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• Can I find the session ID for a user logged on to another machine?

  - by Dan Tao

  I want to open an application on another computer on the same network via the command line. The scenario here is that the user is in a room surrounded by about 20 computers and wants to be able to launch the same app on every computer without walking from screen to screen opening it up on each individual machine. I've discovered that I can get the basic functionality for this using PsExec as follows: psexec \\[computer] -u [username] -p [password] -d -i [SessionID] [program] For computer, username, password, and program, I'm good. Does anyone know of a way I can figure out which SessionID is assigned to a particular user logged on to a particular machine on the network? Alternately, is there a better way to go about what I'm trying to accomplish?

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• How can I correlate a wall jack to a user/machine on the domain?

  - by harryfino

  After reading Valve's new employee handbook, I was really interested in setting up a company map like they described on page 6: "The fact that everyone is always moving around within the company makes people hard to find. That’s why we have http://user — check it out. We know where you are based on where your machine is plugged in, so use this site to see a map of where everyone is right now." What I'm trying to figure out is: how I can tell which machine or domain user (either will do) is connected to a particular wall jack?

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• if an outdated, vulnerable but clean Windows machine is connected to network behind router, can it be detected and attacked?

  - by EndangeringSpecies

  suppose the machine is clean of all malware but not in any sense updated, patched, secured etc. Suppose I connect it to the internet from behind wireless router with the intent of using it only on a few trusted sites and only there. Or, for the sake of argument, maybe I wouldn't do any browsing at all, just let it sit there connected to the network. This is all happening in a residential situation with cable internet. In this situation can a remote attacker somehow detect the fact that the machine is connected to the internet and try connecting to do an exploit?

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• Does HyperV allow binding physical NIC on virtual machine with promiscues mode?

  - by MadBoy

  I have HyperV on Windows 2008 Enterprise R2 installed with some Virtual Server running that I wanted to have ISA or NTOP to monitor traffic. I've added additional physical NIC to server and wanted to use this NIC as traffic monitor (I've enabled port mirroring on switch). I can see on physical machine that runs HyperV a lot of traffic coming to the NIC so port mirroring works fine. However in virtual machine even thou I've assigned that NIC to only this one and only server it sees 0 packets. In VWMare Workstation it worked without problem and I could see mirrored traffic on VM. Should this be possible or HyperV is crippled?

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• How can I simulate a slow machine in a VM?

  - by Nathan Long

  I'm testing an AJAX-heavy web-application. I develop on a new Mac, but I use VmWare Fusion (currently 3.1.2) to test in Windows XP, using IETester to simulate older versions of IE. This lets me see how older IE versions would render the site, but I'd also like to see how the site would perform on an older machine. I see in the VM's settings that I can decrease the RAM; is there a way to also dial down the processor speed? How else might I simulate a slow machine? (I am also going to check out how to simulate a slow internet connection.)

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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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• Can I find the session ID for a user logged on to another machine?

  - by Dan

  I want to open an application on another computer on the same network via the command line. The scenario here is that the user is in a room surrounded by about 20 computers and wants to be able to launch the same app on every computer without walking from screen to screen opening it up on each individual machine. I've discovered that I can get the basic functionality for this using PsExec as follows: psexec \\[computer] -u [username] -p [password] -d -i [SessionID] [program] For computer, username, password, and program, I'm good. Does anyone know of a way I can figure out which SessionID is assigned to a particular user logged on to a particular machine on the network? Alternately, is there a better way to go about what I'm trying to accomplish?

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• How to connect 2 virtual hosts running on the same machine?

  - by Gabrielle

  I have 2 virtual hosts running on my Windows XP laptop. One is Ubuntu running inside vmware player. The other is MS virtual PC (so I can test with IE6 ). The Ubuntu virtual host is running my web application with apache. I can point my browser on my laptop at the Ubuntu IP and view my web app. I read this post http://stackoverflow.com/questions/197792/how-to-connect-to-host-machine-from-within-virtual-pc-image and was able to get my Virtual PC to ping my physical machine using the loopback adapter. But I'm stuck on getting my Virtual PC to see my web application running in the Ubuntu vmware player host. I appreciate any suggestions.

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• deleted /opt directory from linux machine , is there any reboot problem for machone?

  - by mayur

  deleted /opt directory from linux machine , is there any reboot problem for machone?

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• How to issue machine certificates to Android devices trying to connect to L2TP VPN (L2TP/IPsec with Certificate)?

