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• Ubuntu Server login not recognizing the keyboard after entering username.

  - by Jeff Malewski

  I'm having similar issues with logging into ubuntu server. chief problem is that once I enter my user name & hit enter, I can't enter anything ffor my password - it won't accept any keystrokes until I press Ctrl+any key. Once I've pressed Ctrl+ any key, I'm able to type again, but have never been able to enter any more than 3 characters before the 60 sec time limit. This problem is present on fresh installs of both 10.04 & 9.10. Part of the problem is lkely to be my antique pc which is an old Emachines Trigems I850 based mbd and an equally ancient Nvidia 4x AGP video card. Initially I was going to install Ubuntu 10.10, but with ORCA running with both screen reader and full screen magnification crashed the system & smoked a stick of Rambus memory. Is there any fix to this problem? Jeff

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• Cheapest server to run Windows 2008 R2?

  - by chopps

  Hey Everyone, I want to build a really cheap server to use for testing etc but don't want to spend alot of dough. Any recomendations on what kind of home pc/server would work for these requirements? Any place to get refurbs at a good price? Component Requirement Processor Minimum: 1.4 GHz (x64 processor) Note: An Intel Itanium 2 processor is required for Windows Server 2008 for Itanium-Based Systems Memory Minimum: 512 MB RAM Maximum: 8 GB (Foundation) or 32 GB (Standard) or 2 TB (Enterprise, Datacenter, and Itanium-Based Systems) Disk Space Requirements Minimum: 32 GB or greater Foundation: 10 GB or greater Note: Computers with more than 16 GB of RAM will require more disk space for paging, hibernation, and dump files Display Super VGA (800 × 600) or higher resolution monitor Other DVD Drive, Keyboard and Microsoft Mouse (or compatible pointing device), Internet access (fees may apply)

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• What is the computer "doing" when it is running slow and task manager is not showing any CPU activity?

  - by Joakim Tall

  Typical example is when shutting down a memoryintensive application. It can take quite a while before the computer gets back up to speed. Is there some inherent cost in releasing memory? Or is it throttled by some kind of harddrive activity, and if so is there any good way to track that? I usually bring up task manager when a computer is running slow, and usually sorting by cpu activity can show what process is causing the problem, but sometimes there is no activity showing. And yes I "show processes from all users", I have been wondering this since the days win2k :)

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• How to correctly set up iWARP? Preferably on loopback

  - by ajdecon

  iWARP is a protocol for doing remote direct memory access (RDMA) on top of TCP/IP, so that it can work with Ethernet and other network types as opposed to Infiniband. It works with many of the standard IB interfaces - the IB verbs, for example - so it's all pretty transparent. I'm doing some IB-verbs programming (mostly for the sake of learning about how they work better), and it'd be wonderfully convenient for me if I could use iWARP to do RDMA over my loopback interface, so that I could test some of my code without getting on our IB-connected cluster. :-) But I cannot figure out how to get a "local development environment" set up: there are no tutorials I'm aware of for even setting up iWARP from scratch on a server or a network interface. Can anyone give me a tutorial or point me in the right direction? Environment is Fedora 16 running in VirtualBox.

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• Ways to remotely reboot a Linux system

  - by dualed

  I had a remote server running Debian Sarge that experienced some HDD failure and I meant to reboot it hoping that fsck could repair the errors automatically. I eventually drove out there and replaced the faulty disks... But I was wondering: What other ways are there to force a Linux system to reboot that do not require hard drive access? What I had tried: shutdown -r now Did not work, as shutdown is a program that would have to be loaded from disk, the error shown in the terminal was bash: /sbin/shutdown: Input/output error init 6 same as above telinit q same as above kill -2 1 This did not print an error, but did not work either. (However, it is possible that the Sarge init did not implement SIGINT, the sarge manpages did not mention it. So it could work in a more recent version of Debian) This guide on PCFreak.net. However, this failed at sysctl, which was not in memory either.

