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  • Ubuntu in Virtualbox - web server very slow when using local IP address

    - by Lenny Marnham
    I'm using Ubuntu (Lucid Lynx) to learn Ruby On Rails. I'm running Ubuntu in VirtualBox (the host is Windows 7 Ultimate), using bridged networking. When I run my Rails app and point the browser at it using localhost:3000, the app responds immediately and my page is rendered in a second or two. However, if I use 10.0.0.5:3000 (where 10.0.0.5 is my IP address reported using ifconfig), the response from my rails app is incredibly slow - maybe 30 seconds or more for the server to respond and render the page. This happens in both Firefox and Chrome. Also, when I hit the Rails app from the host (to test it in IE), I get the same slooooooow response. Any ideas what might be going on? I've tried it with two different routers, and on two different networks (work and home) with the same result. Cheers all.

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  • Mixing both local and nonlocal addresses on three switches

    - by klew
    I have four computers that have nonlocal addresses like 150.X.X.X. Now I also get another few computers that should be only accessible through a gateway (it will be computing cluster) and they addresses are 10.0.0.X. I also wanted to include those four older computers to this new cluster, but I want them to be accessible from internet on nonlocal addresses (so I would like to set up them on both 150.X.X.X and 10.0.0.X addresses - I've set up it as interface eth0:0 since I have only one NIC). Those new computers have their switch and old computers also have their own switch. Both of them are connected to another (third) switch. The problem is that those old computers see each other (I can ping them), and also new computers see each other, but I can't ping old computer from new computer and vice versa. However pinging on nonlocal adresses works as expected. I looked into switch configuration and didn't find anything useful. I have no idea what I missed here. Can somebody help? All computers have Ubuntu Server 10.04

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  • D-link Local wireless

    - by Filippo
    I created a wireless network inside a D-Link DIR-301 connected to a Mac, What I want is that every device to connect to this network if the browser automatically opens instead of the default homepage, it redirects to my website already set in the localhost of the machine which also has the router attached. I'd also like to see that instead of the IP to connect to the site, there will be a "fake" link. What do you advise me? how can I proceed? I state that I am a bit novice in this field, being more a web programmer.

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  • Google Chrome not using local cache

    - by Steve
    Hi. I've been using Google Chrome as a substitute for Firefox not being able to handle having lots of tabs open at the same time. Unfortunately, it looks like Chrome is having the same problem. Freakin useless. I had to end Chrome as my whole system had slowed to a crawl. When I restarted it, I opted to restore the tabs that were last open. At this stage, every one of the 20+ tabs srated downloading the pages they had previously had open. My question is: why can't they open a locally stored/saved copy of the web page from cache? Does Google Chrome store pages in a cache? Also: after most of the pages had completed their downloading, I clicked on each tab to view the page. Half of them only display a white page, and I have to reload the page manually. What is causing this? Thanks for your help.

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  • How to tunnel local port through proxy server?

    - by Joe Casadonte
    I have a non-proxy-aware program that I need to get working through an HTTP proxy server. The program (MYPROG) running on a machine I can configure at will (MYSRV) connects to a specific server (DESTSRV) on a specific port (DESTPRT). There is an existing HTTP proxy server (PROXYSRV:PROXYPRT) that will allow the traffic through if MYPROG was proxy-aware, but it isn't. Is there a way to listen locally on a specific port and forward the traffic through the proxy server? I can totally configure where MYPROG points to, so I could point it to MYSRV:4545 with the thought that some wonder program will redirect the data to DESTSRV:DESTPRT through PROXYSRV:PROXYPRT. I'm thinking IP Tables or netcat could do the trick if only I could figure them out... Thanks!

