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• Clustering filesystem for small files

  - by viraptor

  Hi, I'm looking for a distributed filesystem which I could use for storing lots of small files (<1MB usually). What I want to get is: 2 servers which have the fs mounted themselves and mirror the data locking support (among reachable nodes) some kind of best-effort automatic resynchronisation after one node goes down and comes back again What I mean by the resync is that, I'm ok with both servers doing read/write operations even if they split-brain. I'm also ok if a local process obtains a lock if the other host is not reachable. From the resync I expect only a file-level consistent view after a while - that is - if file x is modified on both nodes during a split-brain, I don't really care which one is available after they join again, as long as it's full file, not one block coming from node1 and another block from node2. Is there a solution like that out there? I see that gluster has some problems with file locks (even in 3.1). I also noticed that OCFS2 will panic if both nodes split-brain. What other filesystem would allow me to do what I want?

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• Remove server hangs, gets stuck. How to debug?

  - by bibstha

  I have an vps running on VmWare ESX with Ubuntu 8.04 LTS. It has been running smoothly for the past 3 months, however recently we've notices two strange bugs. a. The server hangs, today was second time. The nature of the hang is very strange. I can ping to the server server, it sends back response fine. However all other services like sshd, apache, mysql etc do not respond at all. When working, telnet servername 22 Escape character is '^]'. SSH-2.0-OpenSSH_5.X Debian-5ubuntu1 And other web services would run fine. When its hung, I can make tcp connections to 22 as well as 80 but receive no response at all. telnet servername 22 Escape character is '^]'. How can I debug this problem? Is there any daemons I can run that will periodically log status? Please tell me as to how to proceed with it. b. The another strange problem is that, of lately I am unable to transfer files larger than around 100KB, smaller files of around 1-2 KB works file. scp anotherserver:filename . or wget http://www.example.com/file would get stuck. There is still around 6GB of space remaining, so I don't think that is an issue. Any pointers where I should look into?

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• Is it possible to provide a wired ethernet connection to external devices with an extra LAN card?

  - by Ben McCormack

  I'm trying to provide a wired ethernet connection (wireless is not an option for this device) to a device (Samsung blu-ray player) without running Cat5 cable all over the home. I have a PC sitting next to this device and the PC is connected to the network via a wireless USB adapter. Is it possible to provide a wired connection from the PC to the wired device using the (currently unused) ethernet port in the back of the computer? Here's how I envision the device getting connected to the internet via my network: Linksys WRT54G v8 Wireless Router | ``--> Windows 7 PC connected via wireless | ``--> Blu-ray player connected via wired connection to the ethernet port on the PC. If so, how is this done? Will I need a crossover cable? What settings will I need to change in Windows 7 so that the device can connect? NOTE: I'm trying to avoid having to buy a wireless bridge and/or hacking a router with an open-source firmware to get this to work. See my previous question for more details.

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• Looking for an application to record audio and video on a linux "embedded" device

  - by Luke404

  I am working with a linux x86 device with limited CPU resources (as a prototype we just use a pentium-m netbook). We'd like to record video from one V4L2 device (we'll probably end up using just USB Video Class devices like all modern webcams) and one audio stream from an ALSA source. The thing will not have screen and keyboard, and obviously no X11 environment. Goals are: do as little work as possible to cope with little cpu resources - for example I'd like to record video in the native MJPEG I get out of the UVC devices encoding audio to MPEG3 Layer-2 (aka mp2) is ok since it let us save a lot of space (compared to raw pcm samples) and does use little cpu power I don't mind loosing some video frames here and there (UVC devices do that) as long as I can get audio and video streams syncronized not require user input to start the thing (a python script takes care of initialization, startup, shutdown, etc...) be able to open the resulting files for postprocessing without too much effort (ie, if mplayer or vlc can play it, it's fine) So far the only app I found that could be started from command line and record V4L2 video + ALSA audio is mencoder but I'm having some difficulties with it. It should be able to do that but I cannot record audio and video together - just one of the two. And if I use two different processes to record to two different files I have no means to get them in sync (audio is more or less always correct, but video framerate will vary over time and it seems to lack timestamps to correctly play it back to the correct time). Long story short, how do you record an unconverted MJPEG stream (from an UVC device) and an audio stream (from an ALSA device, possibly encoding to any standard format) using a command line tool, to a single file (MPEG or any other container), keeping audio and video in sync?

