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  • picking a linux compatable motherboard

    - by Chris
    Last time I bought a new computer (I build them myself) I got a motherboard that had really poor linux support for a long time. Specifically the audio. I had to wait months before the kernel supported the on board audio chipset. That is exactly the situation I'm trying to avoid this time around. I have some specific questions about "server motherboards" actually. I looked at a few models of server motherboards by intel, and some random models on newegg. I wasn't able to see much of a difference from regular desktop motherboard other than most had two sockets, and support for much more ram. These boards seem more popular with Linux users. Why? AMD and Intel both have server CPUs as well. Some question, what's the difference? To make this question more concrete, I was looking at this this motherboard. The main questions about it that I can't answer are: Can I get a motherboard without on board raid and audio? I wanted to get a hardware raid controller and a PCI audio card. I thought a server motherboard would be cheaper and not have these "extras", since who wants an audio card on a server? Where can I found out about Linux support for the components on this board? "Intel ICH10R", "Realtek ALC889", "Marvell 88E8056" I'm buying this computer to work as a Linux desktop for a lot of compiling, coding and audio/video work, but I don't want to rule out the possibility of installing windows and playing some games at one point. (even if the last game I got has been sitting in its box unopened for almost a year). Is it a good idea to buy a "server motherboard" and play games on it, or are desktop boards better value for this? The ultimate solution for me would be a motherboard that had GPL divers for onboard LAN, a single CPU socket, lots of PCI express and PCI. USB 3.0, and no fancy hard disk controllers since I'll be getting a separate one.

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  • Failing Windows Updates with Error Code 800719e4

    - by Kev
    On a number of Vista machines I have now come across the same error - when installing updates everything works fine, until it after it reboots and the rolls back during step 3. On all occasions (where a simple retry hasn't worked) the error code has been 800719e4. On my own laptop I have so far tried the following:- Installed the updates one by one manually - I started on the smallest and one by one have worked towards the largest one which has left me with "Security Update for Windows (KB2286198)" that refuses to install. Renamed all the files in "C:\Windows\Logs\CBS" to "xxx.old" where xxx was the original name with windows update turned off - no change Renamed all the folders in "C:\Windows\SoftwareDistribution" in the same manner - no change Attempted to install it manually "Windows6.0-KB2286198-x86.msu" - no change Tried to un-install IE8 - doesn't work, rolls back at the end (Installing the IE9 Beta when it launched was what alerted me to the issue on this laptop) Ran a "Fix It" thing from the Microsoft Website - no help (Can't find the link now). Tried to recover from the disk - but alas my laptop only has a recovery partition (and was unservice packed original). Ran with nothing running on startup, and only MS services - again no change. Google is being useless with a load of posts trying to get me to call a telephone number with letters in (presumably an American number) The error code appears to mean error log full but no one has any idea which log! The WinUpdate log does indicate the following is the error point though :- 2010-10-23 13:54:48:230 1240 738 Handler WARNING: Got extended error: "POQ Operation SetKeyValue OperationData \Registry\machine\Schema\wcm://Microsoft-Windows-shell32?version=6.0.6002.18287&language=neutral&processorArchitecture=x86&publicKeyToken=31bf3856ad364e35&versionScope=nonSxS&scope=allUsers\metadata\elements\HKEY_CLASSES_ROOT_lnkfile_shellex_DropHandler_defaultValue, @default, , ewAwADAAMAAyADEANAAwADEALQAwADAAMAAwAC0AMAAwADAAMAAtAEMAMAAwADAALQAwADAAMAAwADAAMAAwADAAMAAwADQANgB9AAAA" Has anyone any idea how to fix this once and for all - reinstalling laptop after laptop from scratch is mildly annoying at work where Office and Firefox are the only extras, but even more annoying at home - I don't fancy going through the palaver of reinstalling everything yet again.

