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• Laptop choice for development: MacBook Pro 17 vs Dell Studio XPS 16 vs HP Envy 15

  - by Shalan

  Hey! First things first - let me state that I am not intending to play games on this - I have narrowed down to these 3 purely based on specs and its individual brand reliability in the market. I intend to primarily use: Visual Studio 2008 Pro a lot (develop and deploy on Windows platforms) SQL Server 2005 Oracle 10g Adobe Photoshop CS4 Microsoft Expression Studio Google Sketchup I currently use a desktop PC (Core2Duo 2.66Ghz with 3GB DDRII memory) running Vista Business 32-bit - and I have to admit that, especially for Visual Studio, its quite sluggish to a point where it affects productivity. Furthermore, I intend to only use the notebook on a table - with a cooled surface, like granite :) - so I would appreciate people's input with regard to heat issues. Im aware that the Dell's primary exhaust gets blocked by the lid when open, but some reviews don't seem to place extraordinary emphasis on heat issues resulting from this. My options for the Dell/Alienware: Core i7 720QM 4GB DDRIII memory ATI mobility 3670 (512) 128GB Solid State Drive 16-inch Full HD RGB-LED LCD display (1080p) 3-year next-business-day support My configuration for the Apple MBP: Core2Duo 2.8Ghz (Im assuming the T9600) 4GB DDRIII memory 128GB Solid State Drive standard 1 year support The one advantage I think of with the MBP is that I can have the addition of OSX (though Im unsure what I would use it for, but purely to play around with a much-boasted-about OS) What are your thoughts on this, especially regarding build-quality, heat, performance and battery-life? Much thanks! ~shalan

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• Staying anonymous while hosting your site?

  - by jamesCroft

  I don't mean anonymous surfing. I mean hosting and having your own domain and such. The reason is that my blog is about religious/political topics which may cause me trouble in the future. This is the domain I am working on: www.james-croft.com I know that using Whois search my name can come up: http://www.networksolutions.com/whois-search/james-croft.com The solution to that, as far as I understood, is to buy a privacy package from the domain registrar. in my case it is lucky register: http://i.stack.imgur.com/uvOdc.png Also hosting is a concern. I use the same hosting service for multiple websites. My question is this: Can my hosting be tracked and be used to identify me? Also: Are there other methods of finding out my identity from either Google Adsense or Amazon affiliate programs? I couldn't find any relevant articles online. If there is anything else that is relevant, please let me know. I appreciate any response.

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• How can the little guys effectively learn and use puppet?

  - by drumfire

  Six months ago, in our not-for-profit project we decided to start migrating our system management to a Puppet controlled environment because we are expecting our number of servers to grow substantially between now and a year from now. Since the decision has been made our IT guys have become a bit too annoyed a bit too often. Their biggest objections are: "We're not programmers, we're sysadmins"; Modules are available online but many differ from one another; wheels are being reinvented too often, how do you decide which one fits the bill; Code in our repo is not transparent enough, to find how something works they have to recurse through manifests and modules they might have even written themselves a while ago; One new daemon requires writing a new module, conventions have to be similar to other modules, a difficult process; "Let's just run it and see how it works" Tons of hardly known 'extensions' in community modules: 'trocla', 'augeas', 'hiera'... how can our sysadmins keep track? I can see why a large organisation would dispatch their sysadmins to puppet courses to become puppet masters. But how would smaller players get to learn puppet to a professional level if they do not go to courses and basically learn it via their browser and editor?

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• Broke NetBeans file associations in Windows XP how do I get them back?

  - by Serhiy

  I broke my file association in XP... Does anyone have any clue how to fix it? When I right click and select Open With... the application I want to use (NetBeans) to open the file is not on the list... and when I browse for it it won't let me select it (well it does but then won't add it to the list). The way I broke it is by installing 6.7 and then uninstalling 6.5.... since then my file associations have all been broken. I even tried uninstalling NetBeans and reinstalling it again... no luck... I even went as far as adding my own action called "OpenIt" to the file types I wanted... and that works... but only if the file/folders that contain in don't have any spaces... otherwise NetBeans throws a ".....does not exist, or is not a plain file". Thus nothing off the desktop can be opened... Does anyone know of how I can fix this problem? Thanks.

