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• Non-Windows, non-Unix-like OS's?

  - by dsimcha

  Since most operating systems I've heard of besides Windows seem to derive their heritage from Unix, I've been curious whether any OS's with the following characteristics exist: Not generally considered Unix-like, i.e. wasn't designed with Unix compatibility as a primary goal, doesn't use X11 as its default GUI in the most common distributions, doesn't support Unix commands by default, etc. Not in the Windows NT family. Is a modern production operating system, not a purely legacy operating system, a research/hobby project or an OS that's still in an alpha state. Is targeted at commodity x86/x64 PC hardware.

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• How to prevent Windows Home server waking for backup

  - by Andronicus

  Since changing the motherboard in my Windows home server it has been switching itself on every night to perform a scheduled backup. I don't want this to happen though, I want to switch the server on using Wake on lan, but I want to manually perform backups if/when required. I know I can disable backups of each computer, and the machine wont turn on, but I want to allow manually triggered backups, or automatic backups if the homeserver is on, but if its in sleep mode, I wish it to stay in that state unless I wake it. How can this be achieved?

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• 1tera flop cluster?

  - by Adobe

  I want to buy a $40000 1 tera flop cluster to keep it in a room. What are the standard configurations? Cluster is supposed to do molecular dynamics simulations on biological systems. I'm proposed a 4 pc with 8 cores each by the selling company I'm deadling with. It looks like I also need infiniband. Does some one has an experience -- what phisical memory should I buy etc? I know things change very quickly... Still there might be a point or two to state. Edit: OS is supposed to be linux, application is gromacs.

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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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• Is there an way to get the top level classes included in a puppet node?

  - by pwan

  Is there an easy way to return the top level classes applied to a node. By this I mean the classes included in a node definition or ENC equivalent For example with the sample node below, I'd like to return 'return::me' and 'return::me2' for somehost, but not 'dontreturn::me' class return::me { include dontreturn::me } node "somehost" { include return::me include return::me2 } I see that /var/lib/puppet/state/classes.txt includes the full list of classes applied to the node, but that includes any additional classes included by to the top level classes. Is there some way to get at this data with a puppet faces command ? I suspect 'puppet nodes' might be useful, but I haven't been able to get it return what I what.

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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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• How to factory reset an EPSON Stylus Photo 1290 printer?

  - by Harry Wood

  How do I do factory reset on an EPSON Stylus Photo 1290 printer? The printer is refusing to work. It seems to be in some error state. I've tried re-installing drivers etc, but the printer itself seems to run some diagnostic routine when I switch it on, but will not do anything else. It will not move the carousel ready for me to change the printer cartridge or any other Is there'e some sequence of button presses on the printer to do a factory reset? The printer has three buttons on the front, plus a yellow button when the hood is open (as shown in this photo)

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• How to install Windows 8 in a system which has Ubuntu 12.04 and Windows 7 installed already?

  - by Vignesh Palani

  I have a system in which I have installed Windows 7 first. I then installed Ubuntu 12.04 to the system. Now, the boot manager is GRUB Loader and everything works fine as Ubuntu detected that Windows 7 has been installed already. Now, I would like to install Windows 8 too. I plan to install using a bootable USB stick(doesn't matter which medium I prefer though. Does it? ). I have done some research and all the materials I can get state that I cannot practically install Windows 8 after Ubuntu and get all the three OSs to run. Can you help? I want all the three Operating systems to work perfectly.

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• Hyper-V Guests suddenly stopped working

  - by Anton Gogolev

  Hi! Here's my configuration: Windows Server 2008 R2 Standard as a host OS, and two guests VMs running the same exact OS. Yesterday, Trial Activation on all OSes has expired and quite naturally all machines shut down. I rearmed the host, but cannot log on to either guest VMs. From what I see, they start up normally (State is listed as Running) but CPU Usage seems to be stuck at 3% and when I connect to it all I see is black textmode screen with cursor blinking. One of my VMs has several snapshots, and when I revert back, it starts up normally. Moreover, "reference VM" (the one I cloned these two VMs from) starts up just normally. How can I troubleshoot this issue?

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• OpenVPN Permission Denied Error

  - by LordCover

  I am setting OpenVPN up, and I'm in the state of adding users. Details: Host System: Windows Server 2003 32-bit. Guest System: Ubuntu Linux (with OpenVPN installed already), actually I downloaded it from OpenVPN.Net. Virtualization: VMWare v7.0 Problem: I can access the Access Server web portal (on the port 5480), but when I login to http://host_ip:943/admin and enter my (correct) login info, it shows me a page saying that "You don't have enough permissions". I am the (root) user!!!! that is really weird!!! Note: if I enter wrong login it will denote an incorrect login, this means that I am logging in successfully but the problem comes after the login process. What I tried: I tried to create another user after (root) logging in to Linux Bash using (useradd) command, but the same resulted.

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• What is the command to use to put your computer to sleep (not hibernate)?

