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• VMWare Pre-Allocated vs. Growable, which is faster?

  - by tekiegreg

  In an effort to increase speed in my Vmware setup, I was thinking about converting a Windows XP Guest 32 bit I have from growable to pre-allocated, I'm currently running VMWare Workstation 7 with Windows 7 64 bit as the host. Specs: Dual Core CPU, one allocated to guest 4GB of RAM, 2GB to guest HD max capacity is 500GB, 150GB allocated to guest (I have 300GB left and don't mind parting with the space, currently HD is 80GB and converting would obviously add another 70GB of space), HD that guest is running on is separate from Host OS Either that or any other suggestions you have might be appreciated, thanks!

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• Disk usage treemap software for headless Linux

  - by CyberShadow

  There are some programs which can display used disk space using a treemap, such as WinDirStat for Windows and KDirStat for KDE/Linux: I'm looking for something similar, but for a headless Linux box. (E.g. run console data collection program on the server, then load the file in a graphical program in a GUI environment.) Alternatively, what are other good ways to get a structured used disk space representation, with just SSH access?

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• How to set up a file server in a restricted corporate environment

  - by Emilio M Bumachar

  I work in a big corporation, and the disk space my team gets in the corporate file server is so low, I am considering turning my work PC into a file server. I ask this community for links to tutorials, software suggestions, and advice in general about how to set it up. My machine is an Intel Core2Duo E7500 @ 3GHz, 3 GB of RAM, Running Windows XP Service Pack 3. Upgrading, formatting or installing another OS is out of the question. But I do have Administrator priviledges on the PC, and I can install programs (at least for now). A lot of security software I don't even know about is and must remain installed. But I only need communication whithin the corporate network, which is not restricted. People have usernames (logins) on the corporate network, and I need to use them to restrict access. Simply put, I have a list of logins of team members, and only people in the list should access the files. I have about 150 GB of free disk space. I'm thinking of allocating 100 GB to the team's shared files. I plan monthly backups on machines of co-workers, same configuration. But automation of backups is a nice, unnecessary feature: it's totally acceptable for me to manually copy the contents to a different machine once a month. Uptime is important, as everyone would use these files in their daily work. I have experience as a python and C programmer, but no experience whatsoever as a sysadmin, and almost nothing of my programming experience is network programming. I'm a complete beginner in this. Thanks in advance for any help. EDIT I honestly appreciate all the warnings, I really do, but what I plan to make available is mostly stuff that now is solely on DVDs just for space reasons. It's 'daily work' to read them, but 'daily work write' files will remain on the corporate server. As for the importance of uptime, I think I overstated it: a few outages are OK, it's already an improvement over getting the DVDs. As for policy, my manager is kind of on my side, I will confirm that before making my move. As for getting more space through the proper channels, well, that was Plan A, and it's still on the table... But I don't have much hope. I'm not as "core businees" as I'd like.

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• Software Raid 10 on VirtualBox?

  - by user791022

  I want to learn how to use Software Raid 10, is it possible to use VirtualBox by adding four storage images? This is my plan: 4x 100mb partitions (1 on each drive) configured as a raid 1 for /boot in ext3. Then with the remaining space on each drive, setup a software raid partition and configure it to to LVM and raid 10. In the LVM, set up a 4gb swap partition and the remaining space as the root partition ( / ) as ext3.

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• rsnapshot backup TO remote server

  - by Zulakis

  I just bought 100GB of "Cloud"-Space at Strato's HiDrive for remote server backups. They offer the following services: sftp,webdav,smb/cifs,rsync,scp Now i want to do a remote backup to my Backup-Space using rsnapshot. All the examples I found were only for backing up FROM remote servers to local machine, but not for backing up TO remote servers. How can I do incremental backups using rsnapshot using one of the protocols above?

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• Installing ubuntu on inspiron 1720, can I dual boot?