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• To clone or to automate a system installation?

  - by Shtééf

  Let's say you're setting up a cluster of servers performing the same task. Or say you're just setting up a bunch of different servers, but you expect to use a base configuration on all of your servers. Would it be better practice to create a base image and clone it, or to automate the installation and configuration? I occasionally end up in this argument with my boss, in situations where we're time-pressed. When he sees me struggle with perfecting the automation, his suggestion is often to clone the entire disk to the other machines. But my instinct has always been to avoid cloning. This is mostly from an Ubuntu perspective, but the question is fairly general. My reasons for avoiding cloning are: On a typical install, even if it's fresh, there are already several unique identifiers installed: filesystem UUIDs, SSH host keys, among others. These would have to be regenerated. Network needs to be reconfigured for each clone. This would need to be done off-line, of course, or the settings will conflict with other machines on the network. On the other hand, some of the cloning advantages are quite clear as well: (Initially?) less effort required than automating configuration. Tools exist to quickly address (some) of the above disadvantages. (I can see right through my own bias there.)

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• Python easy_install confused on Mac OS X

  - by slf

  environment info: $ echo $PATH /opt/local/bin:/opt/local/sbin:/sw/bin:/sw/sbin:/usr/bin:/bin:/usr/sbin:/sbin:/usr/local/bin:/usr/X11/bin:/usr/X11R6/bin:/opt/local/bin:/Developer/Platforms/iPhoneOS.platform/Developer/usr/bin:~/.utility_scripts $ which easy_install /usr/bin/easy_install specifically, let's try the simplejson module (I know it's the same thing as import json in 2.6, but that isn't the point) $ sudo easy_install simplejson Searching for simplejson Reading http://pypi.python.org/simple/simplejson/ Reading http://undefined.org/python/#simplejson Best match: simplejson 2.1.0 Downloading http://pypi.python.org/packages/source/s/simplejson/simplejson-2.1.0.tar.gz#md5=3ea565fd1216462162c6929b264cf365 Processing simplejson-2.1.0.tar.gz Running simplejson-2.1.0/setup.py -q bdist_egg --dist-dir /tmp/easy_install-Ojv_yS/simplejson-2.1.0/egg-dist-tmp-AypFWa The required version of setuptools (>=0.6c11) is not available, and can't be installed while this script is running. Please install a more recent version first, using 'easy_install -U setuptools'. (Currently using setuptools 0.6c9 (/System/Library/Frameworks/Python.framework/Versions/2.6/Extras/lib/python)) error: Setup script exited with 2 ok, so I'll update setuptools... $ sudo easy_install -U setuptools Searching for setuptools Reading http://pypi.python.org/simple/setuptools/ Best match: setuptools 0.6c11 Processing setuptools-0.6c11-py2.6.egg setuptools 0.6c11 is already the active version in easy-install.pth Installing easy_install script to /usr/local/bin Installing easy_install-2.6 script to /usr/local/bin Using /Library/Python/2.6/site-packages/setuptools-0.6c11-py2.6.egg Processing dependencies for setuptools Finished processing dependencies for setuptools I'm not going to speculate, but this could have been caused by any number of environment changes like the Leopard - Snow Leopard upgrade, MacPorts or Fink updates, or multiple Google App Engine updates.