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  • Host PC can't see file-system on local VMWare VM

    - by John
    I am running VMWare Workatation 8.0 on a Windows7 host, hosting a Windows7 VM. It's working fine except that the host cannot see the files on the VM when it's running. The VM is running locally on the host, not on the network. I found a page saying I simply need to share the folders on either side and the other can see them, but this isn't working. VMWare Workstation has a handy tool to share folders from the host drive to the VM, but I need the opposite - I have software installed on the host (for licensing reasons) which I need to use to work on files within the VM.

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  • Explorer freeze opening some local folder

    - by esaurito
    Hi all, Often (not always) when I open some folder (most of the times "Downloads" folder) Explorer freeze. The only thing I'm able to do is open the task manager ad kill the application that suddenly restart. I tried to: delete all files in folder (via cmd prompt) delete the folder an create a new folder with the same name This issue is driving me crazy, please help. OS: Windows XP, Laptop: Dell Latitude D620

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  • Resolve local subdomain on apache for paths within user dir

    - by MaoPU
    On Apache 2.2.x I've activated mod_userdir. I used the default setup, so that http://localhost/~name/ will be connect with ~name/public_html/ and a path within public_html, e.g. ~name/public_html/mySite can be reached through http://localhost/~name/mySite. How can I achieve, that the same path can be reached through http://mySite.name.localhost/? I don't want a manual approach like it is suggested in other SF questions (such as http://serverfault.com/q/133921/53624), but rather want an automatic mapping of all available paths to the corresponding URL. I think, several steps will need to be taken: Change mod_userdir configuration, so that the subdomain of localhost will be connected with all available user names on the machine. The second step would maybe include the usage of mod_rewrite, so that the subsubdomain could be matched to the path within ~name/public_html... What would be your prefered way?

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  • Site on IIS 7.5 accessible via SSL on server, but not from local network

    - by bnieland
    I have a site set up on IIS 7.5. I added the following binding... type: https Host Name: [Blank] Port: 443 IP Address: 192.168.1.6 Binding Information: [Blank] I can access the site via https://192.168.1.6 from the server itself. When I try to access the site from another machine (193.168.1.4) on the same sub-net via https://192.168.1.6 I get no response. http://192.168.1.6 returns the site as expected. I have used wireshark to examine the packets on the server, the first of which I have included as an image. There were two other packets, very similar to this. There was no response from the server. Any Ideas?

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  • How can I launch a local application remotely?

    - by yungsters
    I use TextMate on Mac OS X to develop. The files I need to edit are on a Linux machine, and I have the Linux filesystem mounted on my Mac OS X. Opening the files and saving them in TextMate is not a problem. What I want to do (from my Mac OS X) is be able to... SSH <linux> cd <folder> mate <filename> I want that to open up the file in TextMate on my Mac OS X (thus, shifting focus from my Terminal.app to TextMate.app). How can I achieve this effect?

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  • Committed JDO writes do not apply on local GAE HRD, or possibly reused transaction