  - by airrick

  I want to put my windows pc (win7) into a sleep state via command line (so i can bind to macro button on keyboard). The power button on the PC is setup to but the computer to sleep (but it's down on the floor and I'm too lazy to reach down) it exactly how I want it (sleeps using hybrid mode in case I loose power) The sleep command on the shutdown menu also works. most info I found says to use; %windir%\system32\rundll32.exe PowrProf.dll, SetSuspendState 0,1,0 But this puts the computer in hibernate mode. I do have hibernate disabled but using hybrid sleep. So, What is the command to use to put your computer to sleep (not hibernate)?

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• New Session Failed

  - by PhilPursglove

  We've started to see instances on our Intranet server where for any page the server just responds with the error page 'HTTP/1.1 New Session Failed'. It seems we can fix it by running IISRESET but this feels like we're only treating the symptom. The server is a virtualised server running IIS6 on Windows Server 2003 with 0.5Gb of RAM. Our Intranet is written in ASP, but we also have ASP.NET 2.0 applications running on the web site. The site is set up for Anonymous and Integrated Authentication. What causes IIS to get into this error state? Could the server be saturated with requests i.e. we need to scale out and move some applications onto another server? I've seen KB210842 but I'm not sure it applies as that is applicable to IIS 4

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• Hard Drive Fundamentals And Verifying Disk Performance

  - by Agnel Kurian

  Over the past few months, my Windows XP machine has slowed down to a crawl. It takes about 10-15 minutes to go from power-up to reaching a responsive state. I have reasons to believe that this is a result of the hard disk slowing down. Questions: Do hard disks slow down as a result of mechanical wear and tear ...or age? How do I check if my disk has slowed down? Conversely, how can I verify that my disk is indeed running at the speed it's designed to run at? Could drivers be at fault here? Do hard disks come with drivers or does Windows use a generic driver?

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• OSX Lion - Stuck in Drag mode and mouse click events are not going through. Can I manually generate a mouseup event?

  - by Yuji Tomita

  My mouse is stuck in "drag" mode. This generally happens in Photoshop, but happens dragging files and such as well. Clicking rapidly here and there generally solves the problem. Sometimes though, it won't go away until a restart. Unplugging devices, etc., doesn't do anything. For example, right now, my mouse moves but can not click anything so I am using the keyboard to navigate this site. Is there a way to "reset" however the OS stores mouse states? Can I manually fire off a MouseUp event? It's strange that even when human input devices are unplugged, the files are still in drag state.

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• How can I load one image over network to multiple computers on boot?

  - by user754730

  A few years ago I saw this in a company but I don't know how it was built. There was 1 Computer (I don't know if Windows Server or plain Windows 7 - the server) and 3 other computers (Windows 7 - the clients). As soon as the Windows 7 clients were started, they all started up the same image (Don't know if the same image file or just the same state) over network and were able to work on the computer. As soon as the machine was shutdown, all the changes made to the system were erased. How could I build a system like this so I have 1 image file which I keep up to date and then feed it to the other machines in my network? It would look this this basically:

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• Unable to deactivate windows xp by modifying the license in the registry

  - by ConorWalsh

  I need to deactivate windows xp so I can set it up with a new license. Every tutorial I've visited follow the same steps. (Example http://www.ehow.com/how_6665848_deactivate-windows-xp-pro.html) The tutorials state that the 00BE timer file located in the registry needs to be modified. It is found by going to the registry and navigating through "HKEY_LOCAL_MACHINE," "Software," "Microsoft," "WindowsNT," "CurrentVersion" and "WPAEvents." After the file is modified Windows should be deactivated. However it never does. The value changes but when I run the command to add a new license key it states "windows is already activated". I've done this before on other machines at it worked fine. I can't find any other methods to change the license in XP. Has anyone ever had this issue or knows of another way of deactivating windows?

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• Monitor ESXi hosts with Nagios

  - by Kyle Brandt

  Does anyone recommend any methods for monitoring ESXi 4.1 hosts with Nagios? I have looked into SNMP but it seems to be in a pretty sorry state. Net-SNMP does not seem to be included and there is a built it SNMP daemon that I set up. However from the standard MIBs there only seems to really be network interface counters and the VMWare MIBs seem quite useless. Right now I am considering SNMP for the interface speed and trying the plugins listed at http://unimpressed.org/post/96949609/monitoring-esxi-performance-through-nagios . Anyone have a better idea? I would like to monitor the hosts directly, not through something like vCenter.

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• Ubuntu doesn't start and I can't login [migrated]

  - by Meph00

  My ubuntu 13.04 doesn't boot anymore. Eternal black screen. If I press ALT+CTRL+F1 I see that it's stucked on "Checking battery state [OK]." I'd like to try to go with sudo apt-get install gdm but I can't login on terminal tty2, tty3 etc. They correctly ask for my nickname, then they make me wait a lot, ask for password and make me wait again. After a lot of time (... a lot) the best I could achieve was visualizing "Documentantion https://help.ubuntu.com". I can never reach the point where I can give commands. Plus, during the long pauses, every 2 minutes it gives a messagge like this: INFO: task XXX blocked for more than 120 seconds. Any suggestion? Sorry for my bad english and thanks everyone for the attention.

