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• Mount a remote Linux hard drive as another Windows 7 partition during boot?

  - by zhuanyi

  I would like to mount a hard drive on a remote computer (running on CentOS 6) as a Windows drive so that I can install programs to that drive. The primary hard drive for my Windows machine (which is at home) is pretty small, I have a Linux server sitting in a remote data center with a much larger hard drive and allow me to install more stuff. I know most of you are going to say Samba, unfortunately the biggest problem for me in this case is that I can not mount Samba as a network share unless I start OpenVPN or SSH tunneling first, which is not good for my case because I will install some startup programs to the remote drive as well. Therefore, the remote drive has to be ready and work just like another drive BEFORE any of the startup programs start to load. Is that possible? My home PC has Windows 7 Professional 32 bit installed and the remote server is a Xen virtual server running on CentOS 6. I have admin/root permissions for both. Thanks a lot!

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• MS 2008 R2 Drops Remote Desktop Sessions in 10 seconds or less every time

  - by mike42

  I'm adding a new 64-bit server to our domain. Everything seems fine except when accessing the machine using remote desktop, after a few seconds the connection is lost. The error message is "This computer can't connect to the remote computer." "Try connecting again. If the problem continues, contact the owner of the remote computer or your network administrator." A similar result with Telnet on port 3389. I am able to connect but if I hit a key the connection to host lost. The event log shows the successful login. No errors. Any ideas?

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• Two 24' displayed vertically in Ubuntu

  - by QuinnBaetz

  I just got two 24' inch monitors, and want them to display vertically side by side. I got one to but can't figure out the command to get them both vertical and displaying. xorg.conf: Section "Monitor" Identifier "Configured Monitor" EndSection Section "Screen" Identifier "Default Screen" Monitor "Configured Monitor" Device "Configured Video Device" SubSection "Display" Virtual 3840 1200 EndSubSection EndSection Section "Device" Identifier "Configured Video Device" EndSection xrandr: Screen 0: minimum 320 x 200, current 3840 x 1200, maximum 3840 x 1200 VGA connected 1920x1200+0+0 (normal left inverted right x axis y axis) 519mm x 324mm 1920x1200 60.0*+ 1600x1200 60.0 1280x1024 75.0 60.0 1152x864 75.0 1024x768 75.0 60.0 800x600 75.0 60.3 640x480 75.0 59.9 720x400 70.1 TMDS-1 connected 1920x1200+1920+0 (normal left inverted right x axis y axis) 518mm x 324mm 1920x1200 60.0*+ 1600x1200 60.0 1280x1024 75.0 60.0 1152x864 75.0 1024x768 75.0 60.0 800x600 75.0 60.3 640x480 75.0 59.9 720x400 70.1 any clue on the command to make them vertical? Thanks!

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• Apache spawning one process a day, what causes it?

  - by xtrimsky

  I have a PHP server running, with cron jobs etc... And once a day (between midnight and 3am), apache spawns one process that never ends. The server is a virtual server, so in a couple of days it eats up the whole memory. Is there a way to figure out what is crashing ? What php script isn't finishing ? Or what url via apache was triggered ? I have tried looking on the access logs, errors logs, but didn't find anything unusual. Thank you

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• MySQL server simple insert/update/delete queries are taking a long time to execute

  - by ElGabbu

  We have a VPS hosting server with a MySQL server running on it. We host several databases for client's websites. Recently we have noticed that insert/update and delete queries are taking a long time to execute sometimes as close as 30 seconds. I use the following command to see these queries being executed: watch -n1 mysqladmin proc stat We have still not been able to track the root of this problem. I would apprecite if anyone had any pointers as to what we can check or improve to resolve the issue. Thanks

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• Domain in a hosted environment

  - by cpgascho

  We have an application we host in a third party data center for our clients. We have multiple clients running the same application on several racks of servers. Most of our clients require that our servers be SAS70 compliant. Currently each server has it's own set of users and security settings that need to be configured. We are creating scripts to do this, but what would be the risks/advantages of joining all the servers to the domain for User Management and Group policy for enforcing security settings? The rational of some is that if the DC is hacked the whole network would be compromised where as if one stand alone hosted server is hacked everything else should be safe.

