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• Why are there so many man-made edge cases in IT, and is there any hope for simplification / unificat

  - by Hamish Grubijan

  This question is meant to generate discussion and so it is marked as community wiki. My observation is that the field of information technology grows so rapidly and randomly, that for many it takes a lot of time to learn many intricacies of some tools that will be obsolete in just short 3 years. If you look at the questions asked on StackOverflow ... at least half of them stem from the fact that some language / tool / API / protocol was poorly designed, is backwards and has gotchas. There are so many things which distract developers from converting English into machine code; instead they spend their time configuring stuff and gluing together things that do not really fit. How many times do you pick up somebody else's project (or someone picks up yours :) ) and realize that this program does not need half of the dialogs that it has, and that the logic can be simplified a great deal? But, it had to be made and sold here before a better thing is made and sold elsewhere, and hence all this rush. I often wish that things would just slow down. I do not want Microsoft Windows to run on my car's computer, my watch, my table, my toaster oven, and my toilet seat. I'd rather have Windows that DOES NOT HAVE WINDOWS REGISTRY, I'd rather have Windows that allows two different programs to work on the same file at the same time, the way it works on Unix systems. Microsoft is just an example. I am looking forward to the day when I do not have to worry about Windows vs Unix new line break, when System32 actually means that this directory contains 32-bit binaries, and not 64-bit ones, the day when dll hell and manifest hell are no longer an issue, the day when it takes me a lot less than 3 months on a new job to learn the system. I do not mean learning the entire code base of a product (depending on the size of it, it can take a long time). I mean - remembering which build-assisting scripts are written in Perl and which version of it, and which ones are done through .bat files, when do I need to manually make every file in some directory writable before running a script, or else a critical step of a database maintenance home-grown tool will bomb, and it will take 2 days to clean that up. Makes me wonder if humans enslaved computers, or if it is the other way around. The key is that improving those things will not bring extra revenue, and hence those taking the time to fix crap like that are not "business focused". However, these imperfections irritate me immensely, particularly because my memory is limited - I can hold only a small portion of that useless knowledge of a system in my head at any given point in time. I must not be alone. Did you also happen to notice that a programmer can waste a lot of time on things that should have been a lot more straight-forward? Is there hope? Will things get better/simpler in the future, or will there be a lot more IT crap floating around? I suppose I see diversity of tools, protocols, etc. as a bad thing. Thank you for participation.

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• Optimizing Python code with many attribute and dictionary lookups

  - by gotgenes

  I have written a program in Python which spends a large amount of time looking up attributes of objects and values from dictionary keys. I would like to know if there's any way I can optimize these lookup times, potentially with a C extension, to reduce the time of execution, or if I need to simply re-implement the program in a compiled language. The program implements some algorithms using a graph. It runs prohibitively slowly on our data sets, so I profiled the code with cProfile using a reduced data set that could actually complete. The vast majority of the time is being burned in one function, and specifically in two statements, generator expressions, within the function: The generator expression at line 202 is neighbors_in_selected_nodes = (neighbor for neighbor in node_neighbors if neighbor in selected_nodes) and the generator expression at line 204 is neighbor_z_scores = (interaction_graph.node[neighbor]['weight'] for neighbor in neighbors_in_selected_nodes) The source code for this function of context provided below. selected_nodes is a set of nodes in the interaction_graph, which is a NetworkX Graph instance. node_neighbors is an iterator from Graph.neighbors_iter(). Graph itself uses dictionaries for storing nodes and edges. Its Graph.node attribute is a dictionary which stores nodes and their attributes (e.g., 'weight') in dictionaries belonging to each node. Each of these lookups should be amortized constant time (i.e., O(1)), however, I am still paying a large penalty for the lookups. Is there some way which I can speed up these lookups (e.g., by writing parts of this as a C extension), or do I need to move the program to a compiled language? Below is the full source code for the function that provides the context; the vast majority of execution time is spent within this function. def calculate_node_z_prime( node, interaction_graph, selected_nodes ): """Calculates a z'-score for a given node. The z'-score is based on the z-scores (weights) of the neighbors of the given node, and proportional to the z-score (weight) of the given node. Specifically, we find the maximum z-score of all neighbors of the given node that are also members of the given set of selected nodes, multiply this z-score by the z-score of the given node, and return this value as the z'-score for the given node. If the given node has no neighbors in the interaction graph, the z'-score is defined as zero. Returns the z'-score as zero or a positive floating point value. :Parameters: - `node`: the node for which to compute the z-prime score - `interaction_graph`: graph containing the gene-gene or gene product-gene product interactions - `selected_nodes`: a `set` of nodes fitting some criterion of interest (e.g., annotated with a term of interest) """ node_neighbors = interaction_graph.neighbors_iter(node) neighbors_in_selected_nodes = (neighbor for neighbor in node_neighbors if neighbor in selected_nodes) neighbor_z_scores = (interaction_graph.node[neighbor]['weight'] for neighbor in neighbors_in_selected_nodes) try: max_z_score = max(neighbor_z_scores) # max() throws a ValueError if its argument has no elements; in this # case, we need to set the max_z_score to zero except ValueError, e: # Check to make certain max() raised this error if 'max()' in e.args[0]: max_z_score = 0 else: raise e z_prime = interaction_graph.node[node]['weight'] * max_z_score return z_prime Here are the top couple of calls according to cProfiler, sorted by time. ncalls tottime percall cumtime percall filename:lineno(function) 156067701 352.313 0.000 642.072 0.000 bpln_contextual.py:204(<genexpr>) 156067701 289.759 0.000 289.759 0.000 bpln_contextual.py:202(<genexpr>) 13963893 174.047 0.000 816.119 0.000 {max} 13963885 69.804 0.000 936.754 0.000 bpln_contextual.py:171(calculate_node_z_prime) 7116883 61.982 0.000 61.982 0.000 {method 'update' of 'set' objects}

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• Suggestions on how to map from Domain (ORM) objects to Data Transfer Objects (DTO)

  - by FryHard

  The current system that I am working on makes use of Castle Activerecord to provide ORM (Object Relational Mapping) between the Domain objects and the database. This is all well and good and at most times actually works well! The problem comes about with Castle Activerecords support for asynchronous execution, well, more specifically the SessionScope that manages the session that objects belong to. Long story short, bad stuff happens! We are therefore looking for a way to easily convert (think automagically) from the Domain objects (who know that a DB exists and care) to the DTO object (who know nothing about the DB and care not for sessions, mapping attributes or all thing ORM). Does anyone have suggestions on doing this. For the start I am looking for a basic One to One mapping of object. Domain object Person will be mapped to say PersonDTO. I do not want to do this manually since it is a waste. Obviously reflection comes to mind, but I am hoping with some of the better IT knowledge floating around this site that "cooler" will be suggested. Oh, I am working in C#, the ORM objects as said before a mapped with Castle ActiveRecord. Example code: By @ajmastrean's request I have linked to an example that I have (badly) mocked together. The example has a capture form, capture form controller, domain objects, activerecord repository and an async helper. It is slightly big (3MB) because I included the ActiveRecored dll's needed to get it running. You will need to create a database called ActiveRecordAsync on your local machine or just change the .config file. Basic details of example: The Capture Form The capture form has a reference to the contoller private CompanyCaptureController MyController { get; set; } On initialise of the form it calls MyController.Load() private void InitForm () { MyController = new CompanyCaptureController(this); MyController.Load(); } This will return back to a method called LoadComplete() public void LoadCompleted (Company loadCompany) { _context.Post(delegate { CurrentItem = loadCompany; bindingSource.DataSource = CurrentItem; bindingSource.ResetCurrentItem(); //TOTO: This line will thow the exception since the session scope used to fetch loadCompany is now gone. grdEmployees.DataSource = loadCompany.Employees; }, null); } } this is where the "bad stuff" occurs, since we are using the child list of Company that is set as Lazy load. The Controller The controller has a Load method that was called from the form, it then calls the Asyc helper to asynchronously call the LoadCompany method and then return to the Capture form's LoadComplete method. public void Load () { new AsyncListLoad<Company>().BeginLoad(LoadCompany, Form.LoadCompleted); } The LoadCompany() method simply makes use of the Repository to find a know company. public Company LoadCompany() { return ActiveRecordRepository<Company>.Find(Setup.company.Identifier); } The rest of the example is rather generic, it has two domain classes which inherit from a base class, a setup file to instert some data and the repository to provide the ActiveRecordMediator abilities.