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• HP G61 Laptop wont boot- display stays off, caps and num lock indicators blink repeatedly

  - by Benguy12

  I had my HP G61 laptop running in sleep for a while. When I came back to it about a half-hour later, it was no longer in sleep mode - the power light and the Wi-Fi indicator light were on (I keep Wi-Fi off becuase I use a wired connection) - but nothing was showing on screen. In fact, the display wasn't even turned on. So I let it sit for about 10 minutes but nothing happened. I did a force shut down and rebooted. Instead of a normal boot, the display didnt turn on, the Wi-Fi indicator was off, and the Caps Lock and Num Lock lights just blinked repeatedly. On the external keyboard i use, none of the light indicators were blinking or even on. I tried force shut-down again 10 times, then unplugged all connections except for the power cable (my laptop battery dosent hold a charge for more than 2 minutes, so I always must have a wall connection) and tried to boot again but still nothing happened. I unplugged the battery and even then nothing happened. I also tried booting with the disk drive open, and then with it closed again. On the time it was closed, I was able to successfully boot into Windows, but recieved a "Windows did not shut-down sucessfully" notice. Does anybody know why this may have happened? My PC's specs: Windows 7 Home Premium, 64-bit 4GB of physical RAM, 8GB of vRAM (on a flash drive) AMD Vision x64 processor (don't know any other specs about it) ATI Radeon graphics card, 392 MB DVD-R/W lightscribe drive 2 External hard-disks (first one is 1.5TB, second one is 1TB) custom boot-screen and boot-annimation Standard BIOS apps running before sleep: firefox 10.4 itunes 10.6 adobe photoshop extended CS5.1 rockstar games social club (running in background) microsoft powerpoint 2010 professional edition google chrome I was NOT running Aero or any fancy themes - I was using the normal windows classic theme. I have a desktop icon manager application called Stardock Fences that was also running (it runs as a service/process).

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• What options to use for Accurate bacula backup?

  - by Kiss Stefan

  It's actually 2 question in one. First is a bit more theoretically. So when specifying accurate options how does bacula figure out if a file needs to be backed up ? it's a simple AND ? As in if the options are Accurate = sm5 bacula will not backup the file if ((size = old size) AND (modtime = old modtime) AND (md5 = old md5)) Is that correct ? Do any of the options take precedence ? as in would be a file skipped if modif time is diffreent but it has the same md5sum ? Are there any implied options that you cannot ignore ? Practical case, ( bacula 5.0.1 ) I have to back-up a svn repo, in order to be able to make incremental backups as simple as posible i am hotcopying (client run before) it to another location, that bacula will backup ( then delete it with client run after). Now in the fileset i have Accurate = spnd5 This should tell bacula to take into consideration size , permission bits number of links , decreases in size and md5sum. However , an incremental is also including a full copy of the svn. What am i doing wrong ? it seems that it takes into account creation time even tho i have not specified it.

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• Can Current Backflow from Powered Hub's Adapter & cause PC Damage?

  - by SuperUserMan

  Getting this short: Can current flow from a powered USB hub's power adapter (lying 10 Meter away) back to computer via usb port and cause damage to Computer components like mobo, etc? What should be my concerns? Using a 2 Amp 5V Power adapter to power a 10m Long Active Repeater USB extension cable with 4 port HUB & plugging into PC's Front port, causes PC Chassis fan to keep running (thought slower than regular speed) Front Chassis HDD & power LED to turn on (though bit dim) may be other things which i cant detect/see at chip level, in motherboard?? All this even after PC is shut down (bit scary) More detail (in case still want to read): To run 4 High power (needing 450 mAmps) Wifi Adapters, far away from PC, Bought Active Repeater USB Extension Cable with 4 Ports & power port at far end http://www.ebay.com/itm/33FT-USB-2-0-Male-to-Female-Extension-Cable-Hub-Splitter-Adapter-with-4-USB-Port-/390846115254 Then added a locally bought 2 Amp 240V AC to 5V DC Power Adapter and plugged into USB hub which is a part of & situated at far end of a 10 Meter Active Repeater usb extension cable. Even 4 Wifi Adapters run fine (appear to) using this setup, but running chassis fan, dimly lighted Power & HDD LED, even when PC is switched off is bit scary and surely mean 5V & some current is flowing all though that 10 meter extension cable into my USB port & powering stuff. Can this cause damage? and what should be my concerns. Of course I can't switch off the power adapter (lying 10 meters away from PC) every time I switch off my PC to prevent this.