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• Fedora-13 not detecting USB HDD enclosure (with HDD)

  - by Ramy

  I recently purchased this enclosure: http://www.amazon.com/Inland-2-5-Inc.../dp/B003SZ2Y12 and this HDD: http://www.amazon.com/Seagate-Barrac...3811667&sr=8-1 Now, I let my brother in law use the enclosure with his 160GB disk to back some stuff up. He then gave me that disk in my enclosure and I backed up my computer and my fiances computer. So...obviously, i had no problem mounting that disk. I plan on keeping this disk as my "natural disaster backup" (in case my apartment building burns down, i still have that disk with my stuff backed up). I want to use the 1.5T disk as my regular/more frequent backup device, but it doesn't seem to be mounting to my F-13 machine. I searched through this forum and found someone advising to run the following: # mount -t vfat /dev/sda1 /mnt this is the output i get when I run that: mount: /dev/sda1 already mounted or /mnt busy mount: according to mtab, /dev/sda1 is mounted on /boot Thing is, shouldn't this disk automatically mount just like the LAST disk in the same enclosure with the same USB cable and power supply? Any help would be greatly appreciated. THANKS!

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• itunes iphone sync stuck on "Waiting for items to copy"

  - by lindes

  superuser crowd, I've found a number of threads about this, but have yet to find a satisfactory answer. Perhaps I'll have better luck on this site?? I hope so... I'm having a problem with iTunes where syncing my iPhone ends up seeming to basically finish, but it says "Waiting for items to copy" after everything else, and just stays there for... well, a very long time, if I let it. Oh, and I'm not sure this is always the case, but at the moment, it's doing this while "Syncing Genius Data to [my iPhone] (Step 8 of 8)". If I click the little x in iTunes, it then gets stuck on "Canceling sync", for an equally indefinite sort of period. If I simply unplug the phone, everything seems to be synced and happy, but the next time I sync, it happens again. I presume this is a bug of some sort on Apple's part, but it seems like people have found workarounds... I'm just having trouble tracking one down that (a) is well described enough that I can actually follow it, (b) has enough detail that I can do it without losing data (i.e. tells me pathnames that I might want to copy first, or the like, before telling me to remove something) (note: see also point (a) -- I can't remove it if it's telling me to remove something that I don't know where it is!), and (c) otherwise seems sane. I'm hoping that here perhaps I'll get better luck -- with either a workaround, and/or debugging tips for figuring out how to find myself a workaround. Note: I'm busy with some other things at the moment, but can try to add some additional information later, if necessary.

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• Reviving a dead laptop battery

  - by Alex Ciminian

  Is there any way to revive a dead laptop battery? I have a three year old Dell Latitude laptop that I've been using pretty intensively. After a year or so, the battery dropped dead - if I plug the laptop out it goes into hibernation in a matter of seconds. Probably this was because I kept working on it plugged in all the time, but back then I didn't realize what effect it could have (this was my first laptop). Currently, I'm searching for a new laptop and I was thinking if there was something I could do to get the battery back working. I've found several links (sorry, I'm a new user so I can't post them) about freezing Li-ion batteries, but the opinions seem to mixed - some say that it worked for them, some not. If you've tried the freezing technique please let me know if it works. Or if you know another way to make a dead battery work again, please share here. I've already seen this thread, but I'm not very handy with soldering. If it's the only alternative I'll try it, but there's a big chance that I'll screw it up. Thanks!

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• Nagios Apache Config with PHP-FPM downloading cgi files

