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  • Reading an XML file and store data to mysql database.

    - by Jack Brown
    Hi I need the following php script to do a currency conversion using a different XML file. Its a script from white-hat design http://www.white-hat-web-design.co.uk/articles/php-currency-conversion.php The script needs to be amended to do the following: 1, The php script downloads every 24 hours an xml file from rss.timegenie.com/foreign_exchange_rates_forex rss.timegenie.com/forex.xml rss.timegenie.com/forex2.xml 2, It then stores the xml file data/contents to a mysql database file ie currency and rate. Any advice would be appreciated.

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  • How can I store large amount of data from a database to XML (speed problem, part three)?

    - by Andrija
    After getting some responses, the current situation is that I'm using this tip: http://www.ibm.com/developerworks/xml/library/x-tipbigdoc5.html (Listing 1. Turning ResultSets into XML), and XMLWriter for Java from http://www.megginson.com/downloads/ . Basically, it reads date from the database and writes them to a file as characters, using column names to create opening and closing tags. While doing so, I need to make two changes to the input stream, namely to the dates and numbers. // Iterate over the set while (rs.next()) { w.startElement("row"); for (int i = 0; i < count; i++) { Object ob = rs.getObject(i + 1); if (rs.wasNull()) { ob = null; } String colName = meta.getColumnLabel(i + 1); if (ob != null ) { if (ob instanceof Timestamp) { w.dataElement(colName, Util.formatDate((Timestamp)ob, dateFormat)); } else if (ob instanceof BigDecimal){ w.dataElement(colName, Util.transformToHTML(new Integer(((BigDecimal)ob).intValue()))); } else { w.dataElement(colName, ob.toString()); } } else { w.emptyElement(colName); } } w.endElement("row"); } The SQL that gets the results has the to_number command (e.g. to_number(sif.ID) ID ) and the to_date command (e.g. TO_DATE (sif.datum_do, 'DD.MM.RRRR') datum_do). The problems are that the returning date is a timestamp, meaning I don't get 14.02.2010 but rather 14.02.2010 00:00:000 so I have to format it to the dd.mm.yyyy format. The second problem are the numbers; for some reason, they are in database as varchar2 and can have leading zeroes that need to be stripped; I'm guessing I could do that in my SQL with the trim function so the Util.transformToHTML is unnecessary (for clarification, here's the method): public static String transformToHTML(Integer number) { String result = ""; try { result = number.toString(); } catch (Exception e) {} return result; } What I'd like to know is a) Can I get the date in the format I want and skip additional processing thus shortening the processing time? b) Is there a better way to do this? We're talking about XML files that are in the 50 MB - 250 MB filesize category.

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  • Extracting data from a text file to use in a python script?

    - by Rob
    Basically, I have a file like this: Url/Host: www.example.com Login: user Password: password How can I use RegEx to separate the details to place them into variables? Sorry if this is a terrible question, I can just never grasp RegEx. So another question would be, can you provide the RegEx, but kind of explain what each part of it is for?

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  • MySQL Cluster 7.2: Over 8x Higher Performance than Cluster 7.1