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• Can't run Ubuntu from disc

  - by alex

  When I place the boot CD in my CD drive and boot from it, I get the Ubuntu menu. I have these options Try Ubuntu without any change to your computer Install Ubuntu Check disc for defects Test memory Boot from first hard disk I can use the cursor keys to select them, and I can push F1 for help etc. However, I can not select an option. I've highlighted the first and tried enter, space bar etc. I do have a KVM, so I plugged in a 2nd USB keyboard and tried it but no go either. I can push escape and then got to the prompt. Am I doing something wrong?

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• listing of VM's created before libvirt installation or started by any other VM management tool

  - by Dr. Death

  if my VM's are not created using virt-manager or are created using any other tool, then virsh system list command does not give them in the list of running VM's however they are running perfectly on my KVM server. Is there a way to list these VM's in my system list anyhow? I have VM's managed by GKVM, AQEMU, libvirt etc. also some of the user start their VM's using the qemu command as follows: kvm "image name" -m "memory". this starts the VM and allow them to work perfectly. but I am not able to list all these VM's using the virsh system list command.

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• CPU?: Not responding

  - by James

  I'm attempting to build a system for co-location. I've been running into issues while trying to install CentOS 6.3 System Specs: Motherboard: ASUS m5a99x Process: AMD FX-8120 (8-core Bulldozer) Memory: 2x 4gb G-Skill 2133 running at 1600 I keeps giving me an error message: CPU1: Not Responding. CPU2: Not Responding. CPU3: Not Responding. CPU4: Not Responding. CPU5: Not Responding. CPU6: Not Responding. Then it instantly restarts. I have tried installing it from USB, Multiple DVDs, Multiple Distros. I have also in the bios attempted to disable cores. I was able to disable 2/3 4/5 6/7. I have also ensured that there is zero overclocking. The system works fine in a windows environment. I'm out of ideas.

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• Currently well suited SATA2-SSDs for Laptop usage

  - by danilo

  I am looking for a solid state drive for my laptop. My dillemma: I have been waiting for the new Intel SSDs since Q3/2010, as I've heard they should be better and cheaper, due to lower memory manufacturing costs. Now it looks like the new Intel drives are very fast, but still expensive. I would still buy one of them if I could benefit from the full speed. My hardware only has a SATA-2 port though. Thus, my question: Is it worthwhile to buy one of those new Intel SSDs made for SATA-3 if I won't be able to use the full speed? Are there any other promising new SSDs that will be released soon? (Inside the next 1-2 months) If I wouldn't make a good deal buying the newer, faster drives, what drives can you recommend? I don't consider this question subjective, as I am mainly looking for answers concerning the SATA-2/SATA-3 conflict.

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• How do I recover lost/inacessible data from my storage device?

  - by TomWij

  What steps can I take to try to recover lost or inaccessible data from any storage device? Answers: This applies to any main storage devices; eg. internal/external hard drive, USB stick, Flash memory. The most important thing is to STOP using it, any type of I/O can ruin your chances of a recovery. Click here in case you suspect corruption or bad sectors. Click here in case you suspect mechanical issues.

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• Lightweight monitoring for a Windows XP laptop

  - by kazanaki

  Hello I have a windows XP laptop in a remote location. I would like to have an overview for CPU/Memory statistics from a remote location. Monitoring a specific service (a Tomcat instance) would be nice but not essential. I have seen the monitoring solutions (Nagios, cacti e.t.c) and they are all very heavy. I do not want to install mysql, web server and other stuff like that on the laptop. I don't even need a web solution at all. It could just be a simple command line app with a server port and on my machine another GUI application would connect there (and not a web browser) Is there something like this available?

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• Optimum number of threads while multitasking

  - by Gun Deniz

  I know similar questions have been asked but I think my case is a little bit diffrent. Let's say I have a computer with 8 cores and infinite memory with a Linux OS. I have a calculation software called Gaussian that can take advantage of multithreading. So I set its thread count to 8 for a single calculation for maximum speed. However I really can't decide what to do when I need to do run for instance 8 calculations simultaneously. In that case should I set the thread count to 1(total 8 threads spawned in 8 processes) or keep it 8(total 64 threads spawned in 8 processes) for each job? Does it really matter much? A related question is does the OS automatically does the core-parking to diffrent cores for each thread?

