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  • How do I install Citrix receiver?

    - by krondor
    Has anyone managed to get the Citrix receiver client working in 64-bit Natty (11.04). It seems libmotif4 won't install multi-arch (32 bit and 64 bit libraries). I also see crazy dependency errors despite the libraries being present. Here is what I received initially when trying to install icaclient.deb from Citrix; sudo dpkg -i Downloads/icaclient_11.100_i386.patched.deb dpkg: error processing Downloads/icaclient_11.100_i386.patched.deb (--install): package architecture (i386) does not match system (amd64) Errors were encountered while processing: Downloads/icaclient_11.100_i386.patched.deb I then installed the 32 bit libraries. sudo apt-get install ia32-libs ia32-libs-gtk Then I noticed libmotif4 (a dependency of the citrix client) wasn't present so I installed the 64bit version. sudo apt-get install libmotif4 I then tried to force the 32 bit version; sudo dpkg --force-architecture -i Downloads/libmotif4_2.3.3-5_i386.deb dpkg: warning: overriding problem because --force enabled: package architecture (i386) does not match system (amd64) Selecting previously deselected package libmotif4:i386. dpkg: error processing Downloads/libmotif4_2.3.3-5_i386.deb (--install): libmotif4:i386 2.3.3-5 (Multi-Arch: no) is not co-installable with libmotif4:amd64 2.3.3-5ubuntu1 (Multi-Arch: no) which is currently installed So I uninstalled the 64 bit version and tried to install the 32 bit version. This worked, but when I attempt to install Citrix I enter dependency hell. sudo dpkg --force-architecture -i Downloads/icaclient_11.100_i386.patched.deb dpkg: warning: overriding problem because --force enabled: package architecture (i386) does not match system (amd64) Selecting previously deselected package icaclient:i386. (Reading database ... 183036 files and directories currently installed.) Unpacking icaclient:i386 (from .../icaclient_11.100_i386.patched.deb) ... dpkg: dependency problems prevent configuration of icaclient:i386: icaclient:i386 depends on libc6 (>= 2.3). icaclient:i386 depends on libice6 (>= 1:1.0.0). icaclient:i386 depends on libsm6. icaclient:i386 depends on libx11-6. icaclient:i386 depends on libxaw7. icaclient:i386 depends on libxext6. icaclient:i386 depends on libxmu6. icaclient:i386 depends on libxp6. icaclient:i386 depends on libxpm4. icaclient:i386 depends on libxt6. dpkg: error processing icaclient:i386 (--install): dependency problems - leaving unconfigured Errors were encountered while processing: icaclient:i386 So the state it's in, there's no icaclient binaries installed only the docs. It is complaining about libraries that are indeed present (libc6 64 bit and 32 bit). libmotif4 is only 32 bit installed and won't install alongside libmotif4 64 bit. libmotif4 error when you try to install it alongside the 32bit instance; libmotif4:amd64 2.3.3-5 (Multi-Arch: no) is not co-installable with libmotif4:i386 2.3.3-5ubuntu1 (Multi-Arch: no) which is currently installed Any tips?

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  • Chrome and Firefox not able to find some sites after Ubuntu's recent update?