    - by Mat Keep
    0 0 1 893 5092 Homework 42 11 5974 14.0 Normal 0 false false false EN-US JA X-NONE /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-priority:99; mso-style-parent:""; mso-padding-alt:0cm 5.4pt 0cm 5.4pt; mso-para-margin:0cm; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:12.0pt; font-family:Cambria; mso-ascii-font-family:Cambria; mso-ascii-theme-font:minor-latin; mso-hansi-font-family:Cambria; mso-hansi-theme-font:minor-latin; mso-ansi-language:EN-US;} Summary The scalability enhancements delivered by extensions to multi-threaded data nodes enables MySQL Cluster 7.2 to deliver over 8x higher performance than the previous MySQL Cluster 7.1 release on a recent benchmark What’s New in MySQL Cluster 7.2 MySQL Cluster 7.2 was released as GA (Generally Available) in February 2012, delivering many enhancements to performance on complex queries, new NoSQL Key / Value API, cross-data center replication and ease-of-use. These enhancements are summarized in the Figure below, and detailed in the MySQL Cluster New Features whitepaper Figure 1: Next Generation Web Services, Cross Data Center Replication and Ease-of-Use Once of the key enhancements delivered in MySQL Cluster 7.2 is extensions made to the multi-threading processes of the data nodes. Multi-Threaded Data Node Extensions The MySQL Cluster 7.2 data node is now functionally divided into seven thread types: 1) Local Data Manager threads (ldm). Note – these are sometimes also called LQH threads. 2) Transaction Coordinator threads (tc) 3) Asynchronous Replication threads (rep) 4) Schema Management threads (main) 5) Network receiver threads (recv) 6) Network send threads (send) 7) IO threads Each of these thread types are discussed in more detail below. MySQL Cluster 7.2 increases the maximum number of LDM threads from 4 to 16. The LDM contains the actual data, which means that when using 16 threads the data is more heavily partitioned (this is automatic in MySQL Cluster). Each LDM thread maintains its own set of data partitions, index partitions and REDO log. The number of LDM partitions per data node is not dynamically configurable, but it is possible, however, to map more than one partition onto each LDM thread, providing flexibility in modifying the number of LDM threads. The TC domain stores the state of in-flight transactions. This means that every new transaction can easily be assigned to a new TC thread. Testing has shown that in most cases 1 TC thread per 2 LDM threads is sufficient, and in many cases even 1 TC thread per 4 LDM threads is also acceptable. Testing also demonstrated that in some instances where the workload needed to sustain very high update loads it is necessary to configure 3 to 4 TC threads per 4 LDM threads. In the previous MySQL Cluster 7.1 release, only one TC thread was available. This limit has been increased to 16 TC threads in MySQL Cluster 7.2. The TC domain also manages the Adaptive Query Localization functionality introduced in MySQL Cluster 7.2 that significantly enhanced complex query performance by pushing JOIN operations down to the data nodes. Asynchronous Replication was separated into its own thread with the release of MySQL Cluster 7.1, and has not been modified in the latest 7.2 release. To scale the number of TC threads, it was necessary to separate the Schema Management domain from the TC domain. The schema management thread has little load, so is implemented with a single thread. The Network receiver domain was bound to 1 thread in MySQL Cluster 7.1. With the increase of threads in MySQL Cluster 7.2 it is also necessary to increase the number of recv threads to 8. This enables each receive thread to service one or more sockets used to communicate with other nodes the Cluster. The Network send thread is a new thread type introduced in MySQL Cluster 7.2. Previously other threads handled the sending operations themselves, which can provide for lower latency. To achieve highest throughput however, it has been necessary to create dedicated send threads, of which 8 can be configured. It is still possible to configure MySQL Cluster 7.2 to a legacy mode that does not use any of the send threads – useful for those workloads that are most sensitive to latency. The IO Thread is the final thread type and there have been no changes to this domain in MySQL Cluster 7.2. Multiple IO threads were already available, which could be configured to either one thread per open file, or to a fixed number of IO threads that handle the IO traffic. Except when using compression on disk, the IO threads typically have a very light load. Benchmarking the Scalability Enhancements The scalability enhancements discussed above have made it possible to scale CPU usage of each data node to more than 5x of that possible in MySQL Cluster 7.1. In addition, a number of bottlenecks have been removed, making it possible to scale data node performance by even more than 5x. Figure 2: MySQL Cluster 7.2 Delivers 8.4x Higher Performance than 7.1 The flexAsynch benchmark was used to compare MySQL Cluster 7.2 performance to 7.1 across an 8-node Intel Xeon x5670-based cluster of dual socket commodity servers (6 cores each). As the results demonstrate, MySQL Cluster 7.2 delivers over 8x higher performance per data nodes than MySQL Cluster 7.1. More details of this and other benchmarks will be published in a new whitepaper – coming soon, so stay tuned! In a following blog post, I’ll provide recommendations on optimum thread configurations for different types of server processor. You can also learn more from the Best Practices Guide to Optimizing Performance of MySQL Cluster Conclusion MySQL Cluster has achieved a range of impressive benchmark results, and set in context with the previous 7.1 release, is able to deliver over 8x higher performance per node. As a result, the multi-threaded data node extensions not only serve to increase performance of MySQL Cluster, they also enable users to achieve significantly improved levels of utilization from current and future generations of massively multi-core, multi-thread processor designs.

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  • Master-slave vs. peer-to-peer archictecture: benefits and problems