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• clean reinstall of windows on dell xps 1530 using bundled software from dell?

  - by kacalapy

  i wanted to delete my laptop hard drive and reinstall the os that came on the media with the laptop originally. i booted from the windows disk and reinstalled windows but this did not delete my hard drive and even worse it made a windows.old folder with all my old junk on my c drive how do i get a clean/ deleted c drive with new install of my os? i have a small 120 Gig solid state hard drive with just one partition. i would like to create two partitions on the new install. my main issue is not being able to get a clean install such that the result is a pure windows laptop with no junk files that have accumulated over time. please advise.

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• Is there DBus command to set position of KDE panel?

  - by Liss

  I have single vertical KDE panel. When I switch from single monitor X screen back to triple monitor X screen (with xrandr) my KDE panel ends up on the right edge of middle monitor, instead of right edge of right monitor. Also, many windows are in wrong place after the switch, but I have a script which restores geometry of all windows (as is used to be in triple monitor state before I switched to single monitor mode), so this is not a problem. Unfortunately, it does not work for KDE panel - it stays in the wrong place. I guess I need to use DBus to restore KDE panel position (programmatically move it to right edge of right screen), I tried googling, but it seems it is not very well documented. Is there DBus command to set position of KDE panel?

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• clean reinstall of windows on dell xps 1530 using bundled software from dell?

  - by kacalapy

  i wanted to delete my laptop hard drive and reinstall the os that came on the media with the laptop originally. i booted from the windows disk and reinstalled windows but this did not delete my hard drive and even worse it made a windows.old folder with all my old junk on my c drive how do i get a clean/ deleted c drive with new install of my os? i have a small 120 Gig solid state hard drive with just one partition. i would like to create two partitions on the new install. my main issue is not being able to get a clean install such that the result is a pure windows laptop with no junk files that have accumulated over time. please advise.

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• Can my ISP find out if my wireless is protected or not?

  - by Zakukashi

  Im just wondering how much my ISP knows about my activities. I have a Modem from them this modem then connects to a SITCOM wireless router which then leads to MY PC's, Phones, Laptops. I really need to know if my ISP knows if my router is in unprotected state of wireless or not. The Sitcom box it not theirs, we payed for it long after getting this internet. Does my Sitcom wireless router send data to my ISP on its own, indicating delicate information such as wireless protection on or off? Or does the ISP's modem fish out this information on its own since our wireless router is connected to it? Would greatly appreciate any answer.

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• Looking for WYSIWYG tool to create and edit HTML5 based presentations (slides)

  - by peterp

  There are a lot of different implementations for HTML5 based slide presentations out there, like Google Slides or S5. But all that I have seen so far, seem to need a person being able to (and willing to) read and write HTML-Code. My company still uses Powerpoint, but some people are quite unhappy about its limitedness, e.g. the lack of possibilites to embed animation (other than just appear/disappear) without using flash. I'd love to suggest a state-of-the-art solution based on HTML5, but I don't even need to think about suggesting a solution where the project people need a techie to add or edit the content of a slide. I am not looking for an editor for non-technies to create complex HTML5/javascript based animations, of course, those should be done by a developer... basically non-technies should be capable of doing the stuff they are doing in powerpoint now. Thanks in advance for your suggestions, Peter

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• Does anyone know why rsync would keep sending the files over and over again?

  - by beagleguy

  I'm trying to using rsync to backup some files, about half a TB. It's now it a state where it keeps sending the same files everytime it runs. for example: rsync -av /data/source/* user@host:/data/dest sending incremental file list source/file1.txt source/file2.txt I then verify those files are copied over... then the next time it runs it does the same thing rsync -av /data/source/* user@host:/data/dest sending incremental file list source/file1.txt source/file2.txt any idea why it's getting stuck on these files? I've tried to wipe the whole dest directory out and start over but no luck. thanks,

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• Unresponsive virtual OS

  - by confusedGeek

  Hopefully someone has a suggestion on how to resolve this. Configuration Host: Win 2003R2 w/Virtual Server 2005R2 Virtual1: Win 2003R2 w/Sql Server 2005 Virtual2: Win 2003R2 w/WSS 3.0 Situation This past weekend the power went out and took down the servers (no UPS, it's a desktop standing in as dev testing server). Since the servers went down the Virtual2 server after running WSS fairly heavily for an hour to two will become unresponsive via HTTP. If I login via virtual server's remote control I don't get anything beyond a background screen. The CPU counter on the virtual server's master status shows that it isn't doing anything. The only thing I have been able to do is to turn off Virtual2, which loses any state changes. Shutdown commands issue from the virtual server master status are ignored. After restarting Virtual2 the event logs and application logs don't indicate what caused the problem. Anyone have an idea as to how to repair the OS, or maybe what could be the problem? Thanks ahead of time.

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