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• How can I connect to some old Sun servers?

  - by hellsgate

  We have some old Sun servers (V125, V210, V240, T2000 amongst others) sitting unused and I've been asked to find out if there is anything useful on them before they get wiped and disposed of. However, I've been unable to connect to any of the servers. I tried connecting the servers to a router using the Net Management, Serial Management and standard Ethernet ports. When doing this, I ran 'nmap -sP' from my Linux desktop before and after connecting a server so I could compare the two outputs and hopefully work out what IP address had been assigned to the server, but it didn't appear to have received one. Unfortunately only one of the servers has a VGA output. I was able to access this machine as we still have the login details stored in KeePass, but I've no idea at the moment on how I should go about connecting to any of the others. Any suggestions?

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• Firewall still blocking port 53 despite listing otherwise?

  - by Tom

  I have 3 nodes with virtually the same iptables rules loaded from a bash script, but one particular node is blocking traffic on port 53 despite listing it's accepting it: $ iptables --list -v Chain INPUT (policy DROP 8886 packets, 657K bytes) pkts bytes target prot opt in out source destination 0 0 ACCEPT all -- lo any anywhere anywhere 2 122 ACCEPT icmp -- any any anywhere anywhere icmp echo-request 20738 5600K ACCEPT all -- any any anywhere anywhere state RELATED,ESTABLISHED 0 0 ACCEPT tcp -- eth1 any anywhere node1.com multiport dports http,smtp 0 0 ACCEPT udp -- eth1 any anywhere ns.node1.com udp dpt:domain 0 0 ACCEPT tcp -- eth1 any anywhere ns.node1.com tcp dpt:domain 0 0 ACCEPT all -- eth0 any node2.backend anywhere 21 1260 ACCEPT all -- eth0 any node3.backend anywhere 0 0 ACCEPT all -- eth0 any node4.backend anywhere Chain FORWARD (policy DROP 0 packets, 0 bytes) pkts bytes target prot opt in out source destination Chain OUTPUT (policy ACCEPT 15804 packets, 26M bytes) pkts bytes target prot opt in out source destination nmap -sV -p 53 ns.node1.com // From remote server Starting Nmap 4.11 ( http://www.insecure.org/nmap/ ) at 2011-02-24 11:44 EST Interesting ports on ns.node1.com (1.2.3.4): PORT STATE SERVICE VERSION 53/tcp filtered domain Nmap finished: 1 IP address (1 host up) scanned in 0.336 seconds Any ideas? Thanks

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• Can't set up Usermin correctly to allow users to login outside of local network, what am I missing?

  - by thecraic

  I'm fairly new at creating a server, but the biggest problem I am currently having at the moment is getting Usermin set up to be accessible from outside the LAN. I talked to other people that use it and was told that all I need to do is type the url:20000 to access the login screen, but that doesn't work. I have also tried the ip:20000 and that doesn't lead to anything. Instead I get the error message: Error - Bad Request This web server is running in SSL mode. Try the URL https://hostname:10000/ instead. (where hostname is my server's hostname) I know it must be a configuration issue, but I have checked all my settings and as far as I can tell I don't have the ports blocked anywhere. I have the correct ports forwarded on my router and my server firewall doesn't have the port block either. Is there anything I am missing? Any help would be appreciated and I will add more information upon request. Thank You.

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• DNS point to server on ISP and keep shared host too?

  - by Dwayne

  I know this is probably quite easy to do, but I might just have the right search sorted out... so here is the situation: We have example.com set up as a hosted server along with app1.example.com, app2.example.com and a few others. What I would like to do is set up the right zone file to also make our internal server addressable from the outside world as internalapp.example.com. This server sits behind a firewall (pfsense) and is hooked up to the world via a cable modem that is technically on DHCP from our ISP, but has had the same external IP for the past 15 months so far. What would be the best way to set this up?

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• When load balancing, must all copies of static web page be exactly the same?

  - by Gilles Blanchette

  I am used to get answers for everything on the web, but not this time... Yesterday I enable Amazon DNS weight functionally to load balance 7 websites between two different IP addresses (split 50%-50%). Both servers run IIS 8.5, sites runs well on both sides. Today I found out that Google WebMasterTools is reporting fails error with file robots.txt, all close to 50% of access try errors. The robots.txt file is ok and accessible (even via Google testing URL page) on both servers. Lets say current version of static web pages are on the first computer and the updated version of the same web pages are on the second computer. Can it be the problem? When load balancing, can static web pages be slightly different from one host server to the other? Thank you for your help

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• Creating New WebSphere cluster

  - by user154561

  I need to improve WAS perfomance and want to make cluster. I have two separate machines with WebSpphere 7 on it. As I see to do this, I need to add node from my second (remote) WAS to the first one. I try to use "Add node" from console, but without success. It can't find host when I try to execute it. WAS help says about host: Specifies the host name or IP address of the node to add to the cell. A WebSphere Application Server instance must be running on this machine. Does that mean that I cannot add node from a remote machine with "add node?"

