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  • My Apache access log contains weird GET and POST requests, what can I do?

    - by Konstantin
    My Apache access log contains weird GET and POST requests, is it possible to examine which of these are harmful? For example: 114.232.151.185 - - [11/Jun/2014:20:11:33 +0200] "GET http://hotel.qunar.com/render/hoteldiv.jsp?&__jscallback=XQScript_4 HTTP/1.1" 404 1167 103.30.175.10 - - [12/Jun/2014:08:35:17 +0200] "GET /vtigercrm/ HTTP/1.1" 404 1034 69.174.245.163 - - [14/Jun/2014:01:22:38 +0200] "GET /w00tw00t.at.blackhats.romanian.anti-sec:) HTTP/1.1" 404 1034 69.174.245.163 - - [14/Jun/2014:01:22:38 +0200] "GET /phpMyAdmin/scripts/setup.php HTTP/1.1" 404 1034 94.74.229.110 - - [16/Jun/2014:18:46:43 +0200] "GET http://www.msftncsi.com/ncsi.txt HTTP/1.1" 404 1037 80.73.11.164 - - [20/Jun/2014:01:52:14 +0200] "POST /cgi-bin/php?%2D%64+%61%6C%6C%6F%77%5F%75%72%6C%5F%69%6E%63%6C%75%64%65%3D%6F%6E+%2D%64+%73%61%66%65%5F%6D%6F%64%65%3D%6F%66%66+%2D%64+%73%75%68%6F%73%69%6E%2E%73%69%6D%75%6C%61%74%69%6F%6E%3D%6F%6E+%2D%64+%64%69%73%61%62%6C%65%5F%66%75%6E%63%74%69%6F%6E%73%3D%22%22+%2D%64+%6F%70%65%6E%5F%62%61%73%65%64%69%72%3D%6E%6F%6E%65+%2D%64+%61%75%74%6F%5F%70%72%65%70%65%6E%64%5F%66%69%6C%65%3D%70%68%70%3A%2F%2F%69%6E%70%75%74+%2D%64+%63%67%69%2E%66%6F%72%63%65%5F%72%65%64%69%72%65%63%74%3D%30+%2D%64+%63%67%69%2E%72%65%64%69%72%65%63%74%5F%73%74%61%74%75%73%5F%65%6E%76%3D%30+%2D%6E HTTP/1.1" 404 1034 162.253.66.76 - - [24/Jun/2014:23:54:30 +0200] "GET /rutorrent HTTP/1.1" 400 226 122.226.223.69 - - [25/Jun/2014:01:14:27 +0200] "GET http://todd0738.gotoip4.com//hello.html HTTP/1.1" 404 1041 My Apache access log file: http://pastebin.com/2x0naQBK

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  • If I implement a web-service, how do I respond to POST requests with JSON?

    - by Vova Stajilov
    I have to make a rather complex system for my diploma work. Logically it will consist of the following components: Database Web-service Management with web interface Client iOS application that will consume web-service I decided to implement all the first three components under .NET. Firstly I will create a database depending on the information load - this is clear. But then I need a web-service that will return data in JSON format for iOS clients to consume - that's obvious and not that hard to implement. For this I will use WCF technology. Now I have a question, if I implement the web-service, how will I be able to respond to POST requests with JSON? It probably involves WCF JSON or something related? But I also need some web pages as admin part, so will this web-application be able to consume my centralized web-services as well or I should develop it separately? I just want my web service to act like a set of controllers. There is a related question here but this doesn't quite reflect my question.

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  • Solaris 10 invalid ARP requests from 0.0.0.0?

    - by JWD
    The guys at the data center where I'm hosting a server running Solaris 10 are telling me that my server is making a lot of invalid arp requests. This is an example of a portion of what was sent to me from the logs (with Mac addresses and IP addresses changed). xxxx:xxxx:xxxx/0.0.0.0/0000.0000.0000/[myipaddress]/[Datestamp]) I don't see anything in the arp tables (arp -a) or routing tables (netstat -r) and I don't see anything relating to 0.0.0.0 when snoping the arp requests. The only place I see any reference to 0.0.0.0 is if I do netstat -a for the SCTP SCTP: Local Address Remote Address Swind Send-Q Rwind Recv-Q StrsI/O State ------------------------------- ------------------------------- ------ ------ ------ ------ ------- ----------- 0.0.0.0 0.0.0.0 0 0 102400 0 32/32 CLOSED But not really sure what that means. Doesn't seem like I can disable SCTP. Does anyone have any idea what might be causing this and how to stop it? I think the switch I'm connected to doesn't like it and momentarily drops the connection. Is there anyway to at least block those requests using ipfilter or something else?

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  • Solaris 10 invalid ARP requests from 0.0.0.0? Link up/down every hour or 2

    - by JWD
    The guys at the data center where I'm hosting a server running Solaris 10 are telling me that my server is making a lot of invalid arp requests. This is an example of a portion of what was sent to me from the logs (with Mac addresses and IP addresses changed). [mymacaddress]/0.0.0.0/0000.0000.0000/[myipaddress]/[Datestamp]) It's being logged every hour. I don't see anything in the arp tables (arp -a) or routing tables (netstat -r) and I don't see anything relating to 0.0.0.0 when snoping the arp requests. The only place I see any reference to 0.0.0.0 is if I do netstat -a for the SCTP SCTP: Local Address Remote Address Swind Send-Q Rwind Recv-Q StrsI/O State ------------------------------- ------------------------------- ------ ------ ------ ------ ------- ----------- 0.0.0.0 0.0.0.0 0 0 102400 0 32/32 CLOSED But not really sure what that means. Doesn't seem like I can disable SCTP. There are some tunable SCTP parameters but it's not something I'm familiar with. Do I have to add changes to /etc/system? Looks like sctp_heartbeat_interval might be what I need to change? If it makes any difference, I have a few solaris zones running on this server, each with their own IP address on a virtual interface. eth0:0, eth0:1, etc. Does anyone have any idea what might be causing this and how to stop it? I think the switch I'm connected to doesn't like it and momentarily drops the connection. Is there anyway to at least block those requests using ipfilter or something else? Update: This was happening more frequently but now it seems to be happening roughly every hour or every two hours. It's not consistent. I tried setting setting the link speed and duplex to match the switch port and that seemed to make it stop happening for a few hours but then it started again.

