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  • Apache reaching MaxClients and locking the server

    - by Rodrigo Sieiro
    Hi. I currently have an Apache2 server running with mpm-prefork and mod_php on a OpenVZ VPS with 512M real / 1024M burstable RAM (no swap). After running some tests, I found that the maximum process size Apache gets is 23M, so I've set MaxClients to 25 (23M x 25 = 575 MB, ok for me). I decided to run some load tests on my server, and the results left me puzzled. I'm using ab on my desktop machine requesting the main page from a wordpress blog. When I run ab with 24 concurrent connections, everything seems fine. Sure, CPU goes up, free RAM goes down, and the result is about 2-3s response time per request. But if I run ab with 25 concurrent connections (my server limit), Apache just hangs after a couple of seconds. It starts processing the requests, then it stops responding, CPU goes back to 100% idle and ab times out. Apache log says it reached MaxClients. When this happens, Apache keeps itself locked up with 25 running processes (they're all in "W" if I check server status) and only after the TimeOut setting the processes start to die and the server starts responding again (in my case it's set to 45). My question: is that expected behaviour? Why Apache just dies when it reaches MaxClients? If it works with 24 connections, shouldn't it work with 25, just taking maybe more time to respond each request and queueing up the rest? It sounds kinda strange to me that any kid running ab can alone kill a webserver just by setting the concurrent connections to the servers MaxClients.

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  • Debian Squeeze and exim4: cannot send mail

    - by Fernando Campos
    Hello guys, Got this error after install and config of exim4-daemon-light and mailutils packages on Debian Squeeze. This package is aimed to send automatic messages from websites, like email confirmation and stuff. Configuration after package install: dpkg-reconfigure exim4-config You'll be presented with a welcome screen, followed by a screen asking what type mail delivery you'd like to support. Choose the option for "internet site" and select "Ok" to continue. After many configuration sceens you can test mail with: echo "test message" | mail -s "test message" [email protected] Here is the response: root@server:/etc# echo "test message" | mail -s "test message" [email protected] 2011-03-02 20:34:59 1PuxRT-0001Aj-T9 Cannot open main log file "/var/log/exim4/mainlog": Permission denied: euid=101 egid=103 2011-03-02 20:34:59 1PuxRT-0001Aj-T9 <= root@debian U=root P=local S=331 2011-03-02 20:34:59 1PuxRT-0001Aj-T9 Cannot open main log file "/var/log/exim4/mainlog": Permission denied: euid=101 egid=103 exim: could not open panic log - aborting: see message(s) above Can't send mail: sendmail process failed with error code 1 There is no /var/log/exim4 directory on my server. I tried to create it, but it didn't work. Please, can someone help me? Best regards, Fernando

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  • Jetty - 401 Unauthorized when using basic authentication

    - by JP.
    I am running SOLR on jetty in Ubuntu (a bitnami VM, if that helps) and am trying to lock down access to both the admin pages and the update/delete/etc. pages using basic authentication. When I attempt to connect to the admin console via a web browser I am prompted for a user name and password, but the username and password I use simply does not work. For test purposes I am using foo:bar as the credentials, but I receive a '401 Unauthorized' response. I see the following in my request log. 127.0.0.1 - - [10/Nov/2013:05:35:46 +0000] "GET /solr/ HTTP/1.1" 401 1376 Am I doing something wrong and/or is there anything obviously incorrect with the below configuration? Any help is greatly appreciated. Jetty.xml <Call name="addBean"> <Arg> <New class="org.eclipse.jetty.security.HashLoginService"> <Set name="name">solr</Set> <Set name="config"><SystemProperty name="jetty.home" default="."/>/etc/realm.properties</Set> <Set name="refreshInterval">5</Set> </New> </Arg> </Call> /etc/realm.properties foo: bar, solr_admin webdefault.xml <security-constraint> <web-resource-collection> <url-pattern>/</url-pattern> </web-resource-collection> <auth-constraint> <role-name>solr_admin</role-name> </auth-constraint> </security-constraint> <login-config> <auth-method>BASIC</auth-method> <realm-name>solr</realm-name> </login-config>

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  • What's up with stat on MacOSX/Darwin? Or filesystems without names...