  - by John Hendrix

  I are trying to find a way to connect Android devices to our VPN box running Windows Sever 2008. We manage to configure a couple Android devices to connect via PPTP. However, I would like to be able to connect using L2TP/IPSec with certificates instead. I've managed to export and apply the Enterprise CA's certificate on the Android phone, but are totally lost on how to issue a machine certificate to the Android phone. Is it even possible? If so, what are steps I should take to issue the machine certificate and enable the Android phone to connect via L2TP/IPsec with certificates? Thank you for your help!

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• What are possible causes of keyboard lag on my desktop machine?

  - by Jer

  I am running Windows 7 and began experiencing keyboard lag in most applications, and it seems to be getting worse. Certain websites are the worst - on some, I can type a sentence, take my hands off the keyboard, and watch the characters continue to appear on the screen for several seconds. Others are not as bad, but still noticeable and annoying. I just started noticing it in non-browser applications (e.g. Outlook) as well. I've disabled all extensions in Firefox, rebooted my machine, and that did nothing. There is nothing using much memory or cpu cycles, even when the lag is occurring. This is a machine at work with very strict controls over what can be installed, so the chances of any kind of malware are very slim. I don't believe anything as been installed since before the problem started. What could be causing this, and/or what can I do to debug?

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• How to get the spec of a machine on Linux?

  - by machinePurchaser

  I am interested in getting the spec of a machine, because I am thinking getting a similar server. What I am mostly interested in knowing is the number of cores / CPUs / etc., the amount of memory, the speed of the CPUs, the CPU cache size, and any other detail which is important for performance. My question is two-fold: Which parameters should I be interested in other than the ones I specified above? Is there an easy way to read them off the machine in Linux? cat /proc/cpuinfo reveals a lot about the CPUs, for example... What about memory (would rather not rely on top), etc?

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• Access a windows dynamic hard drive through a virtual machine on ubuntu?

  - by Enigma

  I have a Windows 7 OS and am thinking about transitioning to a dual boot set up with Ubuntu 12.04. From what I recall, it is not possible to natively access Dynamic Windows Partitions in a Linux OS. My thought is that it might be possible to have a virtual machine (running windows) installed within Ubuntu access the physical dynamic drive. The problem comes to whether VMWare can access the physical disk "high enough" to be able to mount it within the windows virtual machine as a native device or if it gets passed through from the native Linux OS. This is really the only thing holding me back from switching to a dual-boot set up as the dynamic disk is made up of 4 or 5 hard drives and I would very much like access to the data on both OS's. Alternatively, is there another solution for combining multiple physical hard drives into one virtual hard drive that would be readable on both OS's?

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• Can I move my Picasa data from one machine to another?

  - by Stuart Hemming

  I have lots of photos stored on an external hard disk. I have Picasa installed on my Windows 7 laptop and have spent a lot of time cataloging the collection, put names to faces and the like. I now have a new machine and I want all the hard work I did on my laptop to be available when I plug my external HD in to the new machine. Is there a magic spell I need to cast to make this happen? Or is all the data I need stored with the photos?

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• Clone current host OS to a guest virtual machine.

  - by ProfKaos

  I would like to run a few repeated checks on a setup procedure I am documenting, to verify my document. I would like to somehow create a VM that replicates the environment on my machine, i.e. the host machine, onto a guest VM. Then I can use Windows' System Restore on the guest to start at the point before I commenced the setup procedure and repeat it as many times as required until no more trial-and-error etc. is required to supplement my document. I have Virtual PC and VirtualBox available to install as host environments, running on Windows 7 Professional.

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• Which is the cheapest machine where I can run linux and plug in some webcams? (and with network inte

  - by marc.riera

  I'm looking for a very cheap machine to run a linux distro for security(anti-thief) software. I would like to be able to connect to the network and a couple of webcams. May be ip-webcams or usb-webcams. The idea is having a machine with batteryes, laptop style, but there is no need to have a display/monitor attatched all the time. I'm planning to spend no more than 200$, in case it also gets stolen. Any advice on what to buy? (all modifications to this security plan are welcome) Thanks.

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• How to issue machine certificates to Android devices trying to connect to L2TP VPN (L2TP/IPsec with Certificate)?

  - by John Hendrix

  I are trying to find a way to connect Android devices to our VPN box running Windows Sever 2008. We manage to configure a couple Android devices to connect via PPTP. However, I would like to be able to connect using L2TP/IPSec with certificates instead. I've managed to export and apply the Enterprise CA's certificate on the Android phone, but are totally lost on how to issue a machine certificate to the Android phone. Is it even possible? If so, what are steps I should take to issue the machine certificate and enable the Android phone to connect via L2TP/IPsec with certificates? Thank you for your help!

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• Will UUID be the same if a disk moved from one machine to another?