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  • How can I get Haproxy to not log local requests?

    - by coneybeare
    I am trying to clean out some of the log clutter from my machines and am starting by removing requests that are generated from the server themselves. I have cache warmers running around the clock and I don't want these polluting the logs. I was able to get apache to stop logging local requests by adding a dontlog for the local IP: SetEnvIf Remote_Addr "RE\.DA\.CT\.ED" dontlog CustomLog "|logger -p local3.info -t http" combined env=!dontlog and now I am looking for something similar to put in a configuration for the Haproxy log. How can I prevent 127.0.0.1 requests from writing to the Haproxy log? UPDATE: 2/15/11 I use the excellent loggly service to pull out logs in the cloud, but I am seeing tons of logs like this: 2011 Feb 15 06:09:42.000 ip-10-251-194-96 http: RE.DA.CT.ED - - [15/Feb/2011:06:09:42 -0500] "HEAD /search/Nevad/predictive/txt HTTP/1.0" 200 - "-" "Wget/1.10.2 (Red Hat modified)" 2011 Feb 15 06:09:42.000 127.0.0.1 haproxy[10390]: 127.0.0.1:58408 [15/Feb/2011:06:09:42] www i-5dd7a331.0 0/0/0/8/8 200 210 - - --NI 0/0/0 0/0 "HEAD /search/Nevad/predictive/txt HTTP/1.1" and I want them gone. This question focuses on how to remove that haproxy log line from writing to the server side log in the first place.

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  • Why is IIS 7.5 seeing some requests as HTTP/1.0?

    - by Zhaph - Ben Duguid
    While trying to work out why Static File Compression wasn't working on one of our IIS servers, the error was coming back as "NO_COMPRESSION_10" which translates to: Server not configured to compress 1.0 requests Looking at the requests in Fiddler, I can see that I'm requesting HTTP 1.1, but everything is being sent back as HTTP 1.0: Request (from chrome, captured via Fiddler): GET /css/reset.css HTTP/1.1 Host: [-----].com Connection: keep-alive Cache-Control: max-age=0 If-Modified-Since: Tue, 16 Oct 2012 15:04:34 GMT User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.11 (KHTML, like Gecko) Chrome/23.0.1271.95 Safari/537.11 Accept: text/css,*/*;q=0.1 Referer: http://[-----].com/ Accept-Encoding: gzip,deflate,sdch Accept-Language: en-GB,en;q=0.8,en-US;q=0.6 Accept-Charset: ISO-8859-1,utf-8;q=0.7,*;q=0.3 Response from IIS: HTTP/1.0 200 OK Cache-Control: no-cache, no-store Pragma: no-cache Content-Type: text/html; charset=utf-8 Expires: -1 Server: Microsoft-IIS/7.5 X-AspNet-Version: 4.0.30319 X-Powered-By: ASP.NET Date: Tue, 11 Dec 2012 11:57:03 GMT Connection: close Content-Length: 108837 Other servers with the same host that I'm running this site on all respond with HTTP/1.1. How can I persuade IIS to respond with HTTP/1.1 rather than HTTP/1.0? Edit to add: Digging deeper, I can see that some responses from the server are indeed being returned compressed, so I guess really I'm trying to work out why talking to this particular server from our office seems to result in it seeing 1.0 requests, while other servers at the same co-loc don't?

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  • Requests are making it to my app server, but not into node.js -- why?

    - by Zane Claes
    I detailed in this question on StackOverflow how some random requests are not making it from the client to my Node.js app server, resulting in a gateway timeout. In summary, identical requests are, at random, not even making it far enough to trigger a console.log() in my first line of express middleware. I need to narrow down the problem, though, to find out WHERE the traffic is being lost and it was suggested that I try a packet sniffer on my app servers. Here's my setup: 2x Load Balancers (m1.larges) 2x node.js servers (also m1.large) Here's what's interesting/unusual: the node.js servers started as PHP servers with an Apache stack and continue to serve PHP files for my domain (streamified.me). However, I use a little httpd.conf magic on the app servers so that requests to api.streamified.me get routed over port 8888 to the node.js server: RewriteCond %{HTTP_HOST} ^api.streamified.me RewriteRule ^(.*) http://localhost:8888$1 [P] So, the request hits the load balancer = goes to an app server = gets routed to port 8888 if it's intended for the API = gets handled by node.js So, in the same httpd.conf file, I turned on RewriteLogLevel 5 and then created a simple PHP+CURL script on my localhost to hit my api.streamified.me with a random URL (which should cause node.js to trigger a simple "not found" response) until it resulted in a Gateway timeout. Here, you can see that it has happened -- and the rewrite log shows that the request was definitely received by the app server and forwarded to port 8888... but it was never received by node.js (or, at least, the first line of code in the first line of middleware never gets it...) Image Link: http://i.stack.imgur.com/3OQxS.png

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  • Difference in performance: local machine VS amazon medium instance

