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• Computer won't start up. Stuck on Lenovo splash screen. Help Diagnose

  - by Ace Legend

  I have some (I'm not sure exactly what model) Lenovo 21" IdeaCentre. Honestly, the computer works off and on. I have had problems with it not being able to shutdown, which I fixed. The fan seems to be constantly running, a few other problems as well. Anyway, nobody was using it when all of a sudden it switched to a blue screen. I was in the kitchen, but when I got over to the computer I read the message. It said something about bad drivers, but that is all I saw and then it restarted. However, when it got to the Lenovo Splash screen, nothing happened. I waited there for over 10 minutes, but still nothing. I tried to turn of the computer, but the only way to do it was to pull out the power cable. I then removed all USB devices and tried again. Still nothing. It also won't respond to keyboard input when I try to use enter to interrupt normal startup. My guess is some piece of hardware is damaged inside the machine. However, I have no idea what piece it is. Does anybody have any idea what could be wrong with it? Thanks.

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• VM using a secondary graphic card

  - by Arthur

  Hi everyone, at the moment i have a dual monitor setup on my main PCIe gfx card. I know that on windows it is almost impossible to have a second card (eg no thrills PCI card) running without having an SLI motherboard because of a driver issue. Well this was my conclusion after many weeks of research. I was thinking...is it possible to use a VM in order to utilize the secondary card as the default video output to feed another monitor? let me know if you want me to clarify Thanks :)

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• What are the different ways of remotely connecting to your computer?

  - by Rogue

  I'll be leaving for uni soon and would like to know the different methods of connecting remotely to my home pc. I know about VPN but are there any other ways? Also how secure is each of this method as I wouldn't want snoopers on my home-pc especially when I'm away. Also can i set up a remote connection to start and shut down my computer My operating system is windows, but if linux is more secure i would be willing to switch.

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• Using Hamachi VPN to connect to Linux VM at home

  - by Cameron Verotti

  I have a CentOS 5.10 Linux box at home running on VMWare, with Windows 2008 as the host. I have set up a Hamachi VPN so that I can connect to the Host server from work, I attempted to add a second VNIC to the VM and bridged it to the hamachi Network Interface. I spun up the VM and checked eth1 with ifconfig and its throwing me a ipv6 address not a ipv4. I want to hook this VM up so that I can run a ssh command from work to the VM. MY network at home is all on Local 198.168.. hence the need to make a VPN network like Hamachi. I cannot seem to find anything that tells me or helps me with tunneling my Linux VM via Hamachi. Any help would be fantastic!

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• Mysql refusing connection: a very special connection issue

  - by k to the z

  I have my programers remoting into a web server with windows rdp. This web server is the only machine that can access another mysql server in a secure zone. When I remote into the web server from my machine I am able to connect to the mysql server through the mysql workbench on the web server. However, when I try this same procedure from another person's computer I can get into the server via rdp. I just can't connect to mysql using the workbench. I have checked and re checked the credentials and connection information. They match. I've had other people check and re check the credentials. As far as mysql permissions are concerned this user is allowed to connect from any machine. Plus I'm remoting into the same web server. The only difference seems to be which computer is remoting into the webserver. wtf?

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• How to tell Linux to explicitly swap out main memory of a suspended process?

  - by Vi

  I run a memory-hungry process (mkcromfs) which consumes more memory than I have physical memory on my latop, so it is paging and swappin and thrashing all the time and loadavg is about 2 (compcache is already in use with usual swap partition as well), but slowly moving forward (Although I afraid it will finally try to allocate 2GB and crash draining 2 days of thrashing). When I want to use the laptop for something else, I stop the process, start X server, firefox and other programs. The problem is that when I start Firefox the loadavg jumps to 10 and the system becomes almost unresponsive at all (long time to turn on/off caps lock, slow mouse cursor position updates, slow switching from X server to Linux console, slow login). The stopped mkcromfs still holds a lot of memory (464.8 MiB and slowly falling) and moves it to swap only when more memory is needed for some other program, which results in a great slowdown. How to tell the Linux to swap out this process entirely (e.g. I'm not intending to resume it in short term), possibly waking from swap other data? Also it will be useful to be able to specify the exact swap device to swap the given process out.

