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• 32 vs 64-bit software for same machine?

  - by GorillaSandwich

  What is the difference between 32 and 64-bit software? My understanding is that 64-bit can use more RAM, if it's available, because it has a larger address space for it. Is this correct? And, specifically: If I have a 64-bit operating system with lots of RAM, and I install, say, the 32-bit version of MySQL instead of the 64-bit version, will it be unable to use all the available RAM and therefore run slower than the 64-bit version might on the same machine (assuming RAM becomes the bottleneck before processing speed or disk access speed or whatever)? If I have a 32-bit operating system and I install a 64-bit piece of software on it, will it (probably) fail to run?

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• Problem opening password encrypted .docx file on Word 2003

  - by molecule

  Hi all, I am having a problem opening a .docx file on my Word 2003. I have installed the Compatibility pack for 2007 but when i try to open this particular file, I receive the error "Word experienced an error trying to open the file. Try these suggestions. 1. Check the file permissions for the document, 2. Make sure there is sufficient free memory and disk space, 3. Open the file with the Text Recovery converter. I do not think it is any of the errors as I am able to open it on a different PC with Word 2003 as well. I also do not have any issues opening any non-password encrypted .docx files. Has anyone experienced the same issue? Most posts on the internet relate to "open and repair" but as mentioned, I am able to open this file on another PC without any problems. Any advice is greatly appreciated. Thanks, George

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• Laptop gets really hot then turns off, suspect it is overheating. How can I reduce this?

  - by nixnub

  My laptop keeps overheating and turning itself off. Underneath it gets really hot. Even playing 3D online poker is impossible, it just overheats. If it is on my lap, I try and balance it so it's sitting just on my legs and has loads of free space under it. This seems to help a bit (it's never turned itself off in this position) but even being on a desk can result in it overheating. There is a lot of dust, etc that I've cleaned it out (as much as I can easily take apart anyway), but it never used to happen. Any ideas? The laptop is a Lenovo 3000 N200.

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• linux xorg dual different monitors mouse border

  - by Metiu

  If I hook an external monitor to my Linux laptop and configure it for dual head with the Gnome system tools, I do get them configured with the proper resolution and position (one to the left of the other) The mouse pointer, however, will apparently use the greatest of the two vertical resolutions. This way, when I move up to the top border, the mouse exits the visible screen, traveling in empty space, and this is quite annoying, because you can't go to the upper panel just by going up very fast. Is there a way of enforcing the right resolutions for the mouse, too? Thank you

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• USB connection issue

  - by user1664417

  Currently Im facing an issue when Im trying to connect any usb flash drive to my pc. ok, below is what happens to me: 1) I can connect usb keyboard and mouse without any issue. 2) however when i connect usb flash drive, there are 2 situations that are occuring randomly a) there is no usb drive mount in my computer, when device manager is checked, it shows error code 10, but is shown in disk management. b) my computer will have usb drive mounted, but when I click on it, it is empty. on right click the properties, the disk space show 0. (there are files within the usb) what i have done is: 1) run CCleaner to repair the registry, restart and try, but still not working. 2) uninstall the drive in device manager, restart and try, but still not working. 3) tried the port that connects mouse and keyboard, but does not work. anyone who experienced these problems before please guide me. any suggestions or solutions would be greatly appreciated. Thanks, Tony

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• How do I make an encrypted disk image on Debian?

  - by Blacklight Shining

  I'm basically looking for an equivalent to OS X's encrypted sparsebundles. The solution should have support for file ACLs and should not force me to specify a size in the beginning (the image should only take up as much space as it needs) or require root access to mount and unmount. Ideally, I should be able to set two different passwords (both for the same data), but that's not too important. (I do have root access to the machine and so can install packages and such, but I would rather not have to sudo just to mount an image.)

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• Motherboard memory question

  - by JERiv

  I am currently drawing up specs on a new workstation for my office. I am considering the Asus P6X58D for a motherboard. This board's specs list it as supporting 24 gigs of memory. Suppose I were to use six four gig memory cards and then two video cards with 1 gig of memory apiece. Is the maximum supported memory similar to how 32 bit operating systems only have enough address space for 4 gigs of memory? Simply: Will the board post? If so, will the system be able to address all the memory, both the 24 gigs on the ddr3 bus and the 3 gigs on the graphics card?

