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• openvpn and virtualbox

  - by hyperboreean

  Hi guys, I have a linux machine on which I occasionally run Windows XP in Virtual Box. All runs wonderful, except for the openvpn in XP, which can't connect to the vpn server running on a remote machine. The vpn client works from linux ... as far as I read until now it seems to be a problem of port forwarding ... I keep getting this error: TCP/UDP: Incoming packet rejected from 10.0.2.2:1194, expected peer address: (allow this incoming source address/port by removing --remote or adding --float) , but have no idea how to fix it.

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• Limit disk I/O one program creates?

  - by Posipiet

  Hardware: one virtualization server. Dual Nehalem, 24GB RAM, 2 TB mirrored HD. Software: Debian, KVM, virt-manager on the server with several virtual machines that use Linux too. 2 TB Disk is a big LVM, each VM gets a logical volume and makes its own partitions in that. Problem: One of the programs that runs on one of the VMs creates huge disk load. This never was an issue, because the program never ran on such a powerful hardware. Now the CPUs are fast, and lots of I/O is the result. We cant do much against that at the moment, because the tool is a black box. On the other hand, the speedy computation is welcome. The program creates about 5 GB of temp files which get overwritten during the next iteration. Question: How can we limit the disk I/O for the process?

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• MySQL - allow connection from remote machine as root user

  - by Senthil Kumar

  Hi all, When I installed MySQL server in Windows, there was an option "Allow root connection from remote machine". I checked that option and I had no probs when using it. I installed MySQL server in Ubuntu 9.04 using apt-get install. I can connect to the sql server from the same machine but when I try to connect from a virtual machine, it doesn't work. My guess is that I should allow root connection from remote machine. How to do that?

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• Apache2 SSL And Passenger Configuration Issue

  - by Aditya Manohar

  I have the following virtual hosts configuration blocks. <VirtualHost *:80> DocumentRoot /var/www/html/TestApp/public/ <Directory /var/www/html/TestApp/public/> Allow from all Options -MultiViews </Directory> </VirtualHost> NameVirtualHost *:443 <VirtualHost *:443> DocumentRoot /var/www/html/TestApp/public/ <Directory /var/www/html/TestApp/public/> Allow from all Options -MultiViews </Directory> SSLEngine on SSLCertificateFile /etc/pki/tls/certs/server.crt SSLCertificateKeyFile /etc/pki/tls/private/server.key </VirtualHost> I trying to serve a Rails App off Passenger on Apache. The Problem: The TestApp works fine with Apache and Passenger when not using SSL When I use https://, I see the contents of /var/www/html The path to TestApp is /var/www/html/TestApp Any help will be much appreciated.

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• Other users on my Server?

  - by Jennifer Weinberg

  I'm buying a Server from a person (that I don't know really well) and I want to make sure that the previous owner hasn't got any access anymore. It's an Ubuntu Virtual Server and I already received the admin access (via shell). How can I find out if there are still other accounts left, who are still able to access my server (e.g. with a still existing shell account, ftp or another type of user account)? And how can I delete them if these accounts exist? Best regards, Jennifer

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• Has anyone managed to install Office Webapps on SharePoint 2010, on Windows 7 ?

  - by Nick Haslam

  I've installed SharePoint 2010 as a development environment on my Windows 7 x64 environment (notes here) and would like to install Office Web Apps onto it also. However, when trying to install (following this link), I get an error saying that Web roles aren't installed. The error message in the log file is: Start C:\Windows\system32\ServerManagerCmd.exe -whatif -inputpath C:\Users\nickh\AppData\Local\Temp\PRE1.tmp.XML Error: Failed to start process for file: C:\Windows\system32\ServerManagerCmd.exe arguments: -whatif -inputpath C:\Users\nickh\AppData\Local\Temp\PRE1.tmp.XML ErrorCode: 2(0x2). Which is effectively saying that ServerManagerCmd is not found. It isn't on my machine as it is deprecated and replaced by Powershell functions, but is on Server 2008 R2. I've tried copying that over and it just fails to run. Is there a way to get Office WebApps installed on Win7 ? Is there a way to get a working version of ServerManagerCmd.exe on a Windows 7 x64 environment ? Many thanks

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• MSDTC on server x is unavailable

  - by Fishcake

  I have Windows Server 2003 running in a virtual machine, running some software that is trying to update a database within transactions on my Windows 7 machine (the host for the VM). On my host I have edited the settings for Local DTC by selecting the following Client and Administration Allow Remote clients Allow Remote administration Transaction manager communication Allow inbound Allow outbound No authentication required However when I try to run the software I receive this error: MSDTC on server 'x' is unavailable. Whilst searching for fixes most just suggest making sure the service is running which I have. Cheers!