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• server and user directly connected no pinging...

  - by jtzero

  I have a server(fedora 12) with two nics on it, directly connected to say 192.168.1.0 and 192.168.2.0 the route table looks like this Destination Gateway Genmask Flags Metric Ref Use Iface 192.168.1.0 192.168.1.1 255.255.255.0 U 0 0 0 eth0 192.168.2.0 * 255.255.255.0 U 0 0 0 eth1 eth0 = 192.168.1.15 eth1 = 192.168.2.1 and a directly connected user (Mythdora) on the 192.168.2.0 network with ip 192.168.2.2 and route table like so Destination Gateway Genmask Flags Metric Ref Use Iface 192.168.2.0 * 255.255.255.0 U 0 0 0 eth0 the cable is a crossover and it works all three nics work -- connected my laptop to either end and assign it a valid 192.168.2.0 ip the pings will work. In fact if I disconnect the server side and plug the eth cable into the laptop and have thte box ping the laptop continually remove the eth cable and plug it back into the server both sides ping... unfortunately the box realizing it's connected to a different pc wipes its route table after say ten minutes or so. if I do a trace route from a box on the 1.0 network to the servers 192.168.2.1 interface never get a reply from it. as a note at one point I could ping the server from the 192.168.2.2 box but the server couldnt ping the 192.168.2.2 box.

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• Chrome browser completely messing with network?

  - by kiasecto

  I have a bizare problem with Google Chrome on a intel core i5 running windows 7 32bit. Whenever chrome is installed, access to other computers in the home group becomes really slow - such as opening shares. Its becomes really slow to resolve windows names. Something goes hay-wire with the local network - pining local machines which is usually 0mS pings I get random timeouts and random successes. Whenever I try to load a local address inside of chrome (including localhost, 192.168.0.1 etc) - it always says something in the status bar about resolving proxy and times out after about 5 seconds, then seems to work fine. If I go to settings inside of chrome, it just brings up the internet explorer connection settings, where I have not set any proxy settings. One I uninstall chrome, all these problems go away. Network shares and name resolvings work instantly, pings to any machines never have a problem. Localhost and other network IP address work fine in all other browsers. Anyone heard of this problem before and know what it might be? I even tried re-installing winodws 7 and the problem came straight back when chrome was loaded on again.

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• SQL Server Backup modes, and a huge log file

  - by Matt Dawdy

  Okay, I'm not a server administrator, a network guy, or a DBA. I'm merely a programmer helping out a small company. They have IT guy who isn't MS centric (most stuff is on Mac) and he and I are trying to figure out a solution here. We've got 1 main database. We run nightly full backups. I know they are full backups because I can take the latest file, or any of the daily backups, and go to a completely new machine and "restore" the backup to an empty database and our app runs perfectly fine off of this backup. The backups have grown from 60 MB to 250MB over 4 months. When running, then log file is 1.7 GB, and the data file is only 200-300 MB. Yes, recovery model is set to full. So, my question, after all of that, if we are keeping daily backups, and we don't have the need / aren't smart enough to roll the DB back to a certain time, if I change the recovery mode to simple, am I really losing anything? And, if I do change it to simple, will it completely dump the log file or at least reduce it way the hell down? And, will that make our database run faster? I know that it'll make my life easier when I copy a relatively recent backup to my local machine to do development and testing...

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• What is the best way/Software to manage multiple short lived instances of virtual machines ?