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  • Getting Dell E6320 with I7 to work with 3 monitors at 1920x1080p x 3

    - by MadBoy
    I want to buy Dell E6320 which comes with Intel Core I7-2620M (2.70GHz, 4MB cache, Dual Core) with Intel HD Graphics 3000. Laptop will come with docking station. I want to connect 3 monitors to that docking station so that working at home would give me some additional boost. Docking station will allow me to connect only 2 monitors so I'm looking at following other options: Matrox TRIPLEHEAD2GO DIGITAL Edition or TRIPLEHEAD2GO DP Edition. But reading Matrox Support Page intel GPU can't run the highest resolution with 3 monitors connected, it even gets worse since it seems monitors would have to be able to work at 50hz. Also I'm not sure but it seems that Matrox doesn't split the monitors as 3 separate monitors but simply as one big space (which is a bit opposite to what I need) Buy 2 or maybe just 1 USB based monitor but it would also mean having 1 or 2 different monitors then the main one, unless I buy 3 USB based monitors which would mean more money to spend. Also I found only couple of models and most of them require USB 3.0 and no other cables to plug in (nice but costly - couldn't find decent monitor with only USB for sending signal and having power connected normally) . But docking station has only one USB 3.0 port. Can I use hub and still get it to work? Find some converters from Digital to USB (I think DisplayLink does some?) Buy different laptop but what kind? I need it to be I7, small (13"), fast and lightweight. At same time it requires docking station that I can use at home to connect 3 external monitors. Some other suggested solution... Edit: I need 3 monitors for work in terms of coding in Visual Studio or having word/excel/outlook open. Nothing fancy. Maybe some movie once in a while.

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  • Trying to connect simple VB6 ADO to SQL Server 2008

    - by Henry
    We have a VB6 App that -for current purposes - is very basic ADO: Dim a New ADODB.Recorset, set some basic properties like Cursor Location and Lock Type, set a Connection String and a .Source like "Select * from CustomerMaster", and .OPEN - nothing fancy here! Yet, on a new SBS installation with SQL Server 2008 across 2 Servers (one for Apps, the other dedicated to SQL!), it dies/hangs/crashes if you try to run such a Query from anything but the SQL Sever box. Initially, we were using the SQLOLEDB.1 driver, which would crash/hang the entire SQL Server after about 4 such queries (built a simple 6 line App just for this purpose). Then switched to the NATIVE SQL driver, which did allow us unlimited, happy queries - until you did the first Change/Update - THEN it would corrupt the SQL Server if you exited and tried to go back in. All this 'corruption' is happening from the 'App Server' of the SBS pair, and I presume that the App Server (also installed in tandem with the SQL server this week) has the latest MDACs, etc. And running it from a 'lowly XP workstation' is (obviously) no better. ANY ideas??? -Henry

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  • PS3 controller -> PC -> emulators -> TV

    - by abrereton
    I'm researching a media PC for the living room. Playing videos, audio and streaming Internet is straightforward enough. I would also like to run a gaming console system. I was wondering if anyone has any thoughts on this. So far I've discovered that a PS3 controller (thankfully it uses USB and Bluetooth) can be connected to a PC. I've also found that MAME, MESS and PCSX2 are all the emulators I need (I can even emulate a TI-83 calculator with MESS). These emulators can re-map keys, so for example I can make the Nintendo's A button to the PS3 X button, or the SNES key pad could be the PS3 keypad or the analog stick. There are also front-ends to these emulators which can do fancy things like image scaling, anti-aliasing and double-buffering to improve the image quality of an 8-bit Mario on a 50 inch plasma. My set up would be this: PS3 controller connecting over Bluetooth to the PC, PC with Windows, PS3 controller drivers, all my emulators, Network drive with all my ROMs, PC connected to TV via HDMI TV playing Super Mario Kart Does this sound feasible? Does anyone have experience of doing anything like this? Is this a good idea or should I grow up and stop living in the past?

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  • Is having a [high-end] video card important on a server?

    - by Patrick
    My application is quite interactive application with lots of colors and drag-and-drop functionality, but no fancy 3D-stuff or animations or video, so I only used plain GDI (no GDI Plus, No DirectX). In the past my applications ran in desktops or laptops, and I suggested my customers to invest in a decent video card, with: a minimum resolution of 1280x1024 a minimum color depth of 24 pixels X Megabytes of memory on the video card Now my users are switching more and more to terminal servers, therefore my question: What is the importance of a video card on a terminal server? Is a video card needed anyway on the terminal server? If it is, is the resolution of the remote desktop client limited to the resolutions supported by the video card on the server? Can the choice of a video card in the server influence the performance of the applications running on the terminal server (but shown on a desktop PC)? If I start to make use of graphical libraries (like Qt) or things like DirectX, will this then have an influence on the choice of video card on the terminal server? Are calculations in that case 'offloaded' to the video card? Even on the terminal server? Thanks.