    - by gkr
    Loading of revision3.com in Chrome stops and status saying "waiting for static.inplay.tubemogul.com" grooveshark.com in Chrome never loads But wikipedia.org, google.com works just normal same behavior in Firefox too. I use wired DSL connection in Ubuntu 12.04. I guess this started happening after I upgraded the Chrome browser or Flash plugin few days ago from Ubuntu updates through update-manager. Thanks EDIT: Everything works normal in my WinXP. Problem is only in Ubuntu 12.04. This is what I get when I use wget gkr@gkr-desktop:~$ wget revision3.com --2012-06-12 08:58:01-- http://revision3.com/ Resolving revision3.com (revision3.com)... 173.192.117.198 Connecting to revision3.com (revision3.com)|173.192.117.198|:80... connected. HTTP request sent, awaiting response... 200 OK Length: unspecified [text/html] Saving to: `index.html' [ ] 81,046 32.0K/s in 2.5s 2012-06-12 08:58:04 (32.0 KB/s) - `index.html' saved [81046] gkr@gkr-desktop:~$ wget static.inplay.tubemogul.com --2012-06-12 08:51:25-- http://static.inplay.tubemogul.com/ Resolving static.inplay.tubemogul.com (static.inplay.tubemogul.com)... 72.21.81.253 Connecting to static.inplay.tubemogul.com (static.inplay.tubemogul.com)|72.21.81.253|:80... connected. HTTP request sent, awaiting response... 404 Not Found 2012-06-12 08:51:25 ERROR 404: Not Found. grooveshark.com nevers responses so I have to Ctrl+C to terminate wget. gkr@gkr-desktop:~$ wget grooveshark.com --2012-06-12 08:51:33-- http://grooveshark.com/ Resolving grooveshark.com (grooveshark.com)... 8.20.213.76 Connecting to grooveshark.com (grooveshark.com)|8.20.213.76|:80... connected. HTTP request sent, awaiting response... ^C gkr@gkr-desktop:~$ This is the apt term.log of updates I mentioned Log started: 2012-06-09 04:51:45 (Reading database ... (Reading database ... 5% (Reading database ... 10% (Reading database ... 15% (Reading database ... 20% (Reading database ... 25% (Reading database ... 30% (Reading database ... 35% (Reading database ... 40% (Reading database ... 45% (Reading database ... 50% (Reading database ... 55% (Reading database ... 60% (Reading database ... 65% (Reading database ... 70% (Reading database ... 75% (Reading database ... 80% (Reading database ... 85% (Reading database ... 90% (Reading database ... 95% (Reading database ... 100% (Reading database ... 161392 files and directories currently installed.) Preparing to replace google-chrome-stable 19.0.1084.52-r138391 (using .../google-chrome-stable_19.0.1084.56-r140965_i386.deb) ... Unpacking replacement google-chrome-stable ... Preparing to replace libpulse0 1:1.1-0ubuntu15 (using .../libpulse0_1%3a1.1-0ubuntu15.1_i386.deb) ... Unpacking replacement libpulse0 ... Preparing to replace libpulse-mainloop-glib0 1:1.1-0ubuntu15 (using .../libpulse-mainloop-glib0_1%3a1.1-0ubuntu15.1_i386.deb) ... Unpacking replacement libpulse-mainloop-glib0 ... Preparing to replace libpulsedsp 1:1.1-0ubuntu15 (using .../libpulsedsp_1%3a1.1-0ubuntu15.1_i386.deb) ... Unpacking replacement libpulsedsp ... Preparing to replace sudo 1.8.3p1-1ubuntu3.2 (using .../sudo_1.8.3p1-1ubuntu3.3_i386.deb) ... Unpacking replacement sudo ... Preparing to replace flashplugin-installer 11.2.202.235ubuntu0.12.04.1 (using .../flashplugin-installer_11.2.202.236ubuntu0.12.04.1_i386.deb) ... Unpacking replacement flashplugin-installer ... Preparing to replace pulseaudio-utils 1:1.1-0ubuntu15 (using .../pulseaudio-utils_1%3a1.1-0ubuntu15.1_i386.deb) ... Unpacking replacement pulseaudio-utils ... Preparing to replace pulseaudio 1:1.1-0ubuntu15 (using .../pulseaudio_1%3a1.1-0ubuntu15.1_i386.deb) ... Unpacking replacement pulseaudio ... Preparing to replace pulseaudio-module-gconf 1:1.1-0ubuntu15 (using .../pulseaudio-module-gconf_1%3a1.1-0ubuntu15.1_i386.deb) ... Unpacking replacement pulseaudio-module-gconf ... Preparing to replace pulseaudio-module-x11 1:1.1-0ubuntu15 (using .../pulseaudio-module-x11_1%3a1.1-0ubuntu15.1_i386.deb) ... Unpacking replacement pulseaudio-module-x11 ... Preparing to replace shared-mime-info 1.0-0ubuntu4 (using .../shared-mime-info_1.0-0ubuntu4.1_i386.deb) ... Unpacking replacement shared-mime-info ... Preparing to replace pulseaudio-module-bluetooth 1:1.1-0ubuntu15 (using .../pulseaudio-module-bluetooth_1%3a1.1-0ubuntu15.1_i386.deb) ... Unpacking replacement pulseaudio-module-bluetooth ... Processing triggers for menu ... /usr/share/menu/downverter.menu: 1: /usr/share/menu/downverter.menu: Syntax error: word unexpected (expecting ")") Processing triggers for man-db ... locale: Cannot set LC_CTYPE to default locale: No such file or directory locale: Cannot set LC_MESSAGES to default locale: No such file or directory locale: Cannot set LC_ALL to default locale: No such file or directory Processing triggers for bamfdaemon ... Rebuilding /usr/share/applications/bamf.index... Processing triggers for desktop-file-utils ... Processing triggers for gnome-menus ... Processing triggers for ureadahead ... ureadahead will be reprofiled on next reboot Processing triggers for update-notifier-common ... flashplugin-installer: downloading http://archive.canonical.com/pool/partner/a/adobe-flashplugin/adobe-flashplugin_11.2.202.236.orig.tar.gz Installing from local file /tmp/tmpNrBt4g.gz Flash Plugin installed. Processing triggers for doc-base ... Processing 1 changed doc-base file... Registering documents with scrollkeeper... Setting up google-chrome-stable (19.0.1084.56-r140965) ... Setting up libpulse0 (1:1.1-0ubuntu15.1) ... Setting up libpulse-mainloop-glib0 (1:1.1-0ubuntu15.1) ... Setting up libpulsedsp (1:1.1-0ubuntu15.1) ... Setting up sudo (1.8.3p1-1ubuntu3.3) ... Installing new version of config file /etc/pam.d/sudo ... Setting up flashplugin-installer (11.2.202.236ubuntu0.12.04.1) ... locale: Cannot set LC_CTYPE to default locale: No such file or directory locale: Cannot set LC_MESSAGES to default locale: No such file or directory locale: Cannot set LC_ALL to default locale: No such file or directory Setting up pulseaudio-utils (1:1.1-0ubuntu15.1) ... Setting up pulseaudio (1:1.1-0ubuntu15.1) ... Setting up pulseaudio-module-gconf (1:1.1-0ubuntu15.1) ... Setting up pulseaudio-module-x11 (1:1.1-0ubuntu15.1) ... Setting up shared-mime-info (1.0-0ubuntu4.1) ... Setting up pulseaudio-module-bluetooth (1:1.1-0ubuntu15.1) ... Processing triggers for menu ... /usr/share/menu/downverter.menu: 1: /usr/share/menu/downverter.menu: Syntax error: word unexpected (expecting ")") Processing triggers for libc-bin ... ldconfig deferred processing now taking place Log ended: 2012-06-09 04:53:32 This is from history.log Start-Date: 2012-06-09 04:51:45 Commandline: aptdaemon role='role-commit-packages' sender=':1.56' Upgrade: shared-mime-info:i386 (1.0-0ubuntu4, 1.0-0ubuntu4.1), pulseaudio:i386 (1.1-0ubuntu15, 1.1-0ubuntu15.1), libpulse-mainloop-glib0:i386 (1.1-0ubuntu15, 1.1-0ubuntu15.1), sudo:i386 (1.8.3p1-1ubuntu3.2, 1.8.3p1-1ubuntu3.3), pulseaudio-module-bluetooth:i386 (1.1-0ubuntu15, 1.1-0ubuntu15.1), pulseaudio-module-x11:i386 (1.1-0ubuntu15, 1.1-0ubuntu15.1), flashplugin-installer:i386 (11.2.202.235ubuntu0.12.04.1, 11.2.202.236ubuntu0.12.04.1), pulseaudio-utils:i386 (1.1-0ubuntu15, 1.1-0ubuntu15.1), pulseaudio-module-gconf:i386 (1.1-0ubuntu15, 1.1-0ubuntu15.1), libpulse0:i386 (1.1-0ubuntu15, 1.1-0ubuntu15.1), libpulsedsp:i386 (1.1-0ubuntu15, 1.1-0ubuntu15.1), google-chrome-stable:i386 (19.0.1084.52-r138391, 19.0.1084.56-r140965) End-Date: 2012-06-09 04:53:32

