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  • I want to buy a second hand laptop, how to get the real technical specifications of a used laptop?

    - by Steven
    I want to buy a second hand laptop. I need to examine a laptop's configuration before I make a decision to buy it. I know the information the information about the components of a laptop can be intentionally fabricated.So the information I go through my computer/properties/hardware/device manager to see may not be reliable. So how can I get the real technical specifications of a second hand laptop?

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  • Setting up reverse proxy via an HTTP proxy?

    - by billc.cn
    I have a software that has to call an external web API from inside our firewall. Currently the only way to do this is through the HTTP proxy feature of the firewall; however, the software itself does not support proxy configuration. So I am wondering is it possible to setup a reverse proxy for the API that goes through the HTTP proxy? The server is running WS2003. I can install any software on it.

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  • How to block bittorrent but allow web surfing using ISA Server?

    - by nray
    Given a public WiFi hotspot behind an ISA Sever and a single Internet address, which rules or content filters would be useful to achieve this configuration? Allow anonymous users to surf the web, chat over IM, and connect to their diffrent workplace VPNs Restrict Bittorrent and other P2P clients from attracting the attention of MediaSentry and others.

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  • Apache returning text/html on some png files

    - by Oren
    I have an Apache web server that has a sub folder for images. For some reason, a few of the .png files are returned as text/html and not as image/png. There is nothing indicating a permission problem and the files return with code 200 and with full size. I made sure that image/png is set and even tried forcing it with .htaccess Any idea where to look next? Edit: looks like an .htaccess configuration problem on a parent directory.

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  • How to temporary disable a mirror video driver in windows xp registry

    - by happy clicker
    Because its a lot of text, I will ask first my question and then explain what the base problem is. Perhaps someone can give me a solution to the base problem: Is there is a way to temporary disable mirror video drivers (through registry or so), without uninstalling the corresponding software. I tested changing the enumeration in LocalMachine\Hardware\DeviceMap\Video but after reboot always the old configuration is restored. Explanation of the base problem We are working on a wpf-project for a department of a big company. There we have the problem that WPF renders only in software mode, although the hardware they have, must support hardware rendering (Tier 2). After searching for a solution to the problem, we found out that direct 3d does not work properly and we think thats why WPF can only use SW-rendering. In dxdiag.exe the direct3d-acceleration is enabled, but if we start the test-routine it always fails saying that it has not enough memory (it says memory, not video memory!). I have seen there 3 different types of pc’s (they have some hundreds of each type) and every type shows the exactly same behavior. We tried to update all the drivers, also dx (Version 9.0c) and we searched a lot in the web but could not find a solution. All the pcs have Intel Dual-Core processors or better, one type has an Intel gma 9000 graphics card the other two types have actual ATI and NVidia graphic-cards with 256MB onboard memory. Also the system memory is at least 2GB. Windows is XPSP3. The pc’s are of two different manufacturers. Because we see the exactly same behavior on every computer of this three very different computer-types, we don’t think that this is a driver or a direct x problem. What we’ve found in other newsgroups is, that direct x could be disturbed through mirror-video drivers such as NetMeeting, VNC and other remote desktop-installations. In the registry, we see under LocalMachine\Hardware\DeviceMap\Video a lot of such mirror-entries and we find also the definitions in the CurrentControlSet\Control\Video-Section (However this drivers are not shown in the hardware panel of the os). We can have admin-rights to one of these computers to test if disabling these drivers would help, but we must not change the configuration so that some software does not work after the tests. Therefore I cannot uninstall any software because I have not the mediums, licenses or knowhow to reinstall those apps. The support of this company however will only begin to work, if I can tell them what the real problem is. Thats why we search for a way to disable these mirror-drivers (or a hint to solve the dx problem if we are on a false trace)

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  • Is it possible to monitor an Asterisk ConfBridge from a URL / Browser?

    - by Lorin S.
    I have an Asterisk server set up with minimal configuration, including the following confbridge definition / extension: *confbridge.conf* [testbridge] type=bridge video_mode=follow_talker max_members=20 mixing_interval=10 internal_sample_rate=auto record_conference=yes *extension.conf* exten => 6100,1,Answer() same => n,Set(CONFBRIDGE(user,admin)=yes) same => n,Set(CONFBRIDGE(user,marked)=yes) same => n,ConfBridge("Ad-hoc",testbridge,default_user,sample_user_menu) Is it possible to monitor the video / audio of the conference without joining via a client?

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  • MySQL Error for Mac OSx

    - by OckhamsRazor
    I'm trying to run the mysql command on my mac osx but keep getting the error: ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/tmp/mysql.sock' (2) I did try researching this extensively but could'nt find a suitable solution. Most of the solutions refer to /etc/my.cnf but I don't seem to have this configuration file in the first place. I'm pretty much stuck and have been for quite a while. Any help is greatly appreciated.