    - by eeeeaaii
    I'm using JDO 2.3 on app engine. I was using the Master/Slave datastore for local testing and recently switched over to using the HRD datastore for local testing, and parts of my app are breaking (which is to be expected). One part of the app that's breaking is where it sends a lot of writes quickly - that is because of the 1-second limit thing, it's failing with a concurrent modification exception. Okay, so that's also to be expected, so I have the browser retry the writes again later when they fail (maybe not the best hack but I'm just trying to get it working quickly). But a weird thing is happening. Some of the writes which should be succeeding (the ones that DON'T get the concurrent modification exception) are also failing, even though the commit phase completes and the request returns my success code. I can see from the log that the retried requests are working okay, but these other requests that seem to have committed on the first try are, I guess, never "applied." But from what I read about the Apply phase, writing again to that same entity should force the apply... but it doesn't. Code follows. Some things to note: I am attempting to use automatic JDO caching. So this is where JDO uses memcache under the covers. This doesn't actually work unless you wrap everything in a transaction. all the requests are doing is reading a string out of an entity, modifying part of the string, and saving that string back to the entity. If these requests weren't in transactions, you'd of course have the "dirty read" problem. But with transactions, isolation is supposed to be at the level of "serializable" so I don't see what's happening here. the entity being modified is a root entity (not in a group) I have cross-group transactions enabled Another weird thing is happening. If the concurrent modification thing happens, and I subsequently edit more than 5 more entities (this is the max for cross-group transactions), then nothing happens right away, but when I stop and restart the server I get "IllegalArgumentException: operating on too many entity groups in a single transaction". Could it be possible that the PMF is returning the same PersistenceManager every time, or the PM is reusing the same transaction every time? I don't see how I could possibly get the above error otherwise. The code inside the transaction just edits one root entity. I can't think of any other way that GAE would give me the "too many entity groups" error. The relevant code (this is a simplified version) PersistenceManager pm = PMF.getManager(); Transaction tx = pm.currentTransaction(); String responsetext = ""; try { tx.begin(); // I have extra calls to "makePersistent" because I found that relying // on pm.close didn't always write the objects to cache, maybe that // was only a DataNucleus 1.x issue though Key userkey = obtainUserKeyFromCookie(); User u = pm.getObjectById(User.class, userkey); pm.makePersistent(u); // to make sure it gets cached for next time Key mapkey = obtainMapKeyFromQueryString(); // this is NOT a java.util.Map, just FYI Map currentmap = pm.getObjectById(Map.class, mapkey); Text mapData = currentmap.getMapData(); // mapData is JSON stored in the entity Text newMapData = parseModifyAndReturn(mapData); // transform the map currentmap.setMapData(newMapData); // mutate the Map object pm.makePersistent(currentmap); // make sure to persist so there is a cache hit tx.commit(); responsetext = "OK"; } catch (JDOCanRetryException jdoe) { // log jdoe responsetext = "RETRY"; } catch (Exception e) { // log e responsetext = "ERROR"; } finally { if (tx.isActive()) { tx.rollback(); } pm.close(); } resp.getWriter().println(responsetext); EDIT: so I have verified that it fails after exactly 5 transactions. Here's what I do: I create a Foo (root entity), do a bunch of concurrent operations on that Foo, and some fail and get retried, and some commit but don't apply (as described above). Then, I start creating more Foos, and do a few operations on those new Foos. If I only create four Foos, stopping and restarting app engine does NOT give me the IllegalArgumentException. However if I create five Foos (which is the limit for cross-group transactions), then when I stop and restart app engine, I do get the exception. So it seems that somehow these new Foos I am creating are counting toward the limit of 5 max entities per transaction, even though they are supposed to be handled by separate transactions. It's as if a transaction is still open and is being reused by the servlet when it handles the new requests for the 2nd through 5th Foos. EDIT2: it looks like the IllegalArgument thing is independent of the other bug. In other words, it always happens when I create five Foos, even if I don't get the concurrent modification exception. I don't know if it's a symptom of the same problem or if it's unrelated. EDIT3: I found out what was causing the (unrelated) IllegalArgumentException, it was a dumb mistake on my part. But the other issue is still happening. EDIT4: added pseudocode for the datastore access EDIT5: I am pretty sure I know why this is happening, but I will still award the bounty to anyone who can confirm it. Basically, I think the problem is that transactions are not really implemented in the local version of the datastore. References: https://groups.google.com/forum/?fromgroups=#!topic/google-appengine-java/gVMS1dFSpcU https://groups.google.com/forum/?fromgroups=#!topic/google-appengine-java/deGasFdIO-M https://groups.google.com/forum/?hl=en&fromgroups=#!msg/google-appengine-java/4YuNb6TVD6I/gSttMmHYwo0J Because transactions are not implemented, rollback is essentially a no-op. Therefore, I get a dirty read when two transactions try to modify the record at the same time. In other words, A reads the data and B reads the data at the same time. A attempts to modify the data, and B attempts to modify a different part of the data. A writes to the datastore, then B writes, obliterating A's changes. Then B is "rolled back" by app engine, but since rollbacks are a no-op when running on the local datastore, B's changes stay, and A's do not. Meanwhile, since B is the thread that threw the exception, the client retries B, but does not retry A (since A was supposedly the transaction that succeeded).