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• Ubuntu 14.04 says insufficient memory in my /boot memory alocation while updating

  - by Aravind Dollar

  I am new to Linux platform. I just tried installing Ubuntu alongside windows but allocated only 200 mb to the /boot partition which is not recommended. Now Ubuntu software update keep on insists me no enough space. What should I do? Is there any way to increase my /boot partition without removing the total OS? Or should I completely uninstall Ubuntu and put it back? Please anyone suggest me over this issue. I have no idea what to do. And please be elaborate, as I am new to Linux environment.

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• What is the difference between du -h and ls -lh?

  - by PeanutsMonkey

  I am having a difficult time grasping what is the correct way to read the size of the files since each command gives you varying results. I also came across a post at http://forums.devshed.com/linux-help-33/du-and-ls-generating-inconsistent-file-sizes-42169.html which states the following; du gives you the size of the file as it resides on the file system. ( IE will will always give you a result that is divisible by 1024 ). ls will give you the actual size of the file. What you are looking at is the difference between the actual size of the file and the amount of space on disk it takes. ( also called file system efficiency ). What is the difference between as it resides on the file system and actual size of the fil

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• How full is too full for mechanical hard drives?

  - by Sunny Molini

  I have heard many claim that it doesn't matter how full a drive is until it starts cutting into temp and virtual memory space. This doesn't make sense to me, given the nature of how the data is transacted on a hard drive. The inside of the platter presents less data per revolution than the outside of the drive does, by significant factors. The inside 40% of the radius of full size hard drive is used for the spindle, so only the outside 60% is used for data storage, but that still means that the inside track of a hard drive presents data 60% slower than the outside track. By my calculation, a Hard drive that is only 10% full should perform about 2.25 times faster than a hard drive that is 90% full, assuming that the flow is constrained by other factors. Am I wildly off base here? For all the drives I know, even the top speeds of the first 1% of the drive would be well within the bandwidth provided by a SATA 2 connection.

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• How to columnate text with tabs (in vim or on the shell)

  - by kine

  I have a frequent need to manually manipulate tab-delimited text for data entry and other purposes, and when i do this it helps if the text is aligned properly into columns. For example (assuming 4-space tabs): # original format abcdefghijklmnop field2 abcdefgh field2 abcdefghijkl field2 # ideal format abcdefghijklmnop field2 abcdefgh field2 abcdefghijkl field2 I am very familiar with using the column utility to columnate text this way, but the problem is that it uses spaces to align the columns, and i specifically need tabs. This requirement also appears to rule out the Tabularize plug-in. Is there any way that i can columnate text with tabs specifically, either within vim or at the shell? It looks like i might be able to do it with groff/tbl, but honestly i'd rather columnate it by hand than mess with that....

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• How to resize an encrypted LVM in RAID 1 in Linux?

  - by user28712

  Hi, I am running 3 partitions in RAID 1. Partition : Mountpoint : Filesystem : Encrypted : LVM ------------------------------------------------------ 1 : /boot : ext2 : No : No 2 : / : ext3 : Yes : No 3 : /home : xfs : Yes : Yes It now happens that I have given the root of the system too few gigs; i would like to shrink the LVM (3) and give the root(2) more space. How can I do this safely without messing up the system? In what order do I have to resize the raid partitions, encryption, lvm, file systems? Any help would be greatly appreciated. Adriaan

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• Okular (on Ubuntu 9.10) prints multiple pages per sheet (n-up) very small

  - by dgleich

  I'm trying to print a set of beamer slides with multiple slides per page (4-up or 6-up). When I select 4 pages or 6 pages per sheet in the Okular print dialog, the pages print quite small (perhaps even tiny -- about 1.75" by 1.25") and leave significant white-space on the page. I can get around this behavior by using the pdfnup utility (in the pdfjam package); which will correctly generate a 4- or 6-up pdf file but it's annoying to generate a second pdf file when I should be able to accomplish this task from the print dialog. Details: Ubuntu 9.10 (Karmic), 64-bit, Color Postscript printer.