  - by Newtopian

  Hi, We have a QA department that have to test our software on multiple combination of OS and DMBS. With Windows spewing out many different versions the combinatorial math of all this can be daunting. So we decided on visualizing our setups but so far it only displaces the problem. The cost of hardware is expensive and we need many different combination far exceeding your server capacity to deliver. Also, these instances are throw away, once the test is complete we no longer need it, furthermore to ensure proper test isolation we should start fresh from a new instance. Lastly we only need a small subset of these system online at any given time. What I am looking for is a way to manage inventory so that our QA staff can order instances to be put online as required and discarded once used. Instances are spawned from a pool of freshly installed systems with the appropriate combination ready to accept our software. It also should be possible for two or more people to start the same instance at the same time, though we could manage without this if it proves too complex to put in place. Finally our budget is pretty thin, we can probably make some purchases but ideally expenditures should be kept to a minimum. To summarize we should be able to : Bring instances online on demand. Ideally should offer queue and scheduling management Destroy instances on demand Keep masters in inventory but not online. Manage large inventory of VMs (30-100 maybe more) with small staff of users (5-10). Allow adding, deleting and changing instances from inventory (bring online, make changes and check back in, or create new and check in). Allow few long lived instances for support tools (normal VM server usage) Thanks for your answers

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• Concatenating ogg video files from the command line

  - by Noufal Ibrahim

  Okay. I've got a few ogg files I've created using a desktop recording tool. I've transcoded them using ffmpeg once (mainly to clip out the beginnings and the ends). Now, I have 3 such files which I want to concatenate into a single .ogv file. I tried using oggCat, it crashed with some kind of error (I tried concatenating a file to itself using oggCat and that failed too leading me to believe that my distro is shipping a broken version of the package). Simply cating the files works but I can't seek which is not cool. mencoder run like this mencoder -ovc lavc -oac lavc file1.ogv file2.ogv file3.ogv -o complete.ogv. It transcodes the files into an avi and clips off a little of the 3 videos. So, how do I do this? Update 1: My current workaround is to transcode the 3 files into .mpg using ffmpeg, then cating them together and then transcoding them back into ogv. Update 2: PiTiVi works for this kind of thing but I need something from the command line that I can automate and script.

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• VMWare converter performance

  - by bellocarico

  Hello, I have a question about my test lab. It's more to understand the concept more than apply this into production: I have an ESXi with few VMs linux/windows configured and I'd like to use VMWare converter to create backups. To speedup the process I decided to create a Windows VM on the same ESXi host where I've installed Windows 7 and VMWare Converter. The Host has a gigabit card but it's currently connected to a 100Mb FD port. Windows 7 sees a 1gb card connected. When I do the backup using VMWare converter I specify the host IP as source and destination, so I thought the copy could be faster then use my laptop across the network. Well, to cut a long sotry short: I get dreadful performance (4Mb/sec). I'm a buit confused on this because despite the fact that the host is running 100Mb communication between VMs and hosts shouldn't (correct me if I'm wrong) have any limitation instead. I did tweak windows 7 to optimise network performane but I got just a little improvement. i still need 4 hours to back up a 50Gb (thin) VM. Additionally I wanted to ask: Would jumbo frame help in this? I know that jumbo frame have to be supported end to end, and the network switch where the host is currently connected doesn't support this, but I was wondering: 1) Does ESXi host support jumbo frames at all? 2) Can I enable it somehow? 3) If I do so, I guess bulk transfert between VMs and host would improve, but would this affect the communication going through the real switch as this doesn't do jumbo? Thanks for reading

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• What could cause TFTP reloaded Cisco `running-config` on 871 to fail?