  - by tubaguy50035

  I'm trying to setup Nagios 3 under Apache 2.4 with PHP-FPM. I've run into a couple problems I could use help with. The PHP side of things seems to be working, I can see the home page and the sidebar. But all of the CGI files are downloading instead of executing, and when I try to click on "Read What's New In Nagios Core 3", I get an error /nagios3/docs/whatsnew.html was not found on this server. Below is my vhost config for Nagios. <VirtualHost *:300> # apache configuration for nagios 3.x ScriptAlias /cgi-bin/nagios3 /usr/lib/cgi-bin/nagios3 ScriptAlias /nagios3/cgi-bin /usr/lib/cgi-bin/nagios3 # Where the stylesheets (config files) reside Alias /nagios3/stylesheets /etc/nagios3/stylesheets # Where the HTML pages live Alias /nagios3 /usr/share/nagios3/htdocs ProxyPassMatch ^/(.*\.php)$ fcgi://127.0.0.1:9001/usr/share/nagios3/htdocs/$1 <DirectoryMatch (/usr/share/nagios3/htdocs|/usr/lib/cgi-bin/nagios3|/etc/nagios3/stylesheets)> Options FollowSymLinks ExecCGI AllowOverride AuthConfig Order Allow,Deny Allow From All AuthName "Nagios Access" AuthType Basic AuthUserFile /etc/nagios3/htpasswd.users require valid-user </DirectoryMatch> <Directory /usr/share/nagios3/htdocs> Options +ExecCGI </Directory> </VirtualHost> I also added this in my global Apache config: AddHandler cgi-script .cgi Any help or instructions you can give me would be much appreciated. If more information is needed, let me know.

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• Can one config LDAP to accept auth from ssh-agent instead of from Kerberos?

  - by Alex North-Keys

  [This question is not about getting your LDAP password to authenticate you for SSH logins. We have that working just fine, thank you :-) ] Let's suppose you're on a Linux network (Ubuntu 11.10, slapd 2.4.23), and you need to write a set of utilities that will use ldapmodify, ldapadd, ldapdelete, and so on. You don't have Kerberos, and don't want to deal with its timeouts (most users don't know how to get around this), quirks, etc. This resolves the question to one of where else to get credentials to feed to LDAP, probably through GSSAPI - which technically doesn't require Kerberos despite its dominance there - or something like it. However, nearly everyone seems to have an SSH agent program, complete with its key cache. I'd really like an ssh-add to be sufficient to allow passwordless LDAP command use. Does anyone know of a project working on using the SSH agent as the source of authentication to LDAP? It might be through an ssh-aware GSSAPI layer, or some other trick I haven't thought of. But it would be wonderful for making LDAP effortless. Assuming I haven't just utterly missed a way to use ldapmodify and kin without having to type my LDAP passwords - using -x is NOT acceptable. At my site, the LDAP server only accepts ldaps connections, and requires authentication for modifying operations. Those are requirements, of course. Any ideas would be greatly appreciated. :-)

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• Random Hard Freeze of Windows 7 (is Kaspersky to be blamed for this?)

  - by Christian Ivicevic

  The last few weeks I experienced a new strange behavior of my computer. Sometimes Windows 7 just freezes with no real reason at all. While listening to music for example the playback hangs and you can hear a very nasty sound. Neither mouse nor keyboard input is handled and everything is just stuck. Using Ubuntu this does not happen, so I think it is just a matter of driver issues or a Windows 7 bug. Furthermore I am really suspicious about Kaspersky (Internet Security 11) and so I let it perform a complete virus scan while no other app is running. At about 50% it happened again and I needed to restart the computer by holding the power button the bad way... A really weird thing is that playing Skyrim this happened once, however music playback did not stop. Only the framerate dropped to 0 and sometimes for a few seconds I am able to move. Therefore I am really confused as furthermore no bluescreen pops up. Memtest told me that everything seems to be alright... Can anyone explain me which data you need about my hardware and software (and which tools tools to use to gather the informatik) to be able to provide any help on my problem?

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• On a dual-GPU laptop, is using the discrete GPU ever more power efficient?