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• Force a Windows 7 user to change password when it has expired

  - by Joshua King

  Is it possible to force users (on Windows 7 PCs) to change their password once it has expired? Currently our users get notifications that their passwords will expire in 7, 3, 2 and 1 days but once the password has expired they are still able to log into their machines with the expired password. Most of our users ignore the warnings and don't change their password until we tell them they have to (when they ring Help Desk asking why their email and intranet isn't working). From memory, Windows XP machines would show a message at login that the password had expired and then offer the change password screen. Is it possible to do the same thing under Win7? Similar to how if you set a user's account to "must change password at next login" it gives the change password screen automatically.

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• Multiple Instances of aspnet_wp.exe?

  - by Mike Keller

  Is this normal? I was poking around Google and from what I found it should be, but we have 60 of them going, and only two .NET apps running on this particular server. All of them are at 0% CPU and at about 3meg of memory usage. We can't really restart the server right now to see if that clears them out, we store a lot of data on it that people need regularly. Any clues for investigating this issue would be appreciated. This particular box is an oldie Windows2000 and .NET 2.0 Thanks.

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• Installing 2 DDR3 Sticks in MB with 4 Slots

  - by The Sasquatch

  Hey everyone, I just put together my first system that uses DDR3 memory. The motherboard I got is an ASUS M4A77T/USB3 and it has 4 DDR3 RAM slots. Looking in the manual for the MB it doesn't say anything about how to install the RAM as far as matching the pairs goes. I have 2 4GB sticks of RAM, and whether I put the sticks next to each other (of the 4 RAM slots, there are two blue ones next to each other and 2 black ones next to each other) or space them apart, The BIOS still shows that I have 8GB installed. I have been getting an IRQL_NOT_LESS_OR_EQUAL BSOD error, and have read in some other places that it could be hardware/RAM related. Does the RAM need to go in the A1, A2 slots (different colored but both A), or the A1 B1 slots? (A1 B1 are both the lovely blue color.) Any help would be awesome. THANKS!

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• EEE PC 701/4G Surf Internal Drive: Is it really SSD?

  - by Bart Silverstrim

  I have an old EEE PC with the 4 Gig internal drive. Everything I've read keeps saying it's an SSD drive; running lshw tells me that it's an ATA disk, Silicon Motion SM. The thing seems to be rather slow, though. I know it has a 900 Mhz Celeron processor and only 512 meg of RAM, but it seems like drive access is slow even for those specs. Does anyone know if it really has an SSD drive? I thought that compared to regular hard disks SSD's were blazing fast, and this feels like and acts like it's pulling from something more akin to an internal USB memory stick.

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• Custom one-key keyboard shortcuts in Outlook 2010?

  - by cksubs

  I'm a gmail junkie, and one of my favorite features is the keyboard shortcut "a" inside an email to archive the message. I can't remember if that was the default or if I set it to such a quick little keypress, but by now it's totally ingrained in my memory. I'm setting up Outlook 2010 for work, and set up a similar "quick step" to archive, mark as read, and mark as complete any email. It would be great, except for keyboard shortcuts they only give the option for "CTRL + SHIFT + 1" and other number key options. With a keyboard shortcut that convoluted, I'm not going to remember it and might as well just reach for my mouse. Is there any way to set custom keyboard shortcuts for Outlook 2010? I want one-key shortcuts, not 3-keys-at-once!

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• How can I launch RemoteApp on Windows Server from server itself at startup

  - by Rusted

  I have Windows Server 2008 R2 with RDS and custom desktop (GUI) application installed on the server. The app is started as RemoteApp on server by user from his desktop computer (or, sometimes, he can work from notebook over VPN). Some details about environment: the server automatically shuts down every evening and automatically power-on every morning (this is a requirement) desktop application do some precalculations/precaching on startup and it can take lot of time mentioned application have some memory leaks, so I can't use hibernate instead of shutdown When user launching this app from his computer, he can't start work with it until this app finishes pre-initialization. Is there any way to start RemoteApp session at the server startup (without actual user logon), so that the user could connect to this session from his computer later? I don't want to involve the user's computer to make it work. I have tried to do it by Windows startup script, but have no luck - starting RDP session requires actual user session.

