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• rewrite redirect issue in debian squeeze

  - by hd01

  My server os is debian squeeze. I have these lines to redirect non-www to www in htaccess file of my website: RewriteCond %{HTTP_HOST} !^www\.example\.com$ [NC] RewriteRule ^(.*)$ http://www.example.com/$1 [L,R=301] but it cause this error in firefox: The page isn't redirecting properly Firefox has detected that the server is redirecting the request for this address in a way that will never complete. This problem can sometimes be caused by disabling or refusing to accept cookies. when I comment those lines in htaccess mysite appears but in non-www format. I'm sure it works well before on the Ubuntu . but I don't know why it doesn't work now. would you help me?

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• A space-efficient guest filesystem for grow-as-needed virtual disks ?

  - by Steve Schnepp

  A common practice is to use non-preallocated virtual disks. Since they only grow as needed, it makes them perfect for fast backup, overallocation and creation speed. Since file systems are usually based on physical disks they have the tendency to use the whole area available1 in order to increase the speed2 or reliability3. I'm searching a filesystem that does the exact opposite : try to touch the minimum blocks need by an aggressive block reuse. I would happily trade some performance for space usage. There is already a similar question, but it is rather general. I have very specific goal : space-efficiency. 1. Like page caching uses all the free physical memory 2. Canonical example : online defragmentation 3. Canonical example : snapshotting

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• What's the purpose of setgid directory?

  - by ???

  I know how setgid works, but I don't know why it is designed, is there any example to illustrate what problems it solves?

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• How to stop nginx on Mac OS X

  - by Alex Kaushovik

  I've installed nginx server on my Mac from MacPorts: sudo port install nginx. Then I followed the recommendation from the port installation console and created the launchd startup item for nginx, then started the server. It works fine (after I renamed nginx.conf.example to nginx.conf and renamed mime.types.example to mime.types), but I couldn't stop it... I tried sudo nginx -s stop - this doesn't stop the server, I can still see "Welcome to nginx!" page in my browser on http://localhost/, also I still see master and worker processes of nginx with ps -e | grep nginx. What is the best way to start/stop nginx on Mac? BTW, I've added "daemon off;" into nginx.conf - as recommended by various resources. Thank you.

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• MySQL/Apache: Replace spaces with underscores only in certain URLs

  - by javipas

  I'm having a problem with some images I'm using on my WordPress blog. After a migration I renamed every image replacing spaces with underscores, so HIDDEN_264_4062_FOTO_IDF los MID.jpg was renamed to HIDDEN_264_4062_FOTO_IDF_los_MID.jpg But althought the trick was necessary and worked for most of the posts, some of them try to find the old image, with spaces: This is not found http://www.example.com/files/HIDDEN_264_4062_FOTO_IDF%20los%20MID.jpg and this should be the right URL http://www.example.com/files/HIDDEN_264_4062_FOTO_IDF_los_MID.jpg Careful, though, 'cause the "%20" is only shown on the browser: the text on the database shows spaces, not "%20". I'd like to know if maybe I could make a SQL query in my WordPress MySQL database that replaces spaces in .jpg files with underscores. The path of the images is always the same, so the rule should transform this: /files/HIDDEN_264_4062_FOTO_IDF los MID.jpg /files/HIDDEN_264_4062_FOTO_IDF_los_MID.jpg the "/files/HIDDEN_264_" part is always the same, but the rest varies. Is some way to perform this? Maybe a rewrite rule on Apache (our current webserver)?

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• Help on using mod_rewrite to serve I18N static site

  - by Guandalino

  My static site www.example.com is translated in different languages and files are organized in this hierarchy: / /de index.html seite-1.html /en index.html page-1.html /it index.html pagina-1.html The root contains no files, just one subdirectory for each language the site is translated in, while subdirectories contain pages translated (both content and file name are) in the language corresponding to subdirectory name, de, en, it, etc. The question is: how to configure mod_rewrite so that when a client visits www.example.com it is taken to the correct version of the site, falling back to english version if the required locale is not supported (i.e. Accept-Language header doesn't exist or specifies a language for which the site is not available, e.g. fr)? Thanks for any pointer, I'm here to provide further details or feedback! Best regards

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• How to block spam site republishing my content

  - by Fo.