  - by sososo

  Can I dual boot ubuntu with on a inspiron 1720 (it is running windows 7). One issue is I don't have space on the c:\ drive, but other partitions have space. Will that cause any issues? This is just to play and learn with, and I don't want to ruin my main windows install doing this. I don't think my laptop is powerful enough for a virtualbox install (only 2gb ram).

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• Delete data from a SQL Server database on a full partition

  - by aleroot

  I have a SQL Server 2005 Database on a dedicated partition, during the time the database grown and now it have occupied all the space on the partition, now the problem is that the only operation I can do on the database is detach, but i want to remove old data from some tables to save space ... How can I remove old data from the database if SQL Server interface doesn't allow to run queries on it ?

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• Index fragmentation and reorganizing database pages

  - by TiQ

  Say you have a database with heavy index fragmentation. Say this database also has a lot of free space due to frequent deletes in its data file. This free space is not contiguous. If I rebuild all indexes to remove fragmentation and then reorganize the database pages so allocated pages and free pages are contiguous, would this cause further fragmentation in my indexes? I guess the question can be posed as: if it matters, which should I do first, reorganize or rebuild?

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• Windows 7 Start Menu: Height does not adapt

  - by bioslime

  Since a couple of days my start menu has a big blank space and just does not collapse. I played around with Store and display recently opened programs in the Start menu as well as Number of recent programs to display as is depicted at sevenforums.com. Note that doing so clears your list of recently opened programs. Anyway, my start menu still looks like: At least the space marked with a red rectangle should collapse.

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• replace nth occurence of string in each line of a text file

  - by dnkb

  I have large text files with space delimited strings (2-5). The strings can contain "'" or "-". I'd like to replace say the second space with a pipe. What's the best way to go? Using sed I was thinking of this: sed -r 's/(^[a-z'-]+ [a-z'-]+\b) /\1|/' filename.txt Any other/better/simpler ideas? Thank you

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• Increase/refresh the size of the FreeBSD's main partition

  - by Lucas

  I am using VirtualBox and have my FreeBSD mounted on a virtual drive, which recently ran out of space (10 GB) so I have increased the Virtual Drive size up to the 15 GB - started my FreeBSD and its still out of space, because it doesnt "refresh" the main partition size: # df -h Filesystem Size Used Avail Capacity Mounted on /dev/ada0p2 9.3G 9.3G -711M 108% / devfs 1.0k 1.0k 0B 100% /dev How can I set the partition size to the virtual drive size?

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• Are there free FTP serer backup repositories

  - by Saif Bechan

  I was wondering if there is a free service that provides a repository for your backups. These are backups of my server, there are usually about 200mb. I want to FTP the last 2 or 3. I am looking for a service that maybe provide some gigs of space and with FTP access. Looking at email providers such as gmail and hotmail that give you a couple of gigs of free space, this should also be possible or am i horribly wrong.

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• Netgear NV+ resize volume for snapshots

  - by kurresmack

  Hey! I have a Netgear NV+ that I want to setup snapshots on. As I do not have any space allocated for ths I just wanted to check what will happend to my data if I allocate space for snapshots? I could not find any resource for this on google which makes me to belive that no data is affected but just wanted to make sure that there is no foramt!

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• Reinstallation of Ubuntu

  - by Achuthan

  When I tried to re install Ubuntu 11.10, I wanted to erase the existing Ubuntu using gparted editor/ something else icon in Ubuntu. I found it was not detecting any existing partition. Then when I googled and used gparted editor I found it was showing unallocated space of entire hard disk space. However I am able to boot to Ubuntu normally and when I use disk utilities I am able to access and see all partitions. Please help me to solve my issue

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• How to remove namespace from an XML Element using C#

  - by Nair

  I have an XML where I have a name space '_spreadSheetNameSapce'. In my code I have to add a new element with attribute associated with the name the space and I am doing it like the following XElement customHeading = new XElement("Row", new XAttribute(_spreadSheetNameSapce + "AutoFitHeight", "0")); It creates the XElement properly but it does insert xmlns="" entry also in the same element. I do not want that element to be created. How can I create the Xelement without the empty name space or how can I remove the namespace after the element is created? Thanks a lot.