    - by Charles Stewart
    In response to a question I asked on SO, Give the mount point of a path, one respondant suggested using stat to get the device name associated with the volume of a given path. This works nicely on Linux, but gives crazy results on MacOSX 10.4. For my system, df and mount give: cas cas$ df Filesystem 512-blocks Used Avail Capacity Mounted on /dev/disk0s3 58342896 49924456 7906440 86% / devfs 194 194 0 100% /dev fdesc 2 2 0 100% /dev <volfs> 1024 1024 0 100% /.vol automount -nsl [166] 0 0 0 100% /Network automount -fstab [170] 0 0 0 100% /automount/Servers automount -static [170] 0 0 0 100% /automount/static /dev/disk2s1 163577856 23225520 140352336 14% /Volumes/Snapshot /dev/disk2s2 409404102 5745938 383187960 1% /Volumes/Sparse cas cas$ mount /dev/disk0s3 on / (local, journaled) devfs on /dev (local) fdesc on /dev (union) <volfs> on /.vol automount -nsl [166] on /Network (automounted) automount -fstab [170] on /automount/Servers (automounted) automount -static [170] on /automount/static (automounted) /dev/disk2s1 on /Volumes/Snapshot (local, nodev, nosuid, journaled) /dev/disk2s2 on /Volumes/Sparse (asynchronous, local, nodev, nosuid) Trying to get the devices from the mount points, though: cas cas$ df | grep -e/ | awk '{print $NF}' | while read line; do echo $line $(stat -f"%Sdr" $line); done / disk0s3r /dev ???r /dev ???r /.vol ???r /Network ???r /automount/Servers ???r /automount/static ???r /Volumes/Snapshot disk2s1r /Volumes/Sparse disk2s2r Here, I'm feeding each of the mount points scraped from df to stat, outputting the results of the "%Sdr" format string, which is supposed to be the device name: Cf. stat(1) man page: The special output specifier S may be used to indicate that the output, if applicable, should be in string format. May be used in combination with: ... dr Display actual device name. What's going on? Is it a bug in stat, or some Darwin VFS weirdness? Postscript Per Andrew McGregor, try passing "%Sd" to stat for more weirdness. It lists some apparently arbitrary subset of files from CWD...

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  • getting "No LoginModules configured" for JAAS login under WebSphere security domain

    - by user1739040
    I have a JAX-RPC web service running on WebSphere V7. It requires a UserNameToken for security. I have a custom login module (MyLoginModule) which extracts the username and password, and that module is defined as a JAAS application login in the websphere admin console. Using IBM RAD 8.0, I have bound the token consumer to the login module using the JAAS config name of the module. This all works fine and happy on my development server. Now I realize, that for deployment to another server, I am required to move the JAAS login from global security to a security domain. When I do that, it breaks my web service. I get this SOAP Fault message: com.ibm.wsspi.wssecurity.SoapSecurityException: WSEC6520E: Construction of the login context failed. The exception is : javax.security.auth.login.LoginException: No LoginModules configured for MyLoginModule According to the IBM docs: The JAAS application logins, the JAAS system logins, and the JAAS J2C authentication data aliases can all be configured at the domain level. By default, all of the applications in the system have access to the JAAS logins configured at the global level. The security runtime first checks for the JAAS logins at the domain level. If it does not find them, it then checks for them in the global security configuration. Configure any of these JAAS logins at a domain only when you need to specify a login that is used exclusively by the applications in the security domain. So I am looking to make sure my application is in the domain, and I have tried everything I can think of. (I have assigned the domain to "all scopes", to the entire cell, etc.) No luck, I keep getting the same error response to my web service client. Any help or hints are appreciated.

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  • 426 Connection closed; transfer aborted.

    - by Jiaoziren
    Hi, I have an IIS FTP set up on Windows 2003 SP2 (S1). Everyday in the early morning, a script on another server (S2) will run and initiate FTP transfer of pulling log files from S1 to S2. The FTP client we're using is built-in FTP.exe in Windows 2000 on S2. Recently we replaced S1 with a new server however we kept the IP address. There are multiple IP addresses on new S1. Ever since the new S1 was in place, the '426 Connection closed; transfer aborted.' errors haven been occuring randomly. The log indicated that the transfer started ok however the file cannot be transferred completely, as per log below: mget access*.log 200 Type set to A. 200 PORT command successful. 150 Opening ASCII mode data connection for access02232010.log(205777167 bytes). 426 Connection closed; transfer aborted. ftp: 20454832 bytes received in 283.95Seconds 72.04Kbytes/sec. The firewall monitor suggested that the connection was setup in passive mode however I've been told that MS FTP.exe doesn't support passive mode. Though I can see the response of 'entering passive mode' from server when typing in 'quote pasv'. My network admin has told me to try the transfer in active mode however I don't know how to open active mode on client side. It's getting really frustrating. Wish someone here has the right knowledge/experience could shed me a light. Cheers.