    - by Ashok_Ora
    Normal 0 false false false EN-US X-NONE X-NONE Almost two decades ago, I was a member of a database development team that introduced adaptive locking. Locking, the most popular concurrency control technique in database systems, is pessimistic. Locking ensures that two or more conflicting operations on the same data item don’t “trample” on each other’s toes, resulting in data corruption. In a nutshell, here’s the issue we were trying to address. In everyday life, traffic lights serve the same purpose. They ensure that traffic flows smoothly and when everyone follows the rules, there are no accidents at intersections. As I mentioned earlier, the problem with typical locking protocols is that they are pessimistic. Regardless of whether there is another conflicting operation in the system or not, you have to hold a lock! Acquiring and releasing locks can be quite expensive, depending on how many objects the transaction touches. Every transaction has to pay this penalty. To use the earlier traffic light analogy, if you have ever waited at a red light in the middle of nowhere with no one on the road, wondering why you need to wait when there’s clearly no danger of a collision, you know what I mean. The adaptive locking scheme that we invented was able to minimize the number of locks that a transaction held, by detecting whether there were one or more transactions that needed conflicting eyou could get by without holding any lock at all. In many “well-behaved” workloads, there are few conflicts, so this optimization is a huge win. If, on the other hand, there are many concurrent, conflicting requests, the algorithm gracefully degrades to the “normal” behavior with minimal cost. We were able to reduce the number of lock requests per TPC-B transaction from 178 requests down to 2! Wow! This is a dramatic improvement in concurrency as well as transaction latency. The lesson from this exercise was that if you can identify the common scenario and optimize for that case so that only the uncommon scenarios are more expensive, you can make dramatic improvements in performance without sacrificing correctness. So how does this relate to the architecture and design of some of the modern NoSQL systems? NoSQL systems can be broadly classified as master-slave sharded, or peer-to-peer sharded systems. NoSQL systems with a peer-to-peer architecture have an interesting way of handling changes. Whenever an item is changed, the client (or an intermediary) propagates the changes synchronously or asynchronously to multiple copies (for availability) of the data. Since the change can be propagated asynchronously, during some interval in time, it will be the case that some copies have received the update, and others haven’t. What happens if someone tries to read the item during this interval? The client in a peer-to-peer system will fetch the same item from multiple copies and compare them to each other. If they’re all the same, then every copy that was queried has the same (and up-to-date) value of the data item, so all’s good. If not, then the system provides a mechanism to reconcile the discrepancy and to update stale copies. So what’s the problem with this? There are two major issues: First, IT’S HORRIBLY PESSIMISTIC because, in the common case, it is unlikely that the same data item will be updated and read from different locations at around the same time! For every read operation, you have to read from multiple copies. That’s a pretty expensive, especially if the data are stored in multiple geographically separate locations and network latencies are high. Second, if the copies are not all the same, the application has to reconcile the differences and propagate the correct value to the out-dated copies. This means that the application program has to handle discrepancies in the different versions of the data item and resolve the issue (which can further add to cost and operation latency). Resolving discrepancies is only one part of the problem. What if the same data item was updated independently on two different nodes (copies)? In that case, due to the asynchronous nature of change propagation, you might land up with different versions of the data item in different copies. In this case, the application program also has to resolve conflicts and then propagate the correct value to the copies that are out-dated or have incorrect versions. This can get really complicated. My hunch is that there are many peer-to-peer-based applications that don’t handle this correctly, and worse, don’t even know it. Imagine have 100s of millions of records in your database – how can you tell whether a particular data item is incorrect or out of date? And what price are you willing to pay for ensuring that the data can be trusted? Multiple network messages per read request? Discrepancy and conflict resolution logic in the application, and potentially, additional messages? All this overhead, when all you were trying to do was to read a data item. Wouldn’t it be simpler to avoid this problem in the first place? Master-slave architectures like the Oracle NoSQL Database handles this very elegantly. A change to a data item is always sent to the master copy. Consequently, the master copy always has the most current and authoritative version of the data item. The master is also responsible for propagating the change to the other copies (for availability and read scalability). Client drivers are aware of master copies and replicas, and client drivers are also aware of the “currency” of a replica. In other words, each NoSQL Database client knows how stale a replica is. This vastly simplifies the job of the application developer. If the application needs the most current version of the data item, the client driver will automatically route the request to the master copy. If the application is willing to tolerate some staleness of data (e.g. a version that is no more than 1 second out of date), the client can easily determine which replica (or set of replicas) can satisfy the request, and route the request to the most efficient copy. This results in a dramatic simplification in application logic and also minimizes network requests (the driver will only send the request to exactl the right replica, not many). So, back to my original point. A well designed and well architected system minimizes or eliminates unnecessary overhead and avoids pessimistic algorithms wherever possible in order to deliver a highly efficient and high performance system. If you’ve every programmed an Oracle NoSQL Database application, you’ll know the difference! /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-priority:99; mso-style-qformat:yes; mso-style-parent:""; mso-padding-alt:0in 5.4pt 0in 5.4pt; mso-para-margin-top:0in; mso-para-margin-right:0in; mso-para-margin-bottom:10.0pt; mso-para-margin-left:0in; line-height:115%; mso-pagination:widow-orphan; font-size:11.0pt; font-family:"Calibri","sans-serif"; mso-ascii-font-family:Calibri; mso-ascii-theme-font:minor-latin; mso-fareast-font-family:"Times New Roman"; mso-fareast-theme-font:minor-fareast; mso-hansi-font-family:Calibri; mso-hansi-theme-font:minor-latin;}

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  • Bundler won't install

    - by Victor S
    I'm in a strange situation, I install bundler in my RVM gemset, it sais it installed correctly, but when I try to run it asks me to to install bundler again: here is a transcript of my terminal interaction: abc@li243-166:/srv/www/dinner/current$ bundle ERROR: Gem bundler is not installed, run `gem install bundler` first. abc@li243-166:/srv/www/dinner/current$ gem install bundler Successfully installed bundler-1.3.5 1 gem installed abc@li243-166:/srv/www/dinner/current$ bundle ERROR: Gem bundler is not installed, run `gem install bundler` first. abc@li243-166:/srv/www/dinner/current$

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  • reset file permissions?

    - by acidzombie24
    In my /var/www folder i have permission 2750 with the owner being root (unless i change it by hand) and the group being www-data. I mv a folder into /var/www and i'd like to reset the permissions so everything is 2750 and for the group to be www-data, is it possible to do it in one command? or do i need to do multiple cmds? (its two commands, 3 if i want the same owner but it be nice to do it with one for this folder)

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  • Linux Unable to Write to Directory Despite Permissions

    - by Nick Q.
    I'm trying to give myself permissions to /var/www/ however for some reason I am unable to do so. Currently what I'm facing is this: nick@server1:/var$ ls -l drwxrwxr-x 5 root wwwusers 232 Mar 15 19:31 www nick@server1:/var$ groups nick wwwusers nick@server1:/var$ mkdir www/trying mkdir: cannot create directory `www/trying': Permission denied I am running Ubuntu 10.04 LTS on a VPS and am used to running unix on my own machine so I may be doing something absolutely stupid, but I would like to be able to have the group wwwusers be able to write to www.