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• How can I modify my Shunting-Yard Algorithm so it accepts unary operators?

  - by KingNestor

  I've been working on implementing the Shunting-Yard Algorithm in JavaScript for class. Here is my work so far: var userInput = prompt("Enter in a mathematical expression:"); var postFix = InfixToPostfix(userInput); var result = EvaluateExpression(postFix); document.write("Infix: " + userInput + "<br/>"); document.write("Postfix (RPN): " + postFix + "<br/>"); document.write("Result: " + result + "<br/>"); function EvaluateExpression(expression) { var tokens = expression.split(/([0-9]+|[*+-\/()])/); var evalStack = []; while (tokens.length != 0) { var currentToken = tokens.shift(); if (isNumber(currentToken)) { evalStack.push(currentToken); } else if (isOperator(currentToken)) { var operand1 = evalStack.pop(); var operand2 = evalStack.pop(); var result = PerformOperation(parseInt(operand1), parseInt(operand2), currentToken); evalStack.push(result); } } return evalStack.pop(); } function PerformOperation(operand1, operand2, operator) { switch(operator) { case '+': return operand1 + operand2; case '-': return operand1 - operand2; case '*': return operand1 * operand2; case '/': return operand1 / operand2; default: return; } } function InfixToPostfix(expression) { var tokens = expression.split(/([0-9]+|[*+-\/()])/); var outputQueue = []; var operatorStack = []; while (tokens.length != 0) { var currentToken = tokens.shift(); if (isNumber(currentToken)) { outputQueue.push(currentToken); } else if (isOperator(currentToken)) { while ((getAssociativity(currentToken) == 'left' && getPrecedence(currentToken) <= getPrecedence(operatorStack[operatorStack.length-1])) || (getAssociativity(currentToken) == 'right' && getPrecedence(currentToken) < getPrecedence(operatorStack[operatorStack.length-1]))) { outputQueue.push(operatorStack.pop()) } operatorStack.push(currentToken); } else if (currentToken == '(') { operatorStack.push(currentToken); } else if (currentToken == ')') { while (operatorStack[operatorStack.length-1] != '(') { if (operatorStack.length == 0) throw("Parenthesis balancing error! Shame on you!"); outputQueue.push(operatorStack.pop()); } operatorStack.pop(); } } while (operatorStack.length != 0) { if (!operatorStack[operatorStack.length-1].match(/([()])/)) outputQueue.push(operatorStack.pop()); else throw("Parenthesis balancing error! Shame on you!"); } return outputQueue.join(" "); } function isOperator(token) { if (!token.match(/([*+-\/])/)) return false; else return true; } function isNumber(token) { if (!token.match(/([0-9]+)/)) return false; else return true; } function getPrecedence(token) { switch (token) { case '^': return 9; case '*': case '/': case '%': return 8; case '+': case '-': return 6; default: return -1; } } function getAssociativity(token) { switch(token) { case '+': case '-': case '*': case '/': return 'left'; case '^': return 'right'; } } It works fine so far. If I give it: ((5+3) * 8) It will output: Infix: ((5+3) * 8) Postfix (RPN): 5 3 + 8 * Result: 64 However, I'm struggling with implementing the unary operators so I could do something like: ((-5+3) * 8) What would be the best way to implement unary operators (negation, etc)? Also, does anyone have any suggestions for handling floating point numbers as well? One last thing, if anyone sees me doing anything weird in JavaScript let me know. This is my first JavaScript program and I'm not used to it yet.

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• Keeping video viewing statistics breakdown by video time in a database

  - by Septagram

  I need to keep a number of statistics about the videos being watched, and one of them is what parts of the video are being watched most. The design I came up with is to split the video into 256 intervals and keep the floating-point number of views for each of them. I receive the data as a number of intervals the user watched continuously. The problem is how to store them. There are two solutions I see. Row per every video segment Let's have a database table like this: CREATE TABLE `video_heatmap` ( `id` int(11) NOT NULL AUTO_INCREMENT, `video_id` int(11) NOT NULL, `position` tinyint(3) unsigned NOT NULL, `views` float NOT NULL, PRIMARY KEY (`id`), UNIQUE KEY `idx_lookup` (`video_id`,`position`) ) ENGINE=MyISAM Then, whenever we have to process a number of views, make sure there are the respective database rows and add appropriate values to the views column. I found out it's a lot faster if the existence of rows is taken care of first (SELECT COUNT(*) of rows for a given video and INSERT IGNORE if they are lacking), and then a number of update queries is used like this: UPDATE video_heatmap SET views = views + ? WHERE video_id = ? AND position >= ? AND position < ? This seems, however, a little bloated. The other solution I came up with is Row per video, update in transactions A table will look (sort of) like this: CREATE TABLE video ( id INT NOT NULL AUTO_INCREMENT, heatmap BINARY (4 * 256) NOT NULL, ... ) ENGINE=InnoDB Then, upon every time a view needs to be stored, it will be done in a transaction with consistent snapshot, in a sequence like this: If the video doesn't exist in the database, it is created. A row is retrieved, heatmap, an array of floats stored in the binary form, is converted into a form more friendly for processing (in PHP). Values in the array are increased appropriately and the array is converted back. Row is changed via UPDATE query. So far the advantages can be summed up like this: First approach Stores data as floats, not as some magical binary array. Doesn't require transaction support, so doesn't require InnoDB, and we're using MyISAM for everything at the moment, so there won't be any need to mix storage engines. (only applies in my specific situation) Doesn't require a transaction WITH CONSISTENT SNAPSHOT. I don't know what are the performance penalties of those. I already implemented it and it works. (only applies in my specific situation) Second approach Is using a lot less storage space (the first approach is storing video ID 256 times and stores position for every segment of the video, not to mention primary key). Should scale better, because of InnoDB's per-row locking as opposed to MyISAM's table locking. Might generally work faster because there are a lot less requests being made. Easier to implement in code (although the other one is already implemented). So, what should I do? If it wasn't for the rest of our system using MyISAM consistently, I'd go with the second approach, but currently I'm leaning to the first one. But maybe there are some reasons to favour one approach or another?

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• Nginx unknown limit_req_zone

  - by Kayle

  Nginx currently will not start due to the error mentioned in the title. Here's the actual error I'm getting: $ sudo /etc/init.d/nginx restart Restarting nginx: nginx: [emerg] unknown limit_req_zone "one" in /etc/nginx/sites-enabled/www.myhashimotosthyroiditis.com:15 nginx: configuration file /etc/nginx/nginx.conf test failed And this is immediately following creating the VM in question (www.myhashimotosthyroiditis.com), using a template I found here that was supposedly the "out-of-the-box-for-lazy-people" templates. I'm very new to Nginx and I could not find any helpful information via google or searching here, so I beg my pardon if this is a product of stupidity. Here is the entirety of the VM file: server { listen 80; server_name myhashimotosthyroiditis.com www.myhashimotosthyroiditis.com; root /var/www/myhashimotosthyroiditis; access_log /var/log/nginx/myhashimotosthyroiditis.access.log; error_log /var/log/nginx/myhashimotosthyroiditis.error.log; location / { try_files $uri $uri/ /index.php; } location /search { limit_req zone=one burst=3 nodelay; rewrite ^ /index.php; } fastcgi_intercept_errors off; location ~* \.(?:ico|css|js|gif|jpe?g|png)$ { expires max; add_header Pragma public; add_header Cache-Control "public, must-revalidate, proxy-revalidate"; } include php.conf; # You may want to remove the robots line from drop to use a virtual robots.txt # or create a drop_wp.conf tailored to the needs of the wordpress configuration include drop.conf; }

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• Sticky connection and HTTPS support for HAProxy

