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  • Tying down a cloud by virtualizing everything and then locking VMs to real hardware as necessary

    - by tudor
    I'm looking for a cloud software solution that: Can run on both server and desktop machines; Virtualizes hardware and has the option of exposing each real machine to the cloud; Allows a VM to be "locked" to a set of real hardware capabilities and stay there until moved (e.g. a user's "real" desktop); Allows a VM to link to some types of devices elsewhere (e.g. USB/serial via ethernet); and Is geography-aware to control movement of VMs between real networks. I'm aware that this may be the holy grail of virtualization, and I've searched alot. Some solutions appear to meet some criteria but not others. Most cloud implementations appear to ignore real hardware, for example. I realise that this may be solved by using three different implementations in combination: A standard cloud server farm. A bare-metal network backup utility with PXEBoot. VNC and/or VDI. (VNC obviously would require the real hardware to be running.) This combination, however, has some serious drawbacks that I'd like to solve by treating it as one system. My explanation follows... I have a network of real servers and desktops in multiple locations. I've virtualized servers before using Virtualbox and that's worked quite well. I've even connected USB devices to VMs on servers. I would like to virtualize the desktops in all my offices to facilitate movement of desktops, remote access (e.g. VDI) and bare-metal backups. However, I know that there are problems with this. For example, some desktops have specific hardware (e.g. 3D graphics cards, USB devices, etc) that limit their mobility. Geographic constraints also limit movement in that VMs can be moved easily within offices, but transferring between offices is not always preferable. What I would like to find is a system that can virtualize everything from bare-metal easily by maintaining an abstraction layer on each client and server machine that exposes the hardware available and runs as a cloud. Then certain VMs would be "locked" to specific hardware (so that, e.g. the VM runs only on their own desktop.) This would be required for situations where speed is important (e.g. 3D graphics pass-through). In addition, abstracted low-speed devices (e.g. USB) could be piped from real hardware to a VM in the cloud. This is important since if a VM is taken down, another VM can connect to the real hardware for minimum downtime.

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  • IP not Pinging!

    - by Paddy
    I have an apache server running on Mac. i had windows before on the same machine and i had apache running there too. i could access my public sites by just typing in my ip in the web browser. now its not working. its working with localhost though!!!

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  • Clock battery broken on Solaris - how to workaround until I can fix the battery

    - by weismat
    My main Solaris server has an issue with its battery and thus I loose around 20 seconds per day. Currently I am using rdate once in the morning to synchronise the time. Which approach should I use until I can change the battery on a weekend? Should I switch from rdate to ntp? The machine runs plenty of cronjobs and thus I need to ensure that everything is started even when the time is changed.

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  • How can I run Selenium tests on an Ubuntu server?

    - by Thierry Lam
    I currently have a test machine running Ubuntu server 9.10 with no GUI. I want to run my Selenium RC test suites which open Firefox and perform a series of operation. I could bloat my test server with Gnome or KDE to run those tests but I'm looking for a lighter solution. Does anyone have some suggestions on how to run GUI tests on an Ubuntu server?

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  • Deleting jobs from Job History on Xerox Workcentre Pro 123

    - by JPaget
    How do you delete one or more fax jobs from the Job History on a Xerox Workcentre Pro 123? The Xerox Workcentre Pro 123 is a combination copier, printer, scanner and fax machine, and it keeps a history of the numbers dialed for sending faxes, including any long distance access codes that were dialed. In order to keep these access codes private, I'd like to remove these jobs from the job history, or alternatively clear the entire job history. Unfortunately the User Guide and the Quick Reference Guide don't explain how to do this.

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  • Can a Windows PC do anything while it is sleeping?

    - by Root
    I heard that OS X Mountain Lion on a Mac has a feature called Power Nap : With Power Nap, your Mac sleeps but your applications stay up to date. So you have the latest information — such as mail, notes, reminders, and messages — when your Mac wakes up. Power Nap performs Time Machine backups to Time Capsule and downloads OS X software updates while your Mac sleeps, so you can begin installing as soon as you wake it up. Can Windows do the same on a PC?

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  • View/Find all compressed files on the server?

    - by Volodymyr
    I need to find all compressed files/folders regardless of file format on a Windows Server 2003 machine. Search options do not provide this capability. Is there a way to list/view all compressed files? Perhaps, this can be done by PowerShell using file/folder attributes and put into a txt file with file location. UPD: Under compressed files/folders - I mean files which appear in blue color in Explorer after changing file/folder attribute.

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  • Unable to open an ra_local session to URL

    - by AntonAL
    I have repository on my Windows machine, using VisualSVN + TortoiseSVN I want to use this repositories on my Mac with Versions.app I create a new Repository bookmark, choose a repository directory and after clicking "Create", get following error: Unable to open an ra_local session to URL Unable to open repository 'file://localhost/Path/to/my/repositories/MyRepo' Expected FS format '2'; found format '4' I can surf through the repository, using svn ls file://localhost/Path/to/my/repositories/MyRepo Also, when i create local repository, using Versions.app, the bookmark is created well and i can work with it Help!