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  • Loading package html + resources into webview

    - by mobileopen
    I would like to know how I can display a HTML page in webview with references to relative/local images. The goal is to have the html page and all linked images contained in the android application package itself. Where would I need to place the assets (assets directory?) and how do I reference these so they load into the webview? Thanx! Sven

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  • What's the scope of a Python variable declared in an if statement?

    - by froadie
    I'm new to Python, so this is probably a simple scoping question. The following code in a Python file (module) is confusing me slightly: if __name__ == '__main__': x = 1 print x In other languages I've worked in, this code would throw an exception, as the x variable is local to the if statement and should not exist outside of it. But this code executes, and prints 1. Can anyone explain this behavior? Are all variables declared in a module global/available to the entire module?

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  • Unable to get project info and source control from a particular machine

    - by Gerard
    From one particular machine, accounts are unable to get tfs project info and source control via the visual studio tfs client. The connection with the tfs server is made but the project content remains empty. Web access is possible from this machine. Note: from all other machines everything works normally, so it must be a local machine issue. What might be misconfigured on this machine? Otherwise there seem to be no problems on this XP machine.

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  • iphone app to read text files.

    - by bandito40
    Hi, Need to edit some of the local text files on my iphone but so far all the apps I have downloaded do not navigate the OS3 file tree for me to load and edit them. I need to do this on my iphone as I can no longer access via ssh or with the iphone cable. One of the files to edit is a ssh config file which is what is not allowing ssh connections. Any ideas on apps or other methods that I could use. Thanks,

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  • Free java or flash file browser for photogallery

    - by Christian
    Hi. I'm about to develop a small web gallery, where it's supposed to be possible to upload several pictures at a time and then add some info abut the pictures.So I need a free java or flash local file browser that can pass me some info of the pictures that gets uploaded so that I can create some SQL entries for each picture. The platform for the project will be PHP and MySQL. Any good recommendations?

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  • manage messages reported as spam

    - by parm.95
    I want to have an admin page to manage user messages reported as 'spam'. I know how to use MySql and php to have a list of messages reported but I don't know what is the more safe way to access to this page. Local, https,... What strategy use big websites as Facebook, MySpace,... to verify that a message is a true spam and to delete it?

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  • Elasticsearch won't start anymore