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• How to install Gitlab in a VM on a production server?

  - by Michaël Perrin

  I have a production server running Ubuntu 12.04 and I would like to install on it a VM with Gitlab (using Vagrant and Virtualbox). Let's say that the address to access Gitlab is gitlab.mydomain.com . The DNS zone has been configured to point to the IP address of the server. I want users to be able to access to Gitlab (either for pushing to a repository, or for accessing to the web interface) from the outside. The VM has been configured to have an IP address. It means that when browsing http://gitlab.mydomain.com for instance, the request has to be forwarded to the VM on the server, ie. to the VM IP address. What are the ways to configure this? Can Apache be used as a proxy? In this case, I guess it only works for HTTP requests, but not for pushing to a Git repository on the VM.

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• What at the Best Practices and tools for managing Windows Desktops from a linux sever ?

  - by JJ

  I know this is a loaded question! What are the best ways to manage Windows (2000, XP, Vista, Win7) workstation from a centralized linux server. I would like to replace the fuctionaility of MS SBS Server with a linux box. The following issues would need to be addressed. File Sharing Authentication, Authorization, and Access Control Software Installation Centralized Login Script Centralized Backup

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• PC will POST whenever feels likes it

  - by kyrpas

  I'm really sick of my PC and I'd love to throw it off the 5th floor but unfortunately I don't have this luxury right now. The issues started when I moved to a new house about 2 months ago. I didn't have this problem before. Case: Arctic Cooling Silentium T1 with embedded Fusion 550 Eco 80 PSU. M/B: ASRock A790GMH/128M Gfx: ATI Radeon HD 5770 Here's what's happening almost on a daily basis: I wake up in the morning, switch on the PC and all the fans start spinning. 9/10 the graphics fan stays on 100% and I know it won't post. If I'm lucky, ATI's fan stays on full power for a second, then goes back to normal and I get a normal post but that doesn't happen often. No, instead it's just drives me crazy. When I get no POST I'm trying a lot of different things and what bothers me the most is that they all work. But not always. No... That way I could find out what the hell is going on and we don't want that.. right? So, sometimes it manages to POST if I: remove the keyboard remove the power cable for a few minutes remove the graphics card remove the HDD cables do nothing, just turn it on and off a few times Sometimes it doesn't POST even if I do all of the above. And I end up removing all power cables from the M/B, and connecting all the stuff one by one. Sometimes it works, sometimes it doesn't and I just have to pray and wait. What the hell is that? I'm getting pissed of again just thinking about it. The only solution is to leave it on 24/7 but I don't want to do that. It should be able to turn on and off when I press the power button. I'm not asking much. I'm starting to think there's some weird electricity/power issue but I really don't understand what it is. There's no logical explanation about it. At least I can't find one. Any ideas?

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• Vmware Fusion 5 Port Forwarding

  - by Snap Shot

  I have a service (a node.js express app) running on port 3000 in a CentOS 6.3 guest that I would like to access in a web browser on my Mac Mountain Lion host using VMware Fusion 5 Professional. I am having trouble finding any information about how to do this. I believe I would like to forward the port but I cannot find any information about this using either the GUI or by modifying configuration files. In earlier versions it looks like you might have modified a file called nat.conf but that does not seem to apply to Fusion 5. Has anyone successfully done this? Thank you.

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• How can I make VNC faster?

  - by NickAldwin

  I need to remotely access and use my work computer a few times a week. I want to use VNC because of the price. I've used VNC before, mostly on my own network, where it's fast. However, VNC over the internet is incredibly slow. Even at 256 colors and lower, with Aero turned off, it is unbearably slow. I recently used Ammyy Admin to connect to do something requiring a quick reaction time. Ammyy was really fast, with almost no lag, and it was running in full color with Aero on! How can I make VNC faster, like Ammyy is? I'd use Ammyy, but I would probably run into the 15hr/month limit pretty quickly. Any suggestions? [EDIT] I'm currently using UltraVNC.