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  • Linux Unable to Write to Directory Despite Permissions

    - by Nick Q.
    I'm trying to give myself permissions to /var/www/ however for some reason I am unable to do so. Currently what I'm facing is this: nick@server1:/var$ ls -l drwxrwxr-x 5 root wwwusers 232 Mar 15 19:31 www nick@server1:/var$ groups nick wwwusers nick@server1:/var$ mkdir www/trying mkdir: cannot create directory `www/trying': Permission denied I am running Ubuntu 10.04 LTS on a VPS and am used to running unix on my own machine so I may be doing something absolutely stupid, but I would like to be able to have the group wwwusers be able to write to www.

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  • URL rewrite in IIS 7

    - by Martho
    I have a question. I'm using IIS 7 URL rewrite. It works fine, but now I want this: http://www.example.com/http://www.domain.com to be: http://www.example.com/www.domain.com I have no clue on how to do this. Can you help me? Thanks in advance! Martho

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  • broken apache .htaccess (mod_rewrite)

    - by Tim
    Hey there, I'm running into an apache mod_rewrite configuration issue on one of our machines. Has anyone encountered / overcome anyone of these issues. URL1 ( http://www.uppereast.com ) is not being redirected to URL2 ( http://www.nyclocalliving.com ). This definitely worked in my test environment where a localhost address was rewritten to URL2 ( RewriteRule ^http://upe.localhost$ http://www.nyclocalliving.com ). I'm trying to get the all of the redirect rules working ( 2200 + ), but the 'http://www.nyclocalliving.com' site encounters a server error if I use more that 1000 or more rules. A) .htaccess file - I've tried the simplest approach which worked in a local environment 75 # Various rewrite rules. 76 <IfModule mod_rewrite.c> 77 RewriteEngine on 78 79 # BEGIN new URL Mapping rules 80 #RewriteRule ^http://www.uppereast.com/$ http://www.nyclocalliving.com ... 2307 #RewriteRule ^http://www.uppereast.com/zipcodechange.html$ http://www.nyclocalliving.com/zip-code-change fig. 1 B) /var/log/httpd/error_log file - there are these seg. fault errors when I enable the first rule ( line 80 ). no error logs otherwise. 1893 [Fri Sep 25 17:53:46 2009] [notice] Digest: generating secret for digest authentication ... 1894 [Fri Sep 25 17:53:46 2009] [notice] Digest: done 1895 [Fri Sep 25 17:53:46 2009] [notice] Apache/2.2.3 (CentOS) configured -- resuming normal operations 1896 [Fri Sep 25 17:53:47 2009] [notice] child pid 29774 exit signal Segmentation fault (11) 1897 [Fri Sep 25 17:53:47 2009] [notice] child pid 29775 exit signal Segmentation fault (11) 1898 [Fri Sep 25 17:53:47 2009] [notice] child pid 29776 exit signal Segmentation fault (11) 1899 [Fri Sep 25 17:53:47 2009] [notice] child pid 29777 exit signal Segmentation fault (11) 1900 [Fri Sep 25 17:53:47 2009] [notice] child pid 29778 exit signal Segmentation fault (11) 1901 [Fri Sep 25 17:53:47 2009] [notice] child pid 29779 exit signal Segmentation fault (11) fig. 2 C) Some more debug information from the shell; the mod_rewrite is turned on and this is the machine architecture 1 # apachectl -t -D DUMP_MODULES | more 2 Loaded Modules: 3 core_module (static) 4 ... 5 rewrite_module (shared) 1 # uname -a 2 Linux RegionalWeb 2.6.24-23-xen #1 SMP Mon Jan 26 03:09:12 UTC 2009 x86_64 x86_64 x86_64 GNU/Linux fig. 3 I looked into some previous posts (http://serverfault.com/questions/18744/htaccess-not-working-modrewrite), but didn't find a solution for this. I'm sure there's a small switch somewhere that I'm missing. Thanks in advance Tim

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  • Not sure about ACL permissions

    - by Darko Miletic
    I'm writing up something about ACL usage on CentOS but since I still do not have a box ready I would like to ask something. Let us assume we have a folder /var/www/test If I do this in terms of permissions: /bin/chown -R root:root /var/www/test/ /bin/chmod -R u=rwx,go= /var/www/test/ /usr/bin/setfacl -R -m u:apache:rwx /var/www/test/ Will user apache be able to change owner of folder test or of any particular file within that folder? If answer is yes shall I than use group instead of user?