  I noticed today that Google search results shows some spam copies of one of my sites. The url looks something like this: http://[subdomain].spamsite.com/www.example.com ...where example.com is my site. In my Apache access logs I'm noticing several lines like the following whenever I load the above url: 127.0.0.1 - - [219/Oct/2012:19:27:34 +0000] "OPTIONS * HTTP/1.0" 200 - "-" "Apache (internal dummy connection)" The spammer's site shows an exact up to date copy of my site, so I think they are pulling in live data. Any idea how I can block this traffic?

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• Script to restart BlackBerry services

  - by ICTdesk.net

  Can somebody give me a script advice/example of how to restart services? I have to restart 17 services, but the first 4 services have to be in the right order and after the restart command is given to one of the services, the next one should be started when the previous one is finished. I know I can restart a service by net command, and I can build a delay by for example a ping command that repeats for an x amount of times, but I never know in advance how long it is going to take for a service to restart. Thanks, Kindest regards, Marcel

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• Linux Mint loses Window Focus

  - by Chris

  I recently installed Linux Mint 13 64bit with Cinamon Desktop and run into a weird problem. It's about losing Mouse-Focus if more than one Window are open. For Example, I open up Chromium, play around a little bit, and then, if I try to open any Programms from the Taskbar, I cannot click on it. It seems that Chromium won't free his Focus. Another Example, if I open two Windows (e.g. Chromium and a Terminal) and I work with Chromium, then click into the Terminal I get no Focus to it. Sorry, its a bit hard to explain.

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• Setup IPv6 over IPv4 tunnel in VPN

  - by bfmeb

  Let me explain my szenario: I have a linux server A. A is reachable in a VPN. So if I am connected to the VPN over Internet I can successfully ping A. Server A is connected to a Router B. Router B has a local ipv6 address and there are resources (each of them with a local ipv6 address) connected to Router B. After I am connected to VPN, I am able to use ssh to have access over A. Now I can use the ping6 command to ping the Router B or one of its connected resources. This works fine. The ping fails if I try to ping router B on my computer. Overview: My Computer -- VPN -- Server A(ipv4) -- Router B(ipv6) -- Ressource A(ipv6) On resource A runs for example a HTTP-Server. My question is: How can I access Resource A (for example with HTTP) on my to VPN connected computer? Is it possible? Should I setup a tunnel device? Sorry for this inexpertly explanation, but I am new to network stuff!

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• Remove Trailing Slash from WordPress URL (The site also don't have www)

  - by mrintech

  I need help as I am confused a lot with .htaccess Some months back, I removed WWW from the URL of my domain name using following .htaccess lines: RewriteCond %{HTTP_HOST} !^example.com$ [NC] RewriteRule ^(.*)$ http://example.com/$1 [L,R=301] Now, I also want to remove the trailing slash from the URL, as because I am using WordPress and a page/post will open, no matter if there's a trailing slash or NOT! I request you to please provide me the .htaccess code, so that I can REMOVE the trailing slash. Kindly remember, I don't want WWW also and I have already set .htaccess rule for the removal of WWW Note: 3 Years back when I started the blog, I set the Permalinks Structure without trailing slash. Now, suddenly Google Webmasters Tools is showing warnings. Also, the URL for rel="canonical" is WITHOUT trailing slash If you require any more details, I will be happy to provide

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• Excel: Look up function for combinations of cells in a single column

  - by Rebecca

  I'm looking to find the number of times a certain combination of values appears in a single column, I was hoping to do this in Excel but I'm starting to think it may not be possible. As an example, I have a list that looks like a longer vertical version of this: F1 F3 F2 F4 F1 F3 F4 F1 F3 F4 F1 F3 F4 And I want to know how many times a specific order (say F1 F3 F4) occurs, in this example 3 times (in my case the lookup sequences are 8 cells long). Is there a way to run over the whole column and identify the instances where this combination of cells occurs? I'm running Excel 2008 for Mac. Many thanks!