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• How can I know if a VM is used or not?

  - by Saariko

  I am running eSXI 4.1. In my main datastore I have plenty of folders, some of them has logical names, while the others don't, they hold BASE configurations/images of clients that I duplicate and activate. I only have a fraction of the actual clients loaded and running on the server. How can I know, but looking in the datastore folder, if the VM is in the inventory or not? If I right click on the vmx file, I can add it to the inventory - EVEN if the same client/folder is already active.

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• Accessing VMware Player across the network

  - by Tiffany Walker

  My network: 192.168.2.2 (computer) 255.255.255.0 (mask) 192.168.2.254 (gateway) The VMplayer is: 192.168.233.129 (ip) 255.255.255.0 (mask) 192.168.233.255(bcast) It's obvious the player can't be access from other systems because of the wrong network settings. However, I am not sure as to how to change that. Obviously I have to edit the ifcg-eth0 but I know I also need to edit it on the host system to make it accessably. Is this done from inside VMware Player? Or do I need to edit the network devices? The host box is Windows. Inside VMware is Linux.

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• Can multiple windows users connect to a Mac Mini OS X Server and run applications in parallel?

  - by ilight

  I want to validate the current situation :- I have multiple users who have to use designing applications like Adobe Photoshop, Illustrator etc and maybe some Mac specific applications like iWork and they need to be working on the applications in parallel. Can I setup a Mac Mini OS X Server and create separate user accounts and give to these users so that they can remote login to the OS X Server simultaneously from their Windows machines and use any application they want? In crux, can they share the server resources and applications from their windows machines?

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• how do I 'hard refresh' a shared directory?

  - by jcollum

  VMWare player 4.0.1 build-528992 I added a file to a shared directory in Windows 7. When I ls -l that directory in Ubuntu 11 it looks like: (2nd line) ls: cannot access item_spec.rb: No such file or directory -rwxrwxrwx 1 root root 300 2012-01-11 12:05 user_spec.rb -????????? ? ? ? ? ? item_spec.rb How can I get the folder to "refresh"? I need to use this file in Ubuntu. I think it will be present if I restart the VM, but that seems excessive. This looks like a bug. I asked this question on the VMWare forums and haven't gotten a response. Output of ls -l for parent: drwxrwxrwx 1 root root 8192 2012-01-13 13:26 the_project

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• When RDP as a Domain User, Smart Card Requested

  - by Paul

  My W8 machine is connected to domain zen. If I rdp to the W8 machine, I can log in as a local user without problems. If I try to log in as a domain user, I am prompted for a smart card instead of a password. Any ideas why? Note that Interactive login: require smart card is disabled in group policy: And here is the output from rsop.msc: Some additional information on this one. If my connecting machine is on the same domain/network as the W8 machine, then I am prompted for a password as usual. If the machine is remote, on a different domain, then I am prompted for a smart card. In addition, the machine I am connecting from that gets the smartcard prompt is an XP box. I haven't isolated exactly which of these factors triggers the different response.

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• Can't Remote into Windows Server

  - by Brian

  Hello, I have a Dell server wired into the router. I was able to connect to it with my laptop (laptop is wireless) before my router died. My verizon router went kaput, and I got everything else back up and running on the wireless network other than the remoting in feature, even though I can access the server through windows explorer just fine. Any ideas why? What do I need to check? UPDATE: Interesting scenario, Network Discovery is off; I turn it on and save, but for some reason, even after that, network discovery is turning itself off... no idea why that is happening? Thanks.

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• Is it possible to export an OpenVZ machine and use it after OpenVZ?

  - by Somebody still uses you MS-DOS

  I'm planning to use OpenVZ in an old machine I have at home. I want to know if a dumped OpenVZ instance image can be exported to other formats (like VirtualBox or Vmware). Thanks!

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• How much resources are used during a RDP connection?