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  • Why *do* windows print queues occasionally choke on a print job

    - by Ian
    Y'know they way windows print queues will occasionally stop working with a print job at the head of the queue which just won't print and which you can't delete? Anyone know whats going on when this happens? I've been seeing this since the NT4 days and it still happens on 2008. I'm talking about standard IP connected laser printers - nothing fancy. I support a lot of servers and loads of workstations and see this happen a few times a year. The user will call saying they can't print. When you examine the print queue, which in my case will generally be a server based queue shared out to the workstations, you find a print job which you cannot cancel. You also can't pause it, reinitialize it, nothing. Stopping the spooler is the usual trick and works sometimes. However I occasionally see cases which even this doesn't cure and which a reboot is the only solution. Pause the queue, reboot, when it comes back up the job can then be deleted. Once gone the printer happily goes back to its normal state. No action is ever necessary on the printer. I regard having to reboot as last resort and don't like it. What on earth can be going on when stopping the process (spooler) and restarting it doesn't clear a problem? Its not linked to any manufacturer either. I've seen this on HPs, lexmark, canon, ricoh, on lasers, on plotters.... can't say I ever saw this on dot matrix. Anyone got any ideas as to what may be going on. Ian

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  • In solaris, how monitor & auto-respond to critical events

    - by mamcx
    I have a website that randomly fail. Is running in open solaris on joyent. I have a monitoring service that alert me when the site is down, but, I want a way to put a "insider" tool that tell me why that happened. Is because the cpu is too high? Not memory? Which process fail? Is possible to have a backtrace of that? Everything is running on the Solaris Service Management Facility. The webserver is cherokee, the database is mysql and the language is python/django. I want the most simple setup to monitor that & auto-respond , ie: restart the webserver or the django process in case of failure. I prefer a low-overhead tool. I don't need the fancy monitoring that some tools have, no ned graphs or sms alert. Only know what fail, restart it if possible (maybe up to n times), and have a log somewhere when I will check it.

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  • Looking for ballpark pricing on an affordable a Cisco VOIP solution for our office

    - by guytech
    We have about 8 incoming PSTN lines that are currently on an old and antiquated Nortel Meridian ICS system. This system has been giving us some grief. We're looking for a new VOIP solution. I've been looking at a Cisco solution and it does seem pricey but I'm sure effective. Unfortunately, we probably can't afford a Cisco Unified Communications 520 which seems to be the ideal solution. We have about 15 people who need an extension and voicemail. We really don't have any need for a fancy system just an auto attendant of some sort when people call us. It looks like we'll have to get an older router and an addon card for what we're looking for to get best value pricing. However, I don't know a a lot about Cisco voice products so I'm a bit lost as to what to get. The only thing I am sure on is the pricing on VOIP phones which we expect to be about ~$100-200. However, I'm not sure what pieces of VOIP infrastructure to get. Any advice? I am familiar with Asterisk but right now I'm looking on pricing concerning a Cisco solution.

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  • openvpn problem

    - by Jared Voronik
    I have a problem with openvpn. I have already setup openvpn sucessfully on some other servers in the past (basic configuration, nothing special). On this server, I used the same config file, but for setting up nat iptables -t nat -A POSTROUTING -s 10.4.0.0/24 -o eth0 -j MASQUERADE doesn't work. It gives error: iptables v1.3.5: can't initialize iptables table `nat': Table does not exist (do you need to insmod?) Perhaps iptables or your kernel needs to be upgraded. How do I fix this error? Also, if I can't fix this error, can I do bridging instead of routing? I have only 1 interface, and I can connect to remote server only via ssh (and need to avoid reboots if at all possible) so if briding means a whole ethernet card has to be devoted to the openvpn (and no other servers) then briding is out, otherwise I can use briding. Do you know of a simple, step by step guide to configure openvpn briding (just simple openvpn server and clients that can access internet through vpn server, nothing fancy)?

