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  • How to test KVM guest CPU maximum allocation limit?

    - by Ace
    Running Ubuntu 13.04 Host and vm Guest. Using virtio for hdd, nic. Max-allocaion CPU cores is 6, minimum is 2. Ive made a vm with virt-manager just to play with, and to test out kvm. Alright, I have a decent understand how the memory balloon driver works, but I still dont know how to test if the guest OS can utilize the max setting for cpu cores. From what i gather, the host will start one thread of qemu for each core allocated per vm. When i run htop inside the guest, it only shows two cores. (also here is the output of cat /proc/cpuinfo: https://gist.github.com/anonymous/93a361545130923537da ) How can I "force" the guest to allocate the other 4 cores so that it can show 6 cores in htop? Is there a way to do this?

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  • Keeping Xv Overlay configuration throughout an X session.

    - by kriss
    After upgrading my Linux system from Ubuntu 9.04 to Ubuntu 10.10, I suceeded correcting most problems (all related to Intel 82865G Integrated Graphics Adapter support and compiz is still not working but that's another matter) but for one I only have a partial solution. Whenever I play a video the colors are much too saturated. This is really a problem for tones of skins that appears reddish (everyone seems to be coming back from a ski vacation with deep sun burns). As this effect only occurs with videos, not with pictures, I finally figured out it was related to Video Overlays configuration and I can correct it typing: xvattr -a XV_SATURATION -v 120 This change the default saturation value, which is 500 and much too high in my case, at eye sight the correct value seems to be between 100 and 150. Now my problem is that I have to type the above command each time I run a video. If I type it before running the video it has no effect, if I close the video and open a new one, I have to type it again, etc. I tried to put it in Xsession and (logically) it has no effect either. How could I do to get the correct setting whenever I run a video without typing the above command every time ?

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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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  • Run python script on server over ssh session in the background persistantly

    - by Stefan R. Falk
    I got an account from my professor for our universities CUDA server for running some tests. I am connecting via ssh over terminal. The thing is, as I close the terminal the server also seems to kill the running script. As I reconnect it has stopped. No it is not possible that the script already terminated since those test runs should take a few hours even on those machine.. Can anybody help me here? OS: Linux cuda01 3.13-1-amd64 #1 SMP Debian 3.13.7-1 (2014-03-25) x86_64 GNU/Linux

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  • Console session stuck ESXi unsuported mode

    - by Datapimp23
    Hi guys, I was editing the /etc/inetd.conf file in VI to enable SSH and when I believed to have saved it. I entered cat and pressed enter accidently. Now I seem to be stuck in a black screen where I can enter characters but can't exit from it. How would I go on my way to get back to the normal console without rebooting the ESXi. Thanks

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  • OS X Terminal ends session at opening : permission denied

    - by Jon
    I have an issue with Terminal on MacOS X 10.7.4. I know where it comes from, but I don't know how to solve it : Yesterday, I installed fish-shell as a shell replacement. Following the installation instructions, I ended typing the following command : chsh -s /usr/local/bin/fish I noticed I had to do a : sudo bash for it to work. Once done, I quit. Today, I try to run Terminal and I see te following message : Last login: Wed Jun 27 12:38:01 on ttys000 login: /usr/local/bin/fish: Permission denied [Opération terminée] (yes, I'm French, which explains my poor English). I cannot type any command since I have no access to the Terminal. I tried with iTerm2 but same issue. No command is set at launch in the default profile of Terminal/iTerm2 (well, in the UI). How can I take the power back ? Thank you.

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  • Problem with Strange VMWare behaviour when shutting down guest.

    - by adza77
    Hi, I've been having a problem for a while now with VMWare Workstaion. (Originally with 6.5, but now with 7.0 and 7.0.1 too). The problem occurs when I choose to shut down a guest. VMWare itself seems to hang. If I choose to shut down a guest that's opened full screen, and during the process I minimise the screen to work on other applications in the host, often (not all the time) when I return to the guest I have a 'greyed out' screen and the system becomes unresponsive. The host O/S still seems to be working, but I am unable to switch to other applications. (I can bring up the taskbar on the host and 'see' other applications and even switch to them, but VMWare still stays 'on top' being unresponsive). I can not terminate VMWare even when windows says that the application has become unresponsive and gives me the option to terminate. VMWare stays on top, and I'm forced to either shutdown, or log off and log back on in order to regain control of my computer. This happens with both Windows 7 and Windows Vista guest operating systems (32 bit), and I have had it happen on multiple host machines, and multiple guest machines too. Current Host: Windows 7 64 bit, 8GB Ram, 500GB HDD, i7 Processor. I have been searching for more than 6 months for a solution but have found none, so finally decided to post here. Does anyone know what might be causing the problem (+or even how to minimize the VM so I can at least access any other applications and save work before forcing a logoff / reboot+) would be extrememly handly. If I know the correct keystrokes to save and close in an application on the host I can do this by task-switching to the desired app to save and close successfully, but I can't see what I'm doing because VMWare Workstation is still on-top 'greyed' out. Cheers Adam.