    - by user644745
    I see a drastic difference in performance matrix when i run it with apache benchmark (ab) in my local machine VS production hosted in amazon medium instance. Same concurrent requests (5) and same total number of requests (111) has been run against both. Amazon has better memory than my local machine. But there are 2 CPUs in my local machine vs 1 CPU in m1.medium. My internet speed is very low at the moment, I am getting Transfer rate as 25.29KBps. How can I improve the performance ? Do not know how to interpret Connect, Processing, Waiting and total in ab output. Here is Localhost: Server Hostname: localhost Server Port: 9999 Document Path: / Document Length: 7631 bytes Concurrency Level: 5 Time taken for tests: 1.424 seconds Complete requests: 111 Failed requests: 102 (Connect: 0, Receive: 0, Length: 102, Exceptions: 0) Write errors: 0 Total transferred: 860808 bytes HTML transferred: 847155 bytes Requests per second: 77.95 [#/sec] (mean) Time per request: 64.148 [ms] (mean) Time per request: 12.830 [ms] (mean, across all concurrent requests) Transfer rate: 590.30 [Kbytes/sec] received Connection Times (ms) min mean[+/-sd] median max Connect: 0 0 0.5 0 1 Processing: 14 63 99.9 43 562 Waiting: 14 60 96.7 39 560 Total: 14 63 99.9 43 563 And this is production: Document Path: / Document Length: 7783 bytes Concurrency Level: 5 Time taken for tests: 33.883 seconds Complete requests: 111 Failed requests: 0 Write errors: 0 Total transferred: 877566 bytes HTML transferred: 863913 bytes Requests per second: 3.28 [#/sec] (mean) Time per request: 1526.258 [ms] (mean) Time per request: 305.252 [ms] (mean, across all concurrent requests) Transfer rate: 25.29 [Kbytes/sec] received Connection Times (ms) min mean[+/-sd] median max Connect: 290 297 14.0 293 413 Processing: 897 1178 63.4 1176 1391 Waiting: 296 606 135.6 588 1171 Total: 1191 1475 66.0 1471 1684

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  • Nginx Slower than Apache??

    - by ichilton
    Hi, I've just setup 2x identical Rackspace Cloud instances and am doing some comparisons and benchmarks to compare Apache and Nginx. I'm testing with a 3.4k png file and initially 512MB server instances but have now moved to 1024MB server instances. I'm very surprised to see that whatever I try, Apache seems to consistently outperform Nginx....what am I doing wrong? Nginx: Server Software: nginx/0.8.54 Server Port: 80 Document Length: 3400 bytes Concurrency Level: 100 Time taken for tests: 2.320 seconds Complete requests: 1000 Failed requests: 0 Write errors: 0 Total transferred: 3612000 bytes HTML transferred: 3400000 bytes Requests per second: 431.01 [#/sec] (mean) Time per request: 232.014 [ms] (mean) Time per request: 2.320 [ms] (mean, across all concurrent requests) Transfer rate: 1520.31 [Kbytes/sec] received Connection Times (ms) min mean[+/-sd] median max Connect: 0 11 15.7 3 120 Processing: 1 35 76.9 20 1674 Waiting: 1 31 73.0 19 1674 Total: 1 46 79.1 21 1693 Percentage of the requests served within a certain time (ms) 50% 21 66% 39 75% 40 80% 40 90% 98 95% 136 98% 269 99% 334 100% 1693 (longest request) And Apache: Server Software: Apache/2.2.16 Server Port: 80 Document Length: 3400 bytes Concurrency Level: 100 Time taken for tests: 1.346 seconds Complete requests: 1000 Failed requests: 0 Write errors: 0 Total transferred: 3647000 bytes HTML transferred: 3400000 bytes Requests per second: 742.90 [#/sec] (mean) Time per request: 134.608 [ms] (mean) Time per request: 1.346 [ms] (mean, across all concurrent requests) Transfer rate: 2645.85 [Kbytes/sec] received Connection Times (ms) min mean[+/-sd] median max Connect: 0 1 3.7 0 27 Processing: 0 3 6.2 1 29 Waiting: 0 2 5.0 1 29 Total: 1 4 7.0 1 29 Percentage of the requests served within a certain time (ms) 50% 1 66% 1 75% 1 80% 1 90% 17 95% 19 98% 26 99% 27 100% 29 (longest request) I'm currently using worker_processes 4; and worker_connections 1024; but i've tried and benchmarked different values and see the same behaviour on all - I just can't get it to perform as well as Apache and from what i've read previously, i'm shocked about this! Can anyone give any advice? Thanks, Ian

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  • Why can't I grant exec on dbms_lock.sleep() OR create a procedure using it (but I can run it fine on its own)

    - by Richard Green
    I am trying to write a small bit of PL/SQL that has a non-CPU burning sleep in it. The following works in sqldeveloper begin dbms_lock.sleep(5); end; BUT (as the same user), I can't do the following: create or replace procedure sleep(seconds in number) is begin dbms_lock.sleep(seconds); end; without the error "identifer "DBMS_LOCK" must be declared... Funny as I could run it without a procedure. Just as strange, when I log in as a DBA, I can run the command grant exec on dbms_lock to public; and I get ERROR at line 1: ORA-00990: missing or invalid privilege This is oracle version "Oracle Database 11g Express Edition Release 11.2.0.2.0 - 64bit Production"

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  • Run web.py as daemon.

    - by mamcx
    I have a simple web.py program to load data. In the server I don't want to install apache or any webserver. I try to put it as a background service with http://www.jejik.com/articles/2007/02/a_simple_unix_linux_daemon_in_python/ And subclassing: (from http://www.jejik.com/files/examples/daemon.py) class Daemon: def start(self): """ Start the daemon """ ... PID CHECKS.... # Start the daemon self.daemonize() self.run() #My code class WebService(Daemon): def run(self): app.run() if __name__ == "__main__": if DEBUG: app.run() else: service = WebService(os.path.join(DIR_ACTUAL,'ElAdministrador.pid')) if len(sys.argv) == 2: if 'start' == sys.argv[1]: service.start() elif 'stop' == sys.argv[1]: service.stop() elif 'restart' == sys.argv[1]: service.restart() else: print "Unknown command" sys.exit(2) sys.exit(0) else: print "usage: %s start|stop|restart" % sys.argv[0] sys.exit(2) However, the web.py software not load (ie: The service no listen) If I call it directly (ie: No using the daemon code) work fine.