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  • Regarding AD Domain controllers and remote branch offices

    - by Alex
    We have central HQ building and a lot of small branch offices connecting via VPN and want to implement AD (If you can believe we still haven't). We want everyone to log in using domain accounts and be policed centrally. We are OK with having a RODC in a branch office with like 10 computers. But we have these small branches with two to four PCs only. Some of these branches connect to HQ via IPSec site-to-site VPN, some via remote access (client-based) VPN. So there is no problem with ones that have local RODC or connecting to HQ DCs via VPN router. But how about small branches? We don't really want to set up a machine there, neither we want to invest into Windows Server licenses or fancy network equipment. Also, the problem is that we cannot access HQ DCs via VPN because we are not logged in and connected to HQ internal network yet, so DCs aren't reachable. What is typically done in that situation if it is needed to have central management over policies on those PCs? Or is it better to let 'em loose and use local policies and accounts in this situation?

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  • Help, my CentOS servers keep going down , No route to host after a random uptime

    - by user249071
    Hello , I have a couple of Centos linux servers, that have a very simple task, they run nginx + fastcgi for php , and some NFS mounts between them, readonly They have some RPC commands to start some downloading processes with wget, nothing fancy , from a main server, but their behavior is very unstable, they simply go down, we tried to monitor ram , processor usage, even network connections, they don't load up so much, max network connections up to... 250 max, 15% processor usage and memory , well, doesn't even fill up, 2.5GB from 8GB max , I have no ideea why can a linux server go down like that, they aren't even public servers, no domain names installed no public serving, for sites. The only thing that I've discovered was that if i didn't restart the network service every couple of hours or so... the servers were becoming very slow, starting apps very slow, but not repoting a high usage of resources...Maybe Centos doesn't free the timeout connections, or something like that...It's based on Red Hat right? I'm not a linux expert , but I'm sure that there are a few guys out there that can easily have an answer to this , or even have some leads to what i can do ... I haven't installed snort, or other things to view if we have some DOS attacks, still the scheduled script that restarts the network each hour should put the system back online, and it doesn't.... Thank you in advance

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  • Autounmounting USB keys with FAT filesystem on Linux (RHEL5)

    - by niXar
    For security reasons, I have two workstations i front of me, and I can only transfer data between them through a USB key. As you can imagine, it can get quickly tiresome, but the most annoying is having to unmount the things before removing them. Not umounting them results in missing files most of the time, even if I remove them a while after having last written to them. Now, since they're only used for transferring smallish files, and each are basically written once and read once, I don't need the fancy pansy caching infrastructure that makes clean unmounting a necessary step. And since the data is always a copy of something I have at hand, I don't care if the filesystem croaks from time to time. But anyway the system doesn't need to force that on me, it could simply make sure everything is committed with a second, and works synchronously. Then when I remove the key, nothing is lost. Is there a way to do this? I would appreciate any other tips on handling this situation. Edit: it appears the situation has changed between RHEL5 and Fedora up to F11 on one hand, and F12 on the other. The latter use DeviceKit-disk, and I haven't quite figured out how to do this. The method provided below in gconf does not work anymore.

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  • How to view / enumerate / obtain a list of all effective rights / permissions on an Active Directory object?

    - by Laura
    I am new to Server Fault and was hoping to find an answer to a question that I have been struggling with for the past week or so. I have been recently asked by my management to furnish a list of all the effective rights / permissions delegated on the Active Directory object for our Domain Admins group. I initially figured I'd use the Effective Permissions Tab in Active Directory Users and Computers but had two problems with it. The first was that it doesn't seem very accurate and the second was that it requires me to enter the name of a specific user, and it only shows me what it figures are effective permissions for that user. Now, we have more than a 1000 users in our environment so there's no way I can possibly enter 1000 user names one by one. Plus, there is no way to export that information either. I also looked at dsacls from MS but it doesn't do effective permissions. Someone pointed me to a tool called ADUCAdmin but that seems to falsely claim to do effective permissions. Could someone kindly help me find a way to obtain this listing? Basically, I need to generate a list of all the modify effective permissions granted on the Domain Admins group object along with the list of all the admins to which these permissions are granted. In case it helps, I don't need a fancy listing - simple text / CSV output would be enough I would be grateful for any assistance since this is time and security sensitive for us.