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• jqGrid jQuery UI button wrapping in toolbar

  - by gurun8

  I have a jQuery UI Button that I'm placing in a jqGrid toolbar but the contents of the button are wrapping. I've tried to prevent the wrapping by using CSS white-space Property to no avail. Here's a snapshot of what's happening: Here are two code snippets of my attempt to fix the problem: $("#t_imageList").css("white-space", "nowrap").html('<button>Add</button>'); $("#t_imageList button").button({ icons: {primary: 'ui-icon-plus'}, text: true }); and/or $("#t_imageList button").css("white-space", "nowrap").button({ icons: {primary: 'ui-icon-plus'}, text: true }); Has someone experienced the same issue? If so, what was your solution?

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• How to undo an hg merge? (I think.)

  - by Grumdrig

  I'm new to collaborating with Mercurial. My situation: Another programmer changed rev 1 of a file to replace 4-space indents with 2-space indent. (I.e. changed every line.) Call that rev 2, pushed to the remote repo. I've committed substantive changes rev 1 with various code changes in my local workspace. Call that rev 3. I've hg pulled and hg mergeed without a clear idea of what was going on. The conflicts are myriad and not really substantive. So I really wish I'd changed my local repo to 2-space indents before merging; then the merge will be trivial (i'm supposing). But I can't seem to back up. I think I need to hg update -r 3 but it says abort: outstanding uncommitted merges. How can I undo the merge, changes spacing in my local repo, and remerge?

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• What happens after a packet is captured?

  - by Rayne

  Hi all, I've been reading about what happens after packets are captured by NICs, and the more I read, the more I'm confused. Firstly, I've read that traditionally, after a packet is captured by the NIC, it gets copied to a block of memory in the kernel space, then to the user space for whatever application that then works on the packet data. Then I read about DMA, where the NIC directly copies the packet into memory, bypassing the CPU. So is the NIC - kernel memory - User space memory flow still valid? Also, do most NIC (e.g. Myricom) use DMA to improve packet capture rates? Secondly, does RSS (Receive Side Scaling) work similarly in both Windows and Linux systems? I can only find detailed explanations on how RSS works in MSDN articles, where they talk about how RSS (and MSI-X) works on Windows Server 2008. But the same concept of RSS and MSI-X should still apply for linux systems, right? Thank you. Regards, Rayne

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• How to change line thickness in iText?

  - by drasto

  I'm drawing images to pdf using Java framework iText. I need to draw lines of specified width. There is a method setLineWidth(float width) in class PdfContentByte that should change it. However no matter what value I pass as its parameter the lines drawn are always extra thin. There is following line in javadoc of setLineWidth: The line width specifies the thickness of the line used to stroke a path and is measured in user space units. I don't know what is "space unit". Everything else in iText seems to be measured in point(around 1/72 inch). I cant find any reference to what are those "space units" and how to change them. code: to.setLineWidth(thickness); to.moveTo(x, y); to.lineTo(x + 100, y + 100); Variable to contains instance of PdfContentByte.

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• Grails and PermGen issue with g:link and g:render

  - by Alexi Groove

  I've been running grails for sometime without any issues but recently after an upgrade to Grails 1.1.1, I've encountered the dreaded PermGen errors. Prior to the upgrade, no such issue. The error seems to be happening when the <g:link> and <g:render> tags are used in a GSP although I'm not sure it's indicative that this is the issue but more of the fact that it ran out of space when these tags were being rendered. Typically, everyone who encounters PermGen errors recommend increasing your java environment options -- but what maybe the source of the issue? Is it a Grails 1.1/hibernate/spring problem? The error: 2010-04-20 05:37:03,962 INFO [STDOUT] 05:37:03,961 ERROR [GroovyPagesServlet] Error processing GSP: Error executing tag <g:render>: org.codehaus.groovy.grails.web.taglib.exceptions.GrailsTagException: Error executing tag <g:link>: java.lang.OutOfMemoryError: PermGen space org.codehaus.groovy.grails.web.taglib.exceptions.GrailsTagException: Error executing tag <g:render>: org.codehaus.groovy.grails.web.taglib.exceptions.GrailsTagException: Error executing tag <g:link>: java.lang.OutOfMemoryError: PermGen space