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• recovering vm data from crashed XenServer install

  - by user58983

  We're using xenserver 5.6 from citrix to run our virtual machines. The box is old and creaky, and the hard drive went. (We had a super limited budget of $0 at the time). Turns out the only machine on there we actually needed, was the only one not backed up... anyway, we've replace the hard drive, and reinstalled xensever. however while trying to find our old vm disk images, i have no idea where they sit, and i'm beginning to think they're on a lvm partition? is there anyway to access the disk images from the old vm's on this hard disk, which is attached to the xenserver machine via a usb-sata converter?

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• /etc/hosts file for a multi-homed, multi-domain machine?

  - by threecheeseopera

  I have a server (debian) with two network interfaces that I would like to host multiple services and domains on; it is not entirely clear to me how the hosts file should be set up. Example: eth0, bound to WAN interface 1.2.3.4: mail.example.com www.example.com eth0:1, bound to WAN interface 1.2.3.5: www.other-domain.com eth1, bound to LAN 192.168.1.123: some-clever-hostname What should my hosts file look like? (including localhost,localhost.localdomain, etc.) Should I use DNS for some of these entries? Which ones? Thanks!

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• VMWare Player 5.0 Upgrade - Bridged Networking No Longer Works

  - by Syndog

  I've been using VMWare Player 4 on my Windows 7 PC, running my VMs under a bridged networking configuration without any problem. I settled on bridged networking two reasons... I often use VMs to host web applications for test purposes. I never could get NAT to work for me anyway, but no love lost, considering reason #1. Now that I've upgraded to VMWare Player 5, the situation has completely reversed. In other words, bridged networking no longer works at all, and NAT does. Has anyone else come across this? Any ideas on getting bridged networking to work again? This happens with both Windows and Linux guest OSes. VMWare Tools has been fully updated. I've tried the usual vmnetcfg.exe utility fix, to no avail.

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• RUNIT - created first service directory, "sv start testrun" does not work

  - by Veseliq

  I'm pretty new to runit. I installed it on a Ubuntu host. What I did: 1) created a dir testrun in /etc/sv 2) created a script run in /etc/sv/testrun/run, the script content: #! /bin/bash exec /root/FP/annotate-output python /root/FP/test.py | logger -t svtest 3) If I call directly /etc/sv/testrun/run it executes successfully 4) I run sv start testrun (or sv run testrun, sv restart testrun), all of them end up with the same error msg: fail: sv: unable to change to service directory: file does not exist Any ideas what am I doing wrong? I'm new to runit and base all my actions on the information found here: http://smarden.org/runit/

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• Best way to partition 1 TB (Linux and Windows 7)

  - by Simon

  Is there an intelligent way to partition 1 TB and be prepared for resizing/adding/deleting partitions? I was thinking about LVM, but as far as I remember, Windows 7 can't be installed on logical volume right? For now my plan is: - ~150 GB for Windows 7 and other stuff (Visual Studio..., maybe I'll split it 100/50 or something like that) - simple NTFS - 850 GB = LVM - disk for Linux (Ubuntu) and other stuff virtual machines, etc. I'm mostly interested in how and what tools should I use to get easy in maintain partitions for both systems.

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• How to attach multiple ipv6 ips to eth1 on debian

  - by Noodles

  I've just got a new server with native ipv6. I want to attach multiple ipv6 ips to eth1, but the only way I can see to do so is to attach them individually: i.e. address 2607:f0d0:xxxx:xxxx::2 address 2607:f0d0:xxxx:xxxx::3 address 2607:f0d0:xxxx:xxxx::4 Is it possible to bind whole subnets of ipv6 to a single network interface on debian? My server host tells me I have 18,446,744,073,709,551,616 ipv6 addresses for that server, surely it gets to be a nightmare to manage if they all have to bound individually (plus ifconfig would look messy). Does anyone have a solution?

