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• Windows 2k3 server as a KVM client

  - by Peter NUnn

  Just wondering if anyone else has had issues installing Windows 2K3 server under KVM. I have tried a few times tonight and keep getting "not a supported platform" when the installation first boots. I've used i686, had acpi and apic off and on, given it 4GB ram, 200GB hard disk and it fails every time. I've done some hunting around, but can't find anything conclusive on google. It is listed as a supported client on the KVM site. Host is Ubuntu 10.04 64Bit, qemu-kmv hypervisor. Drivers, I'm not sure what your asking for there, but the disk is a standard (I believe) 32 bit Win2K3 server. I'm trying to install a bulk standard server install. I've done it with win2K8 no problems, but this 2k3 install is failing every time.

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• Rails3 environment running very slow on Windows XP, Ubuntu 9.04, Ubuntu 9.10

  - by bergyman

  I've tried all three (granted the Ubuntu versions were via VirtualBox with XP as a host, but I gave the images all the available RAM my system has). Loading the rails environment is taking 30-60 seconds. rails console, rake test:units - anything that requires rails to load up. And not just on the first go - every time. I've even used autotest to see if it helps with execution time for unit tests, but it doesn't. Any time I change one test, it still takes 30 seconds to load them, and then about 4 seconds to execute. Has anyone else come across this issue? Has anyone figured out any way to fix this?

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• Dual monitors through 1 HDMI port

  - by Carlos

  I currently have a Dell Studio XPS 13 laptop connected to a 24" HP monitor (w2448hc). Im thinking on getting a second one, however am wondering what i need for the setup (hardware wise). Also I was wondering it there is any down side to it, or something i should be aware of. For example, image quality loss, GPU overloading, or anything important I should know. More than anything Im interested in your advice. Also the monitors do have built in speakers (HDMI sound output), is the sound going to be reproduced by only one monitor or both? Specs Model: Dell Studio XPS 13 OS: Genuine Windows® 7 Home Premium 64-Bit CPU: Intel® CoreTM 2 Duo P8600 (2.4GHz, 3MB L2 Cache, 1067MHz FSB) Chipset: NVIDIA® GeForce® MCP79MX RAM: 4GB 1067MHz DDR3 SDRAM Graphics: SLi NVIDIA® GeForce® 9500M - 256MB Thanks for your advice, if there is anything additional i need to buy an you have a personal preference pass the brand name so i can check it out. Thanks!

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• Supplementary Developer Laptop

  - by David Smith

  I'm looking to buy a laptop with the following specs for a developer. The goal will be to have a development machine supplementing the devs desktop. During work hours the dev will be on a beefy desktop. For working while on the go: trains, client sites, code camps, it would be nice to have a machine which can run Visual Studio 2008 without needing to remote desktop into their primary machine. What do you think is the lowest cost laptop meeting this need? Here are the specs I have in mind: SSD drive 64GB-doesn't need to be huge, most data is stored on servers. Will need to fit Windows 7, IIS, SQL Server, and Visual Studio 2010. RAM-3GB processor =Pentium Core 2 duo Screen size = 14 inches. OS doesn't matter. It will be paved with Windows 7 Ultimate optical drive omitted would be a plus. weight and battery life aren't so important because the machine will be plugged in almost all the time.

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• OS for Virtual Private Server (VPS)

  - by B. Stran

  Hi guys! I'm new to VPS managing and I need to chose which OS to install on my VPS. I have the following alternatives: CentOS 5.2 Ubuntu 9.10 Ubuntu Server edition 8.10 Debian 5.0 Lenny Debian 4.0 Etch Gentoo Minimal 10.0 I tried to install couple of them, I've also installed Webmin and doesn't really see any big differences among them. Which one would you suggest for someone who is just learning (but it's going to be a working server as soon as I'm done with testing)? Which one uses less resources (I have only 256 MB of RAM)? Any suggestions are greatly appreciated.

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• HP Compaq nc8230 hackintosh?