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• BSOD in nltdi.sys Vista x64

  - by W1N9Zr0

  BSOD caused by NetLimiter's nltdi.sys Error codes vary, but this is pretty constant: SYMBOL_NAME: tdx!TdxSendConnection+2a0 MODULE_NAME: tdx IMAGE_NAME: tdx.sys Stack trace includes: nltdi+0x1144 example

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• Serve mirrored (static) web-page with original headers

  - by aioobe

  I have a dynamic webpage which I want to create a "frozen" copy of. Typically I would do something like wget -m http://example.com, and then put the files in the document root of the web-server. This site however has some dynamic content, including dynamically generated images, for instance http://example.com/company/123/logo This means that in order to mirror the page, I need to Save whatever headers the server currently serves for each URL. This can be done using the wget option --save-headers. Serve the static pages and serve the proper headers for each file. (This I have no idea of how to do.) What is the best way to solve this? Any suggestions are welcome.

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• Add trailing slash when it's missing in nginx

  - by vvanscherpenseel

  I'm running Magento on Nginx using this config: http://www.magentocommerce.com/wiki/1_-_installation_and_configuration/configuring_nginx_for_magento. Now I want to 301 all URLs without trailing slash to their counterpart that includes a trailing slash. For example: /contacts to /contacts/. I've tried virtually all the nginx directives on this I could find, but to no avail. For example, the directive specified in nginx- Rewrite URL with Trailing Slash leads to a redirect to /index.php/. Which directive should I add and where?

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• Linux: Limiting data throughput (pipe) in bytes per second?

  - by sdaau

  Hi all, I was wandering if there is a Linux program that can limit data throughput of a pipe - in actual bytes per second?. From what I gather, applicable for the purposes would be bfr, however, it has been removed from Debian (Removal candidate: bfr) cpipe, however, it seems the lowest resolution it will support is kB/s, meaning that buffer writes can still reach MB/s ([SOLVED] Is there a program to limit terminal pipe speed? - Page 2 - Ubuntu Forums) What I'd want is to be able to specify something like cat example.txt | ratelimit -Bps 100 > /dev/ttyUSB0 ... and actually have a single byte from example.txt sent each 1/100 = 0.01 sec (or 10 ms) to 'output'.. Thanks in advance for any suggestions, Cheers!

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• Cross-match a number of worksheets to one master worksheet

  - by Carter

  Hopefully the title is not too confusing. Basically, I have a master list of addresses and those addresses are listed in multiple columns (Column A - street number, Column B - street name, Column C - street type etc) and I get a another set of addresses on a daily basis with the same address formatting. What I need to do is cross-match the daily changing list of addresses to the first list to remove any matching entries. So, for example, if the first list has 123 Main St on it, I have to ensure that there are no entries of 123 Main St on any subsequent daily lists. I'm using one address as an example but the lists contain upwards of 10000 addresses that have to be cross matched. I don't need them flagged or highlighted, just deleted from the daily lists (though if they have to be flagged or highlighted, I could work with that) Any help here would be much appreciated.

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• puppet propagate variable from node to erb tamplate?

  - by picca

  Is it possible to declare variable in node and than propage it way down to the erb template? Example: node basenode { $myvar = "bar" # default include myclass } node mynode extends basenode { $myvar = "foo" } class myclass { file { "/root/myfile": content => template("myclass/mytemplate.erb") ensure => present, } } Source of mytemplate.erb: myvar has value: <%= myvar %> I know that my example might be complicated. But I'm trying to propagate file on (almost) all my nodes and I want its content to be altered depending on the node which requests the file. The $myvar = "bar" statement should be default when node does not override its value. Is there a solution to my problem? I'm using puppet 0.24.5

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• Transparently decompressing data in archive to allow greater compression later

  - by Vi.

  I have, for example, filesystem image which have some compressed files (with weak compression such as gzip), for example, manpages or archives with the same uncompressed content nearby. How to pre-filter the data to "expand" compressed data to plain form (to re-compress it with strong compression) and then post-filter after decompression to restore original "semi-compressed" image? SHA-1 match is advices but not strictly required (but the resulting image must work, e.g. re-compressed files should not grow too much, be decompressible etc.) Like improving compression ratio by reversing weak compression algorithms. Are there programs for this?

