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  • Serving a default image with nginx

    - by ustun
    I have the following configuration in nginx: location /static/ { root /srv/kose/; expires 2w; access_log off; } location / { proxy_pass http://127.0.0.1:8089; } If a file is not found in /static/, I want to serve a default image, and not proxy_pass to 8089. Currently, it looks for the file in the root for static, if it cannot find it, it tries the proxy. I have tried the following, but it doesn't work. How can I tell nginx to serve the default image? I have also tried try_files to no avail. location /static/ { root /srv/kose/; expires 2w; access_log off; error_page 404 /srv/static/defaultimage.jpg; } location / { proxy_pass http://127.0.0.1:8089; }

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  • Load balanced proxies to avoid an API request limit

    - by ClickClickClick
    There is a certain API out there which limits the number of requests per day per IP. My plan is to create a bunch of EC2 instances with elastic IPs to sidestep the limitation. I'm familiar with EC2 and am just interested in the configuration of the proxies and a software load balancer. I think I want to run a simple TCP Proxy on each instance and a software load balancer on the machine I will be requesting from. Something that allows the following to return a response from a different IP (round robin, availability, doesn't really matter..) eg. curl http://www.bbc.co.uk -x http://myproxyloadbalancer:port Could anyone recommend a combination of software or even a link to an article that details a pleasing way to pull it off? (My client won't be curl but is proxy aware.. I'll be making the requests from a Ruby script..)

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  • Motherboard not recognizing memory anymore

    - by root
    I bought some new RAM and installed it on my motherboard. But, the BIOS would not post. There's an LED on my motherboard that shows error codes, and it showed the error: No usable memory detected. So, I removed the new memory and reinstalled the old memory, thus restoring the computer back to its original configuration. But, the BIOS still would not post, still giving the error: No usable memory detected. I've ensured that the memory and power headers are seated properly. I've tried all possible combinations of memory slots, and I've also reset the CMOS, but the error remains the same. The computer was working fine before I tried upgrading the memory, and I originally assembled the computer myself. What are some possible causes of this problem?

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  • How similiar should the environments of PreProd and Prod be?

    - by RoboShop
    I've just recently been on a project and during the release, we realized that it didn't work in Production. It works in all other environments but because we have a separate release team, and we cannot set up the servers and environments ourselves, we have no visibility of the configuration on them. We suspect that Prod has some user permissions in its account or IIS settings that are different, so we are working though it now. So I think this whole thing has been a learning experience for me and I don't want the same thing repeated again. I would like to ask, how different should these environments be? I always thought that PreProd should be an identical copy to the Prod environment using a copy of the same database, using a copy of the same user account, should be installed on the same servers etc. But how far should I take it? If the web site is externally facing, should PreProd be externally facing? What if the website has components that don't require a user account or password to navigate to? Is it still okay to expose it to the outside world?

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  • Unable to install ZFS (Ubuntu 13.10)

    - by user209707
    I'm fairly new to Ubuntu and wanted to setup a server running ZFS/XBMC - The XBMC install went fine, however I ran into trouble getting ZFS working. Configuration : Ubuntu 13.10 (GNU/Linux 3.12.0-rc7+ x86_64) I attempted to install ZFS native using : sudo add-apt-repository ppa:zfs-native/stable sudo apt-get update sudo apt-get install ubuntu-zfs This failed to install due to "Module build for the currently running kernel was skipped since the kernel source for this kernel does not seem to be installed." Trying sudo modprobe zfs shows FATAL error : module not found. Here, they mentioned it was to do with lacking build dependences- I followed the answer which was to run sudo apt-get remove --purge ubuntu-zfs zfs-dkms zfsutils spl spl-dkms libzfs1 dkms Then, REBOOT. Then, do: sudo apt-get install linux-headers-generic build-essentia sudo apt-get install ubuntu-zfs " This leaves me in the same situation with "Building only for 3.12.0-rc7+ Module build for the currently running kernel was skipped since the kernel source for this kernel does not seem to be installed." when trying to install ubuntu-zfs. Trying sudo apt-get install --reinstall zfs-dkms also does not work.