  - by David

  I have an HP Compaq nc8230 with a Pentium M (1.86GHz, SSE2) 1.5GB RAM, and an ATI Mobility Radeon x600 (64MB dedicated, 596MB shared). I'm trying to install Mac OS X Leopard on it. I have a legal copy of Leopard from apple, so I tried using the generic.iso and putting in the Leo DVD when it tells me to. It gets to the Apple logo with the spinny thing for maybe 5 minutes, but then the computer just restarts. I don't get past the apple logo. Then I tried using iDeneb 1.3 (10.5.5) but it doesn't boot into the DVD. My computer just ignores it and moves onto the hard drive. I would appreciate some help with either methods (moat prefferably the more legal one), I really need an intel Mac, my PowerBook G4 just doesn't cut it.

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• dns service on OS X Snow Leopard Server

  - by Sorin Buturugeanu

  Hello all, I have a Mac Mini (1.83GHz, 1.5 RAM) with a fresh install of OS X Snow Leopard Server and I want to use it for DNS and web hosting. What I have done so far is to go to the domain registrar and configure a new nameserver (ns.domain.tld) to point to my static IP. This Mac Mini is behind a DI-524 router and I have forwarded ports 53 and 80 to the Mini. I have also added the domain name to the DNS configuration pannel (as in the attachment), but intodns.com gives the following error (among others, and obviously the site is not working): "Mismatched NS records WARNING: One or more of your nameservers did not return any of your NS records." I don't know where to go from here .. Thank you to anyone willing to take the time to give me a hint!! seems that I can't post images but here's the link: http://i.imgur.com/zWI7Y.png

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• Event Viewer: atapi errors

  - by Wesley

  Specs for Samsung N120 Netbook Atom N270 @ 1.60 GHz / 160 GB IDE HDD / 2 GB PC2-5300 DDR2 RAM / Windows XP Home SP3 So I'm still getting some atapi errors in my Event Viewer. Here are two atapi errors I am getting over and over again: (1) The device, \Device\Ide\IdePort0, did not respond within the timeout period. (2) The driver detected a controller error on \Device\Ide\IdePort0. In addition, I am repeatedly getting this warning as well: (1) An error was detected on device \Device\Harddisk0\D during a paging operation. I just got this back from repair, where before, I couldn't boot at all because I was led to a black screen saying "Operating System Not Found". Still, I got it back and it can boot again, without any hard drive replacement or data loss. So, how can I get rid of these errors and warnings? What could have happened during repairs to allow my netbook to boot again? Thanks in advance.

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• Installed ASUS HD4670, now unable to install ANY Debian due to low memory corruption

  - by Alfabravo

  I have a desktop PC which initially had the Intel D946gzis mobo, its chipset as video controller, some RAM and so. There I installed Debian without a problem alongside WindowsXP. I've bought an ASUS HD 4670 video card, installed it on the PC and now the installed Debian does not work, while the Ubuntu live CD refuses to run no matter if I set acpi, apic on or off... it throws me some low memory corruption at position just like shown here. With normal configuration, Debian throws kernel panic (keyboard lights blinking). Anyone have faced this before? Ideas? Thanks!! (meanwhile, debian hides in a virtualbox :'( ) Edited: Tried Ubuntu 9.10 x64 (due to the fact i've a core2duo at 2GHz) and it throws a kernel-panic to me (flashing caps and num LEDs). On screen, can be read different lines with things like: ... [ 1.957161] [] rb_erase+0xd6/0x160 [ 1.957266] [] page_fault+0x25/0x30 Could it be something about this new video card having ddr3?