  - by Saif

  Hi Mates, We have 2 HTTP Load balancer with HAproxy and heartbeat. There are 4 apache nodes in this cluster. It's doing round robin load balancing. The HTTP cluster working fine. We are having problem with our portal because it uses SSO. We need sticky connection support in our HAproxy. Also we need load balancing for HTTPS traffic. Here's our HAproxy conf file. global # to have these messages end up in /var/log/haproxy.log you will # need to: # # 1) configure syslog to accept network log events. This is done # by adding the '-r' option to the SYSLOGD_OPTIONS in # /etc/sysconfig/syslog # # 2) configure local2 events to go to the /var/log/haproxy.log # file. A line like the following can be added to # /etc/sysconfig/syslog # # local2.* /var/log/haproxy.log # log 127.0.0.1 local0 log 127.0.0.1 local1 notice chroot /var/lib/haproxy pidfile /var/run/haproxy.pid maxconn 4000 user haproxy group haproxy daemon # turn on stats unix socket stats socket /var/lib/haproxy/stats #--------------------------------------------------------------------- # common defaults that all the 'listen' and 'backend' sections will # use if not designated in their block #--------------------------------------------------------------------- defaults mode http log global option httplog option dontlognull option http-server-close option forwardfor except 127.0.0.0/8 option redispatch retries 3 timeout http-request 10s timeout queue 1m timeout connect 10s timeout client 1m timeout server 1m timeout http-keep-alive 10s timeout check 10s maxconn 3000 #--------------------------------------------------------------------- # main frontend which proxys to the backends #--------------------------------------------------------------------- frontend main *:5000 acl url_static path_beg -i /static /images /javascript /stylesheets acl url_static path_end -i .jpg .gif .png .css .js use_backend static if url_static default_backend app #--------------------------------------------------------------------- # static backend for serving up images, stylesheets and such #--------------------------------------------------------------------- backend static balance roundrobin server static 127.0.0.1:4331 check #--------------------------------------------------------------------- # round robin balancing between the various backends #--------------------------------------------------------------------- backend app listen ha-http 10.190.1.28:80 mode http stats enable stats auth admin:xxxxxx balance roundrobin cookie JSESSIONID prefix option httpclose option forwardfor option httpchk HEAD /haproxy.txt HTTP/1.0 server apache1 portal-04:80 cookie A check server apache2 im-01:80 cookie B check server apache3 im-02:80 cookie B check server apache4 im-03:80 cookie B check Please advice. Thanks for your help in advance.

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• flask, lighttpd with fastcgi can't get it to work

  - by kurojishi

  i'm tring to deploy a simple flask script to a lighttpd server with fastcgi. this is the configuration file for lighttpd builded using the flask documentation http://flask.pocoo.org/docs/deploying/fastcgi/#configuring-lighttpd server.modules = ( "mod_access", "mod_alias", "mod_compress", "mod_redirect", "mod_rewrite", "mod_fastcgi", ) server.document-root = "/var/www" server.upload-dirs = ( "/var/cache/lighttpd/uploads" ) server.errorlog = "/var/log/lighttpd/error.log" server.pid-file = "/var/run/lighttpd.pid" server.username = "www-data" server.groupname = "www-data" index-file.names = ( "index.php", "index.html", "index.htm", "default.htm", " index.lighttpd.html" ) url.access-deny = ( "~", ".inc" ) static-file.exclude-extensions = ( ".php", ".pl", ".fcgi" ) var.home_dir = "/var/lib/lighttpd" var.socket_dir = home_dir + "sockets/" ## Use ipv6 if available #include_shell "/usr/share/lighttpd/use-ipv6.pl" dir-listing.encoding = "utf-8" server.dir-listing = "enable" compress.cache-dir = "/var/cache/lighttpd/compress/" compress.filetype = ( "application/x-javascript", "text/css", "text/html", "text/plain" ) include_shell "/usr/share/lighttpd/create-mime.assign.pl" include_shell "/usr/share/lighttpd/include-conf-enabled.pl" fastcgi.server = ("weibo/callback.fcgi" => (( "socket" => "/tmp/weibocrawler-fcgi.sock", "bin-path" => "/var/www/weibo/callback.fcgi", "check-local" => "disable", "max-procs" => 1 )) ) url.rewrite-once = ( "^(/weibo($|/.*))$" => "$1", "^(/.*)$" => "weibo/callback.fcgi$1" and this is the script i'm tring to run: #!/home/nrl/kuro/weiboenv/bin/python from flup.server.fcgi import WSGIServer from callback import app if __name__ == '__main__': WSGIServer(application, bindAddress='/tmp/weibocrawler-fcgi.sock').run() but i have this error testing the configuration file i get this error: 2013-07-02 17:15:42: (configfile.c.912) source: lighttpd.conf.new line: 52 pos: 1 parser failed somehow near here: weibo/callback.fcgi$1 when i remove the urlrewrite i get these errors in the log even if the daemon start: 2013-07-02 16:25:53: (log.c.166) server started 2013-07-02 16:25:53: (mod_fastcgi.c.1104) the fastcgi-backend fcgi.py failed to start: 2013-07-02 16:25:53: (mod_fastcgi.c.1108) child exited with status 2 fcgi.py 2013-07-02 16:25:53: (mod_fastcgi.c.1111) If you're trying to run your app as a FastCGI backend, make sure you're using the FastCGI-enabled version. If this is PHP on Gentoo, add 'fastcgi' to the USE flags. 2013-07-02 16:25:53: (mod_fastcgi.c.1399) [ERROR]: spawning fcgi failed. 2013-07-02 16:25:53: (server.c.938) Configuration of plugins failed. Going down.

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• Memcached session manager in Azure: Connection gets forcibly closed

  - by Edgar Pérez

  I am using Memcached Session Manager to handle Tomcat sessions in non-sticky mode. My deployment in Azure consists of a Worker Role with two instances which connect to an Azure VM running my Memcached server. Everything works pretty well, my session is persisted and retrieved by any of the two instances transparently. The problem arises when the session is idle for about 4 minutes; everything points out that the Azure Loadbalancer is closing the spymemcached connection to the VM after some period of inactivity. My MSM configuration is this: <Manager className="de.javakaffee.web.msm.MemcachedBackupSessionManager" memcachedNodes="n1:my-azure-vm.cloudapp.net:11211" sticky="false" sessionBackupAsync="false" sessionBackupTimeout="10000" lockingMode="uriPattern:/path1|/path2" requestUriIgnorePattern=".*\.(ico|png|gif|jpg|css|js|ttf|eot|svg|woff)$" transcoderFactoryClass="de.javakaffee.web.msm.serializer.kryo.KryoTranscoderFactory" customConverter="de.javakaffee.web.msm.serializer.kryo.HibernateCollectionsSerializerFactory"/> The stacktrace printed by the spymemcached client is this: INFO net.spy.memcached.MemcachedConnection: Reconnecting due to exception on {QA sa=/10.194.132.206:13000, #Rops=1, #Wops=0, #iq=0, topRop=net.spy.memcached.protocol.binary.StoreOperationImpl@1d95da8, topWop=null, toWrite=0, interested=1} java.io.IOException: An existing connection was forcibly closed by the remote host at sun.nio.ch.SocketDispatcher.read0(Native Method) at sun.nio.ch.SocketDispatcher.read(Unknown Source) at sun.nio.ch.IOUtil.readIntoNativeBuffer(Unknown Source) at sun.nio.ch.IOUtil.read(Unknown Source) at sun.nio.ch.SocketChannelImpl.read(Unknown Source) at net.spy.memcached.MemcachedConnection.handleReads (MemcachedConnection.java:303) at net.spy.memcached.MemcachedConnection.handleIO (MemcachedConnection.java:264) at net.spy.memcached.MemcachedConnection.handleIO (MemcachedConnection.java:184) at net.spy.memcached.MemcachedClient.run(MemcachedClient.java:1298) Given this idle time limitation in Azure, is there any other way to make MSM work in the azure cloud?