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• Virtual Box - not filling entire screen

  - by jdavis

  I am new to VirtualBox and am trying to set up an instance of Windows 7 64. I have the virtual machine instance running with Windows 7 now installed, but it only fills up a small portion of my screen. Even when I go full screen, the window stays the same size and the rest of the screen is filled with gray space. I have installed VirtualBox Guest Additions, which allowed me to go from a resolution of 800x600 to 1024x768, but this still isn't satisfactory as my laptop display is 1600x900. Any help on this would be most appreciated. Thanks.

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• Windows 2003 Server - Can I map a folder to another folder on the same server?

  - by TheCleaner

  Scenario: I have a server that was running low on space. We have an external iscsi SAN that it now has a LUN on and connected to the server as E:\ We are moving the PHOTOS folder from the old location on D:\ to the new E:. That new drive is being shared out as "ARCHIVE". So: \server\shared\photos now becomes \server\archive\photos I can easily place a shortcut in the original location saying "DOUBLE CLICK HERE FOR THE PHOTOS", but it isn't ideal. What I'd like is to be able to have \server\shared\photos simply point to \server\archive\photos. So that if someone wants to map a drive to \server\shared and then browse to the photos folder once in there they will see what is in the \server\archive\photos location. Is that possible? I was thinking about SUBST or DFS, but I don't think either of those will do it.

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• Is there a way to tell if a file is done copying?

  - by Mike Cooper

  The scenario is this: Machine A has files I want to copy to Machine C. Machine A can't access C directly, but can access Machine B that can access Machine C. I am using scp to copy from Machine A to B, and then from B to C. Machine B has limited storage space, so as files come in, I need to copy them to C and delete them from B. The second copy is much faster, so this is no problem with bandwidth. I could do this by hand, but I am lazy. What I would like is to run a script on B or C that will copy each file to C as each one finishes. The scp job is running from A. So what I need is a way to ask (preferably from a bash script) if file X.avi is "done" copying. Each of these files is a different size, and I can't really predict size or time of completion. Edit: by the way, the file transfer times are something about 1 hour from A to B and about 10 minutes from B to C, if time scale matters at all.

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• How to setup wireless radio to network using 2 nics?

  - by CptanPanic

  I am having problems setting up this network, hopefully someone can help me. Laptop <- Wireless Radio <- ... - Wireless Radio <- CPU1( NIC1,NIC2) <- SWITCH <- CPU2 I have a computer with 2 NICs (CPU1). One goes to a wireless radio that connects to a wireless laptop, the other NIC goes to network switch. I can't connect Wireless Radio to switch due to space constraints. All the machines and radios are on same network addresses. I tried using Window's Bridge network which did allow Laptop to reach CPU2, but not CPU1. What is the way to get this to work so all the computers can talk to each other?

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• Can't boot after Deleted System Reserved Partition

  - by mauris

  I accidentally deleted the System Reserved Partition and now I can no longer boot into Windows 7. The installation of Windows and all my files still exists in the partition, but without the System Reserved Partition I can no longer boot. After I deleted the System Reserved Partition I moved left the primary partition to fill the space. Is there any way I can "reinstall" that System Reserved Partition and the boot files? PS: I only have Windows 7 installed. No dual-boot nothing.

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• Moving windows using keyboard...faster?

  - by Alois Mahdal

  I like using keyboard shortcuts because it's faster as it does not force me to move my hands off the keyboard. In Windows I can use them to move windows around desktop: Press Alt+Space to open common windows menu Press M to choose "Move" command Navigate window position by cursor keys Confirm new position with Enter Additionally, to achieve better accuracy, I can hold Ctrl while navigating. Now the problem is that the normal "step" when moving is about 20px, and my desktop is quite large, so "walking" all the way across takes quite a long time. This kind of defeats the purpose of using keyboard for these tasks. Is it possible to change size of this step so that takes less steps to walk the same distance? (I imagine a hidden setting in Windows registry...?) I tried holding Alt while navigating, but it does not seem to have influence on speed.

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• Unable to see some Russian id3 tags in ncmpc

  - by ??????? ???????????