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• Reputable TabletPC vendors

  - by snorfys

  I'm developing software for tablet pcs and so far I've used some lenovo's (x41), some toshiba's (portege m200) and some gateways (M275). Granted: the machines we've gotten have predominantly been refurbs, but they're failing 80-90% of the time. Part of the reason that they're failing is users inevitably dropping them, so I'm looking at potentially some rugged tablet pcs. The problem that I'm running into is that Current tablet pcs are high spec (much higher than I'm looking for at least) The rugged tablet manufacturer space seems to be filled with lots of small companies that I don't trust yet. I'm looking for tablet PCs (keyboard or no) that can support: XP tpc (optional win 7) single core 1.5-2ghz 1gb ram wifi optional gsm optional gps very optional vehicle docking solutions The budget I've got is tight (but slightly flexible - So are there any reputable tablet pc vendors out there that can do this.

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• Benchmarking MySQL on win7

  - by Patrick

  I've setup a nginx server running php 5.3.6 and mysql 5.5.1.3. My computer is an AMD quadcore 9650, 4gb ram, 500gb 7200rpm HD. I ran the PHP MySQL Benchmark Tool v. 0.1, and got the following results: Testing a(n) MYISAM table using 100000 rows. Successfully created database speedtestdb Sucessfully created table speedtesttable Table Type Verified: MYISAM .. Done. 100000 inserts in 19.73628 seconds or 5067 inserts per second. Done. 100000 row reads in 0.2801 seconds or 357015 row reads per second. Done. 100000 updates in 4.03876 seconds or 24760 updates per second. I'm wondering where this stands as far as performance goes, and what are some steps I can take if any to improve on this. I'm not trying to make anything fantastic, just getting a feel for how to best optimize a web server in this configuration.

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• Windows 7 64 Bit Can't Get Past Format

  - by Soren

  favorite Just assembled a new machine: MSI 880GM-E41 motherboard 500GB Samsung hard drive AMD Athlon II X4 640 processor 4GB RAM Windows 7 64 Bit LITE-ON Black 4X Blu-ray reader I boot up, start the install. When it gets to the screen to select what partition, the motherboard loses power. It doesnt make sense, I can leave it in the bios settings for a very long time and it doesnt lose power. When it does lose power, the monitor shuts down and the mouse loses power, but the power light stays on. I cannot tell if it is a harware or software problem.

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• Dual monitors though 1 HDMI port

  - by Carlos

  I currently have a Dell Studio XPS 13 laptop connected to a 24" HP monitor (w2448hc). Im thinking on getting a second one, however am wondering what i need for the setup (hardware wise). Also I was wondering it there is any down side to it, or something i should be aware of. For example, image quality loss, GPU overloading, or anything important I should know. More than anything Im interested in your advice. Also the monitors do have built in speakers (HDMI sound output), is the sound going to be reproduced by only one monitor or both? Specs Model: Dell Studio XPS 13 OS: Genuine Windows® 7 Home Premium 64-Bit CPU: Intel® CoreTM 2 Duo P8600 (2.4GHz, 3MB L2 Cache, 1067MHz FSB) Chipset: NVIDIA® GeForce® MCP79MX RAM: 4GB 1067MHz DDR3 SDRAM Graphics: SLi NVIDIA® GeForce® 9500M - 256MB Thanks for your advice, if there is anything additional i need to buy an you have a personal preference pass the brand name so i can check it out. Thanks!

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• AWS RDS connection count

  - by wmarbut

  I am using AWS RDS with MySQL for a project and have a "large" instance. The documentation is clear on what this means as far as compute resources and RAM goes, but I can't find anything that documents how many open database connections that I can have. The app that I am using is PHP and it utilizes PDO with persistent connections. This means that the number of open connections could reach the maximum number of PHP child processes running at any given point. How do I ensure that my RDS instance has a max connections setting high enough to be comfortable with this?

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• Suggestions for a nice&small - high battery life programmer notebook

  - by Emir

  Hi guys, I'm planning to buy a new notebook since the Toshiba I have now sucks in battery life. I'm a web designer & programmer, and the main features of the notebook should be: High battery life Small, 13.3" or 14" screen A fast processor and RAM that won't let me down while multi-tasking Anything other than these is secondary, I wouldn't like it to be very pricey though :) I'm now leaning towards Macbook Pro 13.3", 2.66 Ghz; it has 10 hours of battery life. However, I mostly develop on Windows, so I don't know how many hours of battery will I get if I run Windows 7 on Bootcamp. Your ideas and suggestions will be much appreciated.