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  • Problem with Strange VMWare behaviour when shutting down guest.

    - by adza77
    Hi, I've been having a problem for a while now with VMWare Workstaion. (Originally with 6.5, but now with 7.0 and 7.0.1 too). The problem occurs when I choose to shut down a guest. VMWare itself seems to hang. If I choose to shut down a guest that's opened full screen, and during the process I minimise the screen to work on other applications in the host, often (not all the time) when I return to the guest I have a 'greyed out' screen and the system becomes unresponsive. The host O/S still seems to be working, but I am unable to switch to other applications. (I can bring up the taskbar on the host and 'see' other applications and even switch to them, but VMWare still stays 'on top' being unresponsive). I can not terminate VMWare even when windows says that the application has become unresponsive and gives me the option to terminate. VMWare stays on top, and I'm forced to either shutdown, or log off and log back on in order to regain control of my computer. This happens with both Windows 7 and Windows Vista guest operating systems (32 bit), and I have had it happen on multiple host machines, and multiple guest machines too. Current Host: Windows 7 64 bit, 8GB Ram, 500GB HDD, i7 Processor. I have been searching for more than 6 months for a solution but have found none, so finally decided to post here. Does anyone know what might be causing the problem (+or even how to minimize the VM so I can at least access any other applications and save work before forcing a logoff / reboot+) would be extrememly handly. If I know the correct keystrokes to save and close in an application on the host I can do this by task-switching to the desired app to save and close successfully, but I can't see what I'm doing because VMWare Workstation is still on-top 'greyed' out. Cheers Adam.

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  • Can you shrink the sparse disk image of a Mac OS X guest OS in VMWare Fusion?

    - by Paul D. Waite
    I use VMWare Fusion on my Mac to run a virtual Windows 7 machine, and the Microsoft IE compatibility Windows XP virtual machines. In VMWare Tools on the Windows guest OSes, there’s a “Shrink” option that lets you reduce the size of the sparse disk image used by the guest OS, to save hard drive space on your host OX. I’ve recently created another virtual machine, this time running Snow Leopard Server. I was wondering if I could shrink the spare disk image used by this machine too, but I can’t find a VMWare Tools app on the Mac guest OS, even though VMWare Tools have been installed (as VMWare’s Shared Folders feature is working). Is there any way to shrink the sparse disk image used by Mac OS X guest OSes in VMWare Fusion?

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  • Weird stuff in in my /var/log/auth.log

    - by xXx
    I just check my logs on my deed serv, i spotted some weird log in the auth.log : Jun 17 22:27:01 mutualab CRON[16249]: pam_unix(cron:session): session opened for user user by (uid=0) Jun 17 22:27:01 mutualab CRON[16249]: pam_unix(cron:session): session closed for user user Jun 17 22:28:01 mutualab CRON[16253]: pam_unix(cron:session): session opened for user user by (uid=0) Jun 17 22:28:01 mutualab CRON[16253]: pam_unix(cron:session): session closed for user alain Jun 17 22:29:01 mutualab CRON[16257]: pam_unix(cron:session): session opened for user user by (uid=0) Jun 17 22:29:01 mutualab CRON[16257]: pam_unix(cron:session): session closed for user user Looks like somebody try to log - and suceed ? - but delog instantly ? I got the same log for hours now... Do you know what happens ? N.B : it's a 10.04 ubuntu server

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  • Fastest browser to run over a forwarded X11 session

    - by warren
    So far I have tried Firefox (latest and greatest) and Chrome (also latest and greatest), and while Chrome runs faster than Firefox over X11 from my CentOS server to my Windows 7 workstation, it's still pretty sluggish. What other GUI browsers are available for Linux that would [likely] run faster than Chrome? I've not tried Opera 11, but have had many issues with it under Windows and Mac OS X directly, so am waiting for a new version before going that route.

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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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  • "Error 53" with local LAN machines after VPN session on server

    - by tim11g
    I have a Windows 2000 server with a Windows 7 client that occasionally gets "error 53" when accessing the server by name (net view \\server). It still works by IP address (net view \\192.168.0.1). The server's primary IP address (as shown in "routing and remote access" as "Gigabit Ethernet" is 192.168.0.1. There is also a secondary IP address shown as "Internal" which is 192.168.0.50 The server also supports VPN. When a VPN user connects, it gets an address in the range of 192.168.0.51 to .59. Normally (when there is no error), when the local LAN client runs "ping server", it resolves to 192.168.0.1. When the Error 53 problem happens, "ping server" resolves to 192.168.0.50. This problem seems to be related to when a user connects or has recently connected to the server VPN. Is there some connection between the VPN services on the server and the DNS services on the server that could cause a local LAN client to become confused about which IP address to use for the server? Or is there a misconfiguration in the VPN or DNS?

