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  • Debian tuning for increasing read/write buffer.

    - by Claudiu
    Is there a way to modify Debian settings so the memory could be used more for disk read/write caching ? I am already using RAID 0 but thats not enough for multiple users, and the disk is almost struggled. Torrents use the disk very much and rTorrent doesn't have cache settings.

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  • How can email possibly be routed to the right place with no to: address?

    - by agent154
    I'm no novice on networking technology, but one thing I don't really know much about in detail is email and headers. How does email work SPECIFICALLY? I'm getting spam in my hotmail inbox when I've made painful attempts to not give out my actual email. I use my own domain name to forward email to my inbox using several aliases. Yet now I'm getting spam with no address in the to: line, or also "undisclosed recipients". Looking at the headers is of no help whatsoever. So from a technical standpoint, I have to wonder... if I send an email to a certain address in my personal domain and it gets forwarded to my hotmail account, how does hotmail know what inbox to dump the message in if that address is not listed in the headers?

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  • Upscaling audio from 2.1 to 5.1 in Windows 7

    - by Darth Android
    I'm currently using the onboard sound on my Asus P6T6 WS Revolution motherboard (SoundMAX Integrated Digital Audio) and was wondering if there was any way to make either windows or the audio drivers upscale 2-channel audio to 5-channel audio (basic duplication would suffice)? I was using a creative sound card but got fed up with the memory leaks and poor sound quality.

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  • Running Hermes Anti-Spam Proxy Alongside Exchange 2003

    - by JohnyD
    I'm looking to implement an anti-spam solution to pre-process email destined for my Exchange 2003 server. I am interested in trying out the Hermes Anti-Spam Proxy product (the price is right) and was wondering if anyone has had any experience in running this alongside their Exchange installation (same physical box). The server is a Win2K3 box running a single core P4 D 930 @ 3GHz with 3 gigs of memory. Thank you.

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  • Few questions on MS duo

    - by user23950
    I constantly delete and add data on my memory stick duo. Because I watch movies on PSP. Here are my questions: Does constantly deleting and adding movies on ms duo degrades its performance? Does constantly deleting and adding movies on ms duo makes its life span shorter? How many deletes and adds can a sandisk ms duo sustain until it gets destroyed?

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  • How can user change the jre parameter values after the exe is generated in Launch4j?

    - by Wing C. Chen
    Is it possible to change the jre parameter values after the exe file is generated through Launch4j? The ideal scenario is like this: The default parameter values are applied when the program is started. However, when the user wants to change some jre parameter values, he goes to a .ini file, MyProgram.ini for example, changes the values there, and the new values will be applied next time the program is started. I think eclipse uses the same way for its memory and some other parameter settings.

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  • xen-create-image does not create inird or initramfs image and domU does not starts with system image

