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• windows 7 frequently crashes when running 64 bit debian on virtualbox

  - by erin c

  I've been having some hard times with Virtualbox. I use it to run 64-bit Debian guest on a Windows 7 host to be able to code for linux systems. It generally crashes when I build my code in eclipse cdt, or if I am doing some intensive operations. Should I lower the memory and core usage? Is this some sort of virtualbox problem? I upgraded to virtualbox v4.1.8 and the problem still occurs. My virtual machine instance uses 1736MB out of 4GB of ram, and I use 2 out of 8 processor cores. But still, the whole thing crashes 1 or 2 times every single day.

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• How do you passthrough native SATA drives to a guest on ESXi?

  - by John

  I have ESXi 4.0 running on an Intel DX58S0 Mothboardboard with an Intel Core i7 930 processor. VT-d is also enabled. I have three drives in the system, drive 0 is used for ESXi. Drive 1 and 2 contain data from an older machine and show up under the "Storage Adapters" section in configuration. I would like to allow a guest machine to access the data on these drives (as nativly as possible). I have enabled passthrough of the motherboard's built in SATA controller (Intel/Marvell 88SE6121 ). This controller shows up in my guest OS, but the guest shows no drives aside from the normal virtual drive. I have tried a Linux guest and Windows7. I have also configured the host machine to try IDE/RAID/ACHI modes for the SATA controller. Any ideas how I can configure one of my guests to get at the raw data on these drives?

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• Using pscp and getting permission denied

  - by Espen

  I'm using pscp to transfer files to a virtual ubuntu server using this command: pscp test.php user@server:/var/www/test.php and I get the error permission denied. If I try to transfer to the folder /home/user/ I have no problems. I guess this has to do with that the user I'm using doesn't have access to the folder /var/www/. When I use SSH I have to use sudo to get access to the /var/www/ path - and I do. Is it possible to specify that pscp should "sudo" transfers to the server so I can get access to the /var/www/ path and actually be able to transfer files to this folder?

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• Running PHPmyAdmin on Nginx, port 8080 passed to varnish not working well!

  - by amrnt

  I installed Nginx, Varnish and PHP-fpm. Then I installed PHPmyAdmin and made a virtual host for it: server{ listen 8080; server_name phpmyadmin.Domain.com; access_log /var/log/phpmyadmin.access_log; error_log /var/log/phpmyadmin.error_log; location / { root /usr/share/phpmyadmin; index index.php; } location ~ \.php$ { fastcgi_pass 127.0.0.1:9000; fastcgi_index index.php; fastcgi_param SCRIPT_FILENAME /usr/share/phpmyadmin$fastcgi_script_name; include /opt/nginx/conf/fastcgi_params; } } When I go to phpmyadmin.Domain.com it works as expected! but after submitting username/password it redirects me to phpmyadmin.Domain.com:8080/index.php?... with page cannot be found response as well! What could I do?

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• Server 2008 R2 Datacenter (and all other version) not detecting hardware

  - by Mitchell Skurnik

  I upgraded my ASUS KFN32-D SLI/SAS motherboard to the latest BIOS version and swapped out the 2 dual-core procs with 2 quad core procs. After installing Server 2008 Datacenter onto the system I noticed that it was not connected to the network. I open device manager and see no network adapters. I have to go up to View - Show hidden devices to even see the virtual WAN Miniport adapters. This problem happens in Vista and Windows 7 (all x64). What is even stranger is it all works in x86 mode. What in x64 could be causing windows to not even detect hardware that works in x86? Is the boot manager possibly the culprit?

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• Backing up Windows 2003 Server that has Certificate Authority

  - by Dina

  I want to export and migrate a Certificate Authority CA role from a Windows 2003 machine to a new copy of Windows 2008 R2 virtual machine. I was told that I cannot have 2 CA roles on the same network at the same time. Therefore, I must first export the certificates on the older machine, delete the CA role, then add the CA role on the new machine and import the certificates into it. As a safety precaution, I am tasked to find a backup solution in case this does not work and I need to revert back to the old Windows 2003 CA. My question is: What is the best software for doing this type of backup? I am currently trying out Symantec Backup Exec 2012. Which I hope will allow me to create a backup prior to removing CA role on Windows 2003. If this CA migration fails, the backup will allow me to revert the old machine to a time before I removed its CA role.

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• What hardware is at physical address 0x80000000 on powerpc New World Macintosh?