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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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  • solaris zpool SSD cache device "faulted"

    - by John-ZFS
    I am trying to get over these SATA SSD errors - smartctl command failed to read the SATA SSD - SATA is not supported what could be the reason for errors? does this mean that SSD has reached EOL & needs to be replacement? errors: No known data errors pool: zpool1216 state: DEGRADED status: One or more devices are faulted in response to persistent errors. Sufficient replicas exist for the pool to continue functioning in a degraded state. action: Replace the faulted device, or use 'zpool clear' to mark the device repaired. scan: scrub repaired 0 in 0h24m with 0 errors on Fri May 18 14:31:08 2012 config: NAME STATE READ WRITE CKSUM zpool1216 DEGRADED 0 0 0 raidz1-0 ONLINE 0 0 0 c11t10d0 ONLINE 0 0 0 c11t11d0 ONLINE 0 0 0 c11t12d0 ONLINE 0 0 0 c11t13d0 ONLINE 0 0 0 c11t14d0 ONLINE 0 0 0 c11t15d0 ONLINE 0 0 0 c11t16d0 ONLINE 0 0 0 c11t1d0 ONLINE 0 0 0 c11t2d0 ONLINE 0 0 0 c11t3d0 ONLINE 0 0 0 c11t4d0 ONLINE 0 0 0 c11t5d0 ONLINE 0 0 0 c11t6d0 ONLINE 0 0 0 c11t7d0 ONLINE 0 0 0 c11t8d0 ONLINE 0 0 0 c11t9d0 ONLINE 0 0 0 logs c9d0 FAULTED 0 0 0 too many errors cache c10d0 FAULTED 0 17 0 too many errors

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  • Apache MaxClients reaching max and locking the server

    - by Rodrigo Sieiro
    Hi. I currently have an Apache2 server running with mpm-prefork and mod_php on a OpenVZ VPS with 512M real / 1024M burstable RAM (no swap). After running some tests, I found that the maximum process size Apache gets is 23M, so I've set MaxClients to 25 (23M x 25 = 575 MB, ok for me). I decided to run some load tests on my server, and the results left me puzzled. I'm using ab on my desktop machine requesting the main page from a wordpress blog. When I run ab with 24 concurrent connections, everything seems fine. Sure, CPU goes up, free RAM goes down, and the result is about 2-3s response time per request. But if I run ab with 25 concurrent connections (my server limit), Apache just hangs after a couple of seconds. It starts processing the requests, then it stops responding, CPU goes back to 100% idle and ab times out. Apache log says it reached MaxClients. When this happens, Apache keeps itself locked up with 25 running processes (they're all in "W" if I check server status) and only after the TimeOut setting the processes start to die and the server starts responding again (in my case it's set to 45). My question: is that expected behaviour? Why Apache just dies when it reaches MaxClients? If it works with 24 connections, shouldn't it work with 25, just taking maybe more time to respond each request and queueing up the rest? It sounds kinda strange to me that any kid running ab can alone kill a webserver just by setting the concurrent connections to the servers MaxClients.

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  • Google Chrome mouse wheel takes keyboard focus

    - by Steve Crane
    I recently switched the default browser on all my machines from Firefox to Google Chrome. In general I’m loving Chrome but there is one behaviour that is driving me nuts. Scrolling with the mouse wheel takes keyboard focus away from the document. Here’s what happens. I’ve just opened a page or switched to a new tab and the page has keyboard focus as I can use the keyboard up/down and PgUp/PgDn keys to scroll it; no problem there. But if I then use the wheel on my mouse to scroll the page, it loses the keyboard focus and no longer responds to up/down, PgUp/PgDn, or in fact any other keyboard keys. I have to click on the page background to restore the keyboard focus. This is a minor inconvenience for scrolling but where it really drives me nuts is in Google Reader and Gmail where I use keyboard shortcuts a lot. Here I find that I scroll the article or e-mail I’m reading with the mouse wheel then get no response when I press j/k to move to the next or previous article or e-mail. I am using Windows 7 and the Chrome dev channel (version 4.0.249.43).

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  • Can't make virtual host working

    - by sica07
    I have to create a virtual host on a server which, previously hosted a single website (domain name). Now I'm trying to add a second domain on this server (using the same nameserver). What I've done so far: Initially there was no virtual host so I've made one for the second domain: NameVirtualHost *:80 <VirtualHost *:80> DocumentRoot /var/www/bla ServerName www.blabla.com ServerAlias blabla.com <Directory /var/www/blabla> Order deny,allow Allow from all AllowOverride All </Directory> </VirtualHost *:80> Because nothing happend, I changed the DocumentRoot of the apache server to /var/www (initially was the root document of the first website -/var/www/html) and created a virtual host for the first domain too: <VirtualHost *:80> DocumentRoot /var/www/html ServerName www.first.com ServerAlias first.com <Directory /var/www/html> Order deny,allow Allow from all AllowOverride All </Directory> </VirtualHost *:80> In this case, first.com is working ok, but bla.com not. When I ping blabla.com I get the "unkown host" response. What am I doing wrong? Do I have to modify something in the DNS settings too? Thank you.

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  • Staying anonymous while hosting your site?