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• What does "cpuid level" mean?

  - by ogzylz

  For an example, I put just output from 1 core of a 16 core machine. What does the output mean by "cpuid level" of "6"? Also, what do "bogomips" of "5992.10" and "clflush size" of "64" mean? processor : 0 vendor_id : GenuineIntel cpu family : 15 model : 6 model name : Intel(R) Xeon(TM) CPU 3.00GHz stepping : 8 cpu MHz : 2992.689 cache size : 4096 KB physical id : 0 siblings : 4 core id : 0 cpu cores : 2 fpu : yes fpu_exception: yes cpuid level : 6 wp : yes flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm syscall nx lm constant_tsc pni monitor ds_cpl vmx cid cx16 xtpr lahf_lm bogomips : 5992.10 clflush size : 64 cache_alignment: 128 address sizes: 40 bits physical, 48 bits virtual power management:

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• Rails with phusion passenger and wordpress

  - by Venu

  We had a site developed using on ruby on rails. It had Website Web services for mobile app Admin panel to manage data. We started using wordpress to manage site content. We have finished development, have to move to production now. This is the current virtual host code for wordpress to work under /wordpress URI. <Location /wordpress> PassengerEnabled off <IfModule mod_rewrite.c> RewriteEngine On RewriteBase /wordpress/ RewriteCond %{REQUEST_FILENAME} !-f RewriteCond %{REQUEST_FILENAME} !-d RewriteRule . /wordpress/index.php [L] </IfModule> </Location> I want to make phusion passenger work for the /admin and /api URIs. And / to go to wordpress. Can we change the document root based on the URI? or any other better solution?

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• Why does iChat Server keep connecting to proxy.eu.jabber.org?

  - by Tom Hamming

  I have OS X Server 10.6.5 running on a new Mac Mini (server model), serving several functions among which is iChat Server (iChat and Pidgin on Windows as clients). In the iChat log in Server Admin, I kept seeing entries about connecting to proxy.eu.jabber.org. It's for our office network and I wasn't excited about external access to it, so I disabled server-to-server XMPP federation and now the connections just time out. But why is it doing that in the first place? Sample log entry: (datetime) (servername)jabberd/resolver[portnum]: [xmpp-server._tcp.proxy.eu.jabber.org resolved to 208.68.163.220:5269 (300 seconds to live) then: sending dialback auth request for route '(full server hostname)/proxy.eu.jabber.org' A couple minutes later, it comes back with: dialback for outgoing route '(full server hostname)/proxy.eu.jabber.org' timed out

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• Torrent: Webseed or seeding client on server?

  - by Eliasdx

  I want to share a file using bittorent which I also offer over http. The torrent should be seeded by a dedicated and a virtual server and by people who are downloading it to lower bandwidth costs. My question: Should I set up a bittorrent client (rtorrent) on the servers and let them seed the file or should I use webseeds? I also want to limit the bandwidth the server uses to seed which is possible using rTorrent. How many bittorrent clients support webseeds? I found it in µTorrent and never heard of it before.

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• Easily tell if focused on VirtualBox window?

  - by Benjamin Oakes

  Is there a way to make it very obvious that my VirtualBox window isn't in focus? The problem I'm having is switching between workspaces on Ubuntu or OS X and then trying to type in my Windows virtual machine, only to find that it's not in focus. The Windows window looks like it's in focus (based on the title bar), but I'm actually typing in Firefox on the host machine, for example. It's even worse because the Windows text insertion cursor is blinking to show focus. Ideally, I'd like the VM's display to get unsaturated (e.g. a "partial" grayscale) when not in focus, just to prevent this keyboard-focus problem. Other options would be fine too, as long as I don't have to second guess where my focus is. I'm not using the seamless mode -- the display is all within a window.

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• Windows replacement for HAProxy

  - by GrayWizardx

  It does not appear that there is a similar question to this already posted, so I will go ahead and ask. I am working on a project that could benefit from having two - four servers handling incoming requests to a backend webservice. The service does not require SSL but does need to support occassional long running processes (upto 120 secs). This project does not at present have the funding to purchase a hardware load balancing solution. I have previously used HAProxy as a solution for this, and found it very simple and straightforward. Is there a similar product for windows (server 2003 or 2008) which provides similar configuration options and runs as a lightweight service? For reasons outside my control I cannot setup a Linux machine (physical or virtual) and so I am looking for behaviour that can be deployed on a windows machine. I can only find Perlbal which appears to fall into this category. So as not to keep this open indifenitely I will give credit to the only answer.

