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• Mac OSX 10.8 Server DNS Domain Routing

  - by Oldek

  I just cant seem to figure out the logic in how to configure my Mac Server. So I have set up an DNS, which will take the domain and all subdomains and point towards an IP. File: db.mydomain.com (in /var/named/) mydomain.com. 10800 IN SOA mydomain.com. admin.mydomain.com. ( 2012110903 ; serial 3600 ; refresh (1 hour) 900 ; retry (15 minutes) 1209600 ; expire (2 weeks) 86400 ; minimum (1 day) ) 10800 IN NS mydomain.com. 10800 IN A 10.0.1.2 www.mydomain.com. 10800 IN A 10.0.1.2 So I want all of these requests to be requested to the 10.0.1.2 server, as I run 2 servers in my cluster. This one has always handled the requests, and now I want to add a server in between. So the server in between will get all the signals from my router which NAT the trafic coming from outside. So after setting this up and trying to point my port 80 towards my new server which will be the middle point, it doesn't work. Is it even possible to do it this way? First server: Mac Second server: Linux So what I try to achieve once more: 1. User goes to mydomain.com or www.mydomain.com 2. User request gets handled by my first server 3. First server refers to a local server, which is only available locally (it is configured to allow requests on port 80 and handle them) 4. Second server receives signal 5. Second server returns a request (either directly send to user or send through first server, whichever is most secure and configurable) I also want to be able to set up domains that lead to other servers in the future, and some that are only available within the VPN. (If that changes anything) I hope some kind soul could help me with this, it is really cumbersome for my mind to get the logic here. Do I have to configure my other server in any way? /Marcus

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• Granting Read-Only access to an existing Oracle Schema

  - by Andrew

  Hi, we've got an Oracle 11g Schema that our application uses to select, insert and update, but we've had a request from one of our customers to provide read-only access to the same base tables and views owned by the application. Other than synonym'ing all of the application owned tables into a new account (or making the synonyms public), how would I go about doing this? Any help or pointers to the approach or Oracle feature I should be looking at would be most appreciated, thank you!

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• URL Based Internal Redirecting

  - by bculverscate

  Basically, we have one external IP address, several servers internally and want to redirect to each internal server based on request URL. We do not want to install another piece of hardware to do this for us but we have a firewall running Linux that currently forwards to only one of the internal servers. Example of our setup can be seen here: http://img23.imageshack.us/img23/5469/drawing1br.jpg NOTE: domain.com does not point to this box nor would we like it to. Subdomains are pointed manually to our global IP address.

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• Forcin Nginx to render URI from Rails using Passenger

  - by retro

  Is it possible to force Nginx to render some URL from Rails app although file exists on server? I want to hide some files based from which subdomain request comes. So I would like to completely avoid direct rendering of file from server.

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• Sudo-ing Apache for a particular vhost

  - by djechelon

  I want to manage several SVN repositories for a particular vhost in my system. I want those to be owned by a particular user in the system and not by wwwrun/www. The other websites hosted by Apache should be regularly executed by the unprivileged wwwrun/www user. I'm using worker. How can I tell Apache that every request for a specific vhost must be served impersonating a specific user like I would do in IIS? (This will also come useful when running FUDforum)

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• Why is my concurrency capacity so low for my web app on a LAMP EC2 instance?

  - by AMF

  I come from a web developer background and have been humming along building my PHP app, using the CakePHP framework. The problem arose when I began the ab (Apache Bench) testing on the Amazon EC2 instance in which the app resides. I'm getting pretty horrendous average page load times, even though I'm running a c1.medium instance (2 cores, 2GB RAM), and I think I'm doing everything right. I would run: ab -n 200 -c 20 http://localhost/heavy-but-view-cached-page.php Here are the results: Concurrency Level: 20 Time taken for tests: 48.197 seconds Complete requests: 200 Failed requests: 0 Write errors: 0 Total transferred: 392111200 bytes HTML transferred: 392047600 bytes Requests per second: 4.15 [#/sec] (mean) Time per request: 4819.723 [ms] (mean) Time per request: 240.986 [ms] (mean, across all concurrent requests) Transfer rate: 7944.88 [Kbytes/sec] received While the ab test is running, I run VMStat, which shows that Swap stays at 0, CPU is constantly at 80-100% (although I'm not sure I can trust this on a VM), RAM utilization ramps up to about 1.6G (leaving 400M free). Load goes up to about 8 and site slows to a crawl. Here's what I think I'm doing right on the code side: In Chrome browser uncached pages typically load in 800-1000ms, and cached pages load in 300-500ms. Not stunning, but not terrible either. Thanks to view caching, there might be at most one DB query per page-load to write session data. So we can rule out a DB bottleneck. I have APC on. I am using Memcached to serve the view cache and other site caches. xhprof code profiler shows that cached pages take up 10MB-40MB in memory and 100ms - 1000ms in wall time. Pages that would be the worst offenders would look something like this in xhprof: Total Incl. Wall Time (microsec): 330,143 microsecs Total Incl. CPU (microsecs): 320,019 microsecs Total Incl. MemUse (bytes): 36,786,192 bytes Total Incl. PeakMemUse (bytes): 46,667,008 bytes Number of Function Calls: 5,195 My Apache config: KeepAlive On MaxKeepAliveRequests 100 KeepAliveTimeout 3 <IfModule mpm_prefork_module> StartServers 5 MinSpareServers 5 MaxSpareServers 10 MaxClients 120 MaxRequestsPerChild 1000 </IfModule> Is there something wrong with the server? Some gotcha with the EC2? Or is it my code? Some obvious setting I should look into? Too many DNS lookups? What am I missing? I really want to get to 1,000 concurrency capacity, but at this rate, it ain't gonna happen.