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  • QEMU & libvirt: Dual screen VM?

    - by thecapsaicinkid
    I'm running a Windows 7 guest virtualised under QEMU and using libvirt on a Fedora 17 host, does anyone know if it's possible to create 2 video 'cards' (or a single dual-head) and a spice server for each and connect multiple spice clients to simulate a dual screen VM? Looking through the VMs xml configuration file I can't see a way to associate elements (eg. Spice servers) to elements (in this case, a qxl card). I'm sure qxl doesn't support the dual-head option but are multiple video elements possible?

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  • Echo 404 directly from nginx to improve performance

    - by user64204
    I am in charge of production servers serving static content for a website. Those servers are constantly being crawled by bots looking for potential exploits (which isn't that much of a problem security-wise because no application can be reached behind the web server) but generates thousands of 404 per day, sometimes per hour. I am looking into ways of blocking those requests but it's tricky (you want to make sure you don't block legitimate traffic and these bots are becoming more and more clever at looking like they're legit) and is going to take me a while to find an acceptable solution. In the meantime I would like to reduce the performance impact of serving those 404 pages. Indeed we're using nginx which by default is configured to serve it's 404 page from the disk (This can be changed using the error_page directive but in the end the 404 will either have to be served from disk or from another external source (e.g. upstream application which would be worst)) which isn't ideal. I ran a test with ab on my local machine with a basic configuration: in one case I echo a message directly from nginx so the disk isn't touched at all, in the other case I hit a missing page and nginx serves its 404 from disk. server { # [...] the default nginx stuff location / { } location /this_page_exists { echo "this page was found"; } } Here are the test results (my laptop has Intel(R) Core(TM) i7-2670QM + SSD in case you're wondering why they are so high): $ ab -n 500000 -c 1000 http://localhost/this_page_exists Requests per second: 25609.16 [#/sec] (mean) $ ab -n 500000 -c 1000 http://localhost/this_page_doesnt_exists Requests per second: 22905.72 [#/sec] (mean) As you can see, returning a value with echo is 11% ((25609-22905)÷22905×100) faster than serving the 404 page from disk. Accordingly I would like to echo a simple 404 Page not Found string from nginx. I tried many things so far but they all failed, essentially the idea was this: location / { try_files $uri @not_found; } location @not_found { echo "404 - Page not found"; } The problem is that as soon as the echo directive is used, the http response code is set to 200. I tried changing that by doing error_page 200 = 400 but that breaks the configuration. How can I serve a 404 page directly from nginx? (without hacking the source which may be might next step)

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  • Apache - suExec - FastCGI - PHP = seciruty issue

    - by Jari V.
    I installed Apache with FastCGI (mod_fastcgi), suExec and PHP on my local development box. Working perfectly, expecting one thing. Let's say I have two users: user1 - /home/user1/public_html user2 - /home/user2/public_html I discovered a serious security hole in my configuration: I can include a file from user2 web root in user1 file. How to prevent? Any tips? php-cgi process is running under correct user.

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  • LDAP (slapd) ACL issue - can add but not modify entries

    - by Jonas
    I have an issue with the ACL configuration of an LDAP server (slapd). The following ACL entry is active as the first rule that applies: {0}to dn.subtree="ou=some,ou=where,ou=beneath,dc=the,dc=rain,dc=bow" attrs=entry,children by users write Now the strange thing that happens is that given that rule I can add an entry to the respective DN but if I want to modify it with the very same user, then I get 0x32 (LDAP_INSUFFICIENT_ACCESS) Can someone give me a hint what the problem could be?

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  • Obtaining a DHCP IP address if static address is not available

    - by user142485
    I have seen some questions that are similar to my problem but not a good solution. Ex. User has a laptop and has a static IP address at the office. They also take the laptop off site where they also need internet. Is there a way to configure their computer so that it will obtain an IP address automatically when the configured static address is not available (without making the user go into network configuration and changing to obtain automatically)?

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  • Sun Grid Engine : jobs are not well balanced

    - by GlinesMome
    I use Open Grid Scheduler (a fork/copy of Sun Grid Engine). I have tried this configuration from master: # qconf -mattr exechost complex_values slots=8 slave2 # qconf -mq all.q | grep slots slots 100,[slave1=1],[slave2=8] slave1 is down, then I run 10 qsub with a sleep example (so no CPU consumption) but only 4 jobs are run at the same time on slave2 instead of I have put 8 slots. What does I missed ? PS: my goal is to provide infinite slots to force SGE to schedule only via consummable ressources.