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  • How do I call exec in psake to an executable with a variable path?

    - by Josh Kodroff
    I can't seem to call this executable correctly in my psake deploy script. If I do this: exec { "$ArchiverOutputDir\NServiceBus.Host.exe /install" } It simply outputs this (and is clearly not calling the executable - just outputting the value of that expression): c:\ReloDotNet2_ServiceEndpoints\Archiver\NServiceBus.Host.exe /install But if I do this: exec { c:\ReloDotNet2_ServiceEndpoints\Archiver\NServiceBus.Host.exe /install } I get the expected output from the executable. How do I correctly call an executable with a variable in the path to the executable in psake? If this is actually a PowerShell issue, please feel free to correct the question to reflect that insight. I

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  • What can I do to resolve a cng.sys error while booting?

    - by denonth
    I have been downloading all bunch of things using torrent and I have restarted my pc and now every time at booting I get BSOD with the following error: ( cng.sys ; 8C1ACB28 at 8C183000 DATESTAMP 4ec48143 error 0xc0000001 ) I was checking this error and it seems that I have some sort of malware on my PC. How can I achieve to connect to Windows? I have tried repair and it says that I can't repair it. I have tried to boot with all F8 options and still I get restarted with BSOD. I have installed other Windows version of Windows on other partition. My version of Windows which is corrupted is Windows 7 ultimate x86. EDIT:

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  • How do i call bash script function using exec function by passing parameter in php?

    - by Stan
    I have created a bash script that install magento in a cpanel. but i have a problem regarding the exec function. $function_path = Mage::getBaseDir()."/media/installer/function.sh"; exec("$function_path $db_host $db_name $db_user $db_pass $url $ad_user $ad_pass $ad_email"); This the bash shell script function.sh #!/bin/bash magento_detail $dbhost $dbname $dbuser $dbpass $url $admin_username $admin_password $admin_email function magento_detail() { stty erase '^?' echo "To install Magento, you will need a blank database ready with a user assigned to it." echo -n "Do you have all of your database information" dbinfo = "y" echo $dbinfo if [ "$dbinfo" -eq 'y' ] then echo "Database Host (usually localhost) : $dbhost " echo "Database Name : $dbname " echo "Database User : $dbuser " echo "Database Password : $dbpass " echo "Store Url : $url " echo "Admin Username : $admin_username " echo "Admin Password : $admin_password " echo "Admin Email Address : $admin_email " echo -n "Include Sample Data? (y/n) " echo sample = "y" if [ "$sample" -eq "y" ]; then echo echo "Now installing Magento with sample data..." echo echo "Downloading packages..." echo wget http://www.magentocommerce.com/downloads/assets/1.5.1.0/magento-1.5.1.0.tar.gz wget http://www.magentocommerce.com/downloads/assets/1.2.0/magento-sample-data-1.2.0.tar.gz echo echo "Extracting data..." echo tar -zxvf magento-1.5.1.0.tar.gz tar -zxvf magento-sample-data-1.2.0.tar.gz echo echo "Moving files..." echo mv magento-sample-data-1.2.0/media/* magento/media/ mv magento-sample-data-1.2.0/magento_sample_data_for_1.2.0.sql magento/data.sql mv magento/index.php magento/.htaccess ./$test1 echo echo "Setting permissions..." echo chmod o+w var var/.htaccess app/etc chmod -R o+w media echo echo "Importing sample products..." echo mysql -h $dbhost -u $dbuser -p$dbpass $dbname < data.sql echo echo "Initializing PEAR registry..." echo chmod 550 mage ./mage mage-setup . echo echo "Downloading packages..." echo echo echo "Cleaning up files..." echo rm -rf downloader/pearlib/cache/* downloader/pearlib/download/* rm -rf magento/ magento-sample-data-1.2.0/ rm -rf magento-1.5.1.0.tar.gz magento-sample-data-1.2.0.tar.gz data.sql rm -rf index.php.sample .htaccess.sample php.ini.sample LICENSE.txt STATUS.txt data.sql echo echo "Installing Magento..." echo php -f install.php --license_agreement_accepted "yes" --locale "en_US" --timezone "America/Los_Angeles" --default_currency "USD" --db_host "$dbhost" --db_name "$dbname" --db_user "$dbuser" --db_pass "$dbpass" --url "$url" --use_rewrites "yes" --use_secure "no" --secure_base_url "" --use_secure_admin "no" --admin_email "$admin_email" --admin_username "$admin_username" --admin_password "$admin_password" echo echo "Finished installing Magento" echo exit else echo "Now installing Magento without sample data..." echo echo "Downloading packages..." echo wget http://www.magentocommerce.com/downloads/assets/1.5.1.0/magento-1.5.1.0.tar.gz echo echo "Extracting data..." echo tar -zxvf magento-1.5.1.0.tar.gz echo echo "Moving files..." echo mv magento/* magento/.htaccess . echo echo "Setting permissions..." echo chmod o+w var var/.htaccess app/etc chmod -R o+w media echo echo "Initializing PEAR registry..." echo chmod 550 mage ./mage mage-setup . echo echo "Downloading packages..." echo echo echo "Cleaning up files..." echo rm -rf downloader/pearlib/cache/* downloader/pearlib/download/* rm -rf magento/ magento-1.5.1.0.tar.gz rm -rf index.php.sample .htaccess.sample php.ini.sample LICENSE.txt STATUS.txt echo echo "Installing Magento..." echo php -f install.php --license_agreement_accepted "yes" --locale "en_US" --timezone "America/Los_Angeles" --default_currency "USD" --db_host "$dbhost" --db_name "$dbname" --db_user "$dbuser" --db_pass "$dbpass" --url "$url" --use_rewrites "yes" --use_secure "no" --secure_base_url "" --use_secure_admin "no" --admin_email "$admin_email" --admin_username "$admin_username" --admin_password "$admin_password" echo echo "Finished installing Magento else part" exit fi else echo "Please setup a database first. Don't forget to assign a database user!" exit fi }` when i run this exec command,at that time it calls bash script function magento_installer() which contains arguments $db_host $db_name $db_user $db_pass $url $ad_user $ad_pass $ad_email. above arguments i'll pass in exec command to call magento_installer() function of bash script. so, is it right way of calling a bash script function? It directly goes to the last step of if condition and prints "Please setup a database first. Don't forget to assign a database user!". It cant enter it in if condition and directly goes to else condition. so please help me?