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• How should oracle vbox look like in terms of Memory, CPU and Performance? [duplicate]

  - by Nicholas DiPiazza

  This question already has an answer here: Can you help me with my capacity planning? 2 answers I've got a need for a ton of VMs to simulate some realistic load testing scenarios. I've got a bunch of different host machines that differ in ram, cpu's, etc. What should my resource manager look like? Is there a standard way to know what the CPU, Memory and Disk Utilization should be given your CPUs + Memory available + Disks available? For example, I have a box: MemTotal: 50 Gb CPUs: 8 CPUs are pretty much 100% all day long. Memory is at about 60%. Swap not getting hit. Little bewildered by why the VMs, while doing the exact same test script, are showing different virtual memory consumption. Huh.

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• Software to automate event notifications

  - by user6781

  I maintain a small web site and people can send an email to request information about new events. I would like to automate the process of updating people about new events via email. Is there some easy existing software package to do this? Where I can configure events with a date/description/etc... and have mails get sent automatically? The alternative is to build a MySql database and have some python script in a cron job that does it. I'd like to know if this is a solved problem though. I'm running on a shared host (dreamhost if it matters)

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• Mac OS X Server 10.6.6 "disables" CPU in VMware Fusion [closed]

  - by wjlafrance

  Hello! I installed Mac OS X Server 10.6.0 in VMWare Fusion the other night and it worked perfectly, until I ran Software Update. I upgraded to 10.6.6 through the combo updater, and now when I start the VM it says: "The CPU has been disabled by the guest operating system. You will need to power off or reset the virtual machine at this point." I've switched the operating system in the options to OS X Server 32bit, 64bit, and even to Windows 7, and nothing has worked. Does anyone have any ideas?

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• Port forwarding using IP Tables

  - by Darider

  I have a server with a LAN facing address of 192.168.5.100 (eth0) and another LAN facing address of 192.168.6.6 (eth1). On this server I have a Virtualbox instance of fedora running an apache webserver (on port 8080) with a bridged interface to eth1 on the host server with address of 192.168.6.7 Users on the 192.168.6.x network can access the Webserver on the Vbox instance (192.168.6.7) with no problems. My question is what kind of iptables entries or commands should be made/executed so as to allow for users on the 192.168.5.x network to access the webserver on the vbox instance. (I'm hoping their url can be something like: http://192.168.5.100:8080)

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• Modify Oracle SOA Suite 11g repository DB config

  - by Alfabravo

  Hello there! Don't know if this question goes here or in superuser. Anyhow, let's try. I have an Oracle SOA Suite installed in a server. The repository database is installed in another server. Both are virtual. Sadly, we don't have snapshots neither UPS and lights went off yesterday... the repo database is now a bunch of unformed bits and we need to recreate it. ¿Is there any way to reconfigure Oracle SOA Suite to use a brand new repository? Or should I paninfully reinstall the whole crap? Thanks in advance.

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• Error 1069 the service did not start due to a logon failure

  - by Si.

  Our CruiseControl.NET service on Win2003 Server (VMWare Virtual) was recently changed from a service account to a user account to allow for a new part of our build process to work. The new user has "Log on as a service" rights, verified by checking Local Security Settings - Local Policies - User Rights Assignment, and the user password is set to never expire. The problem I'm facing is every time the service is restarted, I get the 1069 error as described in this questions subject. I have to go into the properties of the service (log on tab) and re-enter the password, even though it hasn't changed, and the user already has the appropriate rights. Once I enter the password apply the changes, a prompt appears telling me that the user has been granted log on as a service rights. The service will then start will no problems. Not a show stopper, but a pain none-the-less. Why isn't the password persisting with the service?

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• Is there anyway that I can set the 'real' memory usage value while running my java code?

  - by vira

  I'm running a code on a server to generate a 10,000x10,000 matrix and save each value into a table (MySQL). I was informed by the administrator that I can use up to 32g of the physical memory of our server but have no idea how to do it. I googling around and so far only found information about setting the virtual memory using -Xmx. I tried it anyway and using top command I got this: PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND 3981 gv 35 15 32.4g 304m 10m S 1 0.5 9:54.84 java So, it shows that the -Xmx set the VIRT and not the RES value. Is there anyway that I can set the RES value into 32g?