  - by tinkerer

  Open Firmware device tree gives no clue what device might decode at physical address 0x80000000 to 0x8008200 on a G4 New World Macintosh. The mmu has three adjacent Virtual=Real translations for that block. They are the only address translations reported between the top or physical dram at 20000000 and the start of the PCI bridges at f0000000. (A possible clue is that frame-buffer-addr is reported as 9c008000 by Open Firmware, and that is not in the reported translation table either). I believe the architecture has been around since about 1999.

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• Hp Procurve Switch : port filtered

  - by user117140

  My HP Procurve switch is blocking port 22 and I dont know how to unblock it.Please let me know From the server, see port 22 is blocked [root@server ~]#nmap -p22,80,443 10.247.172.70 Starting Nmap 4.11 ( http://www.insecure.org/nmap/ ) at 2012-04-16 14:12 IST mass_dns: warning: Unable to determine any DNS servers. Reverse DNS is disabled. Try using --system-dns or specify valid servers with --dns_servers Interesting ports on 10.247.172.70: PORT STATE SERVICE 22/tcp filtered ssh ------------------> see 80/tcp filtered http 443/tcp filtered https This is blocked on cisco switch but I dont have any clue how this is done. I know that vlan is configured on switch. vlan 54 ip ospf 10.247.172.65 area 0.0.0.10 vrrp vrid 54 owner virtual-ip-address 10.247.172.65 255.255.255.192 priority 255 enable exit exit Please let me know how to unblock ssh port 22 access on this switch?

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• Bandwidth monitor for apache websites

  - by bmaynard

  I am after a web application that will parse apache log files and record how much bandwidth the user has used. We have several virtual hosts that have custom log files and the I/O is recorded at the end of the logfile. However I can't find an application that will parse multiple log files and display a summary for each site. I believe awstats can do this but I want to be able to see all of my clients in one list. If there is something that integrates into cacti then that would be perfect.

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• How do I upgrade Django 1.3.1 to 1.4? Any tips, tutorials, or warnings?

  - by hobbes3

  Django 1.4 was recently released. Almost all the information about Django 1.4 is in the release note, but I didn't see anything about how to upgrade. Should I just remove the django folder inside Python's site-packges and download 1.4? I think I originally installed Django using emerge and yum but I'm not sure if the package management systems are up-to-date with Django 1.4 yet. That might be ok on my server instance (Gentoo Linux), but on my local instance I am using virtualenvwrapper (on Mac OS 10.7), so maybe I want to create a new Python virtual environment for Djago 1.4. Or maybe not since I don't really care about backward compatibility with 1.3.1.

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• Cant register this user

  - by holgero

  I wanted to ask this question on meta, but it said, I have to log in first (which is where I have the problem!) I answered a question with this user. But when I tried to register and click on the stack exchange icon, it only displays three dots (animated) and never comes back. I suspected a firefox problem so I tried firefox on windows: And yes, I was able to create an account linked with my other accounts ( http://unix.stackexchange.com/users/27867/holgero and http://stackoverflow.com/users/1779245/holgero ) when I ran the latest firefox version under windows 7 in a virtual box. Then I upgraded my linux firefox to the newest version and deleted the other account under windows again. But still I cannot register this account ( http://superuser.com/users/177338/holgero ). On unix.stackexchange or stackoverflow I never had any problems with the registration, superuser seems to be different. So, how do I register this user and have it linked with my other stackexchange accounts?

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• Is it possible to use a static IP assigned by my ISP for an offsite web server on a VPS (different ISP)?

  - by NightOwl888

  I have a web server on a Virtual Private Server with a hosting provider. Unfortunately, they are really stingy with IP addresses and I need to run several SSL certificates on my server, so I will need a few more than I have. I have a block of 5 static IP addresses on a business package through a different ISP and I am only using 1 of them for connectivity in the office. What I am wondering is if it is possible to use the 4 unused static IP addresses from this ISP on my VPS, which is hosted by another ISP? The VPS (web server) is running Windows Server 2008 R2 Web Edition. If this can be done, please let me know how to configure it.