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• Forward my http requests blindly through to a new server

  - by Jason

  I need to forward any http request from my old server IP to my new IP. I migrated servers and there are a few domains that have a high TTL and I could not update. Is it possible to take all HTTP requests from one server running centos/whm/php/apache 2+ and forward them to the new ip? Since I have hundreds of domains I'd prefer a solution that involves running an app on the linux box that will push requests automatically to the new box. Thoughts? Cheers

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• Outlook 2010 calendar entries categorized but not colored in Exchange environment

  - by isaacgrover

  In a small three-user environment running Outlook 2007 on Exchange 2010, all users previously just used one user's calendar as their main calendar. New employee #4 has been set up with his own calendar per the owner's request, they use colored categories for their calendar events, and his categorized activities are not showing up as colored on the other users' Outlook calendars - only his own. What settings should I look at to enable the correct color coding again?

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• Importer or converter for ClarisWorks cwk format?

  - by Justin Dearing

  I have several ClarisWorks documents (*.CWK) that I'd like to import into a more modern format like Microsoft Word or Open Office. It seems Star Office can apparently open cwk files, but the product is discontinued and cannot be downloaded any more. There has been a feature request to add a cwk importer to OpenOffice since 2002, so I doubt that OpenOffice will support cwk files any time soon. Are there any utilities that can open a cwk file besides ClarisWorks itself?

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• Use Match in sshd_config to detect SCP connection

  - by Garreth McDaid

  I use the following directive in sshd_config to detect if the user trying to login to a server is called developer, and issue a bash script to the user if that is the case: Match User developer ForceCommand /bin/dev_login However, when the user tries to upload a file using SCP, they can't, as the dev_login script is interrupting the process. Is it possible to use the Match directive to detect if the connection is SCP rather than a request to open a shell?

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• apache robots.txt with SSL

  - by user224013

  I have an .htaccess file with a rewrite rule to get a redirect of every HTTP request to HTTPS. But now I have a problem that my robots.txt is not recognized by some online checker. If I remove the redirect from the .htaccess file the robots.txt is recognized correctly. Maybe I should exclude that the robots.txt is redirects to an HTTPS connection? This is the part of .htaccess for redirecting to HTTPS RewriteCond %{SERVER_PORT} !^443$ RewriteRule (.*) https://%{HTTP_HOST}/$1 [L]

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• Cron is not available, what can be used instead?

  - by alemani

  Hello, Several server accounts where I run some scripts to extract data from databases have very limited tools available and on some of them you are not allowed (even by formal request) to use cron, than been said, can you recommend any tool(s) I can use to schedule the execution of the scripts (just like cron does)? Thanks ins advance :)

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• Does Google bot(and/or search engines) index a forwarded page? [migrated]

  - by user2889419

  Let say I have foo.bar domain, and I force the user to use the https over http. The question is as browsers just accept and load the forwarded/new page(when the request for http://foo.bar - https://foo.bar), does the google bot(or other search engines) accept the forwarded page and index the new page and just ignore the old page? in other word, does search engines accept https beside the http? thanks in advance.

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• Amazon S3 Iterating Through Multi-Page Results. (withMarker)

  - by Jitu

  Trying to iterate through AmazonS3 that has around 5000+ keys stored in the bucket, used sample code based on provided link on Amazon Developer Guide http://docs.amazonwebservices.com/AmazonS3/latest/dev/ListingObjectKeysUsingNetSDK.html Issue is iteration fails when NexMarker is passed which has length of more than 128 string characters, which seems unusal as withMarker accepts string as parameter and there is no documentation on limit to withMarker. request.Marker = response.NextMarker; Has anyone faced similar issue. Thanks in advance.