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• nginx with stub_status.. need help with nginx.conf

  - by Amar

  Hello I am trying to setup nginx with stub status so I can monitor nginx requests etc.. with serverdensity.com. I needed to put something like this in nginx.conf server { listen 82.113.147.xxx; location /nginx_status { stub_status on; access_log off; allow 82.113.147.xxx; deny all; } } And with this monitoring acctualy works. However It seems I lost "include" part in my nginx.conf and now none of vhosts in sites-enabled work. Here is a bit more of my nginx.conf http { include /etc/nginx/mime.types; default_type application/octet-stream; server_tokens off; access_log /var/log/nginx/access.log; sendfile on; #tcp_nopush on; #keepalive_timeout 0; keepalive_timeout 65; tcp_nodelay on; gzip on; gzip_comp_level 2; gzip_proxied any; gzip_types text/plain text/css application/x-javascript text/xml application/xml application/xml+rss text/javascript; include /etc/nginx/conf.d/*.conf; include /etc/nginx/sites-enabled/*; server { listen 82.113.147.226; location /nginx_status { stub_status on; access_log off; allow 82.113.147.226; deny all; } } } Hope someone can help me with this , as I belive its minor issue, its just that "I dont see it" ty

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• Need help in setting lighttpd on Ubuntu 9.10

  - by hap497

  Hi, I am trying to run lighttpd on Ubuntu 9.10. I get the conf file from the doc directory of lighttpd source. $ sudo ./lighttpd -f lighttpd.conf $ ps -ef | grep lighttpd root 2094 1 0 19:40 ? 00:00:00 ./lighttpd -f lighttpd.conf This is my lighttpd.conf: $ more lighttpd.conf # lighttpd configuration file # # use it as a base for lighttpd 1.0.0 and above # # $Id: lighttpd.conf,v 1.7 2004/11/03 22:26:05 weigon Exp $ ############ Options you really have to take care of #################### ## modules to load # at least mod_access and mod_accesslog should be loaded # all other module should only be loaded if really neccesary # - saves some time # - saves memory server.modules = ( # "mod_rewrite", # "mod_redirect", # "mod_alias", "mod_access", # "mod_trigger_b4_dl", # "mod_auth", # "mod_status", # "mod_setenv", # "mod_fastcgi", # "mod_proxy", # "mod_simple_vhost", # "mod_evhost", # "mod_userdir", # "mod_cgi", # "mod_compress", # "mod_ssi", # "mod_usertrack", # "mod_expire", # "mod_secdownload", # "mod_rrdtool", "mod_accesslog" ) ## A static document-root. For virtual hosting take a look at the ## mod_simple_vhost module. server.document-root = "/srv/www/htdocs/" ## where to send error-messages to server.errorlog = "/var/log/lighttpd/error.log" # files to check for if .../ is requested index-file.names = ( "index.php", "index.html", "index.htm", "default.htm" ) ## set the event-handler (read the performance section in the manual) # server.event-handler = "freebsd-kqueue" # needed on OS X # mimetype mapping mimetype.assign = ( ".pdf" => "application/pdf", ".sig" => "application/pgp-signature", ".spl" => "application/futuresplash", ".class" => "application/octet-stream", ".ps" => "application/postscript", ".torrent" => "application/x-bittorrent", ".dvi" => "application/x-dvi", ".gz" => "application/x-gzip", ".pac" => "application/x-ns-proxy-autoconfig", ".swf" => "application/x-shockwave-flash", ".tar.gz" => "application/x-tgz", ".tgz" => "application/x-tgz", ".tar" => "application/x-tar", ".zip" => "application/zip", ".mp3" => "audio/mpeg", ".m3u" => "audio/x-mpegurl", ".wma" => "audio/x-ms-wma", ".wax" => "audio/x-ms-wax", ".ogg" => "application/ogg", ".wav" => "audio/x-wav", ".gif" => "image/gif", ".jar" => "application/x-java-archive", ".jpg" => "image/jpeg", ".jpeg" => "image/jpeg", ".png" => "image/png", ".xbm" => "image/x-xbitmap", ".xpm" => "image/x-xpixmap", ".xwd" => "image/x-xwindowdump", ".css" => "text/css", ".html" => "text/html", ".htm" => "text/html", ".js" => "text/javascript", ".asc" => "text/plain", ".c" => "text/plain", ".cpp" => "text/plain", ".log" => "text/plain", ".conf" => "text/plain", ".text" => "text/plain", ".txt" => "text/plain", ".dtd" => "text/xml", ".xml" => "text/xml", ".mpeg" => "video/mpeg", ".mpg" => "video/mpeg", ".mov" => "video/quicktime", ".qt" => "video/quicktime", ".avi" => "video/x-msvideo", ".asf" => "video/x-ms-asf", ".asx" => "video/x-ms-asf", ".wmv" => "video/x-ms-wmv", ".bz2" => "application/x-bzip", ".tbz" => "application/x-bzip-compressed-tar", ".tar.bz2" => "application/x-bzip-compressed-tar", # default mime type "" => "application/octet-stream", ) # Use the "Content-Type" extended attribute to obtain mime type if possible #mimetype.use-xattr = "enable" ## send a different Server: header ## be nice and keep it at lighttpd # server.tag = "lighttpd" #### accesslog module accesslog.filename = "/var/log/lighttpd/access.log" ## deny access the file-extensions # # ~ is for backupfiles from vi, emacs, joe, ... # .inc is often used for code includes which should in general not be part # of the document-root url.access-deny = ( "~", ".inc" ) $HTTP["url"] =~ "\.pdf$" { server.range-requests = "disable" } ## # which extensions should not be handle via static-file transfer # # .php, .pl, .fcgi are most often handled by mod_fastcgi or mod_cgi static-file.exclude-extensions = ( ".php", ".pl", ".fcgi" ) ######### Options that are good to be but not neccesary to be changed ####### ## bind to port (default: 80) #server.port = 81 ## bind to localhost (default: all interfaces) #server.bind = "127.0.0.1" ## error-handler for status 404 #server.error-handler-404 = "/error-handler.html" #server.error-handler-404 = "/error-handler.php" ## to help the rc.scripts #server.pid-file = "/var/run/lighttpd.pid" ###### virtual hosts ## ## If you want name-based virtual hosting add the next three settings and load ## mod_simple_vhost ## ## document-root = ## virtual-server-root + virtual-server-default-host + virtual-server-docroot ## or ## virtual-server-root + http-host + virtual-server-docroot ## #simple-vhost.server-root = "/srv/www/vhosts/" #simple-vhost.default-host = "www.example.org" #simple-vhost.document-root = "/htdocs/" ## ## Format: <errorfile-prefix><status-code>.html ## -> ..../status-404.html for 'File not found' #server.errorfile-prefix = "/usr/share/lighttpd/errors/status-" #server.errorfile-prefix = "/srv/www/errors/status-" ## virtual directory listings #dir-listing.activate = "enable" ## select encoding for directory listings #dir-listing.encoding = "utf-8" ## enable debugging #debug.log-request-header = "enable" #debug.log-response-header = "enable" #debug.log-request-handling = "enable" #debug.log-file-not-found = "enable" ### only root can use these options # # chroot() to directory (default: no chroot() ) #server.chroot = "/" ## change uid to <uid> (default: don't care) #server.username = "wwwrun" ## change uid to <uid> (default: don't care) #server.groupname = "wwwrun" #### compress module #compress.cache-dir = "/var/cache/lighttpd/compress/" #compress.filetype = ("text/plain", "text/html") #### proxy module ## read proxy.txt for more info #proxy.server = ( ".php" => # ( "localhost" => # ( # "host" => "192.168.0.101", # "port" => 80 # ) # ) # ) #### fastcgi module ## read fastcgi.txt for more info ## for PHP don't forget to set cgi.fix_pathinfo = 1 in the php.ini #fastcgi.server = ( ".php" => # ( "localhost" => # ( # "socket" => "/var/run/lighttpd/php-fastcgi.s ocket", # "bin-path" => "/usr/local/bin/php-cgi" # ) # ) # ) #### CGI module #cgi.assign = ( ".pl" => "/usr/bin/perl", # ".cgi" => "/usr/bin/perl" ) # #### SSL engine #ssl.engine = "enable" #ssl.pemfile = "/etc/ssl/private/lighttpd.pem" #### status module #status.status-url = "/server-status" #status.config-url = "/server-config" #### auth module ## read authentication.txt for more info #auth.backend = "plain" #auth.backend.plain.userfile = "lighttpd.user" #auth.backend.plain.groupfile = "lighttpd.group" #auth.backend.ldap.hostname = "localhost" #auth.backend.ldap.base-dn = "dc=my-domain,dc=com" #auth.backend.ldap.filter = "(uid=$)" #auth.require = ( "/server-status" => # ( # "method" => "digest", # "realm" => "download archiv", # "require" => "user=jan" # ), # "/server-config" => # ( # "method" => "digest", # "realm" => "download archiv", # "require" => "valid-user" # ) # ) #### url handling modules (rewrite, redirect, access) #url.rewrite = ( "^/$" => "/server-status" ) #url.redirect = ( "^/wishlist/(.+)" => "http://www.123.org/$1" ) #### both rewrite/redirect support back reference to regex conditional using %n #$HTTP["host"] =~ "^www\.(.*)" { # url.redirect = ( "^/(.*)" => "http://%1/$1" ) #} # # define a pattern for the host url finding # %% => % sign # %0 => domain name + tld # %1 => tld # %2 => domain name without tld # %3 => subdomain 1 name # %4 => subdomain 2 name # #evhost.path-pattern = "/srv/www/vhosts/%3/htdocs/" #### expire module #expire.url = ( "/buggy/" => "access 2 hours", "/asdhas/" => "ac cess plus 1 seconds 2 minutes") #### ssi #ssi.extension = ( ".shtml" ) #### rrdtool #rrdtool.binary = "/usr/bin/rrdtool" #rrdtool.db-name = "/var/lib/lighttpd/lighttpd.rrd" #### setenv #setenv.add-request-header = ( "TRAV_ENV" => "mysql://user@host/db" ) #setenv.add-response-header = ( "X-Secret-Message" => "42" ) ## for mod_trigger_b4_dl # trigger-before-download.gdbm-filename = "/var/lib/lighttpd/trigger.db" # trigger-before-download.memcache-hosts = ( "127.0.0.1:11211" ) # trigger-before-download.trigger-url = "^/trigger/" # trigger-before-download.download-url = "^/download/" # trigger-before-download.deny-url = "http://127.0.0.1/index.html" # trigger-before-download.trigger-timeout = 10 #### variable usage: ## variable name without "." is auto prefixed by "var." and becomes "var.bar" #bar = 1 #var.mystring = "foo" ## integer add #bar += 1 ## string concat, with integer cast as string, result: "www.foo1.com" #server.name = "www." + mystring + var.bar + ".com" ## array merge #index-file.names = (foo + ".php") + index-file.names #index-file.names += (foo + ".php") #### include #include /etc/lighttpd/lighttpd-inc.conf ## same as above if you run: "lighttpd -f /etc/lighttpd/lighttpd.conf" #include "lighttpd-inc.conf" #### include_shell #include_shell "echo var.a=1" ## the above is same as: #var.a=1 When I go to browser and hit 'http://127.0.0.1', I get link not found. Any idea?