    - by user219372
    I have Fedora 19 as Dom0. To create image I run # xen-create-image --hostname=debian-wheezy --memory=512Mb --dhcp --size=20Gb --swap=512Mb --dir=/xen --arch=amd64 --dist=wheezy After generation finished I start vm and see: # xl create /etc/xen/debian-wheezy.cfg Parsing config from /etc/xen/debian-wheezy.cfg libxl: error: libxl_dom.c:409:libxl__build_pv: xc_dom_ramdisk_file failed: No such file or directory libxl: error: libxl_create.c:919:domcreate_rebuild_done: cannot (re-)build domain: -3 In the /etc/xen/debian-wheezy.cfg i have # # Kernel + memory size # kernel = '/boot/vmlinuz-3.11.2-201.fc19.x86_64' ramdisk = '/boot/initrd.img-3.11.2-201.fc19.x86_64' and ls -1 /boot/*201* shows /boot/config-3.11.2-201.fc19.x86_64 /boot/initramfs-3.11.2-201.fc19.x86_64.img /boot/System.map-3.11.2-201.fc19.x86_64 /boot/vmlinuz-3.11.2-201.fc19.x86_64 Then if I fix ramdisk directive in .cfg file to /boot/initramfs-3.11.2-201.fc19.x86_64.img vm will start but os inside will not boot. In a tail of xl console I get [ OK ] Reached target Basic System. dracut-initqueue[130]: Warning: Could not boot. dracut-initqueue[130]: Warning: /dev/disk/by-uuid/085883ad-73ca-45cc-8bc5-e6249f869b26 does not exist dracut-initqueue[130]: Warning: /dev/fedora/root does not exist dracut-initqueue[130]: Warning: /dev/fedora/swap does not exist dracut-initqueue[130]: Warning: /dev/mapper/fedora-root does not exist dracut-initqueue[130]: Warning: /dev/mapper/fedora-swap does not exist dracut-initqueue[130]: Warning: /dev/xvda2 does not exist Starting Dracut Emergency Shell... Warning: /dev/disk/by-uuid/085883ad-73ca-45cc-8bc5-e6249f869b26 does not exist Warning: /dev/fedora/root does not exist Warning: /dev/fedora/swap does not exist Warning: /dev/mapper/fedora-root does not exist Warning: /dev/mapper/fedora-swap does not exist Warning: /dev/xvda2 does not exist Generating "/run/initramfs/sosreport.txt" Entering emergency mode. Exit the shell to continue. Type "journalctl" to view system logs. You might want to save "/run/initramfs/sosreport.txt" to a USB stick or /boot after mounting them and attach it to a bug report. dracut:/# .img files in /xen/domains/debian-wheezy exists and listed in disk section of debian-wheezy.cfg So what should i do? Update: I've found that xl does not mount images. In debian-wheezy.cfg I have that: root = '/dev/xvda2 ro' disk = [ 'file:/xen/domains/debian-wheezy/disk.img,xvda2,w', 'file:/xen/domains/debian-wheeze/swap.img,xvda1,w', ] And there is no /dev/xvda* or /dev/sda* or /dev/hda* files in VM.

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  • Linux - Scriptable email client?

    - by Phog
    Hi, I'm writing a simple UI for the visually impaired using a speech synthesizer. I've looked all over the internet for an email client which I can script to fit these purposes but to no avail. I believe several CLI email clients(eg MUTT) allow sending emails with command line arguments only. But I've yet to find a client that can download the emails, decode them and then dump them to a text file. The best candidate so far seems to be mailx, but it seems like it needs quite a lot of babysitting to fit my needs. Any suggestions for scripting-friendly email clients? Am I missing something fundamental about MUTT? Are there any libraries/programs that help me decode the MIME encoding used in todays emails from a maildir? Should I just bite the bullet and write a script for mailx? Thanks in advance.

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  • Are there any advantages to using windows 7 ultimate? I can't tell the diference

    - by Jack Dawson
    I just upgraded my new desktop which came installed with Windows 7 Home Premium 64 bit with a copy of Windows 7 Ultimate 64 bit and so far I have not noticed any difference in performance. Even my Windows Experience Index number is the same 5.5 that it was before the upgrade. So what's the point, are there any performance advantages that I'm not seeing? Additional Info My system hardware specs: AMD quad core 2.6 GHZ 1 TB 4200 RPM HDD 8 GB DDR2 RAM ATI Radeon HD 4650 w/ 1GB dedicated video memory

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  • Unable to clone repository with Git

    - by kim3er
    I am trying to clone a repository on my machine that I have just created on GitHub. I am new to Git, but have been using SVN for a while. I've set up an RSA key as per instructions but am unable to clone with either the SSH or HTTP Urls. When I use HTTP, I get the following error: Password: fatal: Out of memory, realloc failed I'm using Windows 7 with MSysGit (using Bash & PuTTY).

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  • How do I decrypt WPA2 encrypted packets using Wireshark?

    - by Rox
    I am trying to decrypt my WLAN data with Wireshark. I have already read and tried eveything on this page but without any success (well, I tried the example dump on that page and succeeded, but I fail with my own packets). I caught the four-way handshake from another client connecting to the network. My network info is as follows: SSID: test Passphrase: mypass The above info would give this preshared key: 58af7d7ce2e11faeab2278a5ef45de4944385f319b52a5b2d82389faedd3f9bf In Wireshark in the Preferences--IEEE 802.11 I have set this line as Key 1: wpa-psk:58af7d7ce2e11faeab2278a5ef45de4944385f319b52a5b2d82389faedd3f9bf I have tried the different options of "Ignore the protection bit" but none works. What could I have missed?