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  • Trac changesets not displaying

    - by Robin Weston
    I have setup Trac to integrate with our VisualSVN server. It all seems to work fine, except when I am viewing changesets, it only shows the files that have changed, not the actual diff of what has changed in the file. In addition, when I am viewing a particular file in Trac, the 'diff' link is not visible, which I have seen in other installations. I assume it is probably a configuration issue, or maybe the way the data is being entered in the first place. Any suggestions?

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  • Can I add a second mobile/cell network to my Blackberry Express Server?

    - by cagcowboy
    We have recently installed Blackberry Express Server for our UK Blackberry users (who are on Vodafone, not sure if the network matters) Our US users have got wind of this and are hoping we can do the same for them. (They're mostly on AT&T) The UK & US Exchange mailboxes are based on 2 different exchange servers So... Q. Is it possible to support the US users with the current installation/server configuration?

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  • Unable to uninstall SQL 2008 Instance(s)

    - by ichoudhury
    Windows 2008 R2 High Availability Cluster and we were just going through the first phase of configuration. Somebody accidentally loaded the instance incorrectly, so I was hopping to uninstall and reinstall. But when I approach the uninstall process, it fails with the following msg: Object reference not set to an instance of an object SQL instance not yet clustered (FYI) Any idea?

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  • Configure exim in debian 6

    - by blakcaps
    I am trying to configure exim with gmail in my debian 6 system as per this tutorial http://www.manu-j.com/blog/wordpress-exim4-ubuntu-gmail-smtp/75/.After configuring, When i run update-exim4.conf i am getting this message, Exim configuration error: two client authenticators (gmail_login and login) have the same public name (LOGIN) Invalid new configfile /var/lib/exim4/config.autogenerated.tmp, not installing /var/lib/exim4/config.autogenerated.tmp to /var/lib/exim4/config.autogenerated Any pointers to solve this?

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  • Can Remote Desktop Services be deployed and administered by PowerShell alone, without a Domain in WIndows Server 2012 and 2012 R2?

    - by Warren P
    Windows Server 2008 R2 allowed deployment of Terminal Server (Remote Desktop Services) without a domain, and without any insistence on domains. This was very useful, especially for standalone virtual or cloud deployments of a server that is managed remotely for a remote client who has no need or desire for any ActiveDirectory or Domain features. This has become steadily more and more difficult as Microsoft restricts its technologies further and further in each Windows release. With Windows Server 2012, configuring licensing for Remote Desktop Services, is more difficult when not on a domain, but possible still. With Windows Server 2012 R2 (at least in the preview) the barriers are now severe: The Add/Remove Roles and Features wizard in Windows Server 2012 R2 has a special RDS deployment mode that has a rule that says if you aren't on a domain you can't deploy. It tells you to create or join a domain first. This of course comes in direct conflict with the fact that an Active Directory domain controller should not be the same machine as a terminal server machine. So Microsoft's technology is not such much a Cloud Operating System as a Cluster of Unwanted Nodes, needed to support the one machine I actually WANT to deploy. This is gross, and so I am trying to find a workaround. However if you skip that wizard and just go check the checkboxes in the main Roles/Features wizard, you can deploy the features, but the UI is not there to configure them, and when you go back to the RDS configuration page on the roles wizard, you get a message saying you can not administer your Remote Desktop Services system when you are logged in as a Local-Computer Administrator, because although you have all admin priveleges you could have (in your workgroup based system), the RDS configuration UI will not accept those credentials and let you continue. My question in brief is, can I still somehow, obtain the following end result: I need to allow 10-20 users per system to have an RDS (TS) session. I do not need any of the fancy pants RDS options, unless Microsoft somehow depends on those features being present. I believe I need the "RDS Session Host" as this is the guts of "Terminal Server". Microsoft says it is "full Windows desktop for Remote Desktop Services client. I need to configure licensing so that the Grace Period does not expire leaving my RDS non functional, so this probably means I need a way to configure TS CALs. If all of the above could technically be done with the judicious use of the PowerShell, I am prepared to even consider developing all the PowerShell scripts I would need to do the above. I'm not asking someone to write that for me. What I'm asking is, does anyone know if there is a technical impediment to what I want to do above, other than the deliberate crippling of the 2012 R2 UI for Workgroup users? Would the underlying technologies all still work if I manipulate and control them from a PowerShell script? Obviously a 1 word Yes or No answer isn't that useful to anyone, so the question is really, yes or no, and why? In the case the answer is Yes, then how.

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  • Git multiple config files

    - by tig
    As it is told in git-config manual, I have three files to specify git repo configuration: $GIT_DIR/config, ~/.gitconfig and $(prefix)/etc/gitconfig. Is it possible to make git read another config file (for example .gitconfig in root of the repo) after reading $GIT_DIR/config? I want it as I created git command aliases in .git/config and I would prefer to store them in repo, so I can restore them when cloning and for example.

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