  - by KronoS

  Having recently installed a RDP app on my mobile device and got me wondering: this small device which has a limited amount of resources compared to the PC I'm connecting to, is still able to operate my remote machine to almost full capacity. With that, how much of the local machines resources are actually used in the connection to the remote machine? Also how much of the resources are used on the remote machine?

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• Any consumer routers with Outgoing VPN support?

  - by Brian Lacy

  When I'm working at home, I need to be able to connect to three different outgoing VPNs, two of which happen to use the same internal IP addressing schemes (192.168.0.*). I also need a static address for my VirtualBox VM so I can connect to my testing web server. Are there any routers which will allow me to connect to multiple outgoing VPNs and assign different internal IP addresses through NAT? Is such a thing even possible, or are there alternate solutions available? Thanks!

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• How can I make VNC faster?

  - by NickAldwin

  I need to remotely access and use my work computer a few times a week. I want to use VNC because of the price. I've used VNC before, mostly on my own network, where it's fast. However, VNC over the internet is incredibly slow. Even at 256 colors and lower, with Aero turned off, it is unbearably slow. I recently used Ammyy Admin to connect to do something requiring a quick reaction time. Ammyy was really fast, with almost no lag, and it was running in full color with Aero on! How can I make VNC faster, like Ammyy is? I'd use Ammyy, but I would probably run into the 15hr/month limit pretty quickly. Any suggestions? [EDIT] I'm currently using UltraVNC.

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• Recommendations for a cloud/hosted server environment that can run different Windows VMs?

  - by Rory

  I currently have a colocated Win 2008 server that I use for hosting different windows VMs for testing: Win 2008, Win XP, Vista, Win7, Win 2000. I'd like to ditch the server and use something like Amazone AWS but the key thing is I need to be able to launch VMs for these different windows versions. AWS doesn't allow this currently. Can anyone recommend somewhere that I could use? The main reasons I want to get away from my own server are: administration: backup, windows updates, etc space: disk limitations mean I can't have all the VMs I want. I'd like to be able to pay for space incrementally. I'll typically only run 1-3 at a time but want lots of snapshots of different machines.

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• Will SSD degrade when running VMWare Workstation from SSD?

  - by Andrey Botalov

  My main OS (Windows 7 or 8) is runned from SSD. I'd want to run Mac OS X 10.7 or 10.8 using VMWare workstation. I've heard that VMWare doesn't support TRIM and other things to optimize SSD usage. So SSD will quickly degrade if VM will be runned from SSD. Will it be better to put guest OS's files (.vmdk and the rest) to external HDD (connected through USB 2 or 3) instead of SSD? What advantages and disadvantages it will give? What if VM will be put to internal HDD? At what drive type performance of VM will be better?

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• What is Paging in memory management?

  - by Fasih Khatib

  I was just reading Operating System Principles by Silberschatz et al when I came across paging in memory management.I'm slightly confused about it. It states that Physical Memory(I assume it's RAM) is divided into frames, and logical memory is divided into pages. CPU generates logical addresses containing page number and an offset. This page number is used to retrieve the frame number from a page table which gives the base address so the physical address is calculated as base+offset. My question is: is the page table maintained for every process? I logically think that the answer would be yes as every process will need to map its own pages to frames. I may be wrong. Please clarify. Also: paging and segmentation(where 'holes' are created in memory) are two totally different techniques that are not used in combination. Correct?

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• What is the best way to setup a heartbeat agent for failover between two VMs?

  - by EGr

  I have two VMs in VirtualBox that use NAT for their network adapters. They are both getting the same IP address, so I will need to reconfigure that; but knowing that, is it possible to set up a heartbeat agent to failover an apache server if one of the two VMs go down? The way I pictured it would be that the webserver would be able to be accessed externally via :80. No matter what VM was running, I would be able to access the website at that IP/port since failover would be setup. I'm running into trouble setting up IPs when the network adapters are set to NAT, and people have told me that I shouldn't be setting the IPs in this configuration. So what should I do to achieve what I'm looking for? Is it even feasible?

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