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  • Email client supporting multiple accounts

    - by TGP1994
    I've been using Microsoft Outlook for a very long time, although one thing that has bugged me is how multiple email accounts are handled. As far as I can tell, there isn't a set and straightforward way of managing multiple accounts in one instance of outlook. For example, when I create an email, saving it as a draft will by default dump it into the first personal folder that I have open, which in my current case, is not where I want it. I would like all trash, spam, drafts, contacts, etc. etc. to be handled on a PF by PF basis. Now to my question: Is there a way to accomplish the task of email account "segregation" in Outlook (2007 is my current version), or is there another client that handles this in a more organized fashion? Note: I don't use most of the features in outlook (I hardly even need special formatting for my messages), I generally just send and read mail, and get a few attachments, so leaving Outlook wouldn't be too much of a stretch for me.

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  • Asp.net error messages when on server are not displayed

    - by asn187
    I have been tasked with setting up asp.net websites on a windows server 2008 which are all in debug mode When browsing a website on the server and an error occurs, for example the database connection cannot be open I would expect as per normal to receive the Asp.net Server error page with an error dump Something like - http://www.codeproject.com/KB/books/1861005040/image091.gif However, what actually happens is I get random characters on the web page. For example: <?)=????*??2o????v??YK?WuZ,?6[N??f?O??b??@!???u]S??yQ?iN?&e???E???j??1z??x??????o?y????U??M???2d?i?4 This is not the correct or expected behaviour. The event log does however show what has gone wrong. How do I get the Server Error page to render properly, am I missing something in the servers asp.net setup?

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  • Not able to Defrag my drive for shrink even using PerfectDisk on Windows 7

    - by Mithun Sasidharan
    I want to partition my c drive which has over 450gb capacity of which hardly 30gb is being used. I deleted the pagefile.sys and also disabled hibernate and cache memory. I then defragmented and consolidated free space using PerfectDisk 12 and also run a boot time defragmented. Now what remains is Metadata files that preventing me from shrinking the volume beyond half the size if disk. Please tell me what to do?????

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  • Are Plesk server backups useful?

    - by Michael T. Smith
    I'm working for a startup now, and I'm the programmer. Because of our small team size, I'm also handling the server management for now (until we get a dedicated server administrator.) I've never used Plesk before, and the server we're using (a Media Temple Dedicated Virtual server) had it installed when I got here. One of my first jobs was to set up backups: Plesk was already running it's nightly server-wide backups. I created a small script to dump the web app, it's DBs and any assets, tar them, store them, and then copy them to another small server we have (to backup the backups.) But, we're constantly running into hard drive space issues because of the Plesk backups. And I'm wondering, are they useful? If I have the web app and all of it's assets, I could easily enough get another server up and running. Do we need to keep running Plesk's backups? Thoughts?

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  • Where opera store cookies set by expire after restart (time 0)

    - by marc
    Welcome, I'm looking for information where opera store temporary cookies with time expire (0), what's mean - cookie should be deleted after restart browser. Do opera create temporary file for these cookies and delete after restart (if yes what file), or store them in memory (RAM). I'm tested file "cookies4.dat" by hex-editor and it don't have that "temp" 0 cookies stored inside. regards

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  • Avoid read-write access to bad sectors on HDD to continue working on the HDD