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• controlling the bandwidth using tc

  - by Supratik

  Hi I have two NIC etho is connected to the internet and eth1 is connected to the LAN. I want to restrict the download limit using iptables and linux tc. So I wrote a test script to verify if it is working. My iptables configuration is as below. iptables -t mangle -N INBOUND iptables -t mangle -I PREROUTING -i eth0 -j INBOUND iptables -t mangle -A INBOUND -j MARK --set-mark 60 My ingress configuration is as below. tc qdisc add dev eth0 handle 1: ingress tc filter add dev eth0 parent 1: protocol ip prio 1 handle 60 fw police rate 100kbit burst 20kbit drop flowid :1 Can you please tell me what I am missing here ?

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• Simple secured SFTP tunnel?

  - by babonk

  I'd like to setup an sftp tunnel so that I can connect to an IP-secured SFTP server through a gateway computer from anywhere, and download the files to anywhere. I was thinking of using a combination with netcat, having it listen to either WinSCP or PuTTY sFTP (doesn't matter which). Not sure how I would download the files to the connecting computer though. I would like the tunnel to be secured, preferably, with a username/password. I'm open to using alternative software but I'm looking for unintrusive, simple command line stuff because I don't want to install a lot on this computer. Thanks

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• Can only connect to sql server express 2012 via named pipes

  - by YetAnotherDeveloper

  I have sql server express 2012 installed on windows 2008, locally everything works just fine i can connect via tcpip and named pipes. Remotely i can connect with ssms only using named pipes. I have tried disabling the firewall on both sides to eliminate blocking traffic. i have toggled the tcpip setting on and off (i read somewhere that they got it working just but flipping them off and back on). I have double/triple checked all the settings that i'm aware of and everything seems to be correct. Tcp is enabled Tcp port is set to 1433, udp port is set to 1434 Server has static ip Start up log says: Server is listening on [ 'any' 1433]. Firewall rules are in place Any suggestions on things that i can look into? i have really just run out of ideas.

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• Just installed Ubuntu 10.10, can't connect via SSH

  - by swilliams

  I've just downloaded and installed Ubuntu 10.10 in a VM on virtualbox (4.0.4). Everything on the VM is set to the defaults: NAT adapter. When installing the OS, I selected OpenSSH, and nothing else. I've tried to connect to the server via ssh from the host (running Mac OS X), but it only timeouts. Can't scp my credentials to it or ping the server either. As far as I can tell, the server is connected fine, has a valid IP, and can ping google.com. I know I'm missing something basic here... I don't believe I have any kind of firewall up, unless there's one I don't know about that comes with the install. iptables has the default configuration.

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• Running a home mail server using dynamic dns

  - by user4009

  Hi, Is it possible to run an email server on my home box using dynamic dns? The scenario is, I want to auto cc all incoming and outgoing emails from my one account to another, from some server side config instead of configuring email clients for rules. I have tried Google Apps Mail but it doesn't allow auto cc of outgoing emails. After having read tons of blogs, forum messages etc (hope I have been reading the correct info :) ) the only option to achieve what I am needing is to setup my own mail server, but the cost of getting a static IP doesn't fit my budget. Please can someone point me in the correct direction. Platform doesn't matter, I can setup a Windows or Linux server. Many Thanks

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• nginx + IIS + GET

  - by Eralde

  I have nginx on pc "A" & IIS with ASP.NET on pc "B". nginx is configured like this: ... location ~ ((Web|Script)Resource.*)$ { proxy_pass "B"/$1; proxy_redirect off; proxy_set_header REMOTE_ADDR $remote_addr; proxy_set_header REQUEST_URI $request_uri; proxy_set_header HTTP_REFERER $http_referer; #proxy_set_header REQUEST_URI $request_uri; proxy_set_header QUERY_STRING $query_string; proxy_set_header X-Real-IP $remote_addr; proxy_set_header Host $http_host; proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for; }... but requests to "B"/WebScript?a=b&c=d aren't able to deliver GET data (a=b&c=d) to IIS part. Could anyone help with this?