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  • Rewrite rule truncate file name

    - by Valerio Cicero
    I search online for the solution, but nothing :(. I write this simple rule RewriteRule ^(.*)$ http://www.mysite.com/$1 [P,NE,QSA,L] In mysite.it i have an .htaccess with this rule and it's ok, but if i have a link "http://www.mysite.it/public/file name.html" the server point to "http://www.mysite.it/public/file" I try many solution but i can't solve. I try this and many shades of... RewriteRule ^(.*)(%20)(.*)$ "http://www.mysite.com/$1$3" [P,NE,QSA,L] Thanks!

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  • lighttpd: weird behavior on multiple rewrite rule matches

    - by netmikey
    I have a 20-rewrite.conf for my php application looking like this: $HTTP["host"] =~ "www.mydomain.com" { url.rewrite-once += ( "^/(img|css)/.*" => "$0", ".*" => "/my_app.php" ) } I want to be able to put the webserver in kind of a "maintenance" mode while I update my application from scm. To do this, my idea was to enable an additional rewrite configuration file before this one. The 16-rewrite-maintenance.conf file looks like this: url.rewrite-once += ( "^/(img|css)/.*" => "$0", ".*" => "/maintenance_app.php" ) Now, on the maintenance page, I have a logo that doesn't get loaded. I get a 404 error. Lighttpd debug says the following: 2012-12-13 20:28:06: (response.c.300) -- splitting Request-URI 2012-12-13 20:28:06: (response.c.301) Request-URI : /img/content/logo.png 2012-12-13 20:28:06: (response.c.302) URI-scheme : http 2012-12-13 20:28:06: (response.c.303) URI-authority: localhost 2012-12-13 20:28:06: (response.c.304) URI-path : /img/content/logo.png 2012-12-13 20:28:06: (response.c.305) URI-query : 2012-12-13 20:28:06: (response.c.300) -- splitting Request-URI 2012-12-13 20:28:06: (response.c.301) Request-URI : /img/content/logo.png, /img/content/logo.png 2012-12-13 20:28:06: (response.c.302) URI-scheme : http 2012-12-13 20:28:06: (response.c.303) URI-authority: localhost 2012-12-13 20:28:06: (response.c.304) URI-path : /img/content/logo.png, /img/content/logo.png 2012-12-13 20:28:06: (response.c.305) URI-query : 2012-12-13 20:28:06: (response.c.349) -- sanatising URI 2012-12-13 20:28:06: (response.c.350) URI-path : /img/content/logo.png, /img/content/logo.png 2012-12-13 20:28:06: (mod_access.c.135) -- mod_access_uri_handler called 2012-12-13 20:28:06: (response.c.470) -- before doc_root 2012-12-13 20:28:06: (response.c.471) Doc-Root : /www 2012-12-13 20:28:06: (response.c.472) Rel-Path : /img/content/logo.png, /img/content/logo.png 2012-12-13 20:28:06: (response.c.473) Path : 2012-12-13 20:28:06: (response.c.521) -- after doc_root 2012-12-13 20:28:06: (response.c.522) Doc-Root : /www 2012-12-13 20:28:06: (response.c.523) Rel-Path : /img/content/logo.png, /img/content/logo.png 2012-12-13 20:28:06: (response.c.524) Path : /www/img/content/logo.png, /img/content/logo.png 2012-12-13 20:28:06: (response.c.541) -- logical -> physical 2012-12-13 20:28:06: (response.c.542) Doc-Root : /www 2012-12-13 20:28:06: (response.c.543) Rel-Path : /img/content/logo.png, /img/content/logo.png 2012-12-13 20:28:06: (response.c.544) Path : /www/img/content/logo.png, /img/content/logo.png 2012-12-13 20:28:06: (response.c.561) -- handling physical path 2012-12-13 20:28:06: (response.c.562) Path : /www/img/content/logo.png, /img/content/logo.png 2012-12-13 20:28:06: (response.c.618) -- file not found 2012-12-13 20:28:06: (response.c.619) Path : /www/img/content/logo.png, /img/content/logo.png Any clue on why lighttpd matches both rules (from my application rewrite config and from my maintenance rewrite config) and concatenates them with a comma - that doesn't seem to make any sense?! Shouldn't it stop after the first match with rewrite-once?

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  • Best way to handle PHP sessions across Apache vhost wildcard domains

