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• xenserver: xe command never returns?

  - by ethrbunny

  I'm trying to port a xen server 6.2 pool to a new IP address range. I've got three servers total: 2 currently at their new IP but no longer in the pool and one remaining. I'm trying to set IP address information on the two disconnected ones using the xe command and all of its variants. Oddly enough, it never returns with any values. xe host-list It just sits there until I ctrl-c it. The server is still awake and responding though. I can enter other commands (EG ifconfig) and they work fine. If I enter this same command on the remaining server in the pool it works ok. I've tried restarting the toolstack and even rebooting. No change. What am I doing wrong?

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• Cross subnet connection [closed]

  - by user30472

  My internal Windows 2008 AD network is 172.20.xxx.xxx My Apple Wireless base stations only allows DHCP 172.16.xxx.xxx Private IP address ranges: 10.0.0.0 to 10.255.255.255 172.16.0.0 to 172.31.255.255 192.168.0.0 to 192.168.255.255 The problem: The internet works from my IPad that has a 172.16.xxx.xxx address, but I can't access (browse) my tools server that is 172.20.xxx.xxx that host my Filemaker database. Is it possible to add 172.16.xxx.xxx range somewhere in DHCP or DNS on my Windows domain server so I can access tools? Or is there another way to make this connection work? Thanks

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• Start TLS and 389 Directory

  - by Kyle Flavin

  I'm trying to configure Start TLS on 389 Directory server, but I'm having all sorts of issues. I've been following this doc: https://access.redhat.com/knowledge/docs/en-US/Red_Hat_Directory_Server/9.0/html/Administration_Guide/managing-certs.html which specifies that I should create a certificate for both the directory server and admin server. I've imported the CA cert on both servers. I've tried to use the same server certificate for both. It will not allow me to do so. However, the admin and directory servers reside on the same host. If I generate a new certificate it will need to use the same hostname. I'm not sure if that's valid... Has anyone out there set this up before? Any direction would be helpful. I have multmaster replication set up. From an external client, I'm attempting to do an ldapsearch -ZZ -x -h "myhost" -b "dc=example,dc=com" -D "cn=Directory Manager" -W "", and I'm getting a protocol error.

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• running a web server with encrypted file system (all or part of it)

  - by Carlos

  Hi, I need a webserver (lamp) running inside a virtual machine (#1) running as a service (#2) in headless mode (#3) with part or the whole filesystem encrypted (#4). The virtual machine will be started with no user intervention and provide access to a web application for users in the host machine. Points #1,#2 and #3 are checked and proved to be working fine with Sun VirtualBox, so my question is for #4: Can I encrypt the all filesystem and still access the webserver (using a browser) or will grub ask me for a password? If encrypting the all filesystem is not an option, can I encrypt only /home and /var/www ? will apache/php be able to use files in /home or /var/www without asking for a password or mounting these partitions manually? Thanks

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• Squid 2.7 in offline_mode yet tries to contact DNS servers to resolve addresses

  - by William C

  I installed Squid 2.7 to act as a web cache on my laptop, so that I can browse previously-visited sites when I don't have WiFi. Except http_access allow all, I've made no changes to the default squid.conf configuration. When I turn offline_mode ON and disconnect from the Internet, and then I visit sites, I encounter The following error was encountered: Unable to determine IP address from host name for whatever.sitename.com The dnsserver returned: Timeout on any site I visit. What settings do I need to add to squid.conf so I can browse sites offline?

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• NAS device for distributed team

  - by user5959

  We are a distributed team spread across 5 locations. We have a shared drive (1 TB data) at our former location that we are currently accessing via Hamachi VPN. Our shared drive is a network folder on a Windows Server located at one of our locations. The current connection speed is terrible. The upload speed at the current location of the shared drive is very slow. We looking for a NAS device that we can host at another location with better upload speed that all of us can access. I am looking for a NAS device that has these features: Minimal Maintenance as we do not have dedicated IT resources Access data on the device from multiple locations. Ability to create network drive (On Windows Computers Map Network Drive) Upload data from random client computers without having to install software. (Right now, we use LogMeIn Rescue's file manager) Ability handle slow or dropped connections when transferring files (Maximum size 1.5 GB)

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• Cloud hosting and single hardware point of failure?