    - by Oleander
    I restarted my elasticsearch instance 5 days ago and I haven't manage to start it since then. I get no output in the log file /var/log/elasticsearch/ nor does the elasticsearch binary print any information when running at using elasticsearch -f. I once manage to get this output. [2012-11-15 22:51:18,427][INFO ][node ] [Piper] {0.19.11}[29584]: initializing ... [2012-11-15 22:51:18,433][INFO ][plugins ] [Piper] loaded [], sites [] Running curl http://localhost:9200 resulted in curl: (7) couldn't connect to host. I've tried increasing the memory from 3gb to 10gb, but that didn't make any diffrence. Running /etc/init.d/elasticsearch start takes 30 seconds. ps aux | grep elasticsearch results in this output. /usr/local/share/elasticsearch/bin/service/exec/elasticsearch-linux-x86-64 /usr/local/share/elasticsearch/bin/service/elasticsearch.conf wrapper.syslog.ident=elasticsearch wrapper.pidfile=/usr/local/share/elasticsearch/bin/service/./elasticsearch.pid wrapper.name=elasticsearch wrapper.displayname=ElasticSearch wrapper.daemonize=TRUE wrapper.statusfile=/usr/local/share/elasticsearch/bin/service/./elasticsearch.status wrapper.java.statusfile=/usr/local/share/elasticsearch/bin/service/./elasticsearch.java.status wrapper.script.version=3.5.14 /usr/lib/jvm/java-7-openjdk-amd64/jre/bin/java -Delasticsearch-service -Des.path.home=/usr/local/share/elasticsearch -Xss256k -XX:+UseParNewGC -XX:+UseConcMarkSweepGC -XX:CMSInitiatingOccupancyFraction=75 -XX:+UseCMSInitiatingOccupancyOnly -XX:+HeapDumpOnOutOfMemoryError -Djava.awt.headless=true -Xms1024m -Xmx1024m -Djava.library.path=/usr/local/share/elasticsearch/bin/service/lib -classpath /usr/local/share/elasticsearch/bin/service/lib/wrapper.jar:/usr/local/share/elasticsearch/lib/elasticsearch-0.19.11.jar:/usr/local/share/elasticsearch/lib/elasticsearch-0.19.11.jar:/usr/local/share/elasticsearch/lib/jna-3.3.0.jar:/usr/local/share/elasticsearch/lib/log4j-1.2.17.jar:/usr/local/share/elasticsearch/lib/lucene-analyzers-3.6.1.jar:/usr/local/share/elasticsearch/lib/lucene-core-3.6.1.jar:/usr/local/share/elasticsearch/lib/lucene-highlighter-3.6.1.jar:/usr/local/share/elasticsearch/lib/lucene-memory-3.6.1.jar:/usr/local/share/elasticsearch/lib/lucene-queries-3.6.1.jar:/usr/local/share/elasticsearch/lib/snappy-java-1.0.4.1.jar:/usr/local/share/elasticsearch/lib/sigar/sigar-1.6.4.jar -Dwrapper.key=k7r81VpK3_Bb3N_5 -Dwrapper.port=32000 -Dwrapper.jvm.port.min=31000 -Dwrapper.jvm.port.max=31999 -Dwrapper.disable_console_input=TRUE -Dwrapper.pid=23888 -Dwrapper.version=3.5.14 -Dwrapper.native_library=wrapper -Dwrapper.service=TRUE -Dwrapper.cpu.timeout=10 -Dwrapper.jvmid=1 org.tanukisoftware.wrapper.WrapperSimpleApp org.elasticsearch.bootstrap.ElasticSearchF My current system: ElasticSearch Version: 0.19.11, JVM: 23.2-b09 Ubuntu 12.04 LTS I've tried re-install elasticsearch, removing old directories. Why can't I get it to start?

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  • Problems with jQuery getJSON using local files in Chrome

    - by Tauren
    I have a very simple test page that uses XHR requests with jQuery's $.getJSON and $.ajax methods. The same page works in some situations and not in others. Specificially, it doesn't work in Chrome on Ubuntu. I'm testing on Ubuntu 9.10 with Chrome 5.0.342.7 beta and Mac OSX 10.6.2 with Chrome 5.0.307.9 beta. It works correctly when files are installed on a web server from both Ubuntu/Chrome and Mac/Chrome (try it out here). It works correctly when files are installed on local hard drive in Mac/Chrome (accessed with file:///...). It FAILS when files are installed on local hard drive in Ubuntu/Chrome (access with file:///...). The small set of 3 files can be downloaded in a tar/gzip file from here: http://issues.tauren.com/testjson/testjson.tgz When it works, the Chrome console will say: XHR finished loading: "http://issues.tauren.com/testjson/data.json". index.html:16Using getJSON index.html:21 Object result: "success" __proto__: Object index.html:22success XHR finished loading: "http://issues.tauren.com/testjson/data.json". index.html:29Using ajax with json dataType index.html:34 Object result: "success" __proto__: Object index.html:35success XHR finished loading: "http://issues.tauren.com/testjson/data.json". index.html:46Using ajax with text dataType index.html:51{"result":"success"} index.html:52undefined When it doesn't work, the Chrome console will show this: index.html:16Using getJSON index.html:21null index.html:22Uncaught TypeError: Cannot read property 'result' of null index.html:29Using ajax with json dataType index.html:34null index.html:35Uncaught TypeError: Cannot read property 'result' of null index.html:46Using ajax with text dataType index.html:51 index.html:52undefined Notice that it doesn't even show the XHR requests, although the success handler is run. I swear this was working previously in Ubuntu/Chrome, and am worried something got messed up. I already uninstalled and reinstalled Chrome, but that didn't help. Can someone try it out locally on your Ubuntu system and tell me if you have any troubles? Note that it seems to be working fine in Firefox.