    - by joshholat
    I'm currently running a site that allows users to use custom domains (i.e. so instead of mysite.com/myaccount, they could have myaccount.com). They just change the A record of their domain and we then use a wildcard vhost on Apache to catch the requests from the custom domains. The setup is basically as seen below. The first vhost catches the mysite.com/myaccount requests and the second would be used for myaccount.com. As you can see, they have the exact same path and php cookie_domain. I've noticed some weird behavior surrounding the line below "#The line below me". When active, the custom domains get a new session_id every page load (that isn't the same as the non-custom domain session). However, when I comment that line out, the user keeps the same session_id on each page load, but that session_id is not the same as the one they'd see on a non-custom domain site either despite being completely on the same server. There is a sort of "hack" workaround involving redirecting the user to mysite.com/myaccount, getting the session ID, redirecting back to myaccount.com, and then using that ID on the myaccount.com. But that can get kind of messy (i.e. if the user logs out of mysite.com/myaccount, how does myaccount.com know?). For what it's worth, I'm using a database to manage the sessions (i.e. so there's no issues with being on different servers, etc, but that's irrelevant since we only use one server to handle all requests currently anyways). I'm fairly certain it is related to some sort of CSRF browser protection thing, but shouldn't it be smart enough to know it's on the same server? Note: These are subdomains, they're separate domains entirely (but on the same server). <VirtualHost *:80> DocumentRoot "/opt/local/www/mysite.com" ServerName mysite.local ErrorLog "/opt/local/apache2/logs/mysite.com-error.log" CustomLog "/opt/local/apache2/logs/mysite.com-access.log" common <Directory "/opt/local/www/mysite.com"> AllowOverride All #php_value session.save_path "/opt/local/www/mysite.com/sessions" php_value session.cookie_domain "mysite.local" php_value auto_prepend_file "/opt/local/www/mysite.com/core.php" </Directory> </VirtualHost> #Wildcard (custom domain) vhost <VirtualHost *:80> DocumentRoot "/opt/local/www/mysite.com" ServerName default ServerAlias * ErrorLog "/opt/local/apache2/logs/mysite.com-error.log" CustomLog "/opt/local/apache2/logs/mysite.com-access.log" common <Directory "/opt/local/www/mysite.com"> AllowOverride All #php_value session.save_path "/opt/local/www/mysite.com/sessions" # The line below me php_value session.cookie_domain "mysite.local" php_value auto_prepend_file "/opt/local/www/mysite.com/core.php" </Directory> </VirtualHost>

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  • Ubuntu Server 12.04 CPU Load

    - by zertux
    I have a Server (2x Hexa-Core Xeon E5649 2.53GHz w/HT with 32GB RAM and 20000 GB Bandwidth) running Ubuntu Server 12.04 LTS. The server runs LAMP and serves one website only, the estimated number of users is to be ~ 15,000 at the same time. At the moment i have around 2000 users online each of them runs 50 MySQL queries (small values mostly select and insert) from the beginning until the end of the session. Server CPU Load is high at this number of connections while the RAM usage is almost 1GB out of 32GB its worth mentioning that the server was running very fast with no problems at all but am concerned about the load average. http://s12.postimage.org/z7hi6mz3h/photo.png top - 03:02:43 up 9 min, 2 users, load average: 50.83, 30.14, 12.83 Tasks: 432 total, 1 running, 430 sleeping, 0 stopped, 1 zombie Cpu(s): 0.1%us, 0.2%sy, 0.0%ni, 66.5%id, 33.1%wa, 0.0%hi, 0.0%si, 0.0%st Mem: 32939992k total, 3111604k used, 29828388k free, 84108k buffers Swap: 2048280k total, 0k used, 2048280k free, 1621640k cached PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND 2860 root 20 0 25820 2288 1420 S 3 0.0 0:11.18 htop 1182 root 20 0 0 0 0 D 2 0.0 0:01.46 kjournald 1935 mysql 20 0 12.3g 161m 7924 S 1 0.5 102:31.45 mysqld 11 root 20 0 0 0 0 S 0 0.0 0:00.38 kworker/0:1 1822 www-data 20 0 247m 25m 4188 D 0 0.1 0:01.81 apache2 2920 www-data 20 0 0 0 0 Z 0 0.0 0:01.20 apache2 <defunct> 2942 www-data 20 0 247m 23m 3056 D 0 0.1 0:00.20 apache2 3516 www-data 20 0 247m 23m 3028 D 0 0.1 0:00.06 apache2 3521 www-data 20 0 247m 23m 3020 D 0 0.1 0:00.09 apache2 3664 www-data 20 0 247m 23m 3132 D 0 0.1 0:00.09 apache2 3674 www-data 20 0 247m 23m 3252 D 0 0.1 0:00.06 apache2 3713 www-data 20 0 247m 23m 3040 D 0 0.1 0:00.09 apache2 1 root 20 0 24328 2284 1344 S 0 0.0 0:03.09 init 2 root 20 0 0 0 0 S 0 0.0 0:00.00 kthreadd 3 root 20 0 0 0 0 S 0 0.0 0:00.01 ksoftirqd/0 6 root RT 0 0 0 0 S 0 0.0 0:00.00 migration/0 7 root RT 0 0 0 0 S 0 0.0 0:00.00 watchdog/0 8 root RT 0 0 0 0 S 0 0.0 0:00.00 migration/1 9 root 20 0 0 0 0 S 0 0.0 0:00.00 kworker/1:0 root@server:~/codes# vmstat 1 procs -----------memory---------- ---swap-- -----io---- -system-- ----cpu---- r b swpd free buff cache si so bi bo in cs us sy id wa 19 0 0 29684012 86112 1689844 0 0 19 590 254 231 48 0 47 5 23 0 0 29704812 86128 1697672 0 0 4 320 11100 8121 77 1 22 0 33 0 0 29671044 86156 1705308 0 0 0 5440 13190 9140 95 1 4 0 33 3 0 29670088 86160 1706288 0 0 0 32932 12275 7297 99 0 1 0 35 0 0 29693456 86188 1710724 0 0 4 676 12701 7867 98 1 1 0 ^C I have not changed any of the default configurations that comes with Ubuntu. Is this load normal for such powerful server ? is there any optimization i can make to Apache/MySQL to minimize the load ? What do you recommend ?