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• Getting AWStats to work in Ubuntu 12.04

  - by koogee

  I'm new to apache and i'm trying to set up AWStats on my ubuntu 12.04 server. I've followed the guide at Ubuntu docs https://help.ubuntu.com/community/AWStats I set it up according to the instructions and awstats is able to generate initial stats from apache log successfully. I placed the links to awstats in the default virtual host file. However when I try to run http://server-ip-address:8080/awstats/awstats.pl, I get: Error: SiteDomain parameter not defined in your config/domain file. You must edit it for using this version of AWStats. Setup ('/etc/awstats/awstats.conf' file, web server or permissions) may be wrong. Check config file, permissions and AWStats documentation (in 'docs' directory). Here is my /etc/apache2/sites-available/default file: <VirtualHost *:8080> ServerAdmin webmaster@localhost DocumentRoot /home/saad/www <Directory /> Options FollowSymLinks AllowOverride None </Directory> <Directory /home/saad/www/> Options Indexes FollowSymLinks MultiViews AllowOverride AuthConfig Order allow,deny allow from all </Directory> ScriptAlias /cgi-bin/ /usr/lib/cgi-bin/ <Directory "/usr/lib/cgi-bin"> AllowOverride None Options +ExecCGI -MultiViews +SymLinksIfOwnerMatch Order allow,deny Allow from all </Directory> Alias /awstatsclasses "/usr/share/awstats/lib/" Alias /awstats-icon "/usr/share/awstats/icon/" Alias /awstatscss "/usr/share/doc/awstats/examples/css" ScriptAlias /awstats/ /usr/lib/cgi-bin/ Options ExecCGI -MultiViews +SymLinksIfOwnerMatch ErrorLog ${APACHE_LOG_DIR}/error.log # Possible values include: debug, info, notice, warn, error, crit, # alert, emerg. LogLevel warn CustomLog ${APACHE_LOG_DIR}/access.log combined Alias /doc/ "/usr/share/doc/" <Directory "/usr/share/doc/"> Options Indexes MultiViews FollowSymLinks AllowOverride None Order deny,allow Deny from all Allow from 127.0.0.0/255.0.0.0 ::1/128 </Directory> </VirtualHost> The only three variables I edited in /etc/awstats/awstats.conf are: LogFile="/var/log/apache2/access.log" SiteDomain="server-name.noip.org" HostAliases="localhost 127.0.0.1 server-name.no-ip.org" The apache server works fine and i'm able to access other pages stored on the server. Any guidance would be welcome.

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• wget mirroring, subdomains and directories and cookies

  - by Jimmu

  Hi all, I have an account on a web page that is now "full" (ie I have used up all my allocated space) and I would like to make a mirror of that site. wget seems like the thing to use. The problem is that I would only like to mirror the sites the lie within this directory http://user.domain.com/room/2324343/transcript/ (and sub-directories). Whilst saving the correct stylesheets, javascripts and css etc which exist in different directories. There as also uploaded files that are linked to within the pages in the transcript directory (on different directories) that I would like to download/mirror (theses are in a variatey of formats .exe, .py, .png, .app (and many more)). There are also images that are on different severs that are on these pages. Also I would like it if the links (which are sometimes relative , sometimes absoulute (but to internal things), sometimes external ) worked correctly so that if they link to things that have been downloaded(mirrored) they work fine (without internet connection), but if they link to things that are external or havent been mirrored they link to the external site. Basically so they work as expected. Another problem is that you have to log in to acess the site. Can wget be used to acomplish this or is there a better way? either way how do I achive this? (I have asked this question at stackoverflow.com/questions/2190115/wget-mirroring-subdomains-and-directories-and-cookies but it was recommended that I try asking it here)

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• nginx+passenger +static websites= problems

  - by Eugene K

  I've got a Rails app that nginx serves through passenger. I'd also like to serve some static content for a different domain name. But when I add another server block to my config, both websites become unavailable returning HTTP 204. What have I done wrong? What can I do to fix it? Here's the http block of my nginx.conf: https://gist.github.com/4243256 Here's what I added : server { listen 80; server_name website2; root /var/www/website2; location / { index index.html; } } It's going to be a Rails app as well at some point in the future (though I'm not really sure about that, maybe I'm going to use a different back-end solution.) Either way, I don't want anything dynamic to eat away the resources just yet. As of now, this website consists of nothing but index.html and stylesheet.css files in the root directory. What should I do? Thank you in advance. Sincerely yours, Eugene.

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• phpBB configuration problem under Nginx

  - by zvikico

  Hi, I have a phpBB site running with Nginx (PHP via FastCGI). It works OK. However, some specific actions like moving or deleting a topic fail. Instead, I'm redirected to the forum index. I think it is a problem with the URLs redirection or rewriting. My rewrite rule looks like this: if (!-e $request_filename) { rewrite ^/(.*)$ /index.php?q=$1 last; break; } Any help would be appreciated. My full configuration file is: server { listen 80; server_name forum.xxxxx.com; access_log /xxxxx/access.log; error_log /xxxxx/error.log; location = / { root /xxxxx/phpBB3/; index index.php; } location / { root /xxxxx/phpBB3/; index index.php index.html; if (!-e $request_filename) { rewrite ^/(.*)$ /index.php?q=$1 last; break; } } error_page 404 /index.php; error_page 403 /index.php; error_page 500 502 503 504 /index.php; # serve static files directly location ~* ^.+\.(jpg|jpeg|gif|css|png|js|ico)$ { access_log off; expires 30d; root /xxxxx/phpBB3/; break; } # hide protected files location ~* \.(engine|inc|info|install|module|profile|po|sh|.*sql|theme|tpl(\.php)?|xtmpl)$|^(code-style\.pl|Entries.*|Repository|Root|Tag|Template)$ { deny all; } location ~ \.php$ { fastcgi_pass 127.0.0.1:8888; fastcgi_index index.php; fastcgi_param SCRIPT_FILENAME /xxxxx/phpBB3/$fastcgi_script_name; fastcgi_param QUERY_STRING $query_string; fastcgi_param REQUEST_METHOD $request_method; fastcgi_param CONTENT_TYPE $content_type; fastcgi_param CONTENT_LENGTH $content_length; fastcgi_param REMOTE_ADDR $remote_addr; fastcgi_param REMOTE_PORT $remote_port; } }

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• IIS 7.0 404 Custom Error Page and web.config

  - by Colin

  I am having trouble with a custom 404 error page. I have a domain running a .NET proj with it's own error handling. I have a web.config running for the domain which contains: <customErrors mode="RemoteOnly"> <error statusCode="500" redirect="/Error"/> <error statusCode="404" redirect="/404"/> </customErrors> On a sub dir of that domain I am ignoring all routes there by doing routes.IgnoreRoute("Assets/{*pathInfo}"); in the .NET proj and I want to put a custom 404 error page on that and any sub dir's of Assets. The sub dir contains static content like images, css, js etc etc. So in the Error Pages section of IIS I put a redirect to an absolute URL. The web.config for that dir looks like the following: <system.webServer> <httpErrors> <remove statusCode="404" subStatusCode="-1" /> <error statusCode="404" prefixLanguageFilePath="" path="http://mydomain.com/404" responseMode="Redirect" /> </httpErrors> </system.webServer> But I navigate to an unknown URL under that dir and yet I still see the default IIS 404 page. I am also seeing an alert in IIS that reads: You have configured detailed error messages to be returned for both local and remote requests. When this option is selected, custom error configuration is not used. Does this have anything to do with the customErrors mode="RemoteOnly" in the site web.config? I have tried to overwrite the customErrors in the sub dir web.config but nothing changes. Any help would be appreciated. Thanks.