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• setting up ssh on minix 3.2

  - by Mark

  I have install MINIX 3.20 on VMware player on LINUX. Now, I am trying to ssh into Minix from the same Linux machine, but I am encountering some problems. First I installed openssh on MINIx then I tried to ssh onto the Minix virtual machine with ssh [email protected] but I got the following output: [email protected]'s password: Permission denied, please try again. [email protected]'s password: Permission denied, please try again. [email protected]'s password: Permission denied (publickey,password,keyboard-interactive). I am sure the password I entered is correct, I have tried to ssh into MINIX on MINIX and it worked but not when I tried it from my linux machine. I have followed the steps for setting up ssh from this webpage, but it didn't work as shown above.

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• VirtualBox: VBoxManage modifyhd hosting on mac os x resize not supported

  - by dwstein

  I am a complete newbie. i'm hosting VM on OS X using virtualbox. I'm trying to resize the virtual hard drive by using the following command in the terminal. VBoxManage modifyhd "<absolute path including name and extension>" --resize 20480 I used a disk size of 25480 (i'm not really sure how to pick the correct size. and I got the following error: Progress state: VBOX_E_NOT_SUPPORTED VBoxManage: error: Resize hard disk operation for this format is not implemented yet! virtualbox version 4.1.18 I don't really even know what to ask. What am I doing wrong?

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• How to start a service at boot time in ubuntu 12.04, run as a different user?

  - by Alex

  I have a server ClueReleaseManager which I have installed on a Ubuntu 12.04 system from a separate user (named pypi), and I want to be able to start this server at startup. I already have tried to create a simple bash script with some commands (login as user pypi, use a virtual python environment, start the server), but this does not work properly. Either the terminal crashes or when I try to ask the status of the service it is started and I am logged in as user pypi ...? So, here the question: What are the steps to take to make sure the ClueReleaseManager service properly starts up on boot time, and which I can control (start/stop/..) during runtime, while the service is running from a user pypi? Additional information and constraints: I want to do this as simple as possible Without any other packages/programs to be installed I am not familiar with the Ubuntu 12.04 init structure All the information I found on the web is very sparse, confusing, incorrect or does not apply to my case of running a service as a different user from root.

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• How Can I prevent a specific application from being run on a specific machine using Group Policy?

  - by Mike

  I know this is possible to do and I am working on it with limited success. I believe the Group Policy I want is "Do Not Run Specified Windows Applications" - I can enable this and add the .exe I want to the list of programs not to be run. I have tried this on my local machine by running gpedit.msc going to User Config Admin Templates System and then choosing that policy and editing and enabling it. Doing it this way verifies that it works as I could then not run the specified .exe (XenAppWeb.exe) So this is great. I have created a GPO to do the same thing in GP Management on my domain controller where we centralize this, enforced it, applied it to an OU, and put one of our machines into this OU to test it. I have let it sit there for 3 days, run gpupdate /force, and when I try to run XenAppWeb.exe on this machine, it still lets me run it fine. What can I look at to troubleshoot this? I should note that I am trying to enact this policy on Windows XP machines (Virtual Machines) Thanks, Mike

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• Restoring files from blueprint on command

  - by Nick

  I am setting up a server. I already have rented a machine running centOS 6 but I have run into a bit of a technical problem with configuring the server software: The server will have some files that it will try to read/write to them but what I need is a way to have a blueprint of these files and everytime the server restarts the files that it used get deleted and replaced by the blueprints. I have heared of a RAM disks or Virtual File Systems but didnt quite understand how they work or how to set them up. The server software is written in java which means bash commands can be run from it. I cannot modify what happens when the server shuts down entirely what I can do is run a command before the server runs the final shutdown save

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• How do I make the Windows low memory warning less sensitive?

  - by Stephen

  I keep getting this annoying low memory warning/prompt to close games I play. It happens very often and I still have ~6 gigs of ram free. I disabled virtual memory because it was putting stuff on the pagefile when I had 10 gigs free ram so that spiked my disk usage. Is there any way to disable this warning? I have 16GB ram so it shouldn't be an issue. I would prefer to keep pagefiles off because my HD is very loud so it's nice to keep it spun down as much as possible. I don't want to disable it completely. Ideally, I would like it to go off when I have ~2GB left rather than 6, but if this isn't viable, I may just disable it completely.

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• VMware Infrastructure Web Access 2.0.0 stuck at "Loading"

  - by Gruber

  We have a Ubuntu 11 server running VMware virtual machines. We manage it using VMware Infrastructure Web Access 2.0.0. My colleague is able to use it successfully with Internet Explorer 9. However, I am stuck with an empty login page that says "Loading" in the title when trying to connect. It happens in all browsers (IE9, Firefox, Chrome, Opera). My colleague also gets stuck at "Loading" if he tries another browser. How can I resolve this problem?