    - by jamesCroft
    I don't mean anonymous surfing. I mean hosting and having your own domain and such. The reason is that my blog is about religious/political topics which may cause me trouble in the future. This is the domain I am working on: www.james-croft.com I know that using Whois search my name can come up: http://www.networksolutions.com/whois-search/james-croft.com The solution to that, as far as I understood, is to buy a privacy package from the domain registrar. in my case it is lucky register: http://i.stack.imgur.com/uvOdc.png Also hosting is a concern. I use the same hosting service for multiple websites. My question is this: Can my hosting be tracked and be used to identify me? Also: Are there other methods of finding out my identity from either Google Adsense or Amazon affiliate programs? I couldn't find any relevant articles online. If there is anything else that is relevant, please let me know. I appreciate any response.

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  • port forwarding with VirtualBox

    - by Argh
    I have a virtualbox VM running ubuntu. The Ubuntu guest is running a web server which listens on port 3000 (http://127.0.0.1:3000) The host machine is windows vista. I have configured port forwarding using VBoxManage. If I query the config using VboxManage getextradata "MyMachine", I get Key: GUI/AutoresizeGuest, Value: on Key: GUI/Fullscreen, Value: off Key: GUI/LastCloseAction, Value: shutdown Key: GUI/LastWindowPostion, Value: 9,34,640,529,max Key: GUI/MiniToolBarAlignment, Value: bottom Key: GUI/MiniToolBarAutoHide, Value: off Key: GUI/SaveMountedAtRuntime, Value: yes Key: GUI/Seamless, Value: off Key: GUI/ShowMiniToolBar, Value: yes Key: VBoxInternal/Devices/pcnet/0/LUN#0/Config/guesthttp/GuestPort, Value: 3000 Key: VBoxInternal/Devices/pcnet/0/LUN#0/Config/guesthttp/HostPort, Value: 3000 Key: VBoxInternal/Devices/pcnet/0/LUN#0/Config/guesthttp/Protocol, Value: TCP This looks like it should work... However when I try to access the web server from the host machine (windows box) I dont get a response. I ran a netstat on the windows box and nothing appears to be listening on port 3000 which explains why forwrding isnt working. Note that I have already tested with my firewall switched off... The version of VirtualBox I am using is 3.1.4 Any ideas?

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  • How to configure Farsun USB barcode scanner to not auto-trigger

    - by David Grayson
    At my company we have several USB barcode scanners. I'm not sure exactly what model they are, but I think they are the FG9800 from Farsun because that's what they look like on the exterior. They came with a programming manual that is very similar to this document from the Farsun website. When I scan the "Output Firmware Version" barcode, my scanner types the following into the computer: Farsun V2.00 2011-01-01 Is it possible to configure these scanners so they only read barcodes in response to the trigger button being pressed? I don't want them to automatically read barcodes. Additionally, I want this setting to be remembered while the scanner is turned off. Since this scanner only has a USB port, the only way to configure it that I know of is to scan bar codes from the manual (or make your own). I have tried scanning the configuration bar codes for Single Scan (013300), Single Scan No Trigger (013301), and Laser/CCD Timeout - 5 Seconds (0134005) from this document. Sometimes (but not often) this puts the scanner in to the right mode, where it only scans when the button is pressed. Unfortunately, the scanner seems to always leave this mode when it is power cycled. I have also scanned the "Reset Configuration To Defaults" barcode (0B) many times. We have three different scanners like this and I have not been able to successfully configure any of them. If the things I want are not possible with these Farsun-based scanners, is there some other scanner we can use?

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  • Experience with AMCC 3ware 9650se raid cards? Ours seems dead

    - by antiduh
    We have a 8-port 3ware 9650se raid card for our main disk array. We had to bring the server down for a pending power outage, and when we turned the machine back on, the raid card never started. This card has been in service for a couple years without problems, and was working up until the shutdown. Now, when we turn the machine on, the bios option rom that normally kicks in before the bootloader doesn't show up, none of the drives start, and when the OS tries to access the device, it just times out. The firmware on it has been upgraded in the past, so it's possible we've hit some sort of firmware bug. We're using it in a Silicon Mechanics R272 machine with gentoo for the OS. The OS eventually boots, but alas, without the card. We've ordered a new one, but I'm worried that if we replace the card it won't recognize the existing array. Has anybody performed a card swap before? Any help would be greatly appreciated. Edit: These are the kernel errors we see: 3ware 9000 Storage Controller device driver for Linux v2.26.02.012. 3w-9xxx 0000:09:00.0: PCI INT A -> GSI 18 (level, low) -> IRQ 18 3w-9xxx 0000:09:00.0: setting latency timer to 64 3w-9xxx: scsi0: ERROR: (0x06:0x000D): PCI Abort: clearing. 3w-9xxx: scsi0: ERROR: (0x06:0x001F): Microcontroller not ready during reset sequence. 3w-9xxx: scsi0: ERROR: (0x06:0x0036): Response queue (large) empty failed during reset sequence. 3w-9xxx 0000:09:00.0: PCI INT A disabled

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  • Rebooting access point via SSH with pexpect... hangs. Any ideas?