  - by PeterB

  From talking to sales I thought Rackspace Cloud was running on a SAN and compute nodes (as VMWare's offerings do), only to find out it doesn't, so when the host server goes down for maintenance all cloud servers on the server go down (in our case for 2.5 hours). I understand Amazon EC2 also has this single-server point of failure. Which cloud hosting solutions don't rely on a single server? I've yet to find a list by architecture Is there a term that distinguishes between these types of 'cloud'? Is one of these 'grid computing' and the other 'virtualisation'? Can a SAN backed solution provide the same reliability as 2 mirrored cloud servers on (say) Rackspace Cloud? I am more familiar with the VMWare architecture and would like to understand the advantages and disadvantages of each approach. I understand the standard architecture is to have multiple cloud servers and mirrored data between them; until we need multiple database servers I'm wondering if a SAN/node hosting solution would provide the lack of downtime we need without the added complexity.

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• How to failover to local account on a cisco switch/router if radius server fails?

  - by 3d1l

  I have the following configuration on a switch that I testing for RADIUS authentication: aaa new-model aaa authenticaton login default group radius local aaa authentication enable default group radius enable aaa authorization exec default group radius local enable secret 5 XXXXXXXXX ! username admin secret 5 XXXXXXXXX ! ip radius source-interface FastEthernet0/1 radius-server host XXX.XXX.XXX.XXX auth-port 1812 acct-port 1813 key XXXXXXXXX radius-server retransmit 3 ! line con 0 line vty 5 15 Radius authentication is working just fine but if the server is not available I can not log into the router with the ADMIN account. What's wrong there? 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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• Can't resolve Mac's machine name on VPN

  - by Raghuveer

  My mac'c machine name is something like this: hostname.company.com but whenever I connect to VPN, it becomes something like vpn-xxxx.company.com where xxxx are some random numbers. Because of this, some of my scripts which are dependent on host name gets blocked. We use the standard mac's vpn setup which comes with OS X Lion (under network preferences). How can I resolve to the correct mac's name even if I am on vpn ? That is even if I am connected to VPN, my machine name should resolve to hostname.company.com and NOT to vpn-xxxx.company.com. Any suggestions would be really appreciated.

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• TFS 2012 or TFS Azure (Preview)

  - by Fore

  We want to migrate our current TFS 2010 solution that's hosted today in one of our own servers to TFS 2012 hosted somewhere else. We don't want to handle the servers any more, and therefor are looking at alternatives. TFS preview / Azure is one alternative, hosted in the cloud, but I'm not that happy with forcing users to use live id, and we don't have an AD. My second thought was to create a Azure virtual mashine, and there install and host TFS 2012. Is there any downsides with this? Compared to the price of bying a VPS this is cheap and feels reliable in Azure? Do you have any other ideas?

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• How should a small team using multiple OS's deploy over github?

  - by Toby

  We have a small development team that have recently moved to using github to host our projects. The team consists of three developers, 2 on Windows and 1 on Mac. I am currently researching the best way to deploy applications to our Linux servers (dev and production). Capistrano running locally would be ideal but from what I read this won't work for Windows machines. It looks like the best way is to use a post-receive hook in github, I can see how this would work for auto deploying to dev, but I don't see how we could then deploy to live. I have found paid projects like http://www.deployhq.com/ but it feels like something that a quick bit of code should be able to do for free, I just can't seem to get myself pointed in the right direction! I was wondering what would be considered best practice for small team deployment involving multiple local OS's and github.

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• Seeing double-cursor in 'recursive RDP'

  - by John

  I'm using a Virtual PC VM on my PC to connect to a remote PC using RDP over a VPN. It works just fine except that in the RDP session, I often see a double mouse cursor... I get a standard mouse-arrow and the context-specific cursor such as a caret or hourglass. It's not a big problem but rather annoying and I wondered if there's any way to fix it, or at least understand where it comes from? Is it because I'm effectively running one RDP session from inside another? My host PC runs W7, my local VM runs XP, and the remote PC access using RDP is W7. Thankyou for any help.

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• Why does this PowerShell script hang?