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• Feedback request: Linode for Magento hosting?

  - by Ernest

  Hello, i install and customize a self made application for web pages which uses spring+jstl and the admin uses flex. Also i want to add to my offers an ecommerce cms, so i have decided to start with magento. I'm using daily razor vps, however i was thinking in switching to linode because of the price. My questions are: 1.- Is linode good for magento ? 2.- is linode good for java+tomcat+jstl+mysql apps ? 3.- What are the most demanding resources to magento ? CPU ? RAM ? Does it consumes more if i have more products? Well i hope to learn from you, this page is always so helpful UPDATE: A final question: 4.- Do you recomend another vps service for my requieriments ?

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• Windows 7 installation reboot loop

  - by Auswoolf

  Upgrading from Vista home premium to win 7 hoe premium from DVD ex Digital river on gigabyte VM900m; core 2 duo 2.13GHz 2GB ram; Western digital 250GB HD. Got as far as "Expanding Windows files ...100% the error message "Computer encountered unexpected error... To install windows press OK to restart computer and reinstall windows" The computer then reboots, loads Windows 7 (new logo) a essage that says "setup is starting services" then the error message comes back. I can get into BIOS to change boot priority but the computer just ignores this and goes through the same sequence. At the point of "to boot from CD/DVD press any key" my keyboard is deactivated and i cannot make a choice and the sae sequence occurs. I cannot break the sequence - I have push every key, disconnected every external device including HDMI screen, but nothing stops the loop. Any ideas? Auswoolf

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• lsass.exe memory leak on windows 2003 server

  - by thelsdj

  In the past month or so I noticed that lsass.exe has started to leak memory, getting to 500MB+ of ram in under a week after reboot. Before this I had never noticed it using any significant amount of memory compared to other processes on the system. This is happening on 2 identical servers, neither of which has anything to do with Active Directory. Maybe a recent Windows Update has caused this? Any thoughts on things to check? As a side question is there some way to recycle the memory usage of lsass.exe without rebooting? Edit: Here is what I'm seeing in Process Monitor, there are thousands of registry open/query/close a minute from lsass.exe. How can I track down what is triggering these?

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• Windows 7 Can't Get Past Format

  - by Soren

  Just assembled a new machine: MSI 880GM-E41 motherboard 500GB Samsung hard drive AMD Athlon II X4 640 processor 4GB RAM Windows 7 64 Bit LITE-ON Black 4X Blu-ray reader I boot up, start the install. When it gets to the screen to select what partition, the motherboard loses power. It doesnt make sense, I can leave it in the bios settings for a very long time and it doesnt lose power. When it does lose power, the monitor shuts down and the mouse loses power, but the power light stays on. I cannot tell if it is a harware or software problem.

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• Samsung 530U3C clean system installation

  - by user1292810

  I have bought Samsung 530U3C notebook with i5-3317/12GB RAM/500GB HDD/24GB ExpressCache/Windows 8 preinstalled. I would like to install my own clean version of Win8. But I would like to preserve recovery partition. I will sell this laptop in probably 1-1.5 year and I would like to be able to restore settings to factory ones. What is more, in the future I would like to install Ubuntu as well, but Windows goes first. At the moment discs and partitions looks like below (sorry for non English screen): http://i.stack.imgur.com/p4W6t.jpg DISC 0: 500MB - recovery partition 300MB - system partition 442.22GB - Drive C: - Boot, Page File, Crash Dump, Primary partition 21.64GB - recovery partition 1.00GB - recovery partition DISC 1: 9.00GB - primary partition 13.24GB - primary partition Which partitions can I format and which of them should I preserve? Can I format and merge partitions from that 24GB ExpressCache and install Windows on it?