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  • Can't set session.http_only for php under Plesk 11

    - by TheFoOL
    I want to enable session.cookie_httponly for my domain. I added these lines for my domain (in additional configuration directives): session.cookie_httponly = On error_log = error.log Error log works fine (a file is created) whereas session.cookie_httponly doesn't (according to phpinfo()). But why not? I use Plesk 11 on Ubuntu Server 12.04. PHP as FastCGI. PHP 5.3.10-1ubuntu3.4. Safe mode is off. Domain is associated to a dedicated IP address. Website powered by Joomla 2.5.7.

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  • Is there any trick to join and use Windows 8/8.1 with Samba 4 (4.1.6)?

    - by tenshimsm
    It seems that Samba doesn't like at all. I've followed various tutorials and I can't get Windows 8 to work properly with a Ubuntu Server as domain controller. This week i've downloaded ubuntu 14.04 lts and set a fast domain configuration. As usual all other Windows version (XP and 7) work but the newest M$ nightmare doesn't. In this try it doesn't even join the domain, keeps saying the my username or password are wrong. My /etc/samba/smb.conf # Global parameters [global] workgroup = DOMAIN realm = DOMAIN.LAN netbios name = DOM server role = active directory domain controller dns forwarder = 8.8.8.8 idmap_ldb:use rfc2307 = yes [netlogon] path = /var/lib/samba/sysvol/domain.lan/scripts read only = No [sysvol] path = /var/lib/samba/sysvol read only = No [test] directory mode = 0750 path = /SHARES/test read only = no Does anyone have a tutorial that really works? Because I've tried many, each one with different configurations that works only with the people that made them. And is there a way to import my old AD users, computers and ID in a way that I won't need to rejoin all computers?

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  • How to expand Raid 5 on ICH10 - Gigabyte ex58-ds4?

    - by NeverEatAlone
    I was wondering if there is a relatively simple way to expand my HD space. My setup is 4 x 640 GB drives. Motherboard has 4 ports on 1 controller and 2 ports on another controller, however they cant be joined. I would like to somehow get more store space in raid configuration. One scenario that I can see working is replacing one 640 drive for a 2TB drive. Waiting for Raid to rebuild. Rinse and repeat. However, I have no idea if I would be able to even see/access the new space. All alternatives / ideas are welcome. Thank you

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  • Can't access phpMyAdmin because of host, username and password

    - by Engprof
    everyone. When I try to access phpMyAdmin on Uniform Server I get the following error messages: " #1045 - Access denied for user 'root'@'localhost' (using password: YES) " " phpMyAdmin tried to connect to the MySQL server, and the server rejected the connection. You should check the host, username and password in your configuration and make sure that they correspond to the information given by the administrator of the MySQL server. " The funny thing is my username and password are both set to "root" and I have changed the IP address in the httpd.conf file to my Unique IP adddress, so I still don't know what the problem is. Could somebody please help me out? Any help would be much appreciated.

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  • What maintenance is required for a Postfix setup?

    - by JonLim
    I've taken a look at the setup and configuration process for a Postfix server, planning to use it for just sending emails out from my server. So far, I have these steps: Setup Postfix Configure Postfix Install DKIM Set SPF records Tune for performance Debug Seems rather straightforward. However, I was just wondering: are there any actions I should be taking for periodic maintenance of my Postfix setup? Thanks! EDIT: Also, just curious, how long would this entire setup ideally take? 30 - 60 minutes? More?