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  • 550 5.7.1 our Bulk Email Senders Guidelines

    - by darkandcold
    Hello, I moved to a new server with integrated merak mail. since I forgot merak(used before), i missed to configure security options. So before I realize the issue, my smtp server was used by spammers for 2 days, hundreds times I configured security settings as what it should be (at least i hope) then i realize, i can't send e-mail to gmail or hotmail. gmail says "550 5.7.1 see our Bulk Email Senders Guidelines" yes, I saw its guidelines. first, I creat SPF records via msn senderID wizard. it completed very well. then as gmail says, I created DKIM dns records. (in Merak mail, there is option to create DKIM, i created it and save it to DNS as TXT record) it's been 2 days after doing the fixes above. but still i can't send mail gmail or hotmail. (P.S, some of my domain in merak is forwarded to my gmail account i mean when a mail arrives to [email protected] it will forward to my gmail. and the surprise it, merak mail can forward them very vell :S but can't still send mail from outlook etc.)

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  • Using the public ssh key from local machine to access two remote users [closed]

    - by Nick
    I have an new Ubuntu (Hardy 8.04) server; it has two users, Alice and Bob. Alice is listed in sudoers. I appended my public ssh key (my local machine's public key local/Users/nick/.ssh/id_rsa.pub) to authorized_keys in remote_server/home/Alice/.ssh/authorized_keys, changed the permissions on Alice/.ssh/ to 700 and Alice/.ssh/authorized_keys to 600, and both the file and folder are owned my Alice. Then added I Alice to sshd_config (AllowUsers Alice). This works and I can login into Alice: ssh -v [email protected] ... debug1: Offering public key: /Users/nick/.ssh/id_rsa debug1: Server accepts key: pkalg ssh-rsa blen 277 debug1: Authentication succeeded (publickey). debug1: channel 0: new [client-session] debug1: Entering interactive session. Last login: Mon Mar 15 09:51:01 2010 from 123.456.789.00 I then copied the authorized_keys file remote_server/home/Alice/.ssh/authorized_keys to remote_server/home/Bob/.shh/authorized_keys and changed the permissions and ownership and added Bob to AllowUsers in sshd_config (AllowUsers Alice Bob). Now when I try to login to Bob it will not authenticate the same public key. ssh -v [email protected] ... debug1: Offering public key: /Users/nick/.ssh/id_rsa debug1: Authentications that can continue: publickey debug1: Trying private key: /Users/nick/.ssh/identity debug1: Trying private key: /Users/nick/.ssh/id_dsa debug1: No more authentication methods to try. Permission denied (publickey). Am I missing something fundamental about the way ssh works?

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  • what is the openid url of facebook ???

    - by zjm1126
    i made my openid in my site like this : livejournal: { name: 'LiveJournal', label: 'Enter your Livejournal username.', url: 'http://{username}.livejournal.com/' }, wordpress: { name: 'Wordpress', label: 'Enter your Wordpress.com username.', url: 'http://{username}.wordpress.com/' }, blogger: { name: 'Blogger', label: 'Your Blogger account', url: 'http://{username}.blogspot.com/' }, and i want add facebook on my openid provide, so what is the url of facebook openid ?? thanks but this can login use facebook: https://www.gigya.com/site/LogIn.aspx you can try it by yourself use facebook login.

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