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• on debian, lighttpd apache2 using 80 port, lighttpd throws :address already use error

  - by user1960581

  I bought the linode(linode.com) server the other day. I've been trying to run lighttpd and apache2 at the same port, using lighttpd for static files. As linode is only providing ONE ipv4 address, I tried to bind lighttpd on the ipv6 address. That's where I got the same error each and very single time: can't bind to port [ipv6] 80 Address already in use. I tried bind the ipv4 address. Everything worked. Please help me, this is driving me nuts for the last two days. my lighttpd.conf file:(the ipv6 address isn't true) server.modules = ( "mod_access", "mod_alias", "mod_compress", "mod_redirect", # "mod_rewrite", ) server.document-root = "/var/www" server.upload-dirs = ( "/var/cache/lighttpd/uploads" ) server.errorlog = "/var/log/lighttpd/error.log" server.pid-file = "/var/run/lighttpd.pid" server.username = "www-data" server.groupname = "www-data" server.port = 80 server.bind = "2600:3c02::0000" server.use-ipv6 = "enable" #server.pid-file = "/var/run/lighttpd.pid" index-file.names = ( "index.php", "index.html", "index.lighttpd.html" ) url.access-deny = ( "~", ".inc" ) static-file.exclude-extensions = ( ".php", ".pl", ".fcgi" ) compress.cache-dir = "/var/cache/lighttpd/compress/" compress.filetype = ( "application/javascript", "text/css", "text/html", "text/plain" ) # default listening port for IPv6 falls back to the IPv4 port #include_shell "/usr/share/lighttpd/use-ipv6.pl " + server.port include_shell "/usr/share/lighttpd/create-mime.assign.pl" include_shell "/usr/share/lighttpd/include-conf-enabled.pl" ### ipv6 ### $SERVER["socket"] == "[2600:3c02::0000]:80" { # accesslog.filename = "var/log/lighttpd/ipv6/access.log" # server.document-root = "/var/www/" # server.error-handler-404 = "/index.php?error=404" } and the error message: can't bind to port, 2600:3c02::0000 Address already in use.

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• Sticky connection and HTTPS support for HAProxy

  - by Saif

  We have 2 HTTP Load balancer with HAproxy and heartbeat. There are 4 apache nodes in this cluster. It's doing round robin load balancing. The HTTP cluster working fine. We are having problem with our portal because it uses SSO. We need sticky connection support in our HAproxy. Also we need load balancing for HTTPS traffic. Here's our HAproxy conf file. global # to have these messages end up in /var/log/haproxy.log you will # need to: # # 1) configure syslog to accept network log events. This is done # by adding the '-r' option to the SYSLOGD_OPTIONS in # /etc/sysconfig/syslog # # 2) configure local2 events to go to the /var/log/haproxy.log # file. A line like the following can be added to # /etc/sysconfig/syslog # # local2.* /var/log/haproxy.log # log 127.0.0.1 local0 log 127.0.0.1 local1 notice chroot /var/lib/haproxy pidfile /var/run/haproxy.pid maxconn 4000 user haproxy group haproxy daemon # turn on stats unix socket stats socket /var/lib/haproxy/stats #--------------------------------------------------------------------- # common defaults that all the 'listen' and 'backend' sections will # use if not designated in their block #--------------------------------------------------------------------- defaults mode http log global option httplog option dontlognull option http-server-close option forwardfor except 127.0.0.0/8 option redispatch retries 3 timeout http-request 10s timeout queue 1m timeout connect 10s timeout client 1m timeout server 1m timeout http-keep-alive 10s timeout check 10s maxconn 3000 #--------------------------------------------------------------------- # main frontend which proxys to the backends #--------------------------------------------------------------------- frontend main *:5000 acl url_static path_beg -i /static /images /javascript /stylesheets acl url_static path_end -i .jpg .gif .png .css .js use_backend static if url_static default_backend app #--------------------------------------------------------------------- # static backend for serving up images, stylesheets and such #--------------------------------------------------------------------- backend static balance roundrobin server static 127.0.0.1:4331 check #--------------------------------------------------------------------- # round robin balancing between the various backends #--------------------------------------------------------------------- backend app listen ha-http 10.190.1.28:80 mode http stats enable stats auth admin:xxxxxx balance roundrobin cookie JSESSIONID prefix option httpclose option forwardfor option httpchk HEAD /haproxy.txt HTTP/1.0 server apache1 portal-04:80 cookie A check server apache2 im-01:80 cookie B check server apache3 im-02:80 cookie B check server apache4 im-03:80 cookie B check Please advice. Thanks for your help in advance.

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• Making Apache 2.2 on SuSE Linux Case In-Sensitive. Which is a better approach?

  - by pingu

  Problem: http://<server>/home/APPLE.html http://<server>/hoME/APPLE.html http://<server>/HOME/aPPLE.html http://<server>/hoME/aPPLE.html All the above should pick this http://<server>/home/apple.html I implemented 2 solutions and both are working fine. Not sure which one is better(performance). Please Suggest..Also Directive - CheckCaseOnly on never worked Option 1: a)Enable:mod_speling In /etc/sysconfig/apache2 - APACHE_MODULES="rewrite speling apparmor......" b) Add directive - CheckSpelling on (Either in .htaccess or add in httpd.conf) In httpd.conf <Directory srv/www/htdcos/home> Order allow,deny CheckSpelling on Allow from all </Directory> or In .htaccess inside /srv/www/htdcos/home(your content folder) CheckSpelling on Option 2: a) Enable: mod_rewrite b) Write the rule vhost(you can not write RewriteMap in directory. check apache docs ) <VirtualHost _default_:80> <IfModule mod_rewrite.c> Options +FollowSymLinks RewriteEngine on RewriteMap lc int:tolower RewriteCond %{REQUEST_URI} [A-Z] RewriteRule (.*) ${lc:$1} [R=301,L] </IfModule> </VirtualHost> <VirtualHost _default_:80> <IfModule mod_rewrite.c> Options +FollowSymLinks RewriteEngine on RewriteMap lc int:tolower RewriteCond %{REQUEST_URI} [A-Z] RewriteRule (.*) ${lc:$1} [R=301,L] </IfModule> </VirtualHost> This changes the entire request uri into lowercase. I want this to happen for specific folder, but RewriteMap doesn't work in .htaccess. I am novice in regex and Rewrite. I need a RewriteCond which checks only /css//. can any body help

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• WGet or cURL: Mirror Site from http://site.com And No Internal Access

  - by alharaka

  I have tried wget -m wget -r and a whole bunch of variations. I am getting some of the images on http://site.com, one of the scripts, and none of the CSS, even with the fscking -p parameter. The only HTML page is index.html and there are several more referenced, so I am at a loss. curlmirror.pl on the cURL developers website does not seem to get the job done either. Is there something I am missing? I have tried different levels of recursion with only this URL, but I get the feeling I am missing something. Long story short, some school allows its students to submit web projects, but they want to know how they can collect everything for the instructor who will grade it, instead of him going to all the externally hsoted sites. UPDATE: I think I figured out the issue. I though the links to the other pages were in the index.html page that downloaded. I was way off. Turns out the footer of the page, which has all the navigation links, is handled by a JavaScript file Include.js, which reads JLSSiteMap.js and some other JS files to do page navigation and the like. As a result, wget does not pick up an other dependencies because a lot of this crap is handled not on web pages. How can I handle such a website? This is one of several problem cases. I assume little can be done if wget cannot parse JavaScript.