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  • what is the main cause of 500 internal server error? [closed]

    - by Usman
    I want to know that I have hosted with a hosting company . My website gives "500 Internal server error many times" I have following Web server statistics :- Web Server Statistics Successful requests: 127,310 (7,504) Average successful requests per day: 814 (1,071) Successful requests for pages: 24,949 (1,309) Average successful requests for pages per day: 159 (186) Failed requests: 3,499 (58) Redirected requests: 10,091 (114) Distinct files requested: 5,791 (556) Distinct hosts served: 5,107 (330) Data transferred: 4.28 gigabytes (190.56 megabytes) Average data transferred per day: 28.03 megabytes (27.22 megabytes) Can you tell me my server condition by seeing this or i have to give another details. Thanks in advance

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  • How can I transfer files to a Kindle Fire with a Micro-USB cable?

    - by Jeff
    I'm running Ubuntu 11.10, and when I connect my Kindle Fire to my computer via micro usb, it is not recognized automatically. Other usb devices, such as my ipod and digital camera, are recognized just fine. It does not appear to be a usb power issue, since the Kindle Fire wakes up from sleeping when it is plugged in. I never get the message on the Kindle telling me it is ready to accept files from the computer, though. Here are the last 15 lines of dmesg after plugging the kindle in: jeff@prime:~$ dmesg | tail -n 15 [45918.269671] ieee80211 phy0: wl_ops_bss_info_changed: arp filtering: enabled true, count 1 (implement) [45929.072149] wlan0: no IPv6 routers present [46743.224217] usb 1-1: new high speed USB device number 5 using ehci_hcd [46743.364623] scsi8 : usb-storage 1-1:1.0 [46744.366102] scsi 8:0:0:0: Direct-Access Amazon Kindle 0001 PQ: 0 ANSI: 2 [46744.366356] scsi: killing requests for dead queue [46744.372494] scsi: killing requests for dead queue [46744.384510] scsi: killing requests for dead queue [46744.392348] scsi: killing requests for dead queue [46744.392731] scsi: killing requests for dead queue [46744.396853] scsi: killing requests for dead queue [46744.397214] scsi: killing requests for dead queue [46744.400795] scsi: killing requests for dead queue [46744.401589] sd 8:0:0:0: Attached scsi generic sg2 type 0 [46744.407520] sd 8:0:0:0: [sdb] Attached SCSI removable disk And here are my mounted filesystems: jeff@prime:~$ df Filesystem 1K-blocks Used Available Use% Mounted on /dev/sda1 298594984 174663712 108763480 62% / udev 1407684 4 1407680 1% /dev tmpfs 566924 896 566028 1% /run none 5120 0 5120 0% /run/lock none 1417308 300 1417008 1% /run/shm /home/jeff/.Private 298594984 174663712 108763480 62% /home/jeff I should note that, since I got Dropbox working on my Kindle, the usb is no longer strictly necessary, but as a matter of principle I'd love to get it working.

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  • Performance Overhead of Encrypted /home

    - by SabreWolfy
    I have a netbook with Windows on the second partition and Xubuntu (/ and /home) on the third partition. I selected to encrypt my home folder during installation. The performance of the netbook is adequate for the small machine that it is, but I'm looking to improve performance. I could not find much information about the overhead (CPU or drive) associated with home partition encryption. I ran the following, writing to my home partition as well as the the mounted Windows partition: dd if=/dev/zero of=~/dummy bs=512 count=10240 dd if=/dev/zero of=/media/Windows/dummy bs=512 count=10240 The first returned 2.4MB/s and the second returned 2.5MB/s. Can I therefore deduce that there is very little overhead to home folder encryption? I'm not sure if the different filesystems will make any difference (/ and /home are ext3). Update 1 I don't know why I didn't use /tmp instead of the mounted Windows folder. Only /home is encrypted, so /tmp is unencrypted ext3. The results of the dd as above are astounding: ~: 2.4 MB/s /tmp: 42.6 MB/s Comments please? The reason I am asking this is that disk access on the netbook is noticeably slow. Update 2 I timed each of the dd operations with time: ~: real 0m2.217s user 0m0.028s sys 0m2.176s /tmp: real 0m0.152s user 0m0.012s sys 0m0.136s See also: discussion on UbuntuForums.org and bug report Edit: Output of mount: /dev/sda3 on / type ext3 (rw,noatime,errors=remount-ro,user_xattr,commit=600) proc on /proc type proc (rw,noexec,nosuid,nodev) none on /sys type sysfs (rw,noexec,nosuid,nodev) fusectl on /sys/fs/fuse/connections type fusectl (rw) none on /sys/kernel/debug type debugfs (rw) none on /sys/kernel/security type securityfs (rw) none on /dev type devtmpfs (rw,mode=0755) none on /dev/pts type devpts (rw,noexec,nosuid,gid=5,mode=0620) none on /dev/shm type tmpfs (rw,nosuid,nodev) none on /var/run type tmpfs (rw,nosuid,mode=0755) none on /var/lock type tmpfs (rw,noexec,nosuid,nodev) binfmt_misc on /proc/sys/fs/binfmt_misc type binfmt_misc (rw,noexec,nosuid,nodev) gvfs-fuse-daemon on /home/USER/.gvfs type fuse.gvfs-fuse-daemon (rw,nosuid,nodev,user=USER) `