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• IIS7.5 is only resolving to the Default Web Site

  - by Dennis Burnham

  I am able to access only the Default Web Site on a Windows 2008 R2 Server which is running IIS 7.5 The Default Web Site's binding is to "All Unassigned", same way as I have done it on a different machine running IIS6 under Windows 2003 Server. The bindings of the desired Web Site have the IP address of the server and the correct home directory. Regardless what I do, the only page content I can see is the default index page in the wwwroot directory which is the Default Web Site. What must I do to deliver the correct content from the Web Sites that are configured in IIS7.5?

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• What is the best method to determine an account through DNS A record configuration?

  - by Matt

  I apologize if my description of the problem is unclear. I am working for an online CMS that allows external domains to be used similar to Tumblr or Flavors.me. I noticed both of these services simply require you to add an A record to your domain's DNS. When trying this, I added an A record for a blank name and "www" both leading to my webserver's IP. While this successfully routes to my server, it doesn't retain the used domain. This leaves me without any idea of what account they're attempting to reach at the application layer. I'm using nginx as my webserver. I have changed all the nameservers for a domain before, and that works properly, however that causes complications with other issues such as mail and isn't feasible on a scaled solution. What should I be doing here? Is the A record the correct method of accomplishing this? How are sites like Tumblr and Flavors.me determining which account is being referenced by the domain?

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• Sending files through ssh

  - by Frion3L

  I need to send files to a server using ssh. I have never used ssh so this is being really frustrating to me. Mention the client (me) is using windows and the server is using Ubuntu. I connected to the server using ssh2 ip, and then loging with an account I have. Now, I would like to send my files to a folder in the server, so, I moved to the folder and I used this command: scp test.txt user_name@host_direction server_folder_destination And it always return that it can't do 'stat' over test.txt, the file doesn't exist, and so. I'm assuming ssh2 can't see the file in my computer root (C:), so I tried to specifie more and added: C:\test.txt, but apear the same error. I don't know what is happening. Any hints please? Thanks

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• Hosts file in Apache keep changing for OS Linux Redhat [on hold]

  - by jack f

  I have installed Apache server. Two clients ex client_1 and client_2. The operation that we are performing on client_1 reflecting to client_2. We have etc/hosts file in our software install location which is keep on changing for client_2 with client_1 IP address. If I correct the entries in hosts file to client_2 also in the next few minuets it is changing automatically to the client_1(if we start the client_1 service). Please explain the use of hosts file and where and when it will change by Apache service. The hosts file in the location /etc/hosts/ for the both clients are same ============================================= Do not remove the following line, or various programs that require network functionality will fail. 127.0.0.1 localhost.localdomain localhost Local LAN 190.0.0.1 client_1.Example.com client_1 190.0.0.2 client_2.Example.com client_2 HR LAN 10.1.74.2 client_1hr peer 10.1.74.3 client_2hr ESP LAN 10.69.69.1 client_1esp 10.69.69.2 client_2esp Any help will be appreciated. Thanks in advance, Jack F

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• How to update debian dns server? New VM with same hostname as old VM

  - by opensourcechris

  We run several linux VM's on our Hyper-V cluster. Our old IT manager configured the dns server to resolve the url 'devlabs.ourdomain.com' to a debian squeeze apache webserver hosted on the hyper v cluster with the hostname: devlabs. We recently created a new Ubuntu vm to replace the original squeeze vm. When we created the new Ubuntu VM we used the same hostname of 'devlabs" to name the new VM. My problem is that now I am only able to access the new Ubuntu VM by using the IP address. How can I update our DNS server to point the url 'devlabs.ourdomain.com' to the new VM?

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• Able to send, but not receive from gmail.com within Outlook 2003 (0x800CCC0F)

  - by matt_tm

  In my home network, I'm able to access my @gmail.com and @otherdomain.com accounts via POP3 from Outlook 2003. When accessing from my office network, I'm not able to receive, but am able to send. I get the following error: Task '[email protected] - Receiving' reported error (0x800CCC0F) : 'The connection to the server was interrupted. If this problem continues, contact your server administrator or Internet service provider (ISP).' The POP3 is set to 995 (using SSL), SMTP to 465 (using SSL), Logon using SPA is NOT enabled. There is NO change I make on my system from the office to home network, except my local, internal IP address changes.