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• What is the data transfer speeds within the disk, to other devices?

  - by Kumar

  I use Debian 6 on a HP Elitbook 6930 with 2Gigs of RAM. I was copying two AVI files, 1.5 GB in total, and noticed that the data copying was done at the rate of 4MB/sec. When I copy same AVIs to my Western Digital Passport 25G USB plugin drive the data transfer speed is 11+MB/sec. This speed is different if I plugin the drive to different USB ports. Interestingly, at work I also downloaded a 16MB IE8 exe on my virtual xp, run inside Oracle Sun Virtual Box, and it was downloaded AND saved within a second. We have a high speed network at work. :-) Why and how this difference in data speeds is possible?

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• Apache out of memory on

  - by Sherif Buzz

  Hi all, I have a VPS with 768 MB RAM and a 1.13 GHZ processor. I run a php/mysql dating site and the performance is excellent and server load is generally very low. Sometimes I place ads on Facebook and at peak times I can get 100-150 clicks within a few seconds - this causes the server to run out of memory : Cannot allocate memory: couldn't create child process: /opt/suphp/sbin/suphp .... And all users receive an error 500 page. I am just wondering if this sounds reasonable or not - to me 100-150 does not seem to be a number that should cause apache to run out of memory. Any advice/recommendations how to diagnose the issue highly appreciated.

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• apache performance improvements and maxclients

  - by updog

  I know this has been asked a few (thousand) times around the internet but I was hoping someone whose in the know might be able to comment on my particular setup. I have a web server hosting one site (php/codeigniter) with a wordpress blog in a sub directory. The server has 2GB RAM, 3GHz CPU and I have offloaded the static assets to CloudFlare which is has reduced bandwidth for the actual server by almost 75%. The problem I have is when an email campaign is sent out that links to the site or blog, it slows down. Below is my settings in apache2.conf. Average apache process size is 80M and there is 1.5GB available for apache. <IfModule mpm_prefork_module> StartServers 8 MinSpareServers 5 MaxSpareServers 20 MaxClients 20 MaxRequestsPerChild 2000 </IfModule> I have already setup and installed apc and built some caching into the site and used w3totalcache on the blog. The number of concurrent users is around 2-300 when there is a campaign, are there any further optimisations before

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• Lots of mysql Sleep processes