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  • Lotus 9 on ubuntu 13.04 64bit

    - by Hassan
    hey everybody! when i install notes 9 on my Ubuntu 13.04 its not complete the installation because some depending package see below : hassan@Hassan-Ubuntu:~/Downloads/IBM Notes 9$ sudo dpkg -i ibm-notes-9.0.i586.deb [sudo] password for hassan: dpkg: regarding ibm-notes-9.0.i586.deb containing ibm-notes, pre-dependency problem: ibm-notes pre-depends on libgnomeprint2.2-0 dpkg: error processing ibm-notes-9.0.i586.deb (--install): pre-dependency problem - not installing ibm-notes Errors were encountered while processing: ibm-notes-9.0.i586.deb please advice Thanks :)

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  • How can I include a line until # but without the # when parsing 'sources.list' with regex?

    - by stwissel
    I want to parse my sources.list to extract the list of repositories. I have: ## Some comment deb http://some.vendor.com/ubuntu precise stable deb-src http://some.vendor.com/ubuntu precise stable deb http://some.othervendor.com/ubuntu precise experimental # my current favorite I want: http://some.vendor.com/ubuntu precise stable http://some.othervendor.com/ubuntu precise experimental So I need: only lines with deb at the beginning and until the end of the line or a # character but excluding it. So far I have: grep -o "^deb .*" But how to match # or LineEnd and excluding the #?