  - by Sunry

  While in Linux every disk got a UUID. I just wondering will the UUID be the same if I moved the same disk from one Linux box to another? Is it the same UUID in different machines with the same disk? Or for a disk the UUID will change with attached machine? Also a similar question: Will the UUID be the same after Linux distribution reinstalled in the same machine with the same disk? For example: First is CentOS 5, then reinstalled it to CentOS 6.

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• Is it possible to create a new virtual machine on virtual pc silently (by command line) ?

  - by asksuperuser

  My question is not about installing virtual pc silently but about once virtual pc already installed, how to create new virtual machine silently.

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• Why won't Windows XP 64 install on my machine?

  - by user272671

  I have a hp xw8200 workstation and would like to install Windowx XP 64 bit on it. Problem I seem to be having is when I reboot the machine and try to boot from the CD, nothing happens. Seems that the CD Drive is not being located or does not execute my cd to start the install. I already checked to verify that I can install Windows XP 64bit on my machine and also ensured I have the right bios and drivers for the install, only that the boot just does not take place. Anyone have any idea how I can solve this problem ? http://www.hp.com/workstations/pws/xw8200/xw8200.pdf http://h20331.www2.hp.com/Hpsub/cache/286710-0-0-225-121.html http://h20331.www2.hp.com/Hpsub/cache/286707-0-0-225-121.html thanks in advance

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• Performance impact of running Linux in a virtual machine in Windows?

  - by vovick

  Hello, I'd like to know what performance impact I could expect running Linux in a virtual machine in Windows. The job I need Linux for is heavy and almost non-stop code compilation with GCC. Dual-boot doesn't look like a very attractive solution, so I'm counting on low VM overhead right now (10-20% would be fine for me, but 50% or more will be unacceptable). Did anyone try to measure the performance difference, are there any comparison tables? What virtual machine with the lowest overhead possible will you suggest? My host OS is Win7 and I've got a modern Core i7 with VT-x present. Thanks!

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• Is there a unique computer identifier that can be used reliably even in a virtual machine?

  - by SaUce

  I'm writing a small client program to be run on a terminal server. I'm looking for a way to make sure that it will only run on this server and in case it is removed from the server it will not function. I understand that there is no perfect way of securing it to make it impossible to ran on other platforms, but I want to make it hard enough to prevent 95% of people to try anything. The other 5% who can hack it is not my concern. I was looking at different Unique Identifiers like Processor ID, Windows Product ID, Computer GUID and other UIs. Because the terminal server is a virtual machine, I cannot locate anything that is completely unique to this machine. Any ideas on what I should look into to make this 95% secure. I do not have time or the need to make it as secure as possible because it will defeat the purpose of the application itself. I do not want to user MAC address. Even though it is unique to each machine it can be easily spoofed. As far as Microsoft Product ID, because our system team clones VM servers and we use corporate volume key, I found already two servers that I have access to that have same Product ID Number. I have no Idea how many others out there that have same Product ID By 95% and 5% I just simply wanted to illustrate how far i want to go with securing this software. I do not have precise statistics on how many people can do what. I believe I might need to change my approach and instead of trying to identify the machine, I will be better off by identifying the user and create group based permission for access to this software.

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• ?????????????!??Oracle Exadata??????

  - by Yusuke.Yamamoto

  ????? ??:2010/11/24 ??:?????? ?? Oracle Exadata????????????????????!??????????????? Oracle Exadata ????????!??1??????????????????????????Oracle Exadata Database Machine???????? Oracle Exadata Database Machine ???Oracle Exadata Database Machine ??????????????????????/ For DWH?For OLTPOracle Exadata Database Machine X2 ????/ ?????????????Oracle Exadata Database Machine ????????? ????????? ????????????????? http://www.oracle.com/technology/global/jp/ondemand/otn-seminar/pdf/ord_exadata_public.pdf

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• How to Run a batch file in a Remote machine Using ANT??

  - by ragz

  I want to run a batch file in a remote machine using ANT. The purpose of this is it solves many tasks once it's done. Some of them are we can resart a server(Jboss,weblogic,Tomcat,etc) we can run an ant script in a remote machine ...and so on. With all those commands present in the batch file of a remote machine, this could be executed easily. Is there a way to achieve to achieve this, please and kindly if any one do know provide a reply with example code I hope the answer to this question perhaps useful for many people Thanks in advance StackOverflow

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• What does the EC2 command line say when a machine won't start?

  - by OneSolitaryNoob

  When starting an instance on Amazon EC2, how would I detect a failure, for instance, if there's no machine available to fulfill my request? I'm using one of the less-common machine types and am concerned it won't start up, but am having trouble finding out what message to look for to detect this. I'm using the EC2 commandline tools to do this. I know I can look for 'running' when I do ec2-describe-instance to see if the machine is up, but don't know what to look for to see if the startup failed. Thanks!

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