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  • Glassfish installation error: cannot open display

    - by Mannaz
    When trying to extract the Glassfish jar file with java -Xmx256m -jar glassfish-installer-v2.1-b60e-linux.jar i get following error: (.:31766): Gtk-WARNING **: cannot open display: and extraction doesn't happen. It somehow assumes i'm on an real machine rather on a SSH shell. How can i solve this?

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  • Fedora 8 upgrade PHP > 5.2.4

    - by Bonn
    One of my current company servers is using old Fedora 8 and web apps compatible with PHP 5.2.x. Currently the PHP version is 5.2.4. I would like to upgrade it minimum 5.2.5 so that Drupal-7 can be installed on that machine. The problem is, there are no more repository for Fedora 8, and maybe here someone could help. I can't risk upgrading the OS since I'm not linux expert, and if anything goes wrong I could be in trouble. thanks

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  • Can I get Linux into 'Party/Kiosk-Mode' like status?

    - by kramer
    I want to create a linux user account (in ubuntu or debian or whatever release is more suitable for this) which cannot do anything but just view a pre-determined web page. Kind of Kiosk style so that the user can observe what is going on from that web page but; cannot execute or write (and this blocking is preferably made also via GUI i.e. user cant minimize or close the browser, cant view any -start menus- )anything on machine. How can I do this?

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  • Update multiple Windows 8 to 8.1

    - by muhan
    My office has multiple Windows 8 Machines and slow internet. Is there a place online I can download the 8.1 upgrade from home on my fast internet so I can do a network or usb install at the office? I don't want to have to download 3GB+ of updates on each and every machine through the Windows store over our slow internet connection. The Windows 8 PC's in question are OEM Windows 8 Home, upgraded to Windows 8 Pro via the online Pro pack upgrade.

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  • How do I configure Thunderbird to locally remap the label-folder in an G-Mail IMAP account?

    - by Edward Beach
    I'm using G-Mail and Thunderbird together for an imap account. One of the limitations of G-Mail is that there's no concept of nested labels - which is fine when I'm using the account through the web interface but when I'm using Thunderbird I would like a bit more organization. Is there a way for Thunderbird to locally remap an imap folder's path? For example with a "MyCustomLabel" label: Thunderbird: "MyAccount/path/on/local/machine/MyCustomLabel" G-Mail: "MyCustomLabel" Thanks

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  • How do I mount the EFI partition on Windows 8.1 so that it is readable and writeable?

    - by RyanTM
    Here is what I do: restart machine with Windows 8.1 determine "EFI System" parition with the Disk Management utility run command prompt as administrator type diskpart type select disk 0 then select partition 2 then assign open windows explorer windows+e refresh if the drive is not showing F5 try to open drive by double clicking What I expected to happen: I can at least look at my EFI partition files. What happened: after clicking continue after clicking "security tab" link, no security tab What do I need to do to access my EFI partition on Windows 8.1?

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  • RabbitMQ and persistence (blocking writes?)

    - by daharon
    I want to create a RabbitMQ server on a virtual machine (VMware) to be used in production. It will contain persistent queues. I'm wondering if it is a bad idea to store the server on a NAS that's accessed over NFS. Basically my questions are: Will RabbitMQ's writes be blocking? Will the entire queue's operation halt on a write? How much performance degradation should I expect when persisting over NFS?

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  • Identify Executable Creating Network Traffic

    - by jeffspost
    I've got some application on my Windows XP machine that is generating an HTTP request to aaronsw.com every half hour. We've trapped the packets in wireshark, but wireshark doesn't tell what application generated the packets. Is there any utility that looks at network traffic AND tells what executable produced the traffic?

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  • Backup Xen domU machines while running.

    - by Jonathan Hawkes
    The host machine is running CentOS 5.3 and using LVM to create Logical Volumes (LVs) and to allow live snapshots to be taken of those LVs. My thought was to store all of the image files for the Xen underpriviledged domains (domU) in a single LV and periodically take a snapshot of that LV and copy the disk images out of the snapshot in order to make a live backup of these systems. Is this doable? Is there a better way? Thanks!

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  • postgres - sharing same pg_hba.conf between IPV4 system and IPV6 system

    - by StackTrace
    I am trying to package postgres from one machine to another. The source is windows 7 with IP V6 and target is windows XP with IPv4. Starting postgres on windows XP gives error 2010-11-01 12:01:07 IST LOG: invalid IP address "::1": Unknown host 2010-11-01 12:01:07 IST CONTEXT: line 76 of configuration file "C:/postgres/data/pg_hba.conf" 2010-11-01 12:01:07 IST FATAL: could not load pg_hba.conf -- postgres - sharing same pg_hba.conf between IpV4 system and IpV6 system Here is how my pg_hba.conf looks like # TYPE DATABASE USER CIDR-ADDRESS METHOD # IPv4 local connections: host all all 127.0.0.1/32 trust # IPv6 local connections: host all all ::1/128 trust

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