  - by xtian

  Cisco CCP Write Configuration borked my 871w config while I was trying to setup port forwarding. I went through the basic steps to reconfig the router. I looked to see if I could just reset the router. Nope. I tested the 871's flash memory with fsck to see if there was hardware failure. Nope. Then I rewrote the minimal config for TFTP (which is the same for Cisco's CCP app.). Thne, I successfully uploaded a previously working running-config from Win Vista using SolarWinds TFTP Server, unfortunately the restore was not entirely successful. The old running config was saved to the 871's startup-config and I can login using console port. Some other things that are working are the hostname and welcome message but that's about it. Startup shows an error SETUP: new interface NVI0 placed in "shutdown" state after tftp. The missing light on the access point modem for ethernet link show the 871'a outside FE4 is not working. SO...what's the possible problem with reloading a previously working config (approximately 4 months with the same config) via TFTP? Is there something I can look for on the 871 to verify the config? Or on Vista to validate the config file itself before I transfer it? Or, is this there a common TFTP issue? UPDATE. I missed the instruction from Cisco's TFTP page to delete aaa lines from the config (although a video from a SuperUser user didn't make this point in his most excellent demo). There were several lines of this sort, I deleted them and uploaded again. However, they're back. I assume they're added automatically? [nope, see answer] UPDATE 2. The reload of previous settings was successful, but this error remains. I don't even know now if it was there before or not. It seems irrelevant to the question.

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• What is causing sudden freezing during running real-time program?

  - by Trevor Boyd Smith

  So I run a high intensive (CPU/GPU) real-time program. During normal execution suddenly everything freezes for 1-4 seconds. I opened "Process Explorer" in the background to help gain insight and maybe identify something. Here is what the CPU/GPU graphs looks like when I align them in time: Notice the 4 distinct drops in both the CPU/GPU. You can see that it goes from some sort of positive CPU/GPU usage to almost zero. These drops in the graph align with when the real-time program suddenly freezes. How do I find what is causing these sudden drops? NOTE: When you put your mouse over the graph it tells you the time, accurate to the second, for where your cursor is. Maybe this mouse over feature could be helpful in some way (e.g. what if you had a log of all processes every 100ms). EDIT: The real-time program is a video game and so I can't watch some sort of instrumentation while the video game is running. I need a solution that let's you look back in time somehow to see what was happening when the slow down occurred. EDIT: RE - Recording Data vs using real-time monitor: So the windows performance recorder is for some reason not recording what I expect it to record. So I switched to using "perfmon" and then opening it's "resource monitor". RE - Setting it up so I can view real-time monitor: In the video game I set it to spectate and then put the video game in "windowed" mode so that I can view the real time display that Resource Monitor has. Now that I can get semi-real time (only once per second... how do you get more than once per second?) I started looking at the various real time data readouts. Getting to the cause: I noticed a strong correlation in high disk IO and low CPU usage (which is also seen by having in-game freezing). How do you use resource monitor to find out who is doing all this offending disk IO?

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• how would it be possible to discover a cable modem's MAC remotely?

  - by amateurenthusiast

  i was reading the back archives of a canadian privacy law blog, and he linked to a judicial decision. apparently as part of an investigation in which were used yahoo chat and google's old 'hello' image trading program the officer was able to determine a suspect's modem's MAC address: In order to determine who STEPHTOSH was, the officer did a trace on a programme called WHO IS in an effort to learn from where STEPHTOSH was coming. WHO IS is a command program available to the public. The officer was able to ascertain that the person using the name STEPHTOSH was a Rogers Internet customer. The officer was able to obtain the Internet Protocol address, also known as the I.P. There is only one location for an I.P., which is unique to that subscriber. By use of the website known as DNS STUFF.com, one is able to find with which company this I.P. is registered. It was ascertained that the I.P. address used by STEPHTOSH was registered to Rogers Cable, from the Toronto area. The officer also learned the Cable Modem MAC address used by STEPHTOSH. This was all the information the officer was able to amass. now it was my understanding that the MAC address of any given device can only be accessed if you're only one 'hop' away on the Internet. the suspect in question was in Markham and the officer part of the Toronto Police, so it's conceivable that they both might have used Rogers internet. but would that still put them only one 'hop' away from each other? i thought the first hop after the modem was usually the ISP? and if he'd used a netBIOS query against this guy's machine it would return the ethernet card's MAC, not the modem's. so is this guy on the same rogers subnet as the suspect's cable modem, is that functionality part of google's Hello (i could only think that it would be possible if Hello operated as a virtual LAN or something), does the officer have remote access to the arp caches of the routers at Rogers or is he just full of crap and lying to make his case stronger?