  - by jshin47

  Today I had to use Start-Sleep many times so I thought I would create a shortcut function for it, sleep($time). However, whenever I entered the function it never exits! It must be an issue with either the data type for the argument for Start-Sleep or the way I am declaring the function. Instead of posting the whole script, I've posted this useless one that would make a familiar beep pattern if it worked: function beep { Write-Host `a } function sleep { param([int]$time) Start-Sleep -m $time } beep sleep(300) beep sleep(200) beep sleep(50) beep sleep(300) beep sleep(450) beep sleep(200) beep

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• close ssh sessions

  - by egor7

  I'm using ~/.ssh/config for logging to the internal.local corporate server: Host internal.local ProxyCommand ssh -e none corporate.proxy nc %h %p But after closing session (typing exit), my sshd session on server stays still active (I see it through different connection). Hot do I close session or change my config in the appropriate way, to eleminate hang sessions? First check from the second, root session: ps -fu user_name user_name 861 855 0 16:58:16 pts/3 0:00 -bash user_name 855 854 0 16:58:13 ? 0:00 /usr/lib/ssh/sshd After logging out: user_name 855 854 0 16:58:13 ? 0:00 /usr/lib/ssh/sshd Just after scp files to/from the internal.local a new scp sessions still hangs on the server.

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• Impossible do find motherboard drivers to Dell Dimension 3000

  - by Masziej

  Hello, I recently formatet and reinstalled XP on my girlfriends computer. Ive had this computer since 2001, never formatet it, until now =) Anyway the problem is that i cant find any drivers for the motherboard (integrated audio, video and ethernet). as i said its an old ass Dell. Cant remember if I got any cds along with it. Even if i did theyre gone a long time ago. So, I ran CPUZ and got this: --Motherboard-- Dell Computer Corp. Model 0K8980 And started googling. But didnt find any drivers. Still cant So im asking for a little help here. I really need to get the computer going before she wants a new one :D And yes i have looked on dells homesite, but they dont seem to wanna host drivers for their old stuff

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• Why is my email server in AT&T's blacklist?

  - by legoscia

  I just got this bounce message: <¦¦¦¦¦¦¦¦@att.net>: host scc-mailrelay.att.net[204.127.208.75] said: 521-88.208.246.34 blocked by sbc:blacklist.mailrelay.att.net. 521 DNSRBL: Blocked for abuse. See http://att.net/blocks (in reply to MAIL FROM command) So I'm trying to figure out why our server ended up on their blacklist. The web page link doesn't tell me why, as far as I can see. From a few multi-RBL tools I conclude that our IP is only on the collateral damage lists of uceprotect.net (you can be exempt from that with a paid subscription), and I dearly hope that AT&T doesn't use that. From the mail server logs I see that an email to another @att.net address went through two days ago without being blocked. Does anyone have any ideas how I can find out what went wrong?

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• Grepping through the results of apachectl -S

  - by CamelBlues

  I have a server with about 300 virtual hosts. When I want to make sure a specific httpd.conf file is loaded into the Virual Host config and the syntax is correct, I run apachectl -S. The problem is, though, I get a ton of output. I've tried apacectl -S | grep 'foo' and apachectl -S > foo.txt to try and make this data a little bit more manageable, but the output of the command is not conducive to grepping or shoving into a text file. When I try apachectl -S | grep 'foo', it simply returns the entire output of apachectl -S. When I try apachectl -S > foo.txt, foo.txt is an empty file. This may have something to do with how the server is configured, because I am able to successfully grep on my local machine. Any suggestions?

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• Where's my tab completion and up-arrow behavior? (Ubuntu 10.04)

  - by pastorius

  I'm new to Linux, trying Ubuntu 10.04, preconfigured by host. When I log in (SSH) using the preconfigured account, the shell prompt is: user@hostname:~$ The up arrow scrolls through the list of recent shell commands, and tab-completion works as expected. However, when I create an account and log in (SSH) using that account, the shell prompt is simply "$", and the up arrow just prints a control character (^[[A). Can anyone tell me how to get my prompt, tab-completion, and up-arrow behavior set up? The fact that I'm getting control characters when I up-arrow makes me think that my account (or session) is in some mode I'm unfamiliar with. I know there is tab-completion code stored in bashrc that I can uncomment, but that doesn't seem to have any effect, even after logging out and logging back in. Am I in some strange mode when I SSH in with the new account, or are there just some session/account settings I need to set up, and can find information for anywhere on the Internet if I just knew what to look for?