  I'm running urxvt with the current env: $ env | grep LC LC_ALL=en_US.UTF-8 The problem is either with ncurses or ncmpc and I was wondering if anyone could shed some light on what the problem might be. This could also be an issue with the ID3 tags and any advice on working with broken or misconfigured encoding settings in meta tags in mp3 files is also welcome. I have been ignoring this matter for years and it has finally gotten to me. The bizarre thing is that some filenames or tags work, while others do not. What I have tried the following: setting LC_ALL to these values (whatever is before the space) ru_RU.KOI8-R KOI8-R ru_RU.UTF-8 UTF-8 ru_RU ISO-8859-5 rebuilding the MPD database with id3v1_encoding "ISO-8859-1" or id3v1_encoding "UTF-8" I can demonstrate the problem with two screen shots, as it's the easiest way to do so: Expected output (mpc works well): Broken encoding (ncmpc):

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• virtualbox 2 vmware disk

  - by anol

  I have a virtualbox disk I'd like to convert to a vmware disk. The disk is dynamic which makes it a lot more trickier. If I follow the instructions at http://xpapad.wordpress.com/2010/02/21/migrating-from-virtualbox-to-vmware-in-linux, the vdi-to-raw conversion will result in a 2 TB file. I don't even have that much disk space! The first step therefore seems to be a dynamic to static conversion of the virtualbox disk, right? How do I do that or is there perhaps a better way to convert to vmware? Help!

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• (Preferably) Encrypted Server Backups

  - by Shoaibi

  I have somehow managed to purchase a VPS after collecting money for sometime, now problem is i cant find a way to backup the server. My previous approach was: Got a webdav account from mydisk.se, mounted it on the vps, used duplicity and created encrypted backups. Problem is it was only 2G, and its running out of space, at my own place i dont have a stable internet connection else i have a 500G drive that i could surely use for backups. The vps has a 12G HD, and i would like to backup /home, /root, /etc, /var/ (specially log and www). Any ideas are welcomed. [EDIT] I am more of looking for resource of setting up a backup-point or such(i know how to setup a backup server, but i cant as i dont have stable connection or the money to buy another VPS/disk for backup) , i have already got the tools needed.

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• Putting our OLTP and OLAP services on the same cluster

  - by Dynamo

  We're currently in a bit of a debate about what to do with our scattered SQL environment. We are setting up a cluster for our data warehouses for sure and are now in the process of deciding if our OLTP databases should go on the same one. The cluster will be active/active with database services running on one node and reporting and analytical services on the other node. From a technical standpoint I don't see an issue here. With the services being run on different nodes they shouldn't compete too heavily for resources. The only physical resource that may be an issue would be the shared disk space. Our environment is also quite small. Our biggest OLAP database at the moment is only about 40GB and our OLTP are all under 10GB. I see a potential political issue here as different groups are involved but I'm just strictly wondering if there would be any major technical issues that could arise from this setup.

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• Formatting a 5.25" floppy disk

  - by Spütnik

  So after the massive trouble of finding a 5.25" floppy drive and a connecting it up, then changing the BIOS so it's set as my A: drive, I tried to format a couple of high-density 1.2MB floppy disks using the "format A:" command in Command Prompt. Both times it formatted only 160KB and left it at that. If I then check the amount of space on those disks, it then comes up as 160KB. Why is this the case? How can I get my the full value out of my 1.2MB? For reference, I have a Mitsubishi MF504C-318UG, which should support 1.2MB disks.

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• How to cleanup tmp folder safely on Linux

  - by Syncopated

  I use RAM for my tmpfs /tmp, 2GB, to be exact. Normally, this is enough but sometimes, processes create files in there and fail to cleanup after themselves. This can happen if they crash. I need to delete these orphaned tmp files or else future process will run out of space on /tmp. How can I safely garbage collect /tmp? Some people do it by checking last modification timestamp, but this approach is unsafe because there can be long-running processes that still need those files. A safer approach is to combine the last modification timestamp condition with the condition that no process has a file handle for the file. Is there a program/script/etc that embodies this approach or some other approach that is also safe? Incidentally, does Linux/Unix allow a mode of file opening with creation wherein the created file is deleted when the creating process terminates, even if it's from a crash?

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