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• Error during Time Machine backups on OS X Lion

  - by user92401

  After I turn on my machine, the first couple of Time Machine backups seem to go OK, but after about an hour I get this error: Unable to complete backup. An error occurred while creating the backup folder. Latest successful backup: 7/31/11 at 12:32 PM I'm running 10.7. Time Machine is backing up an internal HD to an external USB HD. I've already run Disk Utility to repair the Time Machine partition. It's a relatively new hard drive and didn't have any issues. Here's what I've found in the Console's log filtered for backupd: 7/31/11 12:31:21.223 PM com.apple.backupd: Starting standard backup 7/31/11 12:31:21.447 PM com.apple.backupd: Backing up to: /Volumes/MyMac TM Backup/Backups.backupdb 7/31/11 12:31:29.146 PM com.apple.backupd: 983.7 MB required (including padding), 391.90 GB available 7/31/11 12:32:19.471 PM com.apple.backupd: Copied 3156 files (36.0 MB) from volume Macintosh HD. 7/31/11 12:32:20.017 PM com.apple.backupd: Copied 3173 files (36.0 MB) from volume LI. 7/31/11 12:32:20.136 PM com.apple.backupd: 934.8 MB required (including padding), 391.86 GB available 7/31/11 12:32:54.755 PM com.apple.backupd: Copied 916 files (117.8 MB) from volume Macintosh HD. 7/31/11 12:32:54.894 PM com.apple.backupd: Copied 933 files (117.8 MB) from volume LI. 7/31/11 12:32:55.937 PM com.apple.backupd: Starting post-backup thinning 7/31/11 12:32:55.937 PM com.apple.backupd: No post-back up thinning needed: no expired backups exist 7/31/11 12:32:55.960 PM com.apple.backupd: Backup completed successfully. 7/31/11 1:21:28.624 PM com.apple.backupd: Starting standard backup 7/31/11 1:21:28.631 PM com.apple.backupd: Backing up to: /Volumes/MyMac TM Backup/Backups.backupdb 7/31/11 1:21:28.682 PM com.apple.backupd: Error: (22) setxattr for key:com.apple.backupd.HostUUID path:/Volumes/MyMac TM Backup/Backups.backupdb/Will’s Mac Pro size:37 7/31/11 1:21:28.683 PM com.apple.backupd: Error: (22) setxattr for key:com.apple.backupd.HostUUID path:/Volumes/MyMac TM Backup/Backups.backupdb/Will’s Mac Pro size:37 7/31/11 1:21:38.694 PM com.apple.backupd: Backup failed with error: 2

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• CentOS Latency High Troubleshooting

  - by Sarah Weinberger

  I have two CentOS servers connected via a 10 Gb fiber optic cable with a network emulator connected between them. All three units sit on a desk in the lab. There is also a regular 1 Gbit Ethernet cable connected to each of the machines, which provide internet connectivity. When I set the latency to something roughly below 30 ms, all is fine. When the latency gets to 70ms and above, and definitely 130ms, the network layer suspends. For instance, if I set the latency (delay) to 70ms, then launching TeamViewer (or any other application that uses network connectivity) never happens or does not work. There is no timeout message, simply no response. I have to lower to latency back down to zero to see any response and have the box start working. What is the problem and how would I go about fixing it? It seems to me some sort of setting in Linux causes one of the CentOS networking drivers to sit in an infinite loop or something. eth0 is the connection to the internet, all settings are default eth2 is the 10 Gbit fiber optic connection to the other computer with the MTU set to 9600 with all other parameters at default values.

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• Windows 7 Not Recognizing Camera Nor iPhone as Camera