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  • ssh + tinyproxy: poor performance

    - by Paul
    I am currently in China and I would like to still visit some blocked websites (facebook, youtube). I have VPS in the USA and I have installed tinyproxy on it. I log in on my VPS with SSH port-forwarding and I have configured my browser appropriately. Everything works more or less: I can surf to those websites but everything is inusually slow and sometimes data transfer stops abruptly. This probably has to do with the fact that I see some errors in my shell on the VPS like : channel 6: open failed: connect failed: Also in the log-file of tinyproxy I see some bad things: ERROR Sep 06 14:52:14 [28150]: getpeer_information: getpeername() error: Transport endpoint is not connected ERROR Sep 06 14:52:15 [28153]: writebuff: write() error "Connection reset by peer" on file descriptor 7 ERROR Sep 06 14:52:15 [28168]: readbuff: recv() error "Connection reset by peer" on file descriptor 7 ERROR Sep 06 14:52:15 [28151]: readbuff: recv() error "Connection reset by peer" on file descriptor 7 ERROR Sep 06 14:52:15 [28143]: readbuff: recv() error "Connection reset by peer" on file descriptor 7 ERROR Sep 06 14:52:17 [28147]: writebuff: write() error "Connection reset by peer" on file descriptor 7 ERROR Sep 06 14:52:23 [28137]: writebuff: write() error "Connection reset by peer" on file descriptor 7 ERROR Sep 06 14:52:26 [28168]: getpeer_information: getpeername() error: Transport endpoint is not connected ERROR Sep 06 14:52:27 [28186]: read_request_line: Client (file descriptor: 7) closed socket before read. ERROR Sep 06 14:52:31 [28160]: getpeer_information: getpeername() error: Transport endpoint is not connected

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  • https root webapp in jboss 5 through apache mod_proxy with ajp

    - by Jesus
    hi, i have apache 2.2.3 and jboss 5.1 installed in my server, in apache i have 2 apps in php+mysql and in jboss i have in the root app (/) liferay portal. i used mod_proxy to reach the jboss app : <VirtualHost server_ip:80> ServerName intranet.mycompany.com ProxyPreserveHost On ProxyPass / balancer://jbosscluster/ ProxyPassReverse / http://server_ip:8080 </VirtualHost> but now i have to enable https only in intranet.mycompany.com, and i dont know where configure the ssl, in apache, jboss, both. i tried in jboss in the server.xml, generating a selfsigned certificate with keytool, but apache doesnt forward to https://server_ip:8443 i will appreciate your help.

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  • ProxyPass: discard body data

    - by Kay
    I have some rules like <Location /xyz> ProxyPass http://example.com/abc ... </Location> I want to accept requests to http://mypage.lan/xyz/123 and deliver the data of http://example.com/abc/123. I need to accept POST request, but I don't want to send the body content to example.com. I would like to send a GET request, but a POST request with Content-Length: 0 would be fine, too. Is it possible, to configure Apache 2 not to promote the request body?

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  • Varnish VCL Reload Fails After Adding Second Backend

    - by Andy
    I have been running Varnish on my production server successfully for several weeks now. Now I'm trying to configure Varnish to use a second backend for certain requests. My original working VCL (/etc/varnish/default.vcl) begins like this: backend default { .host = "127.0.0.1"; .port = "8080"; } ...rest of VCL... And I'm changing it to: backend default { .host = "127.0.0.1"; .port = "8080"; } backend backend2 { .host = "12.34.56.78"; .port = "80"; } ...rest of VCL... When I reload the VCL file, I get the following: Command failed with error code 106 Failed to reload /etc/varnish/default.vcl. Any idea what the error could be, or how I can get more information on the problem?

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  • Nginx, Varnish, ESI - Will that work?

    - by Roland
    I've serveral backends (one is nginx+passenger) to combine via ESI. Since I don't want to go without gzip/deflate and SSL varnish can't do the job out of the box. So I thought about the following setup: http://img693.imageshack.us/img693/38/esinginx.png What do you think? overkill?