    - by goldenmean
    I have a HP Pavilion dv6446 notebook. It had Windows Vista Home premium. After 4.5+ years of usage, just recently it started malfunctioning. While working fine, its screen goes white or sometimes some thin black lines horizontally. Laptop freezes. Hard reboot works. Again it works for some 2 hrs or so, same error. To diagnose I did run the Memory and Hard disk check which is present in the Bios Setup. Memory test passed. Hard disk test returned an error saying something like - "Replace the hard disk". Bad.. Some sectors or platters have gone bad on the disk. (I confirmed this later by further tests mentioned below) Then I tried installing a Ubuntu 11.10. It listed 3 partitions /dev/sda1, sda2, sda2. It again gave error and could not install grub loader on /dev/sda1. Bad sectors. Then redid the Ubuntu installation, this time asked to to install the Ubuntu on /dev/sda3. and kept /dev/sda1 for /home. Installed fine, and works fine as well. Due to unavailability of WiFi/ Ethernet driver for that adapters under Ubuntu( at least I could not configure them and get the networking working at all), I decided to go back to reinstall windows Vista. It did install fine. I did not have to format one data partition which has my data. I just formatted one partition which installed Windows So in effect HDD has not undergone a full format here. Worked ok for 1 day. But same white screen and freeze happened. Looks like while it is in use, it accesses the bad sectors for storing some data and that's when it bombs. I am inclined to think HDD has not failed fully or crashed but has developed bad sectors. Else if it was a HDD crash, it would have refused to boot at all let alone install on it. Questions: Is there any HDD test check under windows or any such tools windows/linux based ewhere which can identify the bad sectors of the HDD and 'lock/isolate' them from further read-write access of any kind. If not what are my options, if any to salvage this laptop HDD without replacing it. EDIT: Would the Disk Error checking tool under windows help in any way?

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  • BSOD 0x000000f4(Probably caused by : wininit.exe)

    - by vacuum
    I have BSOD with 0x000000f4 code. It appears when system is not loaded at all. No new hardware where intalled. Only nvidia drivers where updated 3 days ago and they are up to date for now(version 296.10). System Health Report(perfmon /report) shows nothing interesting(only complained on disabled UAC) System is on SSD disk(WDC SSC-D0064SC-2100 B) Dump Spec: OS Name Microsoft Windows 7 Ultimate Version 6.1.7601 Service Pack 1 Build 7601 System Manufacturer Gigabyte Technology Co., Ltd. System Model P31-DS3L System Type x64-based PC Processor Intel(R) Core(TM)2 Duo CPU E7200 @ 2.53GHz, 2534 Mhz, 2 Core(s), 2 Logical Processor(s) BIOS Version/Date Award Software International, Inc. F9, 10.07.2008 Any suggestions?

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  • Command line import of database using latin1 encoding

    - by chrisjlee
    I'm using a particular cloud hosting solution (one which i won't name) and they don't provide ssh access so i'm at a whim on how the database is dumped. I downloaded the dump which is packed into a tar.gz file. I discover that this file utilizes latin1 encoding. Which i don't get to specify the encoding for the host i'm using because i don't have SSH access or DB access. I try to import it via command line for my local development environment (mysql -uroot foodb < file.db) like i usually do with other databases but am having problems. Is it possible to import a database via command line by specifying which encoding (preferably latin1) before importing it? Or do i have to convert it to UTF8?

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  • Which EC2 instance best for Chef server?

    - by hakunin
    I want to setup chef server as cheaply as possible, while leaving it enough room to run without crashing. The only article I found on the subject warned that RabbitMQ would crash on a micro instance due to insufficient memory. The question is: what's the cheapest EC2 instance that can run chef server reliably, considering that I don't use CouchDB or RabbitMQ for anything else in my app, so would probably have to set them up exclusively for chef server on that same instance.

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  • Simple web-frontend for remote svn administration?

    - by Stefan Lasiewski
    We run a SVN repository. Some of our more advanced users need to be able to perform some SVN administration without relying on the system administrator. They need to be able to do things like create SVN repositories, delete SVN repositories,, and perform commands like 'svnadmin dump' and 'svnadmin load'. We'd like to avoid SSH access on these FreeBSD machines, and would rather provide a service interface through a Web UI. I'm looking for a simple script (or a small number of scripts) which use Perl or PHP. I found svnadmin or svnadmin.pl, but was hoping to find something with a larger user community or which has been recommended by others. It looks like Trac allows SVN administration, but comes with may more features then we need.