  - by taudep

  I've been struggling with this one for a few days. I've recently upgraded an older computer to Windows 7 Home Premium. Neither my digital camera (A Canon SD1200IS) nor iPhone are ever detected as cameras, nor ever show up as accessable in Explorer. With the Canon camera, no driver is required. It's supposed to work with the default Windows 7 drivers. However, in the Control Panel's Device Manager, I'm always seeing a yellow icon next to the "Canon Digital Camera" device. I've uninstalled the device and let Windows attempt to reinstall, but it can never find a driver to install. With the iPhone, it's very similar. One big difference, though, is that iTunes can see the iPhone and back it up, etc. However, again when I go to the Device Manager, there's a yellow icon next to the iPhone. I've uninstalled iTunes, reinstalled, rebooted, deleted drivers, and let Window try to reinstall the driver, but it can never find the driver. So there seems to be some correlation that my machine can't detect cameras properly, and that it might be even a lower-level type of driver I'm struggling with. I know that USB however, does work, because I have have an external drive hooked into the machine. I've gone through the web and tried two hours worth of fixes, without success. I feel like if I can get the Canon camera detected, then the iPhone will be on it's way to being fixed too. BTW, I couldn't really find anything of use in the Event viewer. Any and all suggestions welcome.

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• Emptying Windows temp folder is a good idea?

  - by Siva Charan

  Am using DELL Inspiron with Windows 7. As far as I know emptying the windows temp folder would be good. But I faced a strange behaviour around 8 months back, when I clear my windows temp folder. The next day onwards, my laptop starting displaying daily one or other errors and one day OS got crashed. Till now I am not sure whether OS got crashed due to clearing the windows temp folder or something else is problem. Here Windows temp folder mean "C:\Windows\Temp" This is the behind the story. Today, this temp folder "C:\Windows\Temp" contains 102 GB Most of the space occupied by the files starts with etilqs_*.*. I came to know that these files are generated due to WD SmartWare. Now my problem is:- Actually I want clean up this folder, since it occupies lot of space. If I clean up "C:\Windows\Temp" folder, will my laptop face the same kind of problem which I faced earlier OR Any new problems will occur? Please suggest me a good solution.

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• How to fix Quicktime video color problems on nVidia chipset and Windows XP?

  - by Matthew Glidden

  My laptop frequently plays video as if in very low-color mode. Though the sound remains clear, it looks terrible, showing only a few shades of red, blue, or yellow. (It's even worse than 8-bit color.) The problem doesn't happen consistently, so I'm looking for troubleshooting advice or known solutions. I use a Dell Latitude D620 laptop with Windows XP, on-board nVidia video chipset, Quicktime, and multiple monitors (laptop screen + VGA-connected LCD). Color problems happen in each application I tried, iTunes, a browser, and the Quicktime standalone player. It doesn't happen right after reboot, so could be from a sleep-wake cycle, or at least being on for an extended period. Google results suggest reinstalling nVidia drivers, which I've done several times with no change. I have found 2 workarounds. Reboot, sacrificing significant time and disrupting work In nVidia control panel, change color to 16-bit, and then back to 32-bit This happens with all video playback, so it's definitely not one corrupt file. I use workaround #2 consistently, but would love a longer-term solution.

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• pxe boot dos 7.x / 8.x on modern mainboard without floppy controller

  - by GitaarLAB

  How to pxe boot MS DOS 7.x / 8.x on a modern pc (mainboard without floppy controller) without using an external usb floppy drive? MS DOS 6.22 and earlier or other flavors pxe boot just fine on floppy-less hardware. But DOS 7.x and 8.x renders an error on boot: "Type the name of the Command Interpreter (e.g., C:\WINDOWS\COMMAND.COM) I read somewhere during research this was a rather unknown error, that started to become more common due to the advent of floppy-controller-less hardware. On some hardware (bios dependent) one could plug a usb-floppy-drive in the computer before booting (but that MIGHT also require it to be a "golden floppy drive" (as they where called back then). From a russian site (I read about a year ago and cannot find the hyperlink) MS-Dos versions 6.22 did some-kind of floppy-drive reset during initialization and since it couldn't connect to the floppy-host thus the error. How can I resolve this (without a physical external usb floppy)? Might there be some kind of virtual floppy-driver that could resolve this (for example to be loaded before the dos image loads)? Or could someone point me into the right direction (maybe even a hex-address and some further explanation or something)? I'm using syslinux by the way.