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• Encrypt remote linux server

  - by Margaret Thorpe

  One of my customers has requested that their web server is encrypted to prevent offline attacks to highly sensitive data contained in a mysql database and also /var/log. I have full root access to the dedicated server at a popular host. I am considering 3 options - FDE - This would be ideal, but with only remote access (no console) I imagine this would be very complex. Xen - installing XEN and moving their server within a XEN virtual machine and encrypting the VM - which seems easier to do remotely. Parition - encrypt the non-static partitions where the sensitive data resides e.g. /var /home etc. What would be the simplist approach that satisfies the requirements?

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• Best Small Linux Distribution for rDesktop

  - by d2jxp

  What would be the best linux distribution to use just for the purpose of rDesktop? We're trying to decide if we should get rid of old computers or just use them as thin-clients to connect to virtual Windows 7 machines on our network. I would like something with as little bloat as possible and can be run from a USB flash drive. I have tried SliTaz, ThinStation, and Pixil from Century Software. SliTaz has been my favorite so far but I still want to know if there's something better that's also easily customizable.

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• mailman not relaying email to external address

  - by gozzilli

  I have a setup of mailman with postfix on an ubuntu server 12.04. My problem is that mailing list emails are not forwarded to email addresses external to my institution. However the initial welcome email is received by everyone, internally and externally. in fact, a simple email from command line with mail is successfully sent to anyone after that, mailing list emails are only forwarded to internal addresses. the domain name I'm using for the server is not that of my institution who is hosting the server. Here is my main.cf: myorigin = sub.myinstitution.tld mynetworks = 127.0.0.0/8 xxx.xxx.xxx.xxx/16 # this is my institution ip range relayhost = smtp.myinstitution.tld inet_interfaces = loopback-only local_transport = error:local delivery is disabled virtual_alias_maps = hash:/etc/postfix/virtual smtpd_recipient_restrictions = permit_mynetworks myhostname = mywebsite.tld mydestination = $myhostname, localhost.$mydomain, localhost I also found these two links on serverfault and ubuntu forums, but neither of these solutions seem to do the trick for me. Any help would be much appreciated.

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• What is causing a vm to exhibit packet loss?

  - by Joe Philllips

  We have a pretty nice piece of hardware set up to run multiple virtual machines in vmware and one of the vm's is an instance of Windows Server 2003 running SQL Server 2005. For some reason we occasionally see 10-20 seconds of straight packet loss to this machine from remote machines (my workstation) as well as other vm's on the same physical hardware. I am using PingPlotter to keep a close eye on the packet loss. So far we've turned off flow control on the NIC but we are already running out of other things to try. What might be causing this and how can I identify the problem? Note: We also have another server with a very similar configuration with the same type of problem to a lesser extent (because its not used as heavily?)

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• Software to cache a web application for use offline

  - by littlecharva

  My boss quite regularly has to demo our web application to clients in a situation with no wifi available and sketchy 3G access, quite often the 3G lets him down. I have considered setting a copy of our server up in a virtual machine on his laptop so he could demo it offline, but I fear this will just introduce more headaches when he forgets how to boot the VM up. What I'd ideally like is an app that records you logging into a web app, saves copies of all the pages and ties the links and buttons you click up to offline copies of the pages it saves. So you could run through the demonstration you're going to give and have it cache the pages. When you then click the same buttons and links in offline mode it will present the relevant offline pages. Does such a thing exist? Can anyone recommend any alternative solutions to this problem? Thanks, Anthony

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• How do I troubleshoot CanoScan LIDE20 on Ubuntu 9.10 in VirtualBox?

  - by kara-marfia

  This may be a VirtualBox question more than anything else. The host OS is Win7, which sees the scanner, but has no drivers for it. VirtualBox sees & recognizes the scanner as "Cannon Scan" and shows "state captured" when I hover over USB devices. Searching gives me many happy reports of this particular scanner being well supported, and that SANE should work with it immediately (also listedin the Supported Hardware List. I get "no devices available" from XSane... and I'm not sure where else I can check. I'd like to see if VirtualBox is telling the truth and find out if the USB port is actually being fed into the virtual OS. Can anyone point me in the right direction of where/how to do that in Ubuntu? Or other bright ideas. I'm starting with a little project to add some zing to my beginner linux studies - I'm sure I haven't checked some obvious things, because I don't know them yet. ;)

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• Converge Voice and Data networks using Sonicwall

  - by skinneejoe

  We are looking to converge VOIP and Data traffic onto a single wire so that our client's VOIP phones pass data through to the users computer. We are specing out a new Sonicwall NSA appliance to handle routing functions and layer 2 switches to manage VLANS. Not a huge network, medium sized. What should I know about converging the networks onto a single wire? Obviously I'll want to prioritize voice traffic, is this handled solely in the Sonicwall with QoS configurations or do the layer 2 switches need to be configured differently? Any other pitfalls I should be aware of, or any good resources for learning more?