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  • Creating a bootable USB drive from a distro split over two DVD ISOs

    - by Kev
    I am searching and not finding the right way to do this. Please note, I don't think I'm trying for anything strange here. I just want to make a bootable USB stick of a single OS that happens to be larger than one DVD and happens to be larger than FAT32 will allow for in a single file. On our slow connection I spent a long time downloading CentOS 5.9's two DVD ISOs: CentOS-5.9-x86_64-bin-DVD-1of2.iso (4.4 GB) CentOS-5.9-x86_64-bin-DVD-2of2.iso (718 MB) I have a USB stick that I want to somehow get these two ISOs on. Since the first one is 4.4 GB, I can't use ISO2USB because it insists on FAT32. I cannot find an alternative that lets you specify more than one ISO image--of the same distro, I'm not trying for some fancy multi-boot thing--to put on the same stick. I guess I should have downloaded the CD ISOs, but I thought I was "saving time" because then I wouldn't have as many files to run through the md5 checker. There's no IMG file of the whole thing (only a net install version, which I don't want--I want to pre-download everything) otherwise I would've gone for that. So, given that I have these two DVD ISOs, how can I get them on a stick that will boot and make use of both of them properly to install CentOS somewhere? Again, I don't think this is anything out of the ordinary, yet I can't find software/docs that seem to support this. Am I stuck re-downloading everything in CD-sized ISOs just to do this? I found this, but it doesn't run on Windows. I am using Windows to prepare the stick.

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  • Application Pool Identity corruption

    - by Gavin Osborn
    I have observed a few times while deploying software into IIS that every now and again the related Application Pools fail to restart and in the Event Log we see an error like the following: The identity of application pool, 'AppPoolName' is invalid. If it remains invalid when the first request for the application pool is processed, the application pool will be disabled. This does not happen frequently but when it does the only solution is to re-apply the Identity password in the IIS Manager Window. As soon as I re-apply and then restart the application pool the web sites come back up. Facts: The account is a service account whose password never expires. The account is local to the IIS host. The account password is never changed. This is IIS 6 running on Windows Server 2003 Deployment of the software is via MSI and involves several IIS Resets. The software is created in house and does not do anything fancy to IIS. Any ideas how the identity information might become corrupt? Edit: Clarification To be clear - this user account and password combination work absolutely fine and usually works fine as the Identity of the Application Pool. It is only when we deploy updates of our software into an existing IIS application that it stops working. Our password has not changed Our deployment does not change the password or reconfigure the application pools. This does not happen every time, 1/20 times perhaps. If we re-enter the password into IIS and restart the App Pools everything works.

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  • Migrating from one linux install to another: How to keep the second disk around?

    - by Jim Miller
    I've got a linux box running Fedora 19 that I want to move to CentOS 6.4. Rather than trying to do something fancy with the current disk (which has also accumulated a lot of sludge over the years), I'm going to get a new disk, put CentOS on that, and then move the to-be-preserved bits of stuff from the old disk to the new one. I haven't done this yet, but I presume it should be semi-straightforward -- do the CentOS install on the new disk, mount the old disk on /olddisk or somesuch, and start copying. However, I'm not sure how to handle getting the machine to recognize the new empty disk as the target of the CentOS install (I suppose I can just pull the old disk during the installation), remember that this is the intended boot disk once the install has happened), and tweak /etc/fstab (right?) to set up the old disk on the desired mount point. (Both disks are, or will be, SATA.) I could probably hack it together without losing too much hair or doing too much damage, but could anyone offer some advice that would get/keep me on the right track? Thanks!

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  • Simple Distributed Disconnected way to sync a directory

    - by Rory
    I want to start regularly backup my home directory on my ubuntu laptop, machine X. Suppose I have access to 2 different remote (linux) servers that I can backup to, machines A & B. Machine X will be the master, and should be synced to A and B. I could just regularly run rsync from X to A and then from X to B. That's all I need. However I'm curious if there's a more bandwidth effecient, and hence faster way to do it. Assuming X is going to be on residential style broadband lines, and since I don't want to soak up the bandwidth, I would limit the transfer from X. A and B will be on all the time, however X, will not be, so I'd also like to reduce the amount of time that X is transfering, potentially allowing A and B to spend more time transfering. Also, X won't be connected all the time. What's the best way to do this? rsync from X to A, then from A to B? Timing that right could be troublesome. I don't want to keep old files around, so if I was to rsync, then the --del option would be used. Could that mean something might get tranfered from A to B, then deleted from B, then transfered from A to B again? That's suboptimal. I know there are fancy distributed filesystems like gluster, but I think that's overkill in this case, and might not fit with the disconnected nature.

