404 page. And the person who installed it for you tells you: "In Apache, yourdomain/start is not the same thing as yourIP/start. Please read up on Apache server configuration to figure this out. And that's all the help I can give." My question is: what concepts (re: Apache configuration) should I read up on so that I can find the start page? Thoughts?

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• How to figure out which directory is web server root?

  - by matt

  I want to view websites hosted on my Mac when running Windows VMware Fusion. I have an entry in the Windows hosts file to enable the routing: #ip of my mac domain i use on the VM to access it 192.168.1.70 mymac However, it resolves to an empty directory as a 404 is generated. I can see the access log on my Mac that everything is OK access wise. Firefox on VMware states the following response headers: Server Apache/2.2.14 (Unix) mod_ssl/2.2.14 OpenSSL/0.9.8l DAV/2 PHP/5.3.1 Any ideas how I can figure out what directory is being served? I am lost in a maze of twisty httpd.conf passages. localhost on my Mac resolves to my ~/Sites directory. 192.168.1.70 resolves to the same empty directory/404. Thanks.

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• How can I run a game server on a computer behind a NAT, if I have another computer not behind a NAT?

  - by Macha

  My home connection is part of a large NAT, outside my control. Inside my home, my router has a NAT, under my control. I control a public facing Linux VPS with one IP address, outside my home network. Ideally, what I'd like to do is set something up so that I connect my home computer to my VPS, and after that port X on my VPS leads to port Y on my home computer, for the purposes of running a game server of a game that does not run under Linux. Is this possible?

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• VMware 1.0.1 Windows7 - Ubuntu hostnames

  - by Kyle K

  I'm trying to run Ubuntu as the guest OS using VMWware 1.0.10 with Windows 7 Ultimate as the host OS. I had this set up previously with Win XP as the host OS and in fact I'm using the same .vmx My problem is I can't get either Win7 or Ubuntu to be able to ping the other by hostname. After installing Samba and Winbind on Ubuntu, I was able to get this working when under WinXP, but for some reason I can't get it to work under Win7. I can ping by IP Address, and the guest OS even shows up by hostname under the Windows networking panel (but of course I can't do anything with it), but pinging using short hostnames just won't work. Also, Win7 firewall is turned off completely.

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• How to make a server check it's own availability on the web?

  - by Javawag

  Hi all, Just a quick question – my server is running at my house serving www pages at www.javawag.com. The problem is that my home internet connection keeps dropping randomly - for about 10 mins at a time. This is only an intermittent problem and will go away soon I hope. However, my server doesn't recover properly - when the connection comes back, I can still access it at 192.168.0.8 (locally) without any issue, but at www.javawag.com there's no reply! (Just an aside - my home internet connection is dynamic ISP, the domain www.javawag.com points to javawag.dyndns.org which in turn points to my IP, updated every minute by ddclient on the server) Is there some way for the server to check if it's accessible from the outside world periodically, and if not restart Apache/reboot? Oh, and if I reboot the problem fixes itself also! Javawag

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