    - by MiniQuark
    When I want to reboot my D-Link DWL-3200-AP access point from my bash shell, I connect to the AP using ssh and I just type reboot in the CLI interface. After about 30 seconds, the AP is rebooted: # ssh [email protected] [email protected]'s password: ******** Welcome to Wireless SSH Console!! ['help' or '?' to see commands] Wireless Driver Rev 4.0.0.167 D-Link Access Point wlan1 -> reboot Sound's great? Well unfortunately the ssh client process never exits, for some reason (maybe the AP kills the ssh server a bit too fast, I don't know). My ssh client process is completely blocked (even if I wait for several minutes, nothing happens). I always have to wait for the AP to reboot, then open another shell, find the ssh client process ID (using ps aux | grep ssh) then kill the ssh process using kill <pid>. That's quite annoying. So I decided to write a python script to reboot the AP. The script connects to the AP's CLI interface via ssh, using python-pexpect, and it tries to launch the "reboot" command. Here's what the script looks like: #!/usr/bin/python # usage: python reboot_ap.py {host} {user} {password} import pexpect import sys import time command = "ssh %(user)s@%(host)s"%{"user":sys.argv[2], "host":sys.argv[1]} session = pexpect.spawn(command, timeout=30) # start ssh process response = session.expect(r"password:") # wait for password prompt session.sendline(sys.argv[3]) # send password session.expect(" -> ") # wait for D-Link CLI prompt session.sendline("reboot") # send the reboot command time.sleep(60) # make sure the reboot has time to actually take place session.close(force=True) # kill the ssh process The script connects properly to the AP (I tried running some other commands than reboot, they work fine), it sends the reboot command, waits for one minute, then kills the ssh process. The problem is: this time, the AP never reboots! I have no idea why. Any solution, anyone?

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  • nginx+mysql5 loadtesting configuration strangeness

    - by genseric
    i am trying to setup a new server running on debian6 and trying to make it work smooth under load. i ve used a wordpress site as a test object, and tried the configurations on http://blitz.io. when i increase the mysql max_connections from 50 to 200 lots of timeouts start to occur. but on 50 , no timeouts and pretty well response times. nginx configuration is fine , i tuned the config so i dont see errors. so i presume it's related to the other configuration options of my.cnf . i read some about options but still cant find what max_connections problem is all about. btw, the server has 16gb of ram and a fine i7 cpu. here is the current my.cnf [client] port = 3306 socket = /var/run/mysqld/mysqld.sock [mysqld_safe] socket = /var/run/mysqld/mysqld.sock nice = 0 [mysqld] wait_timeout=60 connect_timeout=10 interactive_timeout=120 user = mysql pid-file = /var/run/mysqld/mysqld.pid socket = /var/run/mysqld/mysqld.sock port = 3306 basedir = /usr datadir = /var/lib/mysql tmpdir = /tmp language = /usr/share/mysql/english skip-external-locking bind-address = 127.0.0.1 key_buffer = 384M max_allowed_packet = 16M thread_stack = 192K thread_cache_size = 20 myisam-recover = BACKUP max_connections = 50 table_cache = 1024 thread_concurrency = 8 query_cache_limit = 2M query_cache_size = 128M expire_logs_days = 10 max_binlog_size = 100M [mysqldump] quick quote-names max_allowed_packet = 16M [mysql] #no-auto-rehash # faster start of mysql but no tab completition [isamchk] key_buffer = 16M thanks in advance. i asked this question on SO but it's closed as off topic so i believe this is a SF question.

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  • RDP problem with Vista and Windows 7 destination

    - by MadBison
    I use a server a home to host a bunch of concurrently running Hyper-V VM's with different OS's and software for testing. I have Vista on the laptop, all latest SP's and patches. The server is Server 2008 R2, fully patched. The guests are a mix of XP, Vista, Server 2008 and Windows 7. If I connect to the Win XP or Server 2008 guest using RDP, it is always good. Very quick, no speed issues. If I connect to the Vista or Win 7 guests, the response time is so slow it is unusable. Usually 6 or 8 seconds, and at times it is to long to measure! This happens from both the laptop running Vista, and the server running Server 2008 R2. Does anyone know what the issue is with RDP on Vista and Windows 7 destinations? I did read this: http://blog.tmcnet.com/blog/tom-keating/microsoft/remote-desktop-slow-problem-solved.asp and that is not the problem I have applied that change to all PC's.

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  • How can I manually install pecl_http on Ubuntu 9.10?