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  • FreeBSD jail IMAP/MTA config recommendations

    - by kobame
    I've got access to my "own" FreeBSD jail. The jail has only basic, unconfigured system, but I have full access to FreeBSD ports, and (jail)root too. Now I need to setup my jail as IMAP/MTA. The question: What packages are EASIEST for config and later administration, (the simplest possible setup, with the minimum needed configuration) when: i haven't any preferences (don't know any yet) my (one) domain is managed by ISP, so don't need DNS need only IMAP for few users (up to 20 mailboxes) need secure transport layer (IMAPS/993) password auth, no LDAP, no kerberos, nor databases, nothing like fancy things... need easy-setup easy-admin MTA, with simplest possible password SMTP auth, (again no LDAP, nor DB), secure transport layer but would be nice have virus-scan and some anti-spam protection So, what ports I should install for MTA and IMAP? MTA (Sendmail, Postfix, Exim)? antivirus (ClamAV) antispam??? IMAP(S), (Dovecot, Courier) when the main criteria are: easy setup, and easy administration. When I googled I found only complicated setups for thousands of users with LDAP, databases and so on - too big-caliber for my small (easy?) needs. Any pointer to an easy howto is very welcomed.

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  • XAMPP server giving 404 error when requested by ipv4 connection

    - by boyb
    This is in reference to a previous question that I asked and was answered by womble. http://serverfault.com/a/406280/127729 So, now we have the real DNS records, we can do some diagnosis. dig for both A and AAAA on akosiboybastos.broker.freenet6.net gives a valid response, with an appropriate address. Good. dig for both A and AAAA on bastosforum.strangled.net gives the same responses (with a CNAME response thrown in). Also good. This means that the problem is not DNS-related, as those records are in order. wget -6 bastosforum.strangled.net/ gives a 200 OK response. wget -4 bastosforum.strangled.net/ gives a 404 Not Found response. This means that your webserver is misconfigured so that it's not serving the response you desire on IPv4. Given that the initial DNS problem asked in this question has been solved, I would recommend posting a new question with relevant webserver-related configuration, if you can't determine the configuration error yourself. I am using XAMPP(latest version) running phpbb3.0.10 via ipv6 tunnel from freenet6 and my domain is akosiboybastos.broker.freenet6.com, nothing fancy with the installation just out of the box install(with a few cosmetic mod). Both ipv4 and ipv6 traffic can connect using that url, but when I try to put a CNAME record on my test domain which is bastosforum.strangled.net pointing it to akosiboybastos.broker.freenet6.com only ipv6 can connect. As suggested by womble, this is a misconfigured webserver. To be honest I don't know where to start checking on the server as it is fully working if you use the domain given by freenet6 (akosiboybastos.broker.freenet6.com), any info on how to go about this server issue is welcome as i'm really a noob when it comes to computers. regards boyb

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  • How to back up initial state of external backup drive?

    - by intuited
    I've picked up an HP Simplesave external drive. It comes with some fancy software that is of no use to me because I don't use Windows. Like many current consumer-targeted backup drives, the backup software is actually contained on the drive itself. I'd like to save the drive's initial state so that I can restore it if I decide to sell it. The backup box itself is somewhat customized: in addition to the hard drive device, it presents a CDROM-like device on /dev/sr0. I gather that the purpose of this cdrom device is to bootstrap via Windows autoplay the backup application which lives on the disk itself. I wouldn't suppose any guarantees about how it does this, so it seems important to preserve the exact state of the disk. The drive is formatted with a single 500GB NTFS partition. My initial thought was to use dd to dump the disk (/dev/sdb) itself, but this proved impractical, as the resulting file was not sparse. This seemed to be because the NTFS empty space is not filled with zeroes, but with a repeating series of 16 bytes. I tried gzipping the output of dd. This reduced to the file to a manageable size — the first 18GB was compressed to 81MB, versus 47MB to tarball the contents of the mounted filesystem — but it was very slow on my admittedly somewhat derelict Pentium M processor. The time to do that first 18GB was about 30 minutes. So I've resorted to dumping the disk state and partition data separately. I've dumped the partition state with sfdisk -d /dev/sdb > sfdisk.-d.out I've also created a compressed image of the NTFS partition (the only one on the disk) with ntfsclone --save-image --output - /dev/sdb1 | gzip -c > ntfsclone.img.gz Is there anything else I should do to ensure that I can restore the precise original state of the drive?