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• Google Chrome gets really slow on 10+ open tabs

  - by Anton

  For some time already I face a problem with Google Chrome. I really love this browser, but on Windows 7 on a pretty decent machine (i5, 4GB RAM) it gets REALLY slow when I open for instance 10 techcrunch.com pages. Once I do that it becomes virtually difficult to scroll through pages and the general responsiveness of the browser gets down. And if I open 20+ or 30+ tabs there is a good chance all of them will crash. Does anyone got an idea? This happens to me on several PCs with Windows 7 64bit. At 10 tabs there is 600-700MB memory used by Chrome. Two systems have the issue are both laptops with integrated graphics. One by Intel, the other an nVidia GeForce 310M.

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• What are some good methods to improve personal password management?

  - by danilo

  I want to improve my personal password management. I usually use secure passwords, but overuse them for too many different places. My questions: What methods do you use to create passwords, e.g. for different online sites/logins? What methods do you use to remember those passwords? Memory? Pen&Paper? Software storage? Is there some good way to store my passwords somewhere, so I can always have access to them when I need them (e.g. a webbased solution on my own server) but at the same way keep them away from unwanted access? Edit: Someone on another site mentioned http://passwordmaker.org/. Have you had any good or bad experiences with that software?

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• How to disable VGA on new server... reversibly?

  - by Javawag

  Strange question here. I have a server with 1GB of RAM, however when booted this shows as 768MB. I've discovered the reason for it – and that is that it has an unboard graphics card which shares memory with main RAM. Running Ubuntu Server, it doesn't actually ever use anything graphical – it's all set up to be SSH'd into and therefore there's no need to use the VGA. I believe there may be a setting to switch off VGA/graphics card in BIOS, but my question to you guys is: is this recommended? and if I turn it off, then how would I turn it back on again in BIOS (given that with it off, I wouldn't be able to see the option to turn it on as there would be no graphics output!!)?

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• What emulator / VM software can I use to create a Win32-portable Linux Guest?

  - by Jotham

  Hi, I want to create a portable VM setup so that I can boot a Linux install regardless of which Windows XP / Windows 7 host machine I am on. I was looking at Qemu but it doesn't appear to have a relatively safe win32 build. Other things like VirtualBox require complete install on the host OS for performance reasons. I'm not so concerned about performance, I just want to run a few curses based applications. My ideal end goal would be a a memory stick of some size with a VM/Emulator I can boot on most WinXP/Windows 7 machines and access my own curses based applications (probably archlinux or debian). Any help would be appreciated. Regards,

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• mac osx script - find mounted disc with name, copy file from desktop to it, when copy complete, unmount disc

  - by Joshc

  Is there some kind of mac script which finds a newly mounted disc drive that has the name 'EXAMPLE', then copies a file/folder to it and safely ejects the disc when copy has finished? I don't mind if the script needs to be executed by a short cut. And will it work if there are multiple drives plugged in? The reason I am asking is becuase i have 5000 usb memory sticks that I need to copy about 20mb worth of data to it. Thanks in advance for any ideas.

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• Restrict Overriding memory_limit in php.ini

  - by Rohit Batra

  We have a issue that just came to our notice, some of our developers used ini_set('memory_limit', -1) to over-ride the php.ini memory_limit settings in their code files. Due to which sometimes our Memory/CPU usage is way far more than usual and we even have experienced server hanging/crashing many times. Is there any way to restrict these changes for certain params like memory_limit, upload_max_filesize & post_max_size? Users should not be able to edit them after a certain limit set? Sorry if i asked a dumb question, tried searching but there was no reference to this only found answers asking for increasing these parameters.

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• Recommendations for VMWare web server environment with load balancer.

  - by Ben

  We run IIS websites on a VMWare production server that pull image content and video content from a separate IIS instance on another server (media server). The media calls (images and video) are straight http:// calls and not using a streaming application. During peak traffic periods, we clone the production server five times and have a load balancer distribute traffic to all five production servers. The media server does not get ramped up. We noticed that the processing and resources on the media server gets very taxed during this period. Would it make sense to run the IIS instance for the media server locally on the production server and have it cloned with the production servers, then have a rule on the load balancer negotiating these media calls from the website? Would it be better to allocate more resources (memory and CPUs) to the media server VM and not clone it with the production servers? Recommendations are sincerely appreciated.

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