    - by Richard
    This is essentially a repost of http://stackoverflow.com/questions/4159369/ubuntu-9-04-pecl-extension-downloads-but-does-not-install. Hoping maybe someone can help me here. I've done this: sudo apt-get install php-pear sudo apt-get install php5-dev sudo apt-get install libcurl3-openssl-dev which installs fine. However, the next step: sudo pecl install pecl_http Doesn't install the extension, but merely downloads it. There are no error messages. So I have unpacked it and built it myself per http://php.net/manual/en/install.pecl.phpize.php Essentially: cd pecl_http phpize ./configure make make install I also make test'd to check all ok - and it failed one test: HttpRequest, which is kind of fundamental to this package. And indeed this doesn't work: $r = new HttpRequest('http://www.google.com'); $r->send; echo $r->getResponseCode(); No request is sent, the response code is zero, but no errors either. How can I get this damn thing installed? Is this a bug? Am I doing something wrong? Any alternatives, workarounds? Help appreciated. Thanks

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  • Wireless access point -> Powerline -> Router -> Internet, should this work?

    - by Anthony
    My network at home used to be a laptop and desktop connected wirelessly to a single Wireless ADSL router, a Cisco 877W. Wireless reception around the house with this setup was quite unreliable, so I've gone about looking to improve it. I purchased some Belkin Gigabit powerline adapters and I've got these working fine. I can hook a computer up to one of the powerline adapters, and with the other one plugged into the ADSL router the computer has internet access. Additionally I can hook a Netgear DG834G Wireless ADSL router into it with the adsl not plugged in, and after turning off DHCP can RJ45 a computer up to the network. Everything works fine. However, if I setup a wireless network on the Netgear then any computer that connects wirelessly to it cannot access the internet. It gets an IP address very slowly via DHCP which is a good one, but it cannot access the internet. It can however communicate with the RJ45'd computer also connected to the Netgear. I wondered whether this could be a problem with the Netgear so I've borrowed a Cisco Aironet 1200 and got this working fine when it's attached directly to the primary ADSL router. I can connect to it wireless and get onto the internet. However, if I then plug it into the Netgear I can communicate with other devices attached to the Netgear, but can't get any further than the Netgear. All the while though the other devices RJ45'd to the Netgear are communicating with the internet just fine. I'm starting to suspect it's one of two things causing the problem: 1) For some reason the belkin powerline adapters don't like carrying wireless-originating signals. Could this be possible? 2) The primary Cisco ADSL router doesn't want to communicate with other devices on my network more than one hop away from it. I'm making an assumption here that within the Netgear box the wireless and wired sides are handled differently. Could this be true? Has anyone successfully setup something similar to what I'm trying, with a wireless device on the otherside of a pair of powerline connectors? Update 06/07/2010 - Response to irrational John 28 June Thanks for the answer John - and for clearing up some of my questions. The model number of the belkin powerline adapters are F5D4076. Security was apparently enabled by default on them, and I didn't change them from their default setting. The network diagram in your answer shows exactly what I'm trying to setup: I've followed that guide and I'm still not able to get things working properly. The thing that perplexes me is that wired network traffic works just fine - it's only the wireless traffic that doesn't. This is with the same laptop, and the same DHCP or static IPs. "1. What IP addresses did you assign to each router? What subnet masks are you using?" - subnet is 255.255.255.0, the router connected to the adsl is 192.168.153.1 and that has the DHCP server. The access point on the other side of the powerline adapters I've tried both a static IP of 192.168.153.110, same subnet, and a DHCP-assigned IP. The other devices are DHCP, although I also tried manually entering IP settings. "2. Have you correctly enabled DHCP on only one of the routers and disabled it on all the others?" Yes I have - only the internet-connected router has DHCP enabled. The IP range for the DHCP is from 192.168.153.11 - 192.168.153.200. The strange thing is that wired connections work fine on the LAN, plugged into any router, work fine - it's only the wireless connections that aren't working when they're plugged into the non-primary AP. "Since the routers you are using appear to integrate an ADSL modem I'm assuming there is no WAN port on them." There's no NAT within the LAN, and all wired connections are connected to LAN ports. It's something wrong with the wireless - wired works fine throughout the whole LAN. Update 06/07/2010 - Response to irrational John 29 June The diagram you've drawn in your answer shows pretty much exactly what I'm trying to do. I've spent another evening trying different