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• htaccess not properly rewriting urls

  - by Cameron Ball

  This is a bit of a weird one. I'm doing some work on a server, and I need rewrite rules for directories that actually exist (in some cases, they are more than one level deep) At the moment my .htaccess looks like this: RewriteEngine on RewriteRule ^simfiles/([-\ a-zA-Z0-9:/]+)$ http://mydomain.com/?portal=simfiles&folder=$1 [L] And this is working OK, for example, a url like: mydomain.com/sifmiles/my-files Will get redirected to mydomain.com/?portal=simfiles&folder=my-files Or in the case of a directory structure that is deeper than one level: mydomain.com/sifmiles/my-files/more-of-my-files Will get redirected to mydomain.com/?portal=simfiles&folder=my-files/more-of-my-files I wrote the regex so that it won't match things with a . in the path, because there are css and js files which reside in simfiles/somedirectory, and if I redirect everything then these cannot be loaded. I tried a configuration like this: RewriteEngine on RewriteCond %{REQUEST_FILENAME} !-f RewriteRule ^simfiles/([-\ a-zA-Z0-9:/\.]+)$ http://mydomain.com/?portal=simfiles&folder=$1 [L] But that doesn't work, things still don't load properly. So my first question is, how can I achieve this "properly"? I don't like my solution because it means redirects won't occur if the folder has a . in its name. My second problem, is that while the redirection is happening properly, the url becomes: http://mydomain.com/?portal=simfiles&folder=my-files I want the URL to remain clean, like: http://mydomain.com/sifmiles/my-files How can I achieve this?

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• Problem configuring Apache/Wordpress on subdomain

  - by friism

  I have two servers (one LAMP, one Windows) and one website with an associated blog. I'm running the main site on the Windows server, and the blog on the LAMP server, using Wordpress. The main site is accessed at http://folketsting.dk (it's in Danish -- sorry), the blog is accessed at http://blog.folketsting.dk (this link is bad, read on). The main site works fine. The blog works, except for the frontpage. Example of working post: http://blog.folketsting.dk/2009/10/09/ftlive/. The frontpage of the blog (http://blog.folketsting.dk) shows html from http://folketsting.dk however (except for the css and javascript). In fact, any other URL than the frontpage "works", and gets served by Wordpress e.g. http://blog.folketsting.dk/foo. I cannot -- for the life of me -- understand how the LAMP server running http://blog.folketsting.dk manages to serve up content generated by the Windows server running http://folketsting.dk. Looking at the response headers at http://blog.folketsting.dk, it's evident that the content originates from Apache, not IIS. I'm pretty sure it's not a DNS-issue, since the problem is evident even when accessing the raw IP, eg. http://130.226.142.141/ vs. http://130.226.142.141/foo. I'm thinking it's a bad config in Apache... any clues?

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• Proxy to either Rails app or Node.js app depending on HTTP path w/ Nginx

  - by Cirrostratus

  On Ubuntu 11, I have Nginx correctly serving either CouchDB or Node.js depending on the path, but am unable to get Nginx to access a Rails app via it's port. server { rewrite ^/api(.*)$ $1 last; listen 80; server_name example.com; location / { proxy_set_header X-Real-IP $remote_addr; proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for; proxy_set_header Host $http_host; proxy_pass http://127.0.0.1:3005/; } location /ruby { proxy_set_header X-Real-IP $remote_addr; proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for; proxy_set_header Host $http_host; proxy_pass http://127.0.0.1:9051/; } location /_utils { proxy_pass http://127.0.0.1:5984; proxy_redirect off; proxy_set_header Host $host; proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for; proxy_buffering off; # buffering would break CouchDB's _changes feed } gzip on; gzip_comp_level 9; gzip_min_length 1400; gzip_types text/plain text/css image/png image/gif image/jpeg application/x-javascript text/xml application/xml application/x ml+rss text/javascript; gzip_vary on; gzip_http_version 1.1; gzip_disable "MSIE [1-6]\.(?!.*SV1)"; } / and /_utils are working bu /ruby gives me a 403 Forbidden

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• Trying to use Nginx try_files to emulate Apache MultiViews

  - by Samuel Bierwagen

  I want a request to http://example.com/foobar to return http://example.com/foobar.jpg. (Or .gif, .html, .whatever) This is trivial to do with Apache MultiViews, and it seems like it would be equally easy in Nginx. This question seems to imply that it'd be easy as try_files $uri $uri/ index.php; in the location block, but that doesn't work. try_files $uri $uri/ =404; doesn't work, nor does try_files $uri =404; or try_files $uri.* =404; Moving it between my location / { block and the regexp which matches images has no effect. Crucially, try_files $uri.jpg =404; does work, but only for .jpg files, and it throws a configuration error if I use more than one try_files rule in a location block! The current server { block: server { listen 80; server_name example.org www.example.org; access_log /var/log/nginx/vhosts.access.log; root /srv/www/vhosts/example; location / { root /srv/www/vhosts/example; } location ~* \.(?:ico|css|js|gif|jpe?g|es|png)$ { expires max; add_header Cache-Control public; try_files $uri =404; } } Nginx version is 1.1.14.

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• How to configure fastcgi to work with ligttpd in ubuntu