  - by Mahmoud Al-Qudsi

  Given a laptop with a dual integrated/discrete GPU configuration, is it ever more power efficient to use the discrete GPU instead of the integrated? Obviously when writing an email or working on a spreadsheet, the integrated GPU will always use less power. But let's say you're doing something graphics-medium but not graphics-intensive/heavy - is there a point where it actually makes sense to fire up the discrete GPU, not for performance but for power-saving reasons? Off the top of my head, I can think of a scenario where the external GPU supports hardware decoding of a particular video codec - I'd imagine there is a "price point" where using the GPU saves more energy than decoding that fully in software would. But I think most GPUs, integrated or discrete, pretty much decode just the plain-Jane h264. But maybe there is something more complicated, perhaps if you're doing something like desktop/windowing animations or a flash animation on a website (not an embedded flash video) - maybe the discrete GPU will use enough less power to make up for switching to it? I guess this question can be summed up as to whether or not you can say beyond doubt that if you don't care for performance on a laptop with two GPUs, always use the integrated GPU for maximum battery life.

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• Puppet: array in parameterized classes VS using resources

  - by Luke404

  I have some use cases where I want to define multiple similar resources that should end up in a single file (via a template). As an example I'm trying to write a puppet module that will let me manage the mapping between MAC addresses and network interface names (writing udev's persistent-net-rules file from puppet), but there are also many other similar usage cases. I searched around and found that it could be done with the new parameterised classes syntax: if implemented that way it should end up being used like this: node { "myserver.example.com": class { "network::iftab": interfaces => { "eth0" => { "mac" => "ab:cd:ef:98:76:54" } "eth1" => { "mac" => "98:76:de:ad:be:ef" } } } } Not too bad, I agree, but it would rapidly explode when you manage more complex stuff (think network configurations like in this module or any other multiple-complex-resources-in-a-single-config-file stuff). In a similar question on SF someone suggested using Pienaar's puppet-concat module but I doubt it could get any better than parameterised classes. What would be really cool and clean in the configuration definition would be something like the included host type, it's usage is simple, pretty and clean and naturally maps to multiple resources that will end up being configured in a single place. Transposed to my example it would be like: node { "myserver.example.com": interface { "eth0": "mac" => "ab:cd:ef:98:76:54", "foo" => "bar", "asd" => "lol", "eth1": "mac" => "98:76:de:ad:be:ef", "foo" => "rab", "asd" => "olo", } } ...that looks much better to my eyes, even with 3x options to each resource. Should I really be passing arrays to parameterised classes, or there is a better way to do this kind of stuff? Is there some accepted consensus in the puppet [users|developers] community? By the way, I'm referring to the latest stable release of the 2.7 branch and I am not interested in compatibility with older versions.

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• Clicking a link in IE6 doesn't load page (internal DNS entry on our intranet)

  - by Callum

  I have a very strange problem that is only affecting some versions of IE6. The problem does affect IE 6.0.2900.5512, but does not seem to affect 6.0.3790.3959 Basically I work for a company and we have an intranet. While I'm not an expert on "internal DNS pointers", what I was able to do was create a website (let's say about football), and when an employee who is sitting behind the company firewall types the word "football" in to the web address bar of their web browser, they get redirected to a particular server. I am told this is some kind "internally pointing DNS entry". So, I've set one of these up, and I have a placed a link to it on our company intranet page. However, when the link is clicked in IE6.0.2900.5512, the page goes blank. Clicking "refresh" then loads the correct page (the one specified in the link). Can anyone help me out here. I have tried changing the way URL is formed, everything from //football to http://football/ etc. The link works fine in every other browser and IE7+, but unfoturnatly, IE6 is still the most common browser in use at my organisation.

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• Starfield Wildcard SSL Certificate Not Trusted in All Browsers