things and made some progress but I'm still scratching my head. I've borrowed a Netgear access point and been trying with this, and the strange thing is that my PC is working now - this is a Windows 7 PC connected to the access point in the position of where the DG834G is in the diagram. Meanwhile, however, I have an old Powerbook G4 12" I use for music, and while that has a DHCP-assigned IP address, it's not getting any network throughput to either LAN or internet addresses. To make matters more strange, my phone appears to be intermittently working when it's on the wifi. The access point is a Netgear WPN802v1, DHCP, NAT both switched off, running firmware 2.0.9.0. Last night I set it up with exactly the same settings, and similar to tonight I could get a couple of devices to work, and a couple not to. By the morning, however, everything had stopped working - nothing could get a DHCP IP address. I rebooted the 877W earlier this evening and I'm wondering whether this is why a few things are working now. "Could it be possible that the issue could be with the 877W?" I didn't configure this - is it possible that the DHCP server only likes assigning devices that are immediately attached to it? Or similar, could a firewall be stopping too many addresses that are coming through one device? (ie. the Access Point) This could explain why devices are working at the start but then not by the end. In reply to your questions, "1. I looked at the Netgear DG834G support page. There are five versions of this router. Which version do you have? Netgear usually lists this on the label on the bottom of the router. What version of the firmware does it have?" It's a DG834Gv3, and the firmware is the last on the netgear site version 4.01.40. "3. Not knowing which version you have, I glanced at the reference manual for the DG834G v3. In the section for Wireless Settings under the subsection Wireless Access Point there is a check box for a Wireless Isolation setting. If you have this setting it should be off/unchecked. If it is checked then any device connected via wireless would not be able to talk to any other device on the LAN. This sounds like your problem so maybe this is the cause?" I've checked this and it's switched off. I've made a change to the IP of the access point to something outside the DHCP range - it's now 192.158.153.5, with DHCP starting at 11 and going up to 254. Thanks for the tip about this - I only have a few devices so wouldn't anticipate the DHCP server assigning up to 110, but better safe than sorry. Finally one more thing I thought I should add, is with the Powerbook G4 that's not working - it's getting a DHCP IP address and it can communicate with the WPN802 as I can visit the administration page. Anything further than this, however, it can't reach; I can't administrate the 192.168.153.1 (877W router). Strangely, however, when I open Finder on the same powerbook it's detecting my NAS which is attached directly via wire to the 877W. If I try to browse it, it says connection failed. RE: "Perhaps the problem with your Powerbook is with DNS?.." The IP settings on the powerbook are identical to that of the PC with the exception of the IP address; the PC is 192.168.153.17 and the powerbook is 192.168.153.12. Subnets are the same, 255.255.255.0 and default gateway is the same, .1, and the DNS servers are the same. I administrate the 877W by going to 192.168.153.1 in the browser. This is what isn't working from the Powerbook, despite the PC working fine when I do the same. Meanwhile, however, I can administrate the AP on 192.168.153.5 from both PC and Powerbook Update 06/07/2010 - FINAL RESOLUTION of sorts: First off, sorry for the length of this question. I need start to practice a more concise writing style, so I'm going to try to keep this bit brief. After much fiddling, and with the hugely-appreciated help of irrational John, I have come to the conclusion that it's something wrong with the powerbook. I believe that this was perhaps the reason I doubted things worked at the very beginning. I now have the original DG834Gv3 running both wirelessly and wired, and both wired devices and wireless devices get internet connectivity. The only anomaly is the powerbook which I've had to keep wired, as no matter what I do it refuses to work wirelessly. I still have suspicions that the 877W isn't quite right; I'm fairly sure that if I RJ45 the powerline adapter into a different LAN port on it then everything will break. I've just about run out of patience to test this further, and I think I need to go into the 877W's config to match the 877w's lan port's settings. I'm accepting irrational John's answer as he's been enormously helpful, way above the call of duty, and for this line he wrote: Beats the heck out of me. which in the midst of great frustration made me chuckle, and for a sentence in one of his comments to the same answer: If it is specific to the Powerbook I would put that issue aside until after you feel you have the rest of your LAN and the additional WAP all working together correctlyt It was this second sentence that made me put the powerbook aside and concentrate on the other devices that ultimately led me to getting things working.