  - by user259284

  Hello, I am still having trouble with my mysql server. It seems that since i optimize it, the tables were growing and now sometimes is very slow again. I have no idea of how to optimize more. mySQL server has 48GB of RAM and mysqld is using about 8, most of the tables are innoDB. Site has about 2000 users online. I also run explain on every query and every one of them is indexed. mySQL processes: http://www.pik.ba/mysqlStanje.php my.cnf: # The MySQL database server configuration file. # # You can copy this to one of: # - "/etc/mysql/my.cnf" to set global options, # - "~/.my.cnf" to set user-specific options. # # One can use all long options that the program supports. # Run program with --help to get a list of available options and with # --print-defaults to see which it would actually understand and use. # # For explanations see # http://dev.mysql.com/doc/mysql/en/server-system-variables.html # This will be passed to all mysql clients # It has been reported that passwords should be enclosed with ticks/quotes # escpecially if they contain "#" chars... # Remember to edit /etc/mysql/debian.cnf when changing the socket location. [client] port = 3306 socket = /var/run/mysqld/mysqld.sock # Here is entries for some specific programs # The following values assume you have at least 32M ram # This was formally known as [safe_mysqld]. Both versions are currently parsed. [mysqld_safe] socket = /var/run/mysqld/mysqld.sock nice = 0 [mysqld] # # * Basic Settings # user = mysql pid-file = /var/run/mysqld/mysqld.pid socket = /var/run/mysqld/mysqld.sock port = 3306 basedir = /usr datadir = /var/lib/mysql tmpdir = /tmp language = /usr/share/mysql/english skip-external-locking # # Instead of skip-networking the default is now to listen only on # localhost which is more compatible and is not less secure. bind-address = 10.100.27.30 # # * Fine Tuning # key_buffer = 64M key_buffer_size = 512M max_allowed_packet = 16M thread_stack = 128K thread_cache_size = 8 # This replaces the startup script and checks MyISAM tables if needed # the first time they are touched myisam-recover = BACKUP max_connections = 1000 table_cache = 1000 join_buffer_size = 2M tmp_table_size = 2G max_heap_table_size = 2G innodb_buffer_pool_size = 3G innodb_additional_mem_pool_size = 128M innodb_log_file_size = 100M log-slow-queries = /var/log/mysql/slow.log sort_buffer_size = 5M net_buffer_length = 5M read_buffer_size = 2M read_rnd_buffer_size = 12M thread_concurrency = 10 ft_min_word_len = 3 #thread_concurrency = 10 # # * Query Cache Configuration # query_cache_limit = 1M query_cache_size = 512M # # * Logging and Replication # # Both location gets rotated by the cronjob. # Be aware that this log type is a performance killer. #log = /var/log/mysql/mysql.log # # Error logging goes to syslog. This is a Debian improvement :) # # Here you can see queries with especially long duration #log_slow_queries = /var/log/mysql/mysql-slow.log #long_query_time = 2 #log-queries-not-using-indexes # # The following can be used as easy to replay backup logs or for replication. # note: if you are setting up a replication slave, see README.Debian about # other settings you may need to change. #server-id = 1 #log_bin = /var/log/mysql/mysql-bin.log expire_logs_days = 10 max_binlog_size = 100M #binlog_do_db = include_database_name #binlog_ignore_db = include_database_name # # * BerkeleyDB # # Using BerkeleyDB is now discouraged as its support will cease in 5.1.12. skip-bdb # # * InnoDB # # InnoDB is enabled by default with a 10MB datafile in /var/lib/mysql/. # Read the manual for more InnoDB related options. There are many! # You might want to disable InnoDB to shrink the mysqld process by circa 100MB. #skip-innodb # # * Security Features # # Read the manual, too, if you want chroot! # chroot = /var/lib/mysql/ # # For generating SSL certificates I recommend the OpenSSL GUI "tinyca". # # ssl-ca=/etc/mysql/cacert.pem # ssl-cert=/etc/mysql/server-cert.pem # ssl-key=/etc/mysql/server-key.pem [mysqldump] quick quote-names max_allowed_packet = 16M [mysql] #no-auto-rehash # faster start of mysql but no tab completition [isamchk] key_buffer = 16M # # * NDB Cluster # # See /usr/share/doc/mysql-server-*/README.Debian for more information. # # The following configuration is read by the NDB Data Nodes (ndbd processes) # not from the NDB Management Nodes (ndb_mgmd processes). # # [MYSQL_CLUSTER] # ndb-connectstring=127.0.0.1 # # * IMPORTANT: Additional settings that can override those from this file! # The files must end with '.cnf', otherwise they'll be ignored. # !includedir /etc/mysql/conf.d/

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• Acer Aspire ASE700-UQ660A will not respond to power button

  - by Tim R.

  This is something of a continuation of this question. I am now completely unable to boot this computer. The last time I used it, I used hibernation mode. When I needed to use it again, it would not respond at all to the power button, keyboard, or mouse. I tried: Holding down the power button for 15 seconds pressing the power button Unplugging the power cord for 30 seconds, plugging it back in, and trying again Removing the motherboard battery for over a minute and reinstalling it Before removing the motherboard battery, none of the lights on the front of the computer lit up. After reinstalling the battery and plugging the power cord back in, the light behind the power button is constantly illuminated (without even pressing the power button), but there is still no response to the power button, no fans turned on, nothing else that would indicate that it is running. System: Acer Aspire ASE700-UQ660A (Specs should be all factory defaults except:) 4 GB RAM Nvidia GeForce 8600 GT with driver version 197.45 Windows 7 Professional 64 bit

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