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• Facebook, Twitter, Yahoo doesn't work

  - by Toktik

  Some sites doesn't work normally, they are open, without css, images and javascript errors... Facebook stucks on static.ak.fbcdn.net Twitter stucks on a1.twimg.com Yahoo stucks on l.yimg.com On firefox I'm receiving Waiting for ...(any of those). I can access facebook only with SSL. Like https://facebook.com I ping them, only receive request timed out.

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• Lighttpd rewite url from specific client when using proxy

  - by Edu

  I need to send all CGI request to another server so I decided to use it with proxy. The problem is that I need to send the client IP to the server so I did the following configuration: $HTTP["url"] =~ "cgi" { $HTTP["remoteip"] =~ "^(.*)$" { url.rewrite-once = ("^(.*)$" => "$1?myip=%1") } proxy.server = ( "" => ( ( "host" => "XXX.XXX.XXX.XXX", "port" => 80, ) ) ) } the problem is that its not rewriting the URL.

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• Why can't I connect directly with my gmail openid ?

  - by asksuperuser

  When I connect with Google to SuperUser, it shows me an openid in the form https://www.google.com/accounts/o8/id?id=xxx I then added it to my profile and tried to logout and reconnect with it but Google says the page request is invalid.

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• Subdomain mapping to domain

  - by bobobobo

  What happens if you have 2 DNS entries: Name | Type | Value -------------+-------+-------------- example.com | A | 20.20.20.20 example.com | MX | mail.example.com Does this mean that smtp requests to example.com will map to 20.20.20.20, and somehow request in the headers mail.example.com? What?

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• Copy file to all users desktop

  - by 883VV

  I want to copy a file to all users desktop on Windows 7 by using a batch file with the command: COPY C:\FOLDER\FILE.TXT %AllUsersProfile%\Desktop But the message "Permission Denied" is shown. How can i get the batch file to request evaluated privileges so i can click "Yes" instead of just denying?

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• Cron is not available, what to use instead?

  - by alemani

  Hello, Several server accounts where I run some scripts to extract data from databases have very limited tools available and on some of them you are not allowed (even by formal request) to use cron, than been said, can you recommend any tool(s) I can use to schedule the execution of the scripts (just like cron does)? Thanks ins advance :)

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• Is S3 cheaper than a EC2 DIY solution (for small files)

  - by Jann

  Is it really cheaper to host images and scripts via S3 than with an EC2 instance running nginx/varnish/etc. ? It seems to me (but i'm just getting started with AWS) that the request costs will be the major factor if you don't use sprites or other optimizations... or am i missing something ?

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• NGINX access logging with subdomain

  - by user353877

  We are trying to log requests made through an nginx load balancer. When we make requests to our server on a subdomain (api.blah.com), the request does not show up in the access logs However, requests made directly to blah.com do show up in the access logs. CONFIGURATION INFO We have a DNS record that creates a CNAME for the subdomain 'api' TRIED SO FAR We have tried looking in nginx.conf for exclusions (or anything that would be telling it to not log) We have tried adding server entries with the subdomain specifically and telling those to log but nothing seems to make a difference

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• Best cPanel Reseller Company

  - by noorahmad

  I have a hosting company, I am using resellerpanel.com to buy domain and hosting for my clients, but I want to switch to cPanel, resellerpanel offers from 17.50$/M and hostgator.com offers 19.96$/M, I don't care about money all I care about services, live support and up time. Note: some of my clients request email only not hosting can I limit access to email mananger or hosting only with cPanel? Thanks.

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• How is network traffic routed (VPN vs. 'open')?

  - by craibuc

  If my workstation has a VPN connection to a given network (a client's, for instance) and an open connection, what determines how a request for a network resource (e.g. a web page) is routed? Moreover, given that a resource (e.g. google.com) could be available via either route (i.e. VPN or non-VPN), how is this route determined? Is there a way to 'force' the routing to use a given route or the route with lower overhead?

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• Preventing 304 Not Modified Requests with nginx

  - by ustun

  I am running nginx, and have the following block for expiration: expires 52w; However when I use Google Chrome Developer Tools to observe network traffic, some of the assets are loaded from cache (200-from cache) while most of the assets are making a request to the server (304 Not Modified). I want to load all assets from cache without communicating with the server if possible. (200-from cache) What would be the required change in my nginx configuration?

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