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  • Nginx issue with two web nodes

    - by HTF
    I'm running Wordpress website with Nginx and Memcached. I have simple DNS round robin balancing with A records pointing to both web servers. I've noticed the following entries in both web servers access logs: 192.168.1.10 example.com - [07/Jun/2012:22:43:58 +0100] "-" 400 0 "-" "-" - 0.000 192.168.1.10 example.com - [07/Jun/2012:22:43:58 +0100] "-" 400 0 "-" "-" - 0.000 192.168.1.10 example.com - [07/Jun/2012:22:43:58 +0100] "-" 400 0 "-" "-" - 0.000 192.168.1.10 example.com - [07/Jun/2012:22:43:58 +0100] "-" 400 0 "-" "-" - 0.000 192.168.1.10 example.com - [07/Jun/2012:22:43:58 +0100] "-" 400 0 "-" "-" - 0.000 I've configured W3 Total cache plugin for Wordpress - pointing to loopback address (127.0.0.1:11211) on each Wordpress installation. Is this because the webserver is trying to access content that is cached on the other web server? Shall I add IPs to W3 plugin of both web servers on each website (192.168.1.:11211, 192.168.1.2:11211)? I'm not sure if this related to Memcached or maybe some configuration issue on the server itself? Regards

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  • Redirecting email from from domain registrar to hosting comapny mailbox

    - by jmoreno
    I have the domain example.com registered with company A I have the hosting with company B (ServerGrove) Company A offers me simple parking, and company B offers me mailbox service. What I would like is to use the hosting company mail service. How do I configure the DNS records in company A to be forwarded to company B mailbox? I think I have to add a MX record to company A's configuration, and then the same in company B's DNS records, is this correct? I think I'm mixing concepts, and cannot see a clear solution, I've tried several configurations but all failed. Any help would be appreciated. Regards.

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  • Varnish cache and PHP session; setting header?

    - by StCee
    Varnish by default would not cache page with cookies. I read on some posts that one workaround for PHP pages is to set header('Cache-Control: public, s-maxage=60'); in php pages. But would it makes Varnish cache the page with the session cookie? Session is started on that page, and although there is nothing personal on that page, I would still want the session to persist in case the user would do something private later. So is there a way to cache the page without the session cookie? And still be able to pass session between pages? I can imagine some sort of weird solution with hidden form, but I would prefer if it can be done with VCL configuration or header setting. Thanks a lot!

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  • "private" directory not accessible in Apache

    - by janeden
    The directory private lives under my DocumentRoot, and despite its name, it should be accessible just like any other dir. But if I add the following RewriteRule to httpd.conf: RewriteRule ^/([^\.]+)$ /$1.html [L] Apache returns 403 for http://server/private/2201. The error log states client denied by server configuration: /private/2201.html If I then rename private to foo, or if I request 2201.html directly, the file is served: 127.0.0.1 - - [21/Nov/2011:10:24:45 +0100] "GET /private/2201 HTTP/1.1" 403 214 127.0.0.1 - - [21/Nov/2011:10:24:58 +0100] "GET /foo/2201 HTTP/1.1" 200 3068 127.0.0.1 - - [21/Nov/2011:10:27:39 +0100] "GET /private/2201.html HTTP/1.1" 200 3068 This is confusing. Is there any special rule for directories named private? If so – why does the direct request for 2201.html work (although the denied request seems to handle the same resource, at least according to the error log entry)?

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  • High-End Gaming Desktop PC in France [closed]

    - by Lerikunus
    Hello, I was looking to buy an ALIENWARE AREA 51, as my Desktop crashed some days ago. But the Preliminary Ship date is 03.01.11 and I need the new PC until Friday next week =( Does someone know a(n) (online)-store where Build&Shipping time is quite low so I can get it until next Friday? I am living in France (Nice). Or any place I can ask fot his kind of advice? This is my desired configuration: Overclocked Intel® Core™ i7 980x Extreme Six Core Processor (4.0GHz, 12MB Cache) 12GB Triple Channel 1600MHz DDR3 Dual 2GB ATI Radeon™ HD 6950 2TB RAID 1+0 (4x 1TB SATA-II, 7,200 RPM, 32MB Cache HDDs) 2TB RAID 1 (2x2TB SATA-II, 7,200 RPM, 32MB Cache HDDs) Thank you very much!