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• EC2 hostname ubuntu and ejabberd

  - by aelbaz

  I have questions related to the host name in Ubuntu EC2 instances. I have a IPS elastics for hosts that want to be seen from the internet and I have pointed out in the DNS entries with the computer name to those ips. For example, for elastic IP 11.11.11.11 DNS I added my computer name www.example.com. But I also want to rename the machines which they have, because it is a parameter of the service running on them (ejabberd server). EC2 instances are restarted when changing the host name, and seen on the client requesting dhcp hostname to dhcp Amazon. My question is ... What is the safest method to change the hostname: dhcp client modify, insert the command in rc.local, etc. ..? Could I have a problem with the internal resolution of traffic between EC2 instances? thanks

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• apache - subdomains are slower?

  - by matthewsteiner

  Using apache benchmark, I ran the exact same php application at my root domain and a subdomain. Even with multiple tests and high request numbers, the requests per second perform extremely differently. I mean something like this: example.com - 1200 requests per second bench.example.com - 50 requests per second What could be affecting this? These aren't using databases or anything, just mainly getting a simple page displaying. But it's the same app for both of them, and I'm wondering why they perform so differently. Ideas?

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• ProFTPd: Multiple Domain VirtualHosts on one IP address

  - by Badger

  I have a webserver that we are giving a consultant FTP access to. For one domain hosted on that server he needs access to a "dev" directory and for a different domain hosted on that server he needs access to a different directory. I am trying to set this up with VirtualHosts, but I am having issues. Here is the VirtualHost bit of my proftpd.conf file: <VirtualHost www.example2.com> ServerName "Example 2" DefaultRoot /var/www/example2/dev </VirtualHost> <VirtualHost www.example1.com> ServerName "Example 1" DefaultServer on DefaultRoot /var/www/example1 </VirtualHost> When I FTP to either domain I always get the first VirtualHost, even if I FTP to the second domain.

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• Fonts and encoding in windows live mail.

  - by Looser

  Sometimes I have non-english emails (arabic for example). When I try to open them with windows live mail, it doesn't show them correctly.. for example such this: &1588;&1603;&1585;&1575; &1610;&1575;&1605;&1575;&1606; (I changed it a bit to show here as I want) I had a look at options, there was encoding on arabic(windows) but I didn't find anything else. When I open this mail on yahoo however, there is no problem. What can I do?

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• DOS application to allow remote management of files over serial link

  - by tomlogic

  Harken back to the days of DOS. I have an embedded DOS handheld device, and I'm looking for a tool to manage the files stored on it. I picture an application I can launch on the device that opens COM1 up for commands to get a directory listing, send/receive files via x/y/zmodem, move/delete files, and create/move/delete directories. A Windows application can then download a recursive file listing and then manage those files (for example, synchronizing with a local directory). Keep in mind that this is DOS -- 8.3 filenames, 640K of RAM and a 19200bps serial link (yuk!). I'd prefer something with source in case we need to add additional features (for example, the ability to get a checksum of a file for change detection). Now that I've written this description, I realize I'm asking for something like LapLink or pcAnywhere. Norton no longer sells DOS versions of pcAnywhere and LapLink V for DOS seems pricy at $50. Are you aware of any similar apps from those good old days?

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• What is a descriptive name for a web service that responds with plain text?

  - by Rich Shealer

  I'm looking for the proper name for a web service that responds with text as opposed to XML. As an example this "cardServer" service will return 5 cards for a poker hand. http://hostname:8080/cardServer/deal/Game=Poker&Qty=5 The result could look like this: Card1=Ad Card2=Kc Card3=Ts Card4=5d Card5=3d The real world example is not as trivial, but the concept is the same. Parameters if any are passed as POST variables. We currently parse the response into a string list and use the values. The process works just fine. What I'm wondering if this service method has a name that has easier tools to deal with the responses and therefore did we reinvent the wheel? For the record the service was provided and maintained by a customer.

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