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• Problem with the hosts file under windows 7

  - by martani_net

  I updated some entries in the hosts file "C:\WINDOWS\System32\drivers\etc" to make google for example point to 127.0.0.1 # Additionally, comments (such as these) may be inserted on individual # lines or following the machine name denoted by a '#' symbol. # # For example: # # 102.54.94.97 rhino.acme.com # source server # 38.25.63.10 x.acme.com # x client host 127.0.0.1 localhost ::1 localhost 127.0.0.1 google.com This works fine under windows Vista, but not under Widows 7. When I type google, it goes directly to Google's website. For info, I am not using a proxy server. I think there are some temporary DNS settings that must be flushed, but I don't know how, anyone knows how to fix this? Thank you.

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• SQL Server 2005/2008 Licensing Decision

  - by Hakim

  Hello, I have purchased a dedicated server from a reputable Hosting company. They only have Windows Server 2008 OS installed on it and NO Sql server. Server Configuration is Intel Dual core Processor with 2GB of RAM and 100GB HDD. I wanted to host my web services on that server which will be using the MS SQL Server 2005 at the backend.There are multiple web services and each using a different Database. Microsoft has CAL basis Licensing , Which I understand is based on number of users accessing the database directly ( I may be wrong ) . But my users will be accessing the webservice and no direct connection to the database as such. Yes but the number of users accessing the web server cannot be known and is not under my control. Which Licensing is best suited for this kind of setup ? I don't need analysing and BI services right now ,but i may want to upgrade that in future may be. Any help will be appreciated. Thanks

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• Router not assigning an IP address after installing OS X 10.6

  - by Vaibhav Bajpai

  I recently installed Mac OS X 10.6, however the ethernet state is down. The assigned IP is 169.x.x.x. When booted the live USB of Ubuntu, I properly get an IP assigned in the range 192.168.1.x from the router 192.168.1.1 I am using the same router and same ethernet line. I tried to ping to 192.168.1.1 from my Mac and I get a host down message. I tried to manually assign the IP and set the router IP to 192.168.1.1 but still the router is unreachable.

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• Emails going into junk and spf records

  - by user346443

  Hi, our emails are being flagged as junk. I have two different webistes both with their own dedicted ip address. sitea.com = xx.xx.xx.43 siteb.com = xx.xx.xx.44 Im using hmailserver to host our emails and have the smtp bound to the ip address of xx.xx.xx.42 im aware that i can set up a spf record to state that the what servers emails can be sent from v=spf1 mx ip4:xx.xx.xx.43 mx:mail.sitea.com ip4:xx.xx.xx.42 -all Would the fact that email are not sent from the sites ip's be causing them to be flagged as junk. Cheers Cam

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• Squid throws error, The requested URL could not be retrieved

  - by Supratik

  Hi Sometimes I am getting the following error The requested URL could not be retrieved While trying to retrieve the URL: http://groups.google.com/ The following error was encountered: Unable to determine IP address from host name for groups.google.com The dnsserver returned: Refused: The name server refuses to perform the specified operation. This means that: The cache was not able to resolve the hostname presented in the URL. Check if the address is correct. Your cache administrator is root. What could be the reason for the above error ? Regards Supratik

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• Windows and domain suffix addition

  - by grawity

  I have a DNS domain and host it on my own server. My desktop PC (Windows XP) is configured to have mydomain.tld as its primary DNS suffix. Now, when the system tries to resolve any domain - stackoverflow.com, for example - it tries with the suffix added first, even if the name has periods in it. In other words, it tries stackoverflow.com.mydomain.tld. before stackoverflow.com.. Is this valid according to DNS standards and common sense? Is there anything I can do to prevent it, other than removing the prefix completely? (I still want it to be appended to single-component hostnames. Currently I have two prefixes . and mydomain.tld. configured, but it isn't very fast when resolving foohost.)

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