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• Upgraded to Mountain Lion, now 127.0.0.1 is not resolving

  - by Shanimal

  I used to be able to type 127.0.0.1 (or my network IP 10.10.53.32) and it would resolve to my "default" virtual host. 127.0.0.1/~Shanimal and shanimal.dev both resolve to their appropriate folders. localhost and 127.0.0.1 give me a 404 - "Not Found The requested URL / was not found on this server." Basically, my "It works!" screen no longer works. /private/etc/apache2/Shanimal.conf: <Directory "/Users/Shanimal/Sites/_www"> Options Indexes Multiviews AllowOverride AuthConfig Limit Order allow,deny Allow from all </Directory> hosts: 127.0.0.1 localhost 127.0.0.1 shanimal.dev

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• I need to make Windows 7 STOP disabling the wifi adapter when the wired LAN is connected

  - by Escobar Ceaser

  This is a Dell Latitude E6430. There is a setting in the bios to control this behavior and I have DISABLED it but it still happens. I am also running the latest bios. When I plug in a network cable the wifi adapter becomes disabled. I need it to stay enabled. What else could be making this happen? EDIT: The reason I need to do this is because with NETSH WLAN commands you can create a wifi hotspot by sharing the internet connection on the wired adapter and broadcasting a ssid on the virtual wifi nic. I do this all the time but it's not working on this laptop. I'm wondering if it's a network security thing where I am. I'm going to try from my hotel tonight and report back.

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• Why can't my FreeBSD 6.1 (vmware player client under Win7) do DNS in Bridged mode.

  - by Walter Stickle

  I have a 64-bit FreeBSD 6.1 client, running under Windows 7 (64-bit) via VMWare player 3.0, with networking set to bridge mode. DHCP goes fine on boot... I get correct adress/gateway/nameserver info... I have good connectivity to the world in that I can ping any host I can name by IP addr, (including both of the nameservers in resolv.conf,) ...but I can't resolve any names. Inside the Windows box, the network interface has VMWare Bridge Protocol enabled, and the windows side of things has full connectivity. dig replies with: ;; connection timed out; no servers could be reached ...even if I use "dig @server_ip_addr" to point it at a pingable, working nameserver If I set VM networking to NAT mode, I can get outbound connectivity (with happy DNS) but, of course, can't do INBOUND connectivity, which I need. Thoughts?

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• Varnish with multiple hosts/subdomains

  - by jerhinesmith

  I'm new to Varnish, and I'm hoping it already does this "out of the box", but I'd like to clarify before I consider using it in production: Here's my setup: I have multiple sites running off of the same machine that vary by subdomain (i.e. user1.example.com, user2.example.com, etc.) Each "site" has a profile picture that has the same name (i.e. user1.example.com/profile.png, user2.example.com/profile.png) Will Varnish recognize these as separate resources and cache them accordingly? Or will I need to change something in the VCL to tell it include the full host url when looking up cache hits?

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• Performance problems - Jira running on Ubuntu over VMware ESX 4.0 maxing out all 4 vCPUs.

  - by Jack T

  We are running Jira on a box under VMware ESX 4.0 and performance is vaiable to say the least. The physical box has 12 Gig RAM and 4x Xeon 2.26 GHz CPUs. vCentre is telling us the CPUs are not maxed out at any time, RAM is fine too. When we issue a request to the host it sometimes maxes out all 4 vCPUs. Sometimes it's quick, sometimes very very slow. There doesn't seem to be a pattern. Any ideas?

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• hosting website on a private network

  - by razor

  i'm currently running a website off 3 linux servers. I'd like to setup a private network and only allow port 80 traffic to one of the servers. I'd also like to setup a vpn so only I can access the servers via ssh or any port for developing/debugging. How hard is this to setup and what do I need to get? Do enterprise/commercial routers have vpn functionality built in? how do I handle DNS? eg- www.mydomain.com would need to point to the router, which forwards traffic to the webserver. Do I set the A record to the router, and somehow tell the router which server to send the http request to? And how would I make server1.mydomain.com resolve to server1 within the private network (without editing host files)? Would I need to run my own DNS (eg- powerdns?) to do this?

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