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  • Lost files after installing Ubuntu

    - by Joshua Rosato
    I installed Ubuntu on my laptop over windows, I had 2 partitions on one hard disk. It seems like my second partition is gone with all my files. How can I recover the old files? They weren't on the same partition as Windows. I read that the partition has probably just not been mounted so ran sudo fdisk -l to find all the partitions and then ran sudo mount, however I can't tell from the results of sudo mount what is not mounted and I am also unsure how to mount it once I find the unmounted partition. sudo fdisk -l - Results Disk /dev/sda: 250.1 GB, 250059350016 bytes 255 heads, 63 sectors/track, 30401 cylinders, total 488397168 sectors Units = sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disk identifier: 0x0002c6dc Device Boot Start End Blocks Id System /dev/sda1 * 2048 486322175 243160064 83 Linux /dev/sda2 486324222 488396799 1036289 5 Extended /dev/sda5 486324224 488396799 1036288 82 Linux swap / Solaris sudo mount - Results /dev/sda1 on / type ext4 (rw,errors=remount-ro) proc on /proc type proc (rw,noexec,nosuid,nodev) sysfs on /sys type sysfs (rw,noexec,nosuid,nodev) none on /sys/fs/cgroup type tmpfs (rw) none on /sys/fs/fuse/connections type fusectl (rw) none on /sys/kernel/debug type debugfs (rw) none on /sys/kernel/security type securityfs (rw) udev on /dev type devtmpfs (rw,mode=0755) devpts on /dev/pts type devpts (rw,noexec,nosuid,gid=5,mode=0620) tmpfs on /run type tmpfs (rw,noexec,nosuid,size=10%,mode=0755) none on /run/lock type tmpfs (rw,noexec,nosuid,nodev,size=5242880) none on /run/shm type tmpfs (rw,nosuid,nodev) none on /run/user type tmpfs (rw,noexec,nosuid,nodev,size=104857600,mode=0755) none on /sys/fs/pstore type pstore (rw) systemd on /sys/fs/cgroup/systemd type cgroup (rw,noexec,nosuid,nodev,none,name=systemd) gvfsd-fuse on /run/user/1000/gvfs type fuse.gvfsd-fuse (rw,nosuid,nodev,user=joshy1)

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  • Redirect all access requests to a domain and subdomain(s) except from specific IP address? [closed]

    - by Christopher
    This is a self-answered question... After much wrangling I found the magic combination of mod_rewrite rules so I'm posting here. My scenario is that I have two domains - domain1.com and domain2.com - both of which are currently serving identical content (by way of a global 301 redirect from domain1 to domain2). Domain1 was then chosen to be repurposed to be a 'portal' domain - with a corporate CMS-based site leading off from the front page, and the existing 'retail' domain (domain2) left to serve the main web site. In addition, a staging subdomain was created on domain1 in order to prepare the new corporate site without impinging on the root domain's existing operation. I contemplated just rewriting all requests to domain2 and setting up the new corporate site 'behind the scenes' without using a staging domain, but I usually use subdomains when setting up new sites. Finally, I required access to the 'actual' contents of the domains and subdomains - i.e., to not be redirected like all other visitors - in order that I can develop the new site and test it in the staging environment on the live server, as I'm not using a separate development webserver in this case. I also have another test subdomain on domain1 which needed to be preserved. The way I eventually set it up was as follows: (10.2.2.1 would be my home WAN IP) .htaccess in root of domain1 RewriteEngine On RewriteCond %{REMOTE_ADDR} !^10\.2\.2\.1 RewriteCond %{HTTP_HOST} !^staging.domain1.com$ [NC] RewriteCond %{HTTP_HOST} !^staging2.domain1.com$ [NC] RewriteRule ^(.*)$ http://domain2.com/$1 [R=301] .htaccess in staging subdomain on domain1: RewriteEngine On RewriteCond %{REMOTE_ADDR} !^10\.2\.2\.1 RewriteCond %{HTTP_HOST} ^staging.revolver.coop$ [NC] RewriteRule ^(.*)$ http://domain2.com/$1 [R=301,L] The multiple .htaccess files and multiple rulesets require more processing overhead and longer iteration as the visitor is potentially redirected twice, however I find it to be a more granular method of control as I can selectively allow more than one IP address access to individual staging subdomain(s) without automatically granting them access to everything else. It also keeps the rulesets fairly simple and easy to read. (or re-interpret, because I'm always forgetting how I put rules together!) If anybody can suggest a more efficient way of merging all these rules and conditions into just one main ruleset in the root of domain1, please post! I'm always keen to learn, this post is more my attempt to preserve this information for those who are looking to redirect entire domains for all visitors except themselves (for design/testing purposes) and not just denying specific file access for maintenance mode (there are many good examples of simple mod_rewrite rules for 'maintenance mode' style operation easily findable via Google). You can also extend the IP address detection - firstly by using wildcards ^10\.2\.2\..*: the last octet's \..* denotes the usual "." and then "zero or more arbitrary characters", signified by the .* - so you can specify specific ranges of IPs in a subnet or entire subnets if you wish. You can also use square brackets: ^10\.2\.[1-255]\.[120-140]; ^10\.2\.[1-9]?[0-9]\.; ^10\.2\.1[0-1][0-9]\. etc. The third way, if you wish to specify multiple discrete IP addresses, is to bracket them in the style of ^(1.1.1.1|2.2.2.2|3.3.3.3)$, and you can of course use square brackets to substitute octets or single digits again. NB: if you're using individual RewriteCond lines to specify multiple IPs / ranges, make sure to put [OR] at the end of each one otherwise mod_rewrite will interpret as "if IP address matches 1.1.1.1 AND if IP address matches 2.2.2.2... which is of course impossible! However as far as I'm aware this isn't necessary if you're using the ! negator to specify "and is not...". Kudos also to SE: this older question also came in useful when I was verifying my own knowledge prior to my futzing around with code. This page was helpful, as were the various other links posted below (can't hyperlink them all due to spam protection... other regex checkers are available). The AddedBytes cheat sheet's useful to pin up on your wall. Other referenced URLs: internetofficer.com/seo-tool/regex-tester/ fantomaster.com/faarticles/rewritingurls.txt internetofficer.com/seo-tool/regex-tester/ addedbytes.com/cheat-sheets/mod_rewrite-cheat-sheet/