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• Setup: Eclipse in Ubuntu with Apache2 and Subversion

  - by Ricalsin

  Trying to setup Eclispe. I am running ubuntu 10.10 (Maverick). Apache2.2.16 Subversion 1.6.12 The Eclipse help/about/installed software says: Eclipse Platform 3.5.2 Subclipse 1.0.0 Version Control with Subversion 1.1.1 The Subclips wiki I followed is here I have installed the libsvn-java app as discussed. I added the line "-Djava.library.path=/usr/lib/jni" to the eclipse.ini file I checked the Eclipse help/about/confirguration settings and both of these lines are listed: eclipse.vmargs=-Djava.library.path=/usr/lib/jni java.library.path=/usr/lib/jni I checked that those files are in those directories. Still, when I check the preferencesteamsvn an error dialog shows: Failed to load JavaHL Library. These are the errors that were encountered: no libsvnjavahl.1 in java.library.path Incompatible JavaHL library loaded 1.3.x or later required I followed the "Testing JavaHL libraries" troubleshooting section at the bottom of the wiki: I downloaded the tarbal and ran it in a folder on my desktop with no problems. Then, I followed the instructions and placed that file INSIDE the path (usr/lib/jni/testJavaHL) and ran it from there. There are 50 tests performed and each one of them came back with this same error (posting only one for brevity): 50) testCommitRevprops(org.tigris.subversion.javahl.BasicTests)java.io.FileNotFoundException: /usr/lib/jni/testJavaHL/local_tmp/greek_files/iota (No such file or directory) at java.io.FileOutputStream.open(Native Method) at java.io.FileOutputStream.<init>(FileOutputStream.java:209) at java.io.FileOutputStream.<init>(FileOutputStream.java:160) at org.tigris.subversion.javahl.WC.materialize(WC.java:70) at org.tigris.subversion.javahl.SVNTests.buildGreekFiles(SVNTests.java:303) at org.tigris.subversion.javahl.SVNTests.setUp(SVNTests.java:222) at org.tigris.subversion.javahl.RunTests.main(RunTests.java:111) FAILURES!!! Tests run: 50, Failures: 0, Errors: 50 Any ideas as to how/why the "local_tmp/greek_files/iota" is appended to the directory? I assume that's my problem.. I'm also having a problem with newrepository location = ...as the directory location of my svn repository is one level above the home directory - which is prepended to whatever I place in the dialog box - resulting in this error: svn: '/home/ricalsin/file:/home/svn' does not exist Thank you for any help.

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• Computer hangs at boot screen with new RAID card

  - by shanethehat

  I am trying to build a new server around a Biostar TH61 motherboard and an Adaptec 6405E RAID controller card. The machine booted fine from USB before the RAID card and drives were installed. After installing, on the first boot the card was detected, but then started to spit out the following message every 10 seconds: Error: Controller Kernel Stopped Running << Press any key to continue ... Following the troubleshooting guide I unplugged everything, reseated the card, and reattached all the drives. This time the machine is sitting on the boot screen without any error messages and flashing a cursor, but after 15 minutes of this, nothing seems to be happening. Given that there are no error messages I'm hesitant to reboot again. Is it normal for a RAID card to sit without a status message when it firsts boots, maybe to initialise the drives or something? The current screen output looks a bit like this: Controller #00 found at PCI Slot:01, Bus:01, Dev:00, Func:00 Controller Model: Adaptec 6405E Firmware Version: 5.2-0[18512] Memory Size: 128MB Serial number: 111111111111111 SAS WWN: 50000D1104AE9180 _ Update: So after waiting 30 minutes I've rebooted back to the Kernal Stopped Running error. Maybe time to update the RAID BIOS.

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• Using psftp to upload and download files

  - by macha

  Hello I am trying to upload and download files from my desktop to my server. Now after some search I did download psftp. I used to use filezilla earlier, but I cannot install it on my desktop due to a few reasons. Since psftp (similar to putty) is just an executable for file transfer. So now after going through this link http://www.math.tamu.edu/~mpilant/math696/psftp.html. I understood that put and get are two commands I would use to download and upload files. Now when I logon to the server and say get filename, it actually is throwing back an error "local: unable to open filename". I tried that with other files too, and I end up getting the same error. The psftp.exe file is on my desktop. The process that I am using is I double click the .exe file open "servrname" cd /path/where/files/are get "filename" And I get this error "local: unable to open filename". Am I making a mistake or is it a problem with this executable?

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