  - by Austen Cameron

  I am at a loss as to what else I might try in order to debug this issue with a Starfield Wildcard SSL Certificate. The problem is that in certain browsers (Safari or the most-updated chrome you can get for OS X 10.5.8 for example) the certificate comes up as untrusted, even on the root domain. My server setup / background info: General LAMP setup - CentOS 6.3 - on a Godaddy VPS Starfield Technologies Wildcard SSL certificate Installed using the instructions from godaddy's support pages ssl.conf lines are basically as follows: SSLCertificateFile /path/to/cert/mysite.com.cert SSLCertificateKeyFile /path/to/cert/mysite.key SSLCertificateChainFile /path/to/cert/sf_bundle.crt Everything seemingly worked fine until the other night when I noticed the problem in OS X, I assume it's more browser version related, but have only been able to replicate it on that particular machine. What I have tried: Updating sf_bundle.crt from godaddy's cert repository and Starfield's repository versions Following This ServerFault answer from Jim Phares - changing the ChainFile line to sf_intermediate.crt from Starfield's repository Using http://www.sslshopper.com/ssl-checker.html on my url It says the domain is correctly listed on the certificate but comes up with an error that reads The certificate is not trusted in all web browsers. You may need to install an Intermediate/chain certificate to link it to a trusted root certificate. What might I try next to remedy the untrusted certificate issue? Let me know if there is any other information needed that might help debugging this issue. Thanks in advance!

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• Changing externally visible IP on a multi-IP router?

  - by AlternateZ

  I work at a public library and I'm trying to configure OCLC's EzProxy software. I've run into a problem and I think it's related to our network config. I'm punching above my weight here a little so I need some help. I think I'm trying to configure a 1:1 NAT, but not sure how or if our hardware supports it. The EzProxy machine is on an internet line which supports multiple external IPs. Our router is a Billion BiGuard30. There's another server on this line, let's say its IP is x.x.x.9. The EzProxy machine is x.x.x.11 I've set up port forwarding from x.x.x.11 on the http ports to the EzProxy machine. Trying to browse to x.x.x.11 from an external PC works fine - we get to the EzProxy page we are serving. However, if we go to something like WhatIsMyIP from the EzProxy machine, it says that its IP is x.x.x.9. This causes problems with our user authentication software. How do we make the rest of the internet see that the machine is x.x.x.11? There doesnt seem to be any "outbound port forwarding" on the Billion router, nor is there any "1:1 NAT" options in its config webpage. The EzProxy machine is running Ubuntu 12.04, if that helps.

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• Run Explorer in SYSTEM account on Windows Vista or 7 using Sysinternal’s psexec tool?

  - by Rob

  Has anyone been successful at launching an instance of Windows Explorer in the SYSTEM account on Windows Vista or 7? It is possible to do this on XP, but I haven't been able to get it to completely work in Vista or 7. Trying to launch Explorer as SYSTEM into session 1 (my user session) results in Explorer exiting immediately and returning an error code of 1. I can launch Explorer as SYSTEM into session 0 with the following command: psexec -i 0 -s explorer That will create an instance of explorer running as SYSTEM with a taskbar and start menu on the hidden session 0 desktop, but won't let you open a file browser window. If you switch to the hidden session 0 desktop and try to open an Explorer window from there to browse files, the following error message appears: "The server process could not be started because the configured identity is incorrect. Check the username and password." I have set the following registry key to 1 for my user account and the SYSTEM account: \Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\SeparateProcess There has got to be a way to make this work? If it is not possible, can anyone explain why? -Rob

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• Hiera can't find puppet environment

  - by quickshiftin

  I'm testing out hiera and hitting a snag on the hierarchy configuration. What I have is extremely simple, the part that isn't working is specification of hiera datadir files based on environment. Here's the config file (/etc/hiera.yaml) I'm trying --- :backends: - yaml :logger: console :hierarchy: - "%{::environment}" :yaml: :datadir: /var/lib/hiera Now, I have a file /var/lib/hiera/development.yaml blah: meh When I run hiera it's not finding the file or the value $ hiera -d blah DEBUG: Fri Oct 25 15:50:52 -0600 2013: Hiera YAML backend starting DEBUG: Fri Oct 25 15:50:52 -0600 2013: Looking up blah in YAML backend nil I've verified this agent is configured for development $ sudo puppet agent --configprint environment development Now let me prove hiera is capable of finding something; a change to the hiera.yaml file: :hierarchy: - development And now hiera finds the file and the value $ hiera -d blah DEBUG: Fri Oct 25 15:53:25 -0600 2013: Hiera YAML backend starting DEBUG: Fri Oct 25 15:53:25 -0600 2013: Looking up blah in YAML backend DEBUG: Fri Oct 25 15:53:25 -0600 2013: Looking for data source development DEBUG: Fri Oct 25 15:53:25 -0600 2013: Found blah in development meh So why isn't it working with the dynamic environment configuration? I got that straight from the documentation. Note, I have tried running the hiera command via sudo with no change in the result.