  - by michael

  I am able to run lighttpd on ubuntu 9.10. But when i tried to setup fastcgi with lighttpd by putting this in the ligttpd.conf file: #### fastcgi module fastcgi.server = ( "/fastcgi_scripts/" => (( "host" => "127.0.0.1", "port" => "9098", "check-local" => "disable", "bin-path" => "/usr/local/bin/cgi-fcgi", "docroot" => "/" # remote server may use # it's own docroot )) ) This is what I get in the error.log in ligttpd: 2010-03-07 21:00:11: (log.c.166) server started 2010-03-07 21:00:11: (mod_fastcgi.c.1104) the fastcgi-backend /usr/local/bin/cgi-fcgi failed to start: 2010-03-07 21:00:11: (mod_fastcgi.c.1108) child exited with status 1 /usr/local/bin/cgi-fcgi 2010-03-07 21:00:11: (mod_fastcgi.c.1111) If you're trying to run your app as a FastCGI backend, make sure you're using the FastCGI-enabled version. If this is PHP on Gentoo, add 'fastcgi' to the USE flags. 2010-03-07 21:00:11: (mod_fastcgi.c.1399) [ERROR]: spawning fcgi failed. 2010-03-07 21:00:11: (server.c.931) Configuration of plugins failed. Going down. I do have cgi-fcgi in /usr/local/bin: $ which cgi-fcgi /usr/local/bin/cgi-fcgi '/usr/local/bin/cgi-fcgi' is the executable after I download and compile fast-cgi. Here is my lighttpd conf file: $ more lighttpd.conf # lighttpd configuration file # # use it as a base for lighttpd 1.0.0 and above # # $Id: lighttpd.conf,v 1.7 2004/11/03 22:26:05 weigon Exp $ ############ Options you really have to take care of #################### ## modules to load # at least mod_access and mod_accesslog should be loaded # all other module should only be loaded if really neccesary # - saves some time # - saves memory server.modules = ( # "mod_rewrite", # "mod_redirect", # "mod_alias", "mod_access", # "mod_trigger_b4_dl", # "mod_auth", # "mod_status", # "mod_setenv", "mod_fastcgi", # "mod_proxy", # "mod_simple_vhost", # "mod_evhost", # "mod_userdir", # "mod_cgi", # "mod_compress", # "mod_ssi", # "mod_usertrack", # "mod_expire", # "mod_secdownload", # "mod_rrdtool", "mod_accesslog" ) ## A static document-root. For virtual hosting take a look at the ## mod_simple_vhost module. server.document-root = "/srv/www/htdocs/" ## where to send error-messages to server.errorlog = "/var/log/lighttpd/error.log" # files to check for if .../ is requested index-file.names = ( "index.php", "index.html", "index.htm", "default.htm" ) ## set the event-handler (read the performance section in the manual) # server.event-handler = "freebsd-kqueue" # needed on OS X # mimetype mapping mimetype.assign = ( ".pdf" => "application/pdf", ".sig" => "application/pgp-signature", ".spl" => "application/futuresplash", ".class" => "application/octet-stream", ".ps" => "application/postscript", ".torrent" => "application/x-bittorrent", ".dvi" => "application/x-dvi", ".gz" => "application/x-gzip", ".pac" => "application/x-ns-proxy-autoconfig", ".swf" => "application/x-shockwave-flash", ".tar.gz" => "application/x-tgz", ".tgz" => "application/x-tgz", ".tar" => "application/x-tar", ".zip" => "application/zip", ".mp3" => "audio/mpeg", ".m3u" => "audio/x-mpegurl", ".wma" => "audio/x-ms-wma", ".wax" => "audio/x-ms-wax", ".ogg" => "application/ogg", ".wav" => "audio/x-wav", ".gif" => "image/gif", ".jar" => "application/x-java-archive", ".jpg" => "image/jpeg", ".jpeg" => "image/jpeg", ".png" => "image/png", ".xbm" => "image/x-xbitmap", ".xpm" => "image/x-xpixmap", ".xwd" => "image/x-xwindowdump", ".css" => "text/css", ".html" => "text/html", ".htm" => "text/html", ".js" => "text/javascript", ".asc" => "text/plain", ".c" => "text/plain", ".cpp" => "text/plain", ".log" => "text/plain", ".conf" => "text/plain", ".text" => "text/plain", ".txt" => "text/plain", ".dtd" => "text/xml", ".xml" => "text/xml", ".mpeg" => "video/mpeg", ".mpg" => "video/mpeg", ".mov" => "video/quicktime", ".qt" => "video/quicktime", ".avi" => "video/x-msvideo", ".asf" => "video/x-ms-asf", ".asx" => "video/x-ms-asf", ".wmv" => "video/x-ms-wmv", ".bz2" => "application/x-bzip", ".tbz" => "application/x-bzip-compressed-tar", ".tar.bz2" => "application/x-bzip-compressed-tar", # default mime type "" => "application/octet-stream", ) # Use the "Content-Type" extended attribute to obtain mime type if possible #mimetype.use-xattr = "enable" ## send a different Server: header ## be nice and keep it at lighttpd # server.tag = "lighttpd" #### accesslog module accesslog.filename = "/var/log/lighttpd/access.log" ## deny access the file-extensions # # ~ is for backupfiles from vi, emacs, joe, ... # .inc is often used for code includes which should in general not be part # of the document-root url.access-deny = ( "~", ".inc" ) $HTTP["url"] =~ "\.pdf$" { server.range-requests = "disable" } ## # which extensions should not be handle via static-file transfer # # .php, .pl, .fcgi are most often handled by mod_fastcgi or mod_cgi static-file.exclude-extensions = ( ".php", ".pl", ".fcgi" ) ######### Options that are good to be but not neccesary to be changed ####### ## bind to port (default: 80) server.port = 9090 ## bind to localhost (default: all interfaces) server.bind = "127.0.0.1" ## error-handler for status 404 #server.error-handler-404 = "/error-handler.html" #server.error-handler-404 = "/error-handler.php" ## to help the rc.scripts #server.pid-file = "/var/run/lighttpd.pid" ###### virtual hosts ## ## If you want name-based virtual hosting add the next three settings and load ## mod_simple_vhost ## ## document-root = ## virtual-server-root + virtual-server-default-host + virtual-server-docroot ## or ## virtual-server-root + http-host + virtual-server-docroot ## #simple-vhost.server-root = "/srv/www/vhosts/" #simple-vhost.default-host = "www.example.org" #simple-vhost.document-root = "/htdocs/" ## ## Format: <errorfile-prefix><status-code>.html ## -> ..../status-404.html for 'File not found' #server.errorfile-prefix = "/usr/share/lighttpd/errors/status-" #server.errorfile-prefix = "/srv/www/errors/status-" ## virtual directory listings #dir-listing.activate = "enable" ## select encoding for directory listings #dir-listing.encoding = "utf-8" ## enable debugging #debug.log-request-header = "enable" #debug.log-response-header = "enable" #debug.log-request-handling = "enable" #debug.log-file-not-found = "enable" ### only root can use these options # # chroot() to directory (default: no chroot() ) #server.chroot = "/" ## change uid to <uid> (default: don't care) #server.username = "wwwrun" ## change uid to <uid> (default: don't care) #server.groupname = "wwwrun" #### compress module #compress.cache-dir = "/var/cache/lighttpd/compress/" #compress.filetype = ("text/plain", "text/html") #### proxy module ## read proxy.txt for more info #proxy.server = ( ".php" => # ( "localhost" => # ( # "host" => "192.168.0.101", # "port" => 80 # ) # ) # ) #### fastcgi module fastcgi.server = ( "/fastcgi_scripts/" => (( "host" => "127.0.0.1", "port" => 1026, "check-local" => "disable", "bin-path" => "/usr/local/bin/cgi-fcgi", #"docroot" => "/" # remote server may use # it's own docroot )) ) ## read fastcgi.txt for more info ## for PHP don't forget to set cgi.fix_pathinfo = 1 in the php.ini #fastcgi.server = ( ".php" => # ( "localhost" => # ( # "socket" => "/var/run/lighttpd/php-fastcgi.s ocket", # "bin-path" => "/usr/local/bin/php-cgi" # ) # ) # ) #### CGI module #cgi.assign = ( ".pl" => "/usr/bin/perl", # ".cgi" => "/usr/bin/perl" ) # #### SSL engine #ssl.engine = "enable" #ssl.pemfile = "/etc/ssl/private/lighttpd.pem" #### status module #status.status-url = "/server-status" #status.config-url = "/server-config" #### auth module ## read authentication.txt for more info #auth.backend = "plain" #auth.backend.plain.userfile = "lighttpd.user" #auth.backend.plain.groupfile = "lighttpd.group" #auth.backend.ldap.hostname = "localhost" #auth.backend.ldap.base-dn = "dc=my-domain,dc=com" #auth.backend.ldap.filter = "(uid=$)" #auth.require = ( "/server-status" => # ( # "method" => "digest", # "realm" => "download archiv", # "require" => "user=jan" # ), # "/server-config" => # ( # "method" => "digest", # "realm" => "download archiv", # "require" => "valid-user" # ) # ) #### url handling modules (rewrite, redirect, access) #url.rewrite = ( "^/$" => "/server-status" ) #url.redirect = ( "^/wishlist/(.+)" => "http://www.123.org/$1" ) #### both rewrite/redirect support back reference to regex conditional using %n #$HTTP["host"] =~ "^www\.(.*)" { # url.redirect = ( "^/(.*)" => "http://%1/$1" ) #} # # define a pattern for the host url finding # %% => % sign # %0 => domain name + tld # %1 => tld # %2 => domain name without tld # %3 => subdomain 1 name # %4 => subdomain 2 name # #evhost.path-pattern = "/srv/www/vhosts/%3/htdocs/" #### expire module #expire.url = ( "/buggy/" => "access 2 hours", "/asdhas/" => "ac cess plus 1 seconds 2 minutes") #### ssi #ssi.extension = ( ".shtml" ) #### rrdtool #rrdtool.binary = "/usr/bin/rrdtool" #rrdtool.db-name = "/var/lib/lighttpd/lighttpd.rrd" #### setenv #setenv.add-request-header = ( "TRAV_ENV" => "mysql://user@host/db" ) #setenv.add-response-header = ( "X-Secret-Message" => "42" ) ## for mod_trigger_b4_dl # trigger-before-download.gdbm-filename = "/var/lib/lighttpd/trigger.db" # trigger-before-download.memcache-hosts = ( "127.0.0.1:11211" ) # trigger-before-download.trigger-url = "^/trigger/" # trigger-before-download.download-url = "^/download/" # trigger-before-download.deny-url = "http://127.0.0.1/index.html" # trigger-before-download.trigger-timeout = 10 #### variable usage: ## variable name without "." is auto prefixed by "var." and becomes "var.bar" #bar = 1 #var.mystring = "foo" ## integer add #bar += 1 ## string concat, with integer cast as string, result: "www.foo1.com" #server.name = "www." + mystring + var.bar + ".com" ## array merge #index-file.names = (foo + ".php") + index-file.names #index-file.names += (foo + ".php") #### include #include /etc/lighttpd/lighttpd-inc.conf ## same as above if you run: "lighttpd -f /etc/lighttpd/lighttpd.conf" #include "lighttpd-inc.conf" #### include_shell #include_shell "echo var.a=1" ## the above is same as: #var.a=1 Thank you for your help.

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