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  • DD-WRT router causing IP address conflicts across network

    - by r.tanner.f
    My DD-WRT router has lost its mind! I just set up two DD-WRT routers, one as a WAP (working fine) and one in Client Bridge (routed) mode (the problem). Not long after setup I started seeing IP address conflicts on other machines. The event log always points the finger at my Client Bridge router's MAC address. Neighbour table overflow The log on my router is flooded with Neighbour table overflow errors. These start a minute or two after boot. The network is rather large, with +200 IP addresses being used in this subnet. The other router shows no such errors. Mass ARP requests from 1.1.1.1 I'm also seeing constant ARP requests (with the problem router's MAC address) from 1.1.1.1. Seems like it's bugging everything on the network for its MAC address and then promptly forgetting it (or never receiving a response). Configuration: Model: Buffalo N600 Firmware: DD-WRT v24SP2-MULTI (03/21/11) Wireless Mode: Client Bridge (routed) I'm not sure what configuration details are relevant and I'd rather not have comments flooded, so just ping me in this chat if you want to know something. Why is my router stealing IP addresses and how can I stop it?

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  • Looking for a help desk ticketing system..

    - by Dan
    Hi guys Im looking for a good help desk ticket solution. It must perform the following actions for it to be useful. It needs to have a single point of contact via email..e.g [email protected] If we recieve a telephone(or an email outside of the system) we need to be able to create a ticket as if had been added via the single point of contact, this needs to be done with ease in order to save time. Certain people within our organisation deal with certain customers, so if the email/ custom input support call as mentioned in bullet 2 is picked up as having a relationship with that certain person in our organisation it needs to be sent to them/put in their queue for them to work on. If a person is out of office or sick any tickets sent to them must be forwarded to somebody else or put into a seperate pool of tickets that anybody can access. Perhaps have an agent that sorts through tickets in the pool and assigns them to anybody who is available, preferably the person with fewest tickets in their queue/list. Once a customer emails and the system logs it they immediately get a response with a ticket number and maybe details of who is dealing with the problem. Any correspondance in relation to a particular ticket is automatically grouped into some sort of message, and not made into a load of separate tickets. I.e system scans incoming email subjects for ticket numbers and assosciates it with exisiting tickets if that number exists. Any help is much appreciated Thanks P.S I have taken a look at OTRS but i'm not feeling it so unless someone can convince me I guess i'm after an alternative.

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  • Browser sends http request with RANGE

    - by nute
    I have a local testing environment in a Fedora virtual machine. Strangely, resources (css and js files) don't seem to work. Looking at Firebug, I see that the browser sends the HTTP request with "Range bytes=0-". The server responds with either an empty 200OK or an empty 206 Partial Content. Here is an example: Response Headers Date Mon, 23 Nov 2009 23:33:26 GMT Server Apache/2.2.13 (Fedora) Last-Modified Thu, 19 Nov 2009 22:58:55 GMT Etag "18-3aec-478c14dbee138" Accept-Ranges bytes Content-Length 15084 Content-Range bytes 0-15083/15084 Connection close Content-Type text/css Request Headers Host fedora.test User-Agent Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.9.1.5) Gecko/20091105 Fedora/3.5.5-1.fc11 Firefox/3.5.5 Accept text/css,*/*;q=0.1 Accept-Language en-us,en;q=0.5 Accept-Encoding gzip,deflate Accept-Charset ISO-8859-1,utf-8;q=0.7,*;q=0.7 Keep-Alive 300 Connection keep-alive Referer http://fedora.test/pictures/ Cookie __utma=26341546.1613992749.1258504422.1258569125.1258752550.4; __utmz=26341546.1258504422.1.1.utmcsr=(direct)|utmccn=(direct)|utmcmd=(none); PHPSESSID=tqf8jfmc77qihe97rl4tmhq685 Range bytes=0- If-Range "18-3aec-478c14dbee138" I don't know if the browser is sending the wrong request, or if it's the server that is doing this. Request made to the outside (such as google analytics) are working fine. This is running in Fedora 11 in VirtualBox. Apache. PHP. The files are being served through the "shared folders" feature of VirtualBox (could it be related?). No error logs could help me.

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  • Windows 7: Windows Firewall: Logging/Notifying on Outgoing Request Attempts

    - by Maxim Z.
    I'm trying to configure Windows Firewall with Advanced Security to log and tell me when programs are trying to make outbound requests. I previously tried installing ZoneAlarm, which worked wonders for me with this in XP, but now, I'm unable to install ZA on Win7. My question is, is it possible to somehow monitor a log or get notifications when a program tries to do that if I set all outbound connections to auto-block, so that I can then create a specific rule for the program and block it.? Thanks! UPDATE: I've enabled all the logging options available through the Properties windows of the Windows Firewall with Advanced Security Console, but I am only seeing logs in the %systemroot%\system32\LogFiles\Firewall\pfirewall.log file, not in the Event Viewer, as the first answer suggested. However, the logs that I can see only tell me the request's or response's destination IP and whether the connection was allowed or blocked, but it doesn't tell me what executable it comes from. I want to find out the file path of the executable that each blocked request comes from. So far, I haven't been able to.

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  • Ubuntu 12.04 - Pound Reverse Proxy and Adobe Flex/Flash Auth

    - by James
    First time posting, I have a completely fresh install of ubuntu 12.04 Client as a reverse proxy gateway to our internal network. Our setup is we have one external ip but three domains we would like to point to various webservers on our internal network. It's not so much a load balancing issue or cacheing etc. Merely routing some Client browsers to a port 80 webpage (to adhere to some stricter corporate policies regarding placing port numbers after domain names). I have gone with pound and everything seems to be working fine. Static pages load etc. Everything is good with the exception of a Flash/Flex based WebClient for a Digital Asset Management program. The actual static page loads fine, it is just at the moment of entering credentials, be they correct or incorrect, and hitting login, there is no response whatsoever. Either a rejection or confirmation etc. So the request back to the internal server can't be getting through. I have googled extensively and there might be a solution in a crossdomain.xml file? Documentation isn't very clear. And we are not the authors of the DAM app, and have no control over the code on the Flash/Flex side. Questions: Is there a particular config file/solution for pound that allows Flash/Flex auth information to be forwarded? Is there another reverse proxy program (nginx?)that allows this type of config? Am I looking at this the entire wrong way, should Flash/Flex fundamentally not be allowed to have this access?

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