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  • Apache Alias subfolder and starting with dot

    - by MauricioOtta
    I have a multi purpose server running ArchLinux that currently serves multiple virtual hosts from /var/www/domains/EXAMPLE.COM/html /var/www/domains/EXAMPLE2.COM/html I deploy those websites (mostly using Kohana framework) using a Jenkins job by checking out the project, removes the .git folder and ssh-copy the tar.gz to /var/www/domains/ on the server and untars it. Since I don't want to have to re-install phpMyAdmin after each deploy, I decided to use an alias. I would like the alias to be something like /.tools/phpMyAdmin/ so I could have more "tools" later if I wanted to. I have tried just changing the default httpd-phpmyadmin.conf that was installed by following the official WIKI: https://wiki.archlinux.org/index.php/Phpmyadmin Alias /.tools/phpMyAdmin/ "/usr/share/webapps/phpMyAdmin" <Directory "/usr/share/webapps/phpMyAdmin"> AllowOverride All Options FollowSymlinks Order allow,deny Allow from all php_admin_value open_basedir "/var/www/:/tmp/:/usr/share/webapps/:/etc/webapps:/usr/share/pear/" </Directory> Changing only that, doesn't seem to work with my current setup on the server, and apache forwards the request to the framework which 404s (as there's no route to handle /.tools/phpAdmin). I have Mass Virtual hosting enable and setup like this: # # Use name-based virtual hosting. # NameVirtualHost *:8000 # get the server name from the Host: header UseCanonicalName On # splittable logs LogFormat "%{Host}i %h %l %u %t \"%r\" %s %b" vcommon CustomLog logs/access_log vcommon <Directory /var/www/domains> # ExecCGI is needed here because we can't force # CGI execution in the way that ScriptAlias does Options FollowSymLinks ExecCGI AllowOverride All Order allow,deny Allow from all </Directory> RewriteEngine On # a ServerName derived from a Host: header may be any case at all RewriteMap lowercase int:tolower ## deal with normal documents first: # allow Alias /icons/ to work - repeat for other aliases RewriteCond %{REQUEST_URI} !^/icons/ # allow CGIs to work RewriteCond %{REQUEST_URI} !^/cgi-bin/ # do the magic RewriteCond %{SERVER_NAME} ^(www\.|)(.*) RewriteRule ^/(.*)$ /var/www/domains/${lowercase:%2}/html/$1 ## and now deal with CGIs - we have to force a MIME type RewriteCond %{REQUEST_URI} ^/cgi-bin/ RewriteRule ^/(.*)$ /var/www/domains/${lowercase:%{SERVER_NAME}}/cgi-bin/$1 [T=application/x-httpd-cgi] There is also nginx running on this server on port 80 as a reverse proxy for Apache: location ~ \.php$ { proxy_pass http://127.0.0.1:8000; } Everything else was setup by following the official WIKI so I don't think those would cause trouble. Do I need to have the alias for phpMyAdmin setup along the mass virtual hosting or can it be in a separate include file for that alias to work?

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  • Forwarding apache requests (port 80) to Tomcat (port 8080)?

    - by iftrue
    I want to run a Tomcat application through a regular website URL, such as www.xyz.com. I would like the root of this domain to act as the base directory for the web application, so each request to www.xyz.com/a/b/c becomes www.abc.com:8080/myApp/a/b/c. Ideally, I would be able to do this transparently and only for certain webapps. www.abc.com:8080 should still respond to requests. What do I need to do to make this happen?

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  • All users of a group can edit each others files (Linux)

    - by Xeoncross
    I want anyone in group www-data to have write access to /var/www. For example, if 'a' and 'b' are in group www-data and 'a' creates a file in /var/www - then 'b' will be able to edit it. The problem is that I create files that PHP and Apache can't edit - and they create files I can't edit without sudo. I changed the umask setting /etc/profile from umask 022 to umask 002. Is this a safe and proper way to handle this?

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  • Combining DocumentRoot and proxypass in Apache Web server

    - by user10211
    I have an application running on tomcat and fronted with Apache. My server name is www.abc.com so in my vHost setting I have DocumentRoot /home/user/www.abc.com ServeName www.abc.com ProxyPass /app http://localhost:8080/app ProxyPassReverse /app http://localhost:8080/app The DocumentRoot has a static file index.html, which I would like to serve when www.abc.com is requested and all other requests should be directed to tomcat via the proxypass. Which is the easiest way to achieve this? Thanks

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  • Two VHosts Use Same DocumentRoot, PHP Not Working on Second VHost

