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  • Is data=journal on a separate device on Ext4 as good as using a RAID controller with battery backed cache for file system consistency?

    - by Jeff Strunk
    It seems to me that data=journal prevents file system inconsistency in the case of power failure. Using it with a dedicated journal device mitigates the performance penalty of writing the data twice. A power outage would still lose the data that is currently being written to the journal, but the file system on disk would always be consistent. If that amount of loss is acceptable, is a RAID controller with battery backed cache really worthwhile?

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  • Is it possible to upgrade from a clean install in Windows 8?

    - by Misha
    Does Windows 8 support upgrading from a clean install. For example, buying the upgrade key and entering it on a clear install? Or is it functionally necissary to have the version you are upgrading from installed on the computer. The former was the case with Windows 7, but I recal Windows 2000 needed the an installed copy before an update would proceed. I currently have a linux setup and I have the liceanse for Windows 7, but I don't want to have to downoad two 4 GB isos.

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  • Is there a portable version of Spybot Search & Destroy?

    - by NoCatharsis
    I'm trying to make everything portable, as my office IT has cracked down on native app installation. One of my favorites (and a good CYA app in this case) is Spybot. All I can find are directions on how to alter the installation to make it portable. Is there a single download out there that would put the app right onto my USB drive?

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  • Is there a way to detect which port on an ethernet switch a device is connected to?

    - by banno
    Since the wall jack is typically always connected to the same port on the switch I would like to be able to know which device is connected at a specific location. In my case I am talking about printers. I have code to go out on the network and find the IP Address of all of my printers, but would like to be able to update a server based on a printer being swapped out of a location for maintenance or repair. Is there a method for determining a port connection?

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  • What is the correct way to distinguish services to which RADIUS request belongs?

    - by John
    If I have 1 generic RADIUS server and a number of clients (VoIP server, VPN server, WIFI access point) how to distinguish senders (NAS) of access and accounting requests? I didn't found anything helpful by reading all related RFCs, there just NAS-IP-Addess or NAS-Identifier is required, but this attributes usually represents IP address of the NAS and this address can not be used as a robust identifier, because it's often possible to fall into the case when 2 different NASes are running on the same server and this attributes can not be customized. Any ideas?

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  • What kind of hosting is used for *tube sites?

    - by playcat
    Hello, When a site grows from a just-a-fun project to a site with bigger load of visitor, and you want to enable them to upload videos, you might find yourself in a need of a better hosting, including dedicated server and a no-limit web traffic (or some reasonable limit). So, if people can upload their videos, and if page has around 1000-10000 visitors per day, what kind of hosting is there to choose from? What is needed in that case? Thx

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  • I am getting unmountable_boot_volume STOP oxooooooED

    - by waterfalrain
    I read somewhere that the ultimate boot cd can diagnos computer problems in this case would this program help me get my windows xp back? When I turn on the screen and hit start windows normal or go to safe mode I get a flash of the win xp logo and then it goes to this error page. Can you tell from this message is it a hardware or software issue?

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  • I am getting unmountable_boot_volume STOP oxooooooED

    - by waterfalrain
    I read somewhere that the ultimate boot cd can diagnos computer problems in this case would this program help me get my windows xp back? When I turn on the screen and hit start windows normal or go to safe mode I get a flash of the win xp logo and then it goes to this error page. Can you tell from this message is it a hardware or software issue?

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  • is it possible to synchronize the states of TCP proxies in real time (for real-high-availability of SLB)?

    - by Song
    Consider that there are two server load balancers working in the tcp proxy mode (e.g., for L7 load balancing). Is it possible to synchronize their states in real time so that they can be a backup for each other? in case that one is down, the other still has all necessary states to uninterruptedly support all existing TCP connections. I understand that this is hard, but I am wondering whether any free/commercial LB already supports this feature. Thank you!

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  • Building a backup server

    - by user8181
    One of my older motherboards broke and I'm planning to use the remaining power supply, hard drive and case to build a backup server. I want to buy a new motherboard and CPU that can be used 24x7 and wont break down in a few months. So the question is, do you have any recommendations on any reliable motherboards and CPU for a backup server? Processing power is not a huge issue.

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  • Programmatically reconnect to wifi network

    - by ya23
    Sometimes I work with frequently-dropping wifi connections. I can either reconnect manually or wait some time (varies from few seconds to few minutes) before windows attempts to reconnect. Is there a simple way to trigger reconnect immediately after the connection was dropped? Bonus question: In this particular case I'd blame hardware, but how can I diagnose the reason of dropping connection in general?

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  • Best way to "clone" my Windows Server 2008 R2?

    - by A.B. User
    I have a Windows Server 2008 R2 Machine with 1 physical hard drive. I have an exact copy of the hardware of it, which I intend to use a a redundant backup in case my server fails (hardware or software). I'd like to routinely "clone" my production server's hard drive, so that when it fails, I'll just swap it with the latest clone. Is this even possible? If it is, what would be the simplest way to do this?

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  • What is the correct way to completely restrict outside connection in Tomcat 8?

    - by user221687
    I'm running Solr on Tomcat 8 on a Windows Server 2008 and I want to complete restrict all access to both except local. I've tried adding address attributes to <connector/> tags in the server.xml file and a couple of other things, but I noticed in each case the problem described was limiting access to a particular area, whereas I want a complete block. What is the correct (e.g. deepest/highest) place to set this access restriction within Tomcat?

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  • Installing Windows 8 on vmware 6.5

    - by Aditya
    Is there any way to install Windows 8 on a VMWare Workstation 6.5. I can't install it, get this message: The installation failed with this error "vcpu-0:NOT_IMPLEMENTED vmcore/vmm/intr/apic.c I found this link http://www.sharepointsolutioncenter.net/Blog/Lists/Posts/Post.aspx?ID=46 It says don't try it but just in case anyone has done it please tell. I don't want to download vmware workstation 8 or 9

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  • What are possible security issues with an SSH daemon?

    - by Zhenya
    I'd like to be able to SSH to my Ubuntu 10.04 office PC from the outside. I am thus thinking to start up an SSH daemon on the PC. What are the security issues, possible glitches, specific configuration settings, etc. I should be aware of? In case it matters: this is essentially for my own use only, I don't think there will be other people using it; it's an Ubuntu 10.04 PC in a mostly Windows 7/Vista/XP environment.

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  • Can I change a user password in Linux from the command line with no interactivity?

    - by Paul Hoffman
    I have a specific use case where I would really like to be able to change a user's password with a single command with no interactivity. This is being done in a safe fashion (over SSH, and on a system with only one user able to be logged in), so it's fine to expose the new password (and even the old one, if necessary) on the command line. FWIW, it's a Ubuntu system. I just want to avoid having to add something Expect-like to this system for just this one task.

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  • No mail for root message [closed]

    - by Werulz
    I want to receive email when people login to my server via ssh (as a security measure), however, when I login, I get: No mail for root Email is [email protected] Does it need Postfix to work? I already install it on server but i haven't configured it Can you give me a tutorial to configure Postfix in case it needed? Will email be sent even if my domain hasn't been propagated yet? I added this in .bash_profile echo 'ALERT - Root Shell Access on:' `date` `who` | mail -s "Alert: Root Access from `who | awk '{print $6}'`" [email protected]

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