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  • D-Link wireless router losing outbound data

    - by gsteinert
    I have a Linux box running the Apache web server behind a D-Link wireless router (nothing fancy, just standard kit that comes with Virgin Media broadband). My issue is that when requesting web pages (from within the network or via the web), the back end of the page seems to be being dropped. For example, I tried to display a text-only file, and all I could get was the first 40-70% of the file (it changed slightly with each refresh). The apache access logs show that only part of the data was being sent (~6000 bytes instead of the 12000+ bytes of the file). Removing my router from the equation fixes the issue and I can download any files no matter the size with no problems. My theory is that the uploaded packets are either being dropped or held up by the config of the router. Is there anything I can do to alleviate the problem? (Perhaps a way of reconfiguring the router to upload packets harder/better/faster/stronger or an option in apache that provides a workaround) As a last resort I will get a second NIC for my Linux box and turn it into a router, but that would mean the box will be on 24/7... not the most ideal of circumstances. Gary

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  • Compiz & Linux compositing: how does it fit into the X architecture?

    - by Latanius
    Not a really "how to solve stuff" question, but... I was wondering how the modern X architecture works, with compiz & all. What I know about it: in the beginning, there was the X server, clients connected (presumably on TCP), and then sent messages to the server to instruct it to show windows etc. because this didn't work (at all? or just fast enough?) for OpenGL & 3D acceleration, additional APIs were created for direct rendering (DRI? and, in addition to the X server, what things did the X clients talk to to render stuff and through what interfaces?) and, finally, enter Compiz: X clients end up (somehow) rendering to OpenGL textures, which is then put together to form a fancy-looking screen with translucent windows, and rendered to the screen. What I'm especially interested in is what components does the system have and how do they connect to each other? Like... if there is a box labelled "compiz" in the system... is it inside the X server? If it's not, how do the rendered images from the apps end up in it? And where does it render to? Is that another X server? Or DRI? Of course, I'd be equally happy if pointed to some docs capable of clearing up the confusion described above (conditional on they being significantly shorter than book-sized entities).

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  • Question marks showing in ls of directory. IO errors too.

    - by jaymoo
    Has anyone seen this before? I've got a raid 5 mounted on my server and for whatever reason it started showing this: jason@box2:/mnt/raid1/cra$ ls -alh ls: cannot access e6eacc985fea729b2d5bc74078632738: Input/output error ls: cannot access 257ad35ee0b12a714530c30dccf9210f: Input/output error total 0 drwxr-xr-x 5 root root 123 2009-08-19 16:33 . drwxr-xr-x 3 root root 16 2009-08-14 17:15 .. ?????????? ? ? ? ? ? 257ad35ee0b12a714530c30dccf9210f drwxr-xr-x 3 root root 57 2009-08-19 16:58 9c89a78e93ae6738e01136db9153361b ?????????? ? ? ? ? ? e6eacc985fea729b2d5bc74078632738 The md5 strings are actual directory names and not part of the error. The question marks are odd, and any directory with a question mark throws an io error when you attempt to use/delete/etc it. I was unable to umount the drive due to "busy". Rebooting the server "fixed" it but it was throwing some raid errors on shutdown. I have configured two raid 5 arrays and both started doing this on random files. Both are using the following config: mkfs.xfs -l size=128m -d agcount=32 mount -t xfs -o noatime,logbufs=8 Nothing too fancy, but part of an optimized config for this box. We're not partitioning the drives and that was suggested as a possible issue. Could this be the culprit?

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  • How can I change the file name of the Program Files (x86) folder?

    - by Madrauk
    Let me stop you before the "you shouldn't do that" and "you will corrupt your file paths". I know what I'm doing, but I'll give you the story to convince you. Basically, my hard drive is failing to the point where programs installed on it are not responding consistently. So, in preparation for my replacement, I'm moving as many files as possible to my secondary because the new drive will be smaller (it's an emergency I can't buy a fancy expensive new drive) and so I can actually use my computer until the new drive comes in. The basic idea behind what I'm doing is I've copied the contents of the Program Files x86 folder to another spot on my other drive, and I want to replace the original folder in the C drive with a symbolic link that points to the other drive, so the programs can run from that drive and be fine but it will save space on my C drive and simplify the moving process when the new one comes in. To do that, I need to rename the program files folder, make the symbolic link, hopefully delete the program files folder, then restart my computer so all the programs are running properly and I can confirm it works. Now that I've told you why, can anyone help me out?

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