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• Ubuntu Linux: Process swap memory and memory usage

  - by David Halter

  My Ubuntu eats more memory than the task manager is showing: sudo ps -e --format rss | awk 'BEGIN{c=0} {c+=$1} END{print c/1024}' 1043.84 free -m total used free shared buffers cached Mem: 3860 1878 1982 0 20 679 -/+ buffers/cache: 1178 2681 Swap: 2729 1035 1693 That's strange. Can someone explain this difference? But what is more important: I'd like to know how much memory a process is really using. I don't want to know the virtual memory size, but rather the resident memory plus swap of a process. I have also tried to output the format param "sz" of 'ps', but the sum of this is to high (5450 MB) (param 'size' gives 8323.45 MB). Are there any other options? I really want to use this, to determine which programs/processes are eating to much memory (and swap), to kill them, because hibernate might not be working if the swap partition is to little.

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• Prevalence of WMI enabled in real Windows Server networks

  - by TripleAntigen

  Hi I would like to get opinions from systems administrators, on how common it is that WMI functionality is actually enabled in corporate networks. I am writing an enterprise network application that could benefit from the features of WMI, but I noted after creating a virtual network based on Server 2008 R2, that WMI seems to be disabled by default. Do systems admins in practical corporate networks enable WMI? Or is it usually disabled for security purposes? What is it used for if it is enabled? Thanks for any advice! MORE INFO: I should have said, I really need to be able to query the workstations but I understand that by default the WMI ports on Win7 and XP firewalls (at least) are disallowed, so do you use some sort of group policy or other method to leave a hole open for WMI on the workstations? Or is just the servers that are of interest? Thanks for the responses!!

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• Postfix Vacation.pl with local users

  - by Simiyu

  Hi, I am trying to setup the vacation.pl script on a mail servers which has local users only (since they are only 10 users). I have installed the SquirrelMail plugin and the Auto respond option is available for the users, but when an email is sent to the addresses no auto reply email is sent to the sender. There are also no logs on the /var/log/vacation folder which i created as well as the normal log files. Most of the examples online refer to virtual users, can it work with local users? and if so how? regards, Arthur

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• ASP.NET MVC hosting recommendations

  - by chris

  I'm looking for recommendations for hosting an asp.net MVC application. Obviously, we need to be able to have access to configure IIS directly - I'd prefer not to have to go thru a control panel. The web server needs to have a dedicated IP, since some clients will be accessing it via IP. We need at least a SQLServer 2005 database, ideally on the same box. Load and usage will be pretty low, so a virtual machine will probably be fine. Does any one have any recommendations that meet the above constraints?

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• Hosting a web site at home: ISP Blocking port 80?

  - by tombull89

  Hello, I presume this is a better place to put this rather than server fault. I'm interested in setting up a small site to host at home as a "proof of concept" exercise, i.e. to prrove that I know how to do it. I've got a (virtual) server 2003 machine with a site on it, all configured with port forwarding through to 80 on my server. I have a Belkin F5D7634 which I have put my DYNDNS details in but when I try to go to my DYNDNS address it comes up with the page cannot be displayed. My ISP is Carphone Warehouse/AOL and I've been unable to find any information if they block port 80. If they do, can anybody reccomend a home provider that does not block port 80? Regards, Tom.

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• How to have a soft-real-time process in presense of heavily swapping IO-intensive background load?

  - by Vi

  schedtool: PID 32301: PRIO 4, POLICY R: SCHED_RR , NICE -20, AFFINITY 0xf ionice: realtime: prio 4 But the music is stumbling anyway. Background load is low prio (SCHED_IDLEPRIO, idle ionice), but uses a lot of memory (more than is physically available) and does a lot of IO and calculations. Latencytop shows about 1500ms for: Following symlink Writing buffer to disk (sync) Page fault Writing a page to disk both for the bg load and for unrelated processes. Load average is 10 and counting. Why cannot it allocate, for example, 200MHZ of one of the cores and 32M of memory and not less than once per second opportunity for IO for mplayer to make it happy while continuing calculations on the background? Or: why it cannot leave background task and swap loving each other but keeping the rest of the system as if there were no background load? How to have RT processes AND heavy bg load simultaneously (without of virtual machines)?

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