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  • How to stop LDAP authentication in ubuntu?

    - by Kery
    My OS is Ubuntu 12.04 and use LDAP authentication. Now I meet a problem that another people want to access my system. But he is in another domain so he can't login. And I have no right to change this configuration in LDAP server. So I have to choose a workaround to solve this problem, for example close the LDAP authentication and use local authentication (I have root right in my system) or create another account which is not registered in LDAP server (I did this but can't change the created account password. The error is 'password reset by root is not supported'). Of course any other suggestion is appreciated! Than you in advance!

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  • Clarification of the difference between PCI memory addressing and I/O addressing?

    - by KevinM
    Could someone please clarify the difference between memory and I/O addresses on the PCI/PCIe bus? I understand that I/O addresses are 32-bit, limited to the range 0 to 4GB, and do not map onto system memory (RAM), and that memory addresses are either 32-bit or 64-bit. I get the impression that memory addressing must map onto available RAM, is this true? That if a PCI device wishes to transfer data to a memory address, that address must exist in actual system RAM (and is allocated during PCI configuration) and not virtual memory. So if a PCI device only needs to transfer a small amount of data at a time, where there is no advantage to putting it into RAM or using DMA, then I/O addressing is fine (e.g. a parallel port implemented on a PCI card). And why do I keep reading that PCI/PCIe I/O addressing is being deprecated in favour of memory addressing? Thanks!

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  • No sound, can't adjust alsamixer volume

    - by user734613
    I have no sound on my ubuntu and I do not know why. I saw a lot of posts about that, I tried a lots of solutions that I found (especially this one) but it still does not work. I suspect alsamixer. I can't adjust the sound. http://img15.hostingpics.net/pics/447765Screenshotfrom20120621140430.png I tried to reinstall alsa mixer using this tutorial but it seems the package does not exist anymore. E: Unable to locate package linux-alsa-driver-modules-3.2.0-25-generic E: Couldn't find any package by regex 'linux-alsa-driver-modules-3.2.0-25-generic' Here are my configuration: cat /proc/driver/nvidia/version NVRM version: NVIDIA UNIX x86_64 Kernel Module 295.40 Thu Apr 5 21:37:00 PDT 2012 GCC version: gcc version 4.6.3 (Ubuntu/Linaro 4.6.3-1ubuntu5) aplay -l List of PLAYBACK Hardware Devices ** card 0: NVidia [HDA NVidia], device 3: HDMI 0 [HDMI 0] Subdevices: 1/1 Subdevice #0: subdevice #0 card 0: NVidia [HDA NVidia], device 7: HDMI 1 [HDMI 1] Subdevices: 1/1 Subdevice #0: subdevice #0 grep eld_valid /proc/asound/NVidia/eld* /proc/asound/NVidia/eld#0.0:eld_valid 0 /proc/asound/NVidia/eld#0.1:eld_valid 0 Thanks in advance for your help.

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  • How to get a subdomain to point a different server than the main domain

    - by alexchoi
    I have a site at say: foo.com and I would like the subdomain blog.foo.com to point to fooblog.com blog.foo.com - fooblog.com However, our DNS provider says that if we do an alias such as that, since the provider at fooblog.com does not recognize the name blog.foo.com. We asked if we could just point blog.foo.com at the IP address of fooblog.com and they say the same problem will occur. Any advice? Due to our configuration we can't really put the blog on foo.com. We are willing to move our hosting and even our domain name hosting if necessary. -- Yes, I am a n00b when it comes to DNS.