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• Eclipse grinds to a halt when building workspace

  - by Chris Thompson

  Hi all, This is a bit of a vague question because, frankly, I don't even know where to begin diagnosing the issue. My eclipse (Galileo) installation grinds to a complete halt when it's building the workspace -- to the point where I can't even type. I know the Android SDK I have installed is a major culprit because I can watch the memory usage go through the roof (through the built-in heap monitor) when the Android SDK content loader starts up. Every time I save a file though, the program just stops. The message at the bottom of the screen says Building workspace (74%) and sits there for about 30 or so seconds before completing and returning the performance to normal. I have a few other plugins installed (Maven, SVN, etc) but I'm assuming the main issue is Android. Has anybody had similar issues or any luck correcting this sort of problem? If there's anymore information you think would be helpful, just let me know...I didn't want to do a core dump on this question... I'm running it on Windows 7 64-bit for what it's worth. Thanks! Chris

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• Pure-FTPD accounts and permissions for websites

  - by EddyR

  I'm having trouble setting up the appropriate Pure-FTPD accounts and permissions - I have the following sites setup up on my Debian server. /var/www/site1 /var/www/site2 /var/www/wordpress The permissions are 775 for folders and 664 for files. The owner is currently admin:ftpgroup Wordpress also requires special permissions for file uploads in /var/www/wordpress/wp-content/uploads What I need is: a general admin group with access to /var/www a group for each site (site1, site2, wordpress) and a group or user, not www-data (?), with permissions to write files to the wordpress upload folder I ask because restrictions on linux groups (can't have groups in groups) makes it a little bit confusing and also because many of the tutorial sites have conflicting information like, some recommend the use of www-data and some don't. Also, I'm not sure if I understand how Pure-FTP is supposed to work exactly. I create a Pure-FTPD account and assign it a directory (/var/www) and a system user (ftpuser) and group (ftpgroup): Can I assign more than 1 path? For example, if a user requires access to 2 sites. Is it better to assign ftpgroup to all ftp locations and let Pure-FTPD manage account access? Why would anyone have more than 1 ftpuser or ftpgroup? (Doesn't it mean users have access to everyone else's files if they could get there?) Sorry for so many questions at once. I've been reading lots of tutorials but I think they've ended up making me more confused!

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• Do I have to do anything for file ACLs to work both before and after I reformat a computer?

  - by Zian Choy

  Let's say that I have a computer running Windows Vista with 2 users: Alice and Bob. Alice is the admin and Bob is a normal user. They each have files in their respective My Documents folders and Bob is not allowed to view Alice's files and Alice has to jump through a UAC elevation to view Bob's. If Alice copies all the files on the computer to an external NTFS-formatted hard drive with the following 2 commands: robocopy "E:\Bob's Files" "C:\Users\Bob\My Documents" /MIR robocopy "E:\Alice's Files" "C:\Users\Alice\My Documents" /MIR And then reformats the hard drive, installs a fresh copy of Windows, and creates 2 users named Alice and Bob on the computer, then will everything in the first paragraph be true after Alice copies the files back onto the internal hard drive? Assume that when the files are copied back over, she logs in as Bob and then copies Bob's files and likewise with her own files. Possibly relevant: Alice and Bob also have passwords on their user accounts and they create new passwords after the computer is reformatted. The main post has been tweaked slightly to make the question clearer. Answers that predate April 2011 are referring to an earlier version of this post.