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• Flex TextArea leading invalid

  - by Andreas

  Hi, When I set leading to 0 with Verdana (and others to) for a Flex TextArea I get strange results: fontsize - space between baselines 8 - 10 (125%) 10 - 12 (120%) 12 - 14 (117%) 14 - 17 (121%) 16 - 18 (113%) 18 - 22 (122%) 20 - 25 (125%) 25 - 31 (124%) shouldn't all of these be the same (should only be 100%)? Or least follow a pattern, because I can't se any. :( When i set leading to 0, the space between my baselines should be the same as the font size/height. This is not the case here. How do I know how to get the space between the baseline to be equal to the height of the font?

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• How to check if an apply-template filled variable is a string or (possibly) empty node in XSLT?

  - by calavera.info

  I need a test which would evaluate to true in two cases: There is a string inside which contains any non white space characters There is any node (which can be possibly empty) on a variable that is filled with apply-template call result. I tried test="normalize-space($var)" but this doesn't cover the empty tag possibility. I also tried simply this: test="$var" but this evaluate to true even for white space only strings. By the way "$var/*" produces an error "Expression ...something I don't remember... node-set" which is I think because of apply-template variable instantiation. Is there any (which means even multi level decision) solution for this? EDIT: I forgot to say that it's for XSLT 1.0 and preferably without any exslt extensions or similar.

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• how to prevent white spaces in a regular expression regex validation

  - by Rees

  i am completely new to regular expressions and am trying to create a regular expression in flex for a validation. using a regular expression, i am going to validate that the user input does NOT contain any white-space and consists of only characters and digits... starting with digit. so far i have: expression="[A-Za-z][A-Za-z0-9]*" this correctly checks for user input to start with a character followed by a possible digit, but this does not check if there is white space...(in my tests if user input has a space this input will pass through validation - this is not desired) can someone tell me how i can modify this expression to ensure that user input with whitespace is flagged as invalid?

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• binary search and trio

  - by user121196

  given a large list of alphabetically sorted words in a file,I need to write a program that, given a word x, determines if x is in the list. priorties: 1. speed. 2. memory I already know I can use (n is number of words, m is average length of the words) 1. a tri, time is O(log(n)), space(best case) is O(log(n*m)), space(worst case) is O(n*m). 2. load the complete list into memory, then binary search, time is O(log(n)), space is O(n*m) I'm not sure about the complexity on tri, please correct me if they are wrong. Also are there other good approaches?

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• Load a MySQL innodb database into memory

  - by jack

  I have a MySQL innodb database at 1.9GB, showed by following command. SELECT table_schema "Data Base Name", -> sum( data_length + index_length ) / 1024 / -> 1024 "Data Base Size in MB", -> sum( data_free )/ 1024 / 1024 "Free Space in MB" -> FROM information_schema.TABLES -> GROUP BY table_schema ; +--------------------+----------------------+------------------+ | Data Base Name | Data Base Size in MB | Free Space in MB | +--------------------+----------------------+------------------+ | database_name | 1959.73437500 | 31080.00000000 | My questions are: Does it mean if I set the innodb_buffer_pool_size to 2GB or larger, the whole database can be loaded into memory so much fewer read from disk requests are needed? What does the free space of 31GB mean? If the maximum RAM can be allocated to innodb_buffer_pool_size is 1GB, is it possible to specify which tables to loaded into memory while keep others always read from disk? Thanks in advance.

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