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  • PuTTY inserts random characters during a session

    - by Zachary Polikarpus
    I recently started renting space on a remote server so that I could work on a project. I found that a relatively painless way to access it on a windows machine is through PuTTY. However, there is one thing that has always irked me when using it: for seemingly no reason random characters are sometimes inserted at the cursor. Most of the time it is just a single tilde, but rarely it spits out what looks like some escape sequence ([[^8 or the like). It will only occur when I am focused on the window, whether I am typing or 20 feet away from the keyboard. If left for long enough, it will spit tildes at random intervals (average is about 1 minute). Finally, this behavior seems to be inconsistant when running programs such as nano or the mysql interface: in nano, instead of inserting tildes, it will set marks (ctrl-^); in mysql, lines will become un-editable. My question is this: Has anyone else experienced this sort of behavior in PuTTY? And if so, what can be done to prevent/correct this behavior?

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  • How do I configure a guest VM's static IP address automatically in Citrix XenServer?

    - by Kev
    To facilitate automation of guest VM provisioning, how do I set (in a script) the IP address on a guest VM's NIC (or NIC's) once a new VM has booted? Is there a way to "inject" netsh commands via the Citrix guest OS tools (for Windows for example) once the host has started? Or can this be done via the Citrix API/SDK or the xe tools? These are windows 2008 servers that have been sysprep'd so when the boot for the first time they have no IP address.

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  • Limit display/session resolution for machines @ VDI environment on RDS 2012

    - by WarP
    I have couple of windows 7 entprise virtual machines in collection as part of VDI environment - so users connecting to them through RDS 2012 web site. Is there any way to fix resolution of remote desktops, that user receives (instead of full screen all time) ? I've tried different group policies, but none of them are worked, probably because all those policies are for RDS sessions and not virtual desktops ... And i don't know how to limit resolution locally on win7 machine itself, so connecting users will receive fixed resolution.

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  • How to run scripts within a telnet session?

    - by wenzi
    I want to connect to a remote host using telnet there is no username/password verification just telnet remotehost then I need to input some commands for initialization and then I need to repeat the following commands: cmd argument argument is read from a local file, in this file there are many lines, each line is a argument and after runing one "cmd argument", the remote host will output some results it may output a line with string "OK" or output many lines, one of which is with string "ERROR" and I need to do something according to the results. basically, the script is like: initialization_cmd #some initial comands while read line do cmd $line #here the remote host will output results, how can I put the results into a variable? # here I want to judge the results, like if $results contain "OK";then echo $line >>good_result_log else echo $line >> bad_result_log fi done < local_file the good_result_log and bad_result_log are local files is it possible or not? thanks! NOTE: I can't control B, I can only run initial cmds and cmd $line on B

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  • Using Quest AD cmdlets in an imported session

    - by ASTX813
    We are trying to use remote Powershell on our Exchange system: $rs = New-PSSession -ConnectionUri <uri> -ConfigurationName Microsoft.Exchange -Authentication Basic -Credential <username> -AllowRedirection Import-PSSession $rs After these commands, we can run Exchange cmdlets and all is well. However, we're unable to run any Quest Active Directory cmdlets. Yes, Quest is installed on the remote (as well as our local machines), and yes we are able to run those commands when running Powershell locally on the server. I tried -AllowClobber, but that didn't have an effect. Is there a way to get access to QAD?

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  • How can a Virtualbox host connect to a guest VM when host wireless is disabled / host Ethernet cable is unplugged?

    - by uloBasEI
    I have a Virtualbox VM running on a computer connected to Internet via an Ethernet cable. The guest has a network adapter attached to a NAT. 2 ports (22 and 80) are forwarded so that the host can access them respectively on localhost:2222 and localhost:8080. When the Ethernet cable is plugged, both machine (host and guest) can access Internet and the host can access the SSH server/Webserver which ports are forwarded. When I unplug the Ethernet cable from the host, the host can not access the SSH server/Webserver of the guest anymore. Same situation with a Laptop connected to Internet via wireless when I disable the wireless adapter or set a wrong WPA key. My question is: is there a workaround for the host to access the guest services even if its Ethernet cable is unplugged / wireless is not available?

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  • SSL Certificate only works when session active in Server 2008

    - by CodeMonkey1
    I have a web app that uses an installed certificate to send a web request to a 3rd party web service. This has worked for a long time on Windows Server 2003, but just recently we found a problem with it on 2008 installations. When logged into the server as the same user the App Pool uses, either locally or via remote desktop, the web app and it's secure 3rd party request works fine. However, when there are no user sessions open, the 3rd party request fails, as if the certificate were not attached to the web request. Any ideas?

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  • Citrix and Remote Desktop session showing inconsistency after some time - Windows 2003 Server

    - by Nishant
    We have a lab server RDE becomes blank screen after sometime though it connects . When we login , it just shows the blank desktop with nothing visible , just the wallpaper . Citrix takes long time to connect and if it does ( it takes long time "checking credential " screen even ) , it will also show a similar blank screen . Can anyone suggest where/what to look for to trouble shoot this issue . Let me know if u want any further details . The lab works well and fine when we do a reboot and then the same problem happens after an hour or so ...

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