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  • Solaris ????????????????

    - by Homma
    ???? ???????????? CPU ?????????????????????????????????? OS ??????????????????????????????????????????????CPU ??????????????????? CPU ???????????????????????????????????????????????????????????????????????????? CPU ??????????????????????????????????? CPU ???????????????????????? CPU ????????????????????????? CPU ?????????????????????????????????????????????????????????????????????????????DTrace ????????????????? ?? ????????????????????????????????????????????? CPU ????????????????? # cat prog01.c int main() { while(1) {}; } # gcc prog01.c -o prog01 ?????????????????????pbind ?????????? CPU 1 ??????psradm ????????? CPU 1 ?????????????????????????? CPU 1 ?????????????? # ./prog01 & [1] 3247 # pbind -b 1 3247 process id 3247: was not bound, now 1 # psradm -i 1 # psrinfo 1 1 no-intr since 09/24/2012 05:46:25 ????????? Solaris 10 8/11 ????????? # cat /etc/release Oracle Solaris 10 8/11 s10x_u10wos_17b X86 Copyright (c) 1983, 2011, Oracle and/or its affiliates. All rights reserved. Assembled 23 August 2011 ????????????????????????? DTrace ??????????????(??????)???????????????????????????? preempt ??????????????????? DTrace ????????????????????????????????????????????????????????????????????????????? # dtrace -qn 'BEGIN{ ts = timestamp; } sched:::preempt/pid == $target/ { printf("%d\n",timestamp - ts); ts = timestamp }' -p 3247 ?????????????????????? 200 ????????????????????? # dtrace -qn 'BEGIN{ ts = timestamp; } sched:::preempt/pid == $target/ { printf("%d\n",timestamp - ts); ts = timestamp }' -p 3247 3547836 199976558 200030610 199964001 200001048 199999666 200021432 ???????????? 200 ????? CPU ????????????? CPU ????????????????????? ??????? CPU 1 ????????????? prog01 ?????????????????????????????????? prog01 ?????????????????????????????????????????????????????????? 200 ??????????????? ????????????????????????? ?????????????????????????????? DTrace ????????DTrace ???????????????????????????????????????????????????????????????????? # dtrace -qn 'sched:::preempt/pid == $target/ { printf("%d\n", ((tsproc_t*)curthread->t_cldata)->ts_timeleft); }' -p 3247 ??????????????????????????????? 1/100 ???????? 200 ????????????????? # dtrace -qn 'sched:::preempt/pid == $target/ { printf("%d\n", ((tsproc_t*)curthread->t_cldata)->ts_timeleft); }' -p 3247 20 20 20 20 20 20 ????????? 200 ???????????????????? ???????? 200 ??????????????????????????????????????????????????????????????????????????????? DTrace ???????DTrace ??????????????? # dtrace -qn 'sched:::preempt/pid == $target/ { printf("%d\n", ((tsproc_t*)curthread->t_cldata)->ts_cpupri); }' -p 3247 ???????????????????????????? # dtrace -qn 'sched:::preempt/pid == $target/ { printf("%d\n", ((tsproc_t*)curthread->t_cldata)->ts_cpupri); }' -p 3247 0 0 0 0 0 0 ????????????????? 0 ???????? 0 ?????????????????????? dispadmin ???????????????? # dispadmin -c TS -g | head # Time Sharing Dispatcher Configuration RES=1000 # ts_quantum ts_tqexp ts_slpret ts_maxwait ts_lwait PRIORITY LEVEL 200 0 50 0 50 # 0 200 0 50 0 50 # 1 200 0 50 0 50 # 2 200 0 50 0 50 # 3 200 0 50 0 50 # 4 200 0 50 0 50 # 5 ???????PRIORITY LEVEL 0 ???????? ts_quantum ? 200 ??????????? 0 ???? 200 ???????????????????????????(RES ??? 1000 ????ts_quantum ???? 1/1000 ?)? ????????? ????????????????????? mpstat ????????????????????????????icsw ??? 5 ???????????200 ?????????????????????????????????????????????????????? CPU ??? 200 ????????????? # mpstat 1 | egrep '^ 1|csw' CPU minf mjf xcal intr ithr csw icsw migr smtx srw syscl usr sys wt idl 1 0 0 347 196 1 42 1 3 0 0 2 9 1 0 90 CPU minf mjf xcal intr ithr csw icsw migr smtx srw syscl usr sys wt idl 1 0 0 0 16 0 0 5 0 0 0 0 100 0 0 0 CPU minf mjf xcal intr ithr csw icsw migr smtx srw syscl usr sys wt idl 1 0 0 0 7 0 0 5 0 0 0 0 100 0 0 0 CPU minf mjf xcal intr ithr csw icsw migr smtx srw syscl usr sys wt idl 1 0 0 0 8 0 0 5 0 0 0 0 100 0 0 0 CPU minf mjf xcal intr ithr csw icsw migr smtx srw syscl usr sys wt idl 1 0 0 0 18 1 0 5 0 0 0 0 100 0 0 0 ???????????? Solaris ????????????????????????????????????????????? priocntl ???????????????? 1 ?????????? # priocntl -s -c FX -t 1000 -i pid `pgrep prog01` ??????? mpstat ?????????CPU ??????? 1 ?????????????????????????????????????????????????????????????????????????????????????????????????????????????? # mpstat 1 | egrep '^ 1|csw' CPU minf mjf xcal intr ithr csw icsw migr smtx srw syscl usr sys wt idl 1 0 0 346 196 1 42 1 3 0 0 2 9 1 0 90 CPU minf mjf xcal intr ithr csw icsw migr smtx srw syscl usr sys wt idl 1 0 0 0 2 0 0 1 0 0 0 0 100 0 0 0 CPU minf mjf xcal intr ithr csw icsw migr smtx srw syscl usr sys wt idl 1 0 0 0 2 0 0 1 0 0 0 0 100 0 0 0 CPU minf mjf xcal intr ithr csw icsw migr smtx srw syscl usr sys wt idl 1 0 0 0 13 0 0 2 0 0 0 0 100 0 0 0 CPU minf mjf xcal intr ithr csw icsw migr smtx srw syscl usr sys wt idl 1 0 0 0 2 0 0 1 0 0 0 0 100 0 0 0 CPU minf mjf xcal intr ithr csw icsw migr smtx srw syscl usr sys wt idl 1 0 0 0 5 1 0 1 0 0 0 0 100 0 0 0 ????DTrace ????????????????????????????? # dtrace -qn 'sched:::preempt/pid == $target/ { printf("%d\n", ((fxproc_t*)curthread->t_cldata)->fx_timeleft); }' -p `pgrep prog01` 100 100 100 100 100 100 ??? Solaris ???????????????????????????????????????????????????????????????? 200 ???????????????????????????????????????????????? ??????????????????????????????????????????????????????????????? CPU ?????????I/O ?????????????????????????????????????????????????????????? ?????????????????????????? http://src.opensolaris.org/source/xref/onnv/onnv-gate/usr/src/uts/common/disp/ ????????? ???????????????????