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• How much memory should my rails stack be consuming?

  - by Hamish

  I am running my own webserver on a 384MB VPS from Slicehost to serve two Ruby on Rails applications on separate Virtual Hosts. I am running Phusion Passenger with Apache2. The following is the contents of my Passenger.conf <IfModule passenger_module> PassengerRoot /opt/ruby-enterprise-1.8.6-20090610/lib/ruby/gems/1.8/gems/passenger-2.2.11 PassengerLogLevel 0 PassengerRuby /usr/local/bin/ruby PassengerUserSwitching on PassengerDefaultUser nobody PassengerMaxPoolSize 3 PassengerMaxInstancesPerApp 2 PassengerPoolIdleTime 300 # Ruby on Rails Options RailsAutoDetect on RailsSpawnMethod smart NameVirtualHost *:80 If i do a 'top' on my server I have 314MB used on average, this seems like too much? Am I mistaken and if not what possible steps can I take to reduce the Memory usage? Thanks!

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• Buyers question: Have intel AES-NI already been integrated in IPSEC stacks?

  - by deploymonkey

  Dear serverfault, I need to decide between deploying Opteron 6100 and Xeon Westmere EP, so I regard this a platform question. If not, it may be moved to stackoverflow and I hereby declare that I am very sorry. Do any (F)OSS or proprietory IPSEC stacks already use the AES-NI functions of the Westmere-EP? Thanks a bundle! ps. If anyone would like to create the tag AES-NI, You're welcome. I couldn't due to lack of rep.

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• Creating a vm using Hyper-V causes the host of BSOD

  - by Arcass

  Hi, Problem description: When I try to create a virtual machine, the host bsod part way through the process. From the logs in lookes to fail/hang on the "Creating new VirtualDisckDriver with new VHD" step. The BSOD error code is SYSTEM_SERVICE_EXCEPTION : STOP:0x0000003B When the machine has finished restarting, it looks to have created the vhd and XML files for the vm but it isn't accessable. I have two server bothing behaving in exactly the same way, so I don't believe it's a hardware fault. Has anyone had a similar experince? How did you resolve the problem? NOTES Hardware: HP DL380 G6 BIOS : 2010.03.30 (14 Apr 2010) [Latest from HP website] Inter Hyperthreading: Disabled Intel Virtuazation Technology : Enabled No-Execute Memory Protection: Enabled Mem check reports no errors OS: Windows 2008 Sp2 x64bit fully updated regards Arcass

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• opening Dbf files in oracle 10g

  - by nagaraju

  This nagaraju,from India,Hyderabad. I have installed oracle 10g trail version in my system(E drive),created one database with my name(database:-nagaraju),in that created tables, prodecures ,functions ,sequences etc for my project. Due to some sudden problem,i formatted my machine C drive,now iam not ablle to open my database, i need all procedures ,tables which i created in that. Now I newly installed oracle10g again in another folder,how can i copy my old database into my inew installation database. Or can i copy the script of procedures so that ican run in new database. I have all data in Oradata folder,like DBF files etc. Could you please help me, how to do that?

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• Gnome Terminal intercepts ctrl-F1

  - by frank

  Gnome Terminal does not pass on to applications the keypress ctrl-F1. It's an official bug: https://bugs.launchpad.net/ubuntu/+source/gnome-terminal/+bug/932940 The bug is marked Feb. 2012 but lives on in serendipity since 2009. The bug report is not even complete since shift-ctrl-F1 is also affected. However, I noticed that those two keys are the default keys for switch-to-workspace-1 and move-to-workspace-1. So I disabled them. Zero, zippo, zilch: Gnome Terminal would still swallow the keys. Next, I assigned to those two workspace functions totally different keys. The new keybindings did work, Gnome Terminal would still swallow ctrl-F1 and shift-ctrl-F1. Where are the default workspace keybindings stored? [Not in a xml-file.]

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