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  • Good reference for Cisco Resilient Ethernet Protocol

    - by Karthik
    I have been trying to understand Cisco's Resilient Ethernet Protocol, but am unable to find a proper source to read from. I checked the Cisco site and also their White Paper on REP. But none of them helped to understand REP clearly. Googling was also of not much help, as all I got was explanation about configuration instructions and not on the protocol itself. Can you guys point me to a good book or site, which explains Resilient Ethernet Protocol in detail? Thanks in advance.

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  • Apache2 WebServer not allowing me to view website/files in /var/www

    - by CitadelCSAlum
    I used to be able to access websites/files that were stored in the directory /var/www I have not used this for a while, but now I have a need to store, media in this directory or in the directory/var/www/images I noticed that my apache web server wasnt running correctly so I did a complete package removal and then reinstalled, but I am still unable to access a test page inde.html in the directory /var/www/index.html by going to http://myipaddresshere/index.html Is there some initial configuration I need to do to allow me to store HTML and media files in this directory and be able to access them from the browser? I dont remember having to do anything before.

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  • Oneric Aspire One. After latest 11.10 update to Linux 3.0.0-9 boot hangs at staement "Starting Bluetooth"

    - by hevh
    I have today updated the version of Linux on Ubuntu on my Acer Aspire One. The boot hangs on the statement "Starting Bluetooth". Help please!! EDIT1: I get the grub menu when I start the netbook and it doesn´t matter which version of linux I choose the resulkt is the same. It gets as far as the Ubuntu spash screen then drops into command line mode then hangs on the line "Starting Bluetooth". I can log in and have tried various forms of the apt-get command to fix the system but with no result. I do not need bluetooth at the moment and so could remove the application if I knew how. (have tried apt-get remove bluez). When I use the command sudo apt-get -f install I get an error message saying "There's not enough space in /var/lib/mysql/" folowed by several other error messages. I have spent some time looking for similar problems and solutions using google but so far got to nothing to help. Thanks EDIT2: I have since discovered when running Knoppix or slitaz from a usb stick that the file managers report the hard disc as having no space. However GPARTED reports it as having 3.69gb. I do recall making space on the hard drive by deleting some old files and emptying trash whilst the update was running; perhaps its related. Any suggestions for how I can recover the apparently lost space from hard disc without losing the data. I have backups of the actual data but do not wnat to lose the applcations configuration. Thanks Kev

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  • Group Policy dealing with IE zone assignment not sticking!

    - by Brandon
    I have a group policy (which ONLY deals with the zone assignment) -that is continually switching on and off with reboots. I thought it was a conflicting group policy but when I run group policy modeling report it doesn't show any descrepancies that I can see. I thought it may be an issue with one domain controller wasn't replicating my policy change to the other one, but this isn't the case. I checked both domain controllers and they show the same information. The assignment is on a user basis and is in: user configuration > administrative templates > windows components > internet explorer > internet control panel > security and is site to zone assignment.

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  • Why my browsers display XML files as blank pages?

    - by n1313
    Every time I open an XML file, all I get is blank page instead of tag tree. The file itself is correct and loads okay, I can see it via View Source or in the Firebug. I've tried turning off all my addons and tried running Firefox in safe mode, but the problem was not solved. I'm guessing that I've messed up my configuration somehow and Firefox now tries to render XML files as HTML ones. I've tried googling, but with no success. Help, please? UPD: example file: http://lj.lain.ru/3/1273657698603.sample.xml Also I've noticed that somehow all of the browsers on the machine are now acting the same, so I'm changing the question accordingly

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  • Unable to format/add a partition to Windows XP

    - by sma
    I recently add a 1T disk to an XP machine. I found the disk in the "disk management", I click "initialize" to init it, then creates a primary partition with size 950G, then select quick format to format the disk, the "disk management" will then complains: The disk configuration operation did not complete. Check the system event log for more information on the error. Verify the status of your storage devices before retrying. If that does not solve the problem, close the disk management console, then restart disk management or restart the computer. What could be the reason?

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