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  • Is it possible to load balance requests from a single source?

    - by Shawn
    In our application, Server A establishes a TCP connection with Server B, then it sends a large amount of requests to Server B over the TCP connection. The request message is XML-based. Server B needs to respond within a very short period, and it takes time to process the requests. So we hope a load balancer can be introduced and we can expedite the processing by using multiple Server B's. This is not a web application. I did some research but failed to find a similar application of load balancer. Can anyone tell me if there's a load balancer can help in our application?

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  • Why would the IIS UrlRewrite module continue redirecting requests after the rule is removed?

    - by Jon Norton
    Our application uses the IIS UrlRewrite module to temporarily redirect requests during upgrades to a maintenance site. We have seen a few instances where even though the redirect rule has been removed, the server continues to redirect all requests according to the removed rule. There does not seem to be any pattern with this, and has only occurred once or twice. We have taken the following steps to try and determine the cause of this behavior. Verified that the original rule was a 307 temporary redirect Requested the application from machines that had never requested it before Used a different browser Added and removed a dummy rule from the IIS management console Checked the http kernel cache using netsh http show cachestate Modified the applicationHost.config file by hand (the rule was not still in the file, we just added a superfluous space) In the past when this has happened, we have been able to restart IIS and it solves the problem but that is not always an option and we really want to figure out what the root cause is. How or why would UrlRewrite be caching the response and not responding to configuration changes?

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  • Redirect HTTP requests based on subdomain address without changing accessed URL?

    - by tputkonen
    Let's say I have a domain: www.mydomain.com And I ordered a new domain: abc.newdomain.com Both domains are hosted in the same ISP, so currently requests to either of those addresses result in the same page being shown. I want to redirect all requests to abc.newdomain.com to folder /wp so that when users access abc.newdomain.com they would see whatever is inside folder /wp without seeing the URL change. Questions: 1) How can I achieve this using .htaccess? 2) How can I prevent users from accessing directly /wp directory (meaning that www.mydomain.com/wp would be blocked)?

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  • Redirect HTTP requests based on subdomain address without changing accessed URL?

    - by tputkonen
    Let's say I have a domain, www.mydomain.com. And I ordered a new domain, abc.newdomain.com. Both domains are hosted in the same ISP, so currently requests to either of those addresses result in the same page being shown. I want to redirect all requests to abc.newdomain.com to folder /wp so that when users access abc.newdomain.com they would see whatever is inside folder /wp without seeing the URL change. Questions: How can I achieve this using .htaccess? How can I prevent users from accessing directly /wp directory (meaning that www.mydomain.com/wp would be blocked)?

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  • How do i find out what's preventing delete requests from working in iis7.5 and iis8?

    - by Simon
    Our site has an MVC Rest API. Recently, both the live servers and my development machine stopped accepting DELETE requests, instead returning a 501 Not Implemented response. On my development machine, which is Windows 7 running IIS7.5, the solution was to add these lines to our Web.config, under system.webServer / handlers: <remove name="ExtensionlessUrlHandler-Integrated-4.0" /> ... <add name="ExtensionlessUrlHandler-Integrated-4.0" path="*." verb="GET,HEAD,POST,DEBUG,PUT,DELETE" type="System.Web.Handlers.TransferRequestHandler" resourceType="Unspecified" requireAccess="Script" preCondition="integratedMode,runtimeVersionv4.0" /> However, this didn't work on any of our live servers; not on Sever 2008 + IIS7.5 and not on Server 2012 + IIS8. There are no verbs set up in Request Filtering, and WebDAV is not installed on any of our live servers. The error page gives no further information, and nothing gets recorded in the logs. How do I find out what's preventing DELETE requests from working in iis7.5 and iis8?

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