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• SSH session closing whilst virtualenv session stays open (I think)

  - by ing0

  I've been developing some sites using Flask recently (running on debian within a virtualenv), and when I am testing I can run it on a port, let's say post 5000. So I run the script like so: . env/bin/activate <- go into virtual environment python file.py <- run python script And I will be given this message: Running on http://0.0.0.0:5000/ So this all works great and I can access my site on this port fine. However... my rubbish ISP always does this thing where it resets something around 1am every morning. I have no idea what this is, everything runs like normal but I always get disconnected from any SSH sessions open. This leaves it running and all I can do is call: lsof -i Which will show me the process but if I kill it and then rerun it things get weird. The: Running on http://0.0.0.0:5000 message still shows but I cannot connect to it anymore. I've tried changing the port number and it seems the only thing that works is trying again later on or on another day. Now I'm assuming that something on my server resets inbetween these times and I would like to think it was maybe that virtualenv session timing out, but I cannot find out how to do this manually, does anyone know?

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• Computer specs for a large database

  - by SpeksETC

  What sort of computer specs (CPU, RAM, disk speed) should I use for running queries on a database of 200+ million records? The queries are for a research project, so there is only one "user" and only one query will be running at a time. I tried it on my own laptop with SQL Server with an i3 processor, 2GB RAM, 5400 RPM disk and a simple query didn't finish even after 8+ hours. I have an option to connect a SSD via eSata and upgrade to 4GB RAM, but not sure if this will be enough... Thanks! Edit: The database is about 25 GB and the indexes are not setup properly. When I tried to add an index, I let it run for about 8 hours and it still hadn't finished so I gave up. Should I have more patience :)? In general, the queries will run once in a while and its ok even if it takes a couple hours to complete.... Also, the queries will produce probably about 10 million records which I need to process using Stata/Matlab and I'm concerned that my current laptop is not strong enough, but unsure of the bottleneck....

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• Installing SQLServer 2005 on Windows 7 64bit

  - by Mostafa

  Hi , It's 3 days I'm trying to install SqlServer 2005 under Windows 7 64 bit on my computer. First let me tell you what I've done and what I've got till now . 1-I Installed Windows 7 64 Bit on my computer 2-I tried to install SQl Server 2005 "Developer Edition" 2.1 But in "System Configuration Check" Page i recieved 2 warning , One for "IIS Feature Requirement" and another for "ASP.NET Version Registration Rquired" . 2.1.1 . I installed "Internet Information Services" from "Turn Windows features on or off" section in control panel 2.1.2 I Enabled reporting service 32 bit from "Inetpub= AdminScripts = adsutil.vbs" 2.2 At this stage There was no waring in System Configuration Check 3- So I installed SQl Server 2005 Developer Edition By all default settings 4- I installed Sql Server 2005 Service Pack 3 64 bit Now when when i run "Management Studio" There is no name in "Server name" section . I typed my Computer name Or "." and i got this Error : A network -related instance-specific error occurred while establishinga connection to SQL Server. The server was not found or was not accessible. Verify that the instance name is correct and that SQL Server is configured to allow remote connections. (Provider: Named Pipes Provider , error :40 - Could not open a connection to SQL Server ) ( Microsoft SQL Server , Error :2) . I googled some for this Error and some people said follow this instruction: Startsql server 2005Configuration toolsSql Server Surface Configuration AreaSurface Area Configuration for services and Connections But i got this Error : No SQl SErver 2005 Components were found on the specified computer . Either no components are installed , or you are not a administrator on this computer (SQLSAC) I'm really tired because of that , and i don't know what's wrong with this . Some more information : I have no additonal software on my computer , like Antivirus or Proxy I tried all step with "Standard Edition" either , but no difference My user is Administrator I tried more than 5 times all those steps including re-installing Windows 7 . Please help me , I'm losing all my hair

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