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  • innobackupex - after restoring - quit without updating PID file

    - by clarkk
    After restoring a backup the server can't start.. restoring # tar -izxf /var/www/bak/db/2013-11-10-1437_mysql.tar.gz -C /var/www/bak/db_import # innobackupex --use-memory=1G --apply-log /var/www/bak/db_import # service mysql stop # mv /var/lib/mysql /var/lib/mysql-old # mkdir /var/lib/mysql # innobackupex --copy-back /var/www/bak/db_import # chown -R mysql:mysql /var/lib/mysql # service mysql start error log 131110 21:24:20 mysqld_safe Starting mysqld daemon with databases from /var/lib/mysql 2013-11-10 21:24:21 0 [Warning] TIMESTAMP with implicit DEFAULT value is deprecated. Please use --explicit_defaults_for_timestamp server option (see documentation for more details). 2013-11-10 21:24:21 6194 [Warning] Using pre 5.5 semantics to load error messages from /opt/mysql/server-5.6/share/english/. 2013-11-10 21:24:21 6194 [Warning] If this is not intended, refer to the documentation for valid usage of --lc-messages-dir and --language parameters. 2013-11-10 21:24:21 6194 [Note] Plugin 'FEDERATED' is disabled. /usr/local/mysql/bin/mysqld: Table 'mysql.plugin' doesn't exist 2013-11-10 21:24:21 6194 [ERROR] Can't open the mysql.plugin table. Please run mysql_upgrade to create it. 2013-11-10 21:24:21 6194 [Note] InnoDB: The InnoDB memory heap is disabled 2013-11-10 21:24:21 6194 [Note] InnoDB: Mutexes and rw_locks use GCC atomic builtins 2013-11-10 21:24:21 6194 [Note] InnoDB: Compressed tables use zlib 1.2.3 2013-11-10 21:24:21 6194 [Note] InnoDB: Using Linux native AIO 2013-11-10 21:24:21 6194 [Note] InnoDB: Not using CPU crc32 instructions 2013-11-10 21:24:21 6194 [Note] InnoDB: Initializing buffer pool, size = 128.0M 2013-11-10 21:24:21 6194 [Note] InnoDB: Completed initialization of buffer pool 2013-11-10 21:24:21 6194 [Note] InnoDB: Highest supported file format is Barracuda. 2013-11-10 21:24:22 6194 [Note] InnoDB: 128 rollback segment(s) are active. 2013-11-10 21:24:22 6194 [Note] InnoDB: Waiting for purge to start 2013-11-10 21:24:22 6194 [Note] InnoDB: 5.6.12 started; log sequence number 636992658 2013-11-10 21:24:22 6194 [Note] Server hostname (bind-address): '127.0.0.1'; port: 3306 2013-11-10 21:24:22 6194 [Note] - '127.0.0.1' resolves to '127.0.0.1'; 2013-11-10 21:24:22 6194 [Note] Server socket created on IP: '127.0.0.1'. 2013-11-10 21:24:22 6194 [ERROR] Fatal error: Can't open and lock privilege tables: Table 'mysql.user' doesn't exist 131110 21:24:22 mysqld_safe mysqld from pid file /var/run/mysqld/mysqld.pid ended mysql_upgrade /opt/mysql/server-5.6/bin/mysql_upgrade -u root -pxxxxx -P 3308 Warning: Using a password on the command line interface can be insecure. Looking for 'mysql' as: /opt/mysql/server-5.6/bin/mysql Looking for 'mysqlcheck' as: /opt/mysql/server-5.6/bin/mysqlcheck FATAL ERROR: Upgrade failed

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  • How can I disable Control-W in Windows XP?

    - by Tim Visher
    I'm an Emacs/Mac user trapped on Windows at work and I often type Control-W from muscle memory to delete a word and thus by mistake kill the entire window, including everything that I was working on. This a particularly egregious problem for Console2 as I run GNU Screen and am often doing many things at once. Is there any way to completely disable Control-W or remap it to something that is far harder to type? Thanks!

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  • Semi-Hybrid Triple Channel DDR3

    - by Avihu Turzion
    I have 3 x Corsair 2GB DDR3 1600MHz, and I want to expand it with 3 more DIMMs. Obviously to keep my triple-channel, I'd be best to buy an identical 3 DIMMs kit as I have now, because triple-channel doesn't work with not-identical memory DIMMs, but to what level of difference? Can I have identical spec DIMMs (Corsair DDR3 1600MHz) but just 4GB beside my 2GB ones, and the triple-channel will still be active?

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