    - by thegrip
    I'm helping maintain an e-commerce site that is run on Magento. This site is an outlet for our wholesale customers. We have recently decided to open a second store to reach out to our Retail customers. We decided to set up another website inside of our magento store so that we can share the products across both stores. I'm in the process of setting up this new site on the server, but have run into an issue. I've set up the second vhost for the new retail site, and I've made the DocumentRoot for this vhost the same as for the wholesale site, so we can use one magento application for both sites. This is where the error occurs. When I browse to the new store it triggers a download of the index.php file. So I know the DocumentRoot directive is working, but it seems like PHP is being broken in the process. I'm using plesk to manage the server. I've made sure that PHP is turned on in both vhosts and still get the same issue. Does this sound like a problem of PHP breaking, or is it possible my vhost.conf file is set up incorrectly? (Although the vhost is managed by plesk and appears correct) Any help will be much appreciated. EDIT: Here's the vhost configs (generated by plesk): <VirtualHost IPADDRESS:80> ServerName domain.com:80 ServerAdmin "[email protected]" DocumentRoot /var/www/vhosts/domain.com/subdomains/tk/httpdocs CustomLog /var/www/vhosts/domain.com/statistics/logs/access_log plesklog ErrorLog /var/www/vhosts/domain.com/statistics/logs/error_log <IfModule mod_ssl.c> SSLEngine off </IfModule> <Directory /var/www/vhosts/domain.com/subdomains/tk/httpdocs> <IfModule mod_php4.c> php_admin_flag engine on php_admin_flag safe_mode off php_admin_value open_basedir "/var/www/vhosts/domain.com/subdomains/tk/httpdocs:/tmp" </IfModule> <IfModule mod_php5.c> php_admin_flag engine on php_admin_flag safe_mode off php_admin_value open_basedir "/var/www/vhosts/mkdesigngroup.com/subdomains/tk/httpdocs:/tmp" </IfModule> Options -Includes -ExecCGI </Directory> Include /var/www/vhosts/domain.com/subdomains/tk/conf/vhost.conf And here's what I've added in vhost.conf (which is included by plesk): DocumentRoot /var/www/vhosts/domain.com/subdomains/dev/httpdocs -grip

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  • Trying to setup virtual hosts on unix PHP on nginx

    - by user1634653
    I have tried to install php5-fpm and Nginx on Ubuntu machine, but I got a problem. When I have only one virtual host on a unix port it is all fine but when I try to add another virtual host Nginx goes to default web page "Welcome to Nginx!" but when I run it on a tcp port example port 9000 it work fine with multisites. It is a fresh install of ubuntu 11.10, Nginx 1.2.3 with php5-fpm installed. It also has extra php installs such as php-apc. I can only give the links to the virtual hosts because I am doing it from a mobile phone. Here are the links for the two virtual hosts I am using: http://ic0nic.co.uk/ic0nic.txt, http://ic0nic.co.uk/sourproxy.txt also I want to use unix port because I find it a whole lot faster. Edit: Here are the nginx configs server { server_name ic0nic.co.uk www.ic0nic.co.uk; root /var/www/ic0nic.co.uk; listen 8080; index index.html index.htm index.php; include conf.d/drop; location / { try_files $uri $uri/ /index.php?q=$uri&$args; } location ~ \.php$ { fastcgi_buffers 8 256k; fastcgi_buffer_size 128k; fastcgi_intercept_errors on; include fastcgi_params; fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name; fastcgi_pass unix:/dev/shm/php-fpm-www.sock; root /var/www/ic0nic.co.uk; } } server { server_name sourproxy.co.uk www.sourproxy.co.uk; root /var/www/sourproxy.co.uk/; listen 8080; index index.html index.htm index.php; include conf.d/drop; location / { try_files $uri $uri/ /index.php?q=$uri&$args; } location ~ \.php$ { fastcgi_buffers 8 256k; fastcgi_buffer_size 128k; fastcgi_intercept_errors on; include fastcgi_params; fastcgi_param SCRIPT_FILENAME /var/www/sourproxy.co.uk$fastcgi_script_name; fastcgi_pass unix:/dev/shm/php-fpm-www.sock; } }

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  • htaccess problem

    - by rohit
    my htaccess file is belkow DirectoryIndex index.php RewriteEngine On RewriteBase / RewriteCond %{REQUEST_URI} ^(.*)//(.*)$ RewriteRule . %1/%2 [R=301,L] RewriteCond %{REQUEST_FILENAME} !-f RewriteCond %{REQUEST_FILENAME} !-d RewriteRule ^.*$ index.php?qa-rewrite=$0&%{QUERY_STRING} [L] RewriteCond %{HTTP_HOST} ^www\.domain\.co\.cc$ [NC] RewriteRule ^(.*)$ http://domain.co.cc/$1 [L,R=301] when i write www.domain.co.cc it's not working while i write just domain.co.cc/ it's working fine please help me out with www stuff . i have added last two lines so that when user write www.domain.co.cc it will redirect to domain.co.cc but still it not working.

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  • Apache httpd permissions

    - by DD.
    I have created a directory /xyz/www With the following permissions: -rw-r--r--. 1 myuser developers I edited my http.conf: DocumentRoot "/xyz/www/" <Directory "/xyz/www/"> Options Indexes FollowSymLinks AllowOverride None Order allow,deny Allow from all </Directory> I get 403 error: You don't have permission to access / on this server. Looking in the logs: (13)Permission denied: Can't open directory for index: /xyz/www/ I've tried recursively adding 777 permissions but still have the same issue.

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