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• Outgoing only SMTP server

  - by Din

  I want to setup on my Debian outgoing only SMTP server, so my Web-applications will be able to send mail via it. I don't want to use other hosts because of security and customizability of my own setup. I want to setup Postfix and configure it only in outgoing mode (I don't want it to be a relay). So I want to ask an advice how to do it in the best way. There's no need in users, virtual users, endpoints and other options that Postfix provides. I suppose that I should only attach Postfix to some hostname so my IP address can resolve to it. I also think that Postfix maybe a bit complicated solution for this task. If you know much simpler tool for it, let me know. Thanks.

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• Taskbar Disappears Over Remote Desktop Connection When Outside Local Network

  - by CMikeB1

  I've got a machine on my home network running Windows Server 2012 (Based on Win8) and rather than attach a monitor I remote desktop in and it works fine on my local network. The problem is, when I try to access it from outside my local network the taskbar disappears completely. When I minimize an application rather than minimize to the taskbar it simply closes the window as small as it can as if the taskbar never existed (see photos at ). I've messed with the connection properties (show/hide desktop background, etc.) with no luck. I've used the following methods to remote in and they all are fine when on the local network and taskbar-less from outside: Remote Desktop Connection on Mac Remote Desktop Connection on Windows Jump Desktop on iOS using RDP To access the computer from outside my local network I'm using a Linksys router and mapping to the server IP, port 3389. See Photos: http://i.stack.imgur.com/FyUeQ.png http://i.stack.imgur.com/9MnVr.png

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• Setting up a domain with a dedicated server

  - by Andrew M

  I have a dedicated server with a bunch of stuff on it already. Basically, I am accessing it now with the free domain I got when I purchased the server (http://example.com/directory, etc). I also have a second domain I want to use with a specific subdirectory (http://exampletwo.com/ should basically work as if I were under http://example.com/two, but it should use the exampletwo domain. I would assume I would change the A record of the second domain to the IP of the server, but how do I make it work with a subdirectory? I have full DNS control of the second domain but it is purchased on from a different registrar than the dedicated server. EDIT: It is a CentOS 5 server running Plesk/Virtuozoo.

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• How can I display host name on windows desktop

  - by Martin

  I do a lot of work on Windows Server 2008 remote desktops and often lose track of which host I am currently logged on to. Is there a way of displaying (without installing any non-standard apps) the host name or IP address of the host I am connected to in either the wallpaper or the notification area? I tried creating files in the desktop with the name of the machine - but my roaming profile shows the same set of desktop files on every machine, so that was scuppered. Duh! In shell windows this is easy: just set the prompt to display the host name. Surely there is a simple way of doing the same for the graphical desktop.

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• Cannot access to any windows share including localhost

  - by user21936

  I can't access any share from my operating system, including \\localhost and \\127.0.0.1. I have Windows 7. NetBIOS over IP is enabled, other computers in the network can access my shares and other computer's shares, but my operating system cannot access any share. I have installed Windows XP within VMware, and the virtual windows xp can access all shares including the host shares. I can communicate in other ways like TCP, HTTP and gaming, but not access shares. How to solve this problem?

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• Getting IIS redirects proper for second HTTP site

  - by Gotenks

  2x IIS sites on one host. I have mainsite.domain.com and secondsite.seconddomain.com. Both sites point to the same IP in public DNS. Nothing wrong with mainsite.domain.com, it redirects and goes to its own HTTPS site without issue. Going to secondsite.seconddomain.com without HTTPS, it re-directs me to the HTTPS mainsite.domain.com when I want it to go to its own secured site. It's odd that HTTPS secondsite.seconddomain.com still works as expected. Is there anyway to make HTTP of secondsite.seconddomain.com redirect to its own HTTPS entry?

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• xl create doesn't bring up console

  - by ineff

  I've tryed to run VM in Xen 4.2 using xl command (for what I get this should be standard toolstack, while xm is deprecated). In this case I've the following configuration file kernel = '/media/home_separata/domU_kernel/boot/vmlinuz-linux' ramdisk = '/media/home_separata/domU_kernel/boot/initramfs-linux.img' name = "domU_Arch_linux" memory = "512" root = '/dev/xvda1 ro' disk = ['file:/media/home_separata/domU_kernel/arch_linux_kernel.img,xvda1,w'] vif = ['mac=aa:::10:11:f1,ip=192.168.0.2,bridge=xenbr0'] when I try to start the virtual machine with xl create it seems it works (it also bring up the vif interfaces) but if I try to connect via xl console it gives an error: xenconsole: Could not read tty from store: No such file or directory the fun fact is that the I've the problem inverse using xend/xm (in that case xend doesn't bring up vif interfaces but activate console). Does anyone have any suggestion?

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