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  • API Management Solutions

    - by Mike
    I'm currently building an API and am looking for a tool to allow me to monitor (in a GUI) and rate limit usage. I've come across a few enterprise solutions including: http://apigee.com/ http://mashery.com/ http://www.layer7tech.com/ http://www.3scale.net/ The Apigee enterprise plan is exactly what I'm looking for but plans start at $3000 / month which is out of my price range. The other solutions are all either to expense or do not provide the solution I'm looking for. This led me to look at some open source options including: http://apiaxle.com/ https://code.google.com/p/varnish-apikey/wiki/UsageManual Varnish seems like a fairly complete solution, however I would need to build a GUI to visualise the data. My final option would to build a solution from scratch using EventMachine and ruby. Any advice?

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  • httpd.conf configuration - for internal/external access

    - by tom smith
    hey. after a lot of trail/error/research, i've decided to post here in the hopes that i can get clarification on what i've screwed up... i've got a situation where i have multiple servers behind a router/firewall. i want to be able to access the sites i have from an internal and external url/address, and get the same site. i have to use portforwarding on the router, so i need to be able to use proxyreverse to redirect the user to the approriate server, running the apache/web app... my setup the external urls joomla.gotdns.com forge.gotdns.com both of these point to my router's external ip address (67.168.2.2) (not really) the router forwards port 80 to my server lserver6 192.168.1.56 lserver6 - 192.168.1.56 lserver9 - 192.168.1.59 lserver6 - joomla app lserver9 - forge app i want to be able to have the httpd process (httpd.conf) configured on lserver6 to be able to allow external users accessing the system (foo.gotdns.com) be able to access the joomla app on lserver6 and the same for the forge app running on lserver9 at the same time, i would also like to be able to access the apps from the internal servers, so i'd need to be able to somehow configure the vhost setup/proxyreverse setup to handle the internal access... i've tried setting up multiple vhosts with no luck.. i've looked at the different examples online.. so there must be something subtle that i'm missing... the section of my httpd.conf file that deals with the vhost is below... if there's something else that's needed, let me know and i can post it as well.. thanks -tom ##joomla - file /etc/httpd/conf.d/joomla.conf Alias /joomla /var/www/html/joomla <Directory /var/www/html/joomla> </Directory> # Use name-based virtual hosting. #NameVirtualHost *:80 # NOTE: NameVirtualHost cannot be used without a port specifier # (e.g. :80) if mod_ssl is being used, due to the nature of the # SSL protocol. # VirtualHost example: # Almost any Apache directive may go into a VirtualHost container. # The first VirtualHost section is used for requests without a known # server name. #<VirtualHost *:80> # ServerAdmin [email protected] # DocumentRoot /www/docs/dummy-host.example.com # ServerName dummy-host.example.com # ErrorLog logs/dummy-host.example.com-error_log # CustomLog logs/dummy-host.example.com-access_log common #</VirtualHost> NameVirtualHost 192.168.1.56:80 <VirtualHost 192.168.1.56:80> #ServerAdmin [email protected] #DocumentRoot /var/www/html #ServerName lserver6.tmesa.com #ServerName fforge.tmesa.com ServerName fforge.gotdns.com:80 #ErrorLog logs/dummy-host.example.com-error_log #CustomLog logs/dummy-host.example.com-access_log common #ProxyRequests Off ProxyPass / http://192.168.1.81:80/ ProxyPassReverse / http://192.168.1.81:80/ </VirtualHost> <VirtualHost 192.168.1.56:80> #ServerAdmin [email protected] DocumentRoot /var/www/html/joomla #ServerName lserver6.tmesa.com #ServerName fforge.tmesa.com ServerName 192.168.1.56:80 #ErrorLog logs/dummy-host.example.com-error_log #CustomLog logs/dummy-host.example.com-access_log common #ProxyRequests Off </VirtualHost>

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  • How to configure apache and mod_proxy_ajp in order to forward ssl client certificate

    - by giovanni.cuccu
    I've developed a java application that need a ssl client certificate and in the staging environment with apache 2.2 and mod_jk it is working fine. In production the configuration is not using mod_jk but mod_proxy_ajp. I'm looking for an apache configuration example that configure ssl and mod_proxy_ajp for sending the ssl client certificate to the java application server (which listens with the ajp protocol). Thanks a lot

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  • loadbalancing with difference nginx location context and backend server context

    - by robinmag
    Hi, I used nginx and upstream module for load balancing with the following config upstream lb { server 127.0.0.1:8080; server 127.0.0.1:8081; } server { listen 88; server_name localhost; location /cas/ { proxy_pass http://lb; proxy_redirect off; proxy_connect_timeout 2; proxy_set_header Host $host; proxy_set_header X-Real-IP $remote_addr; proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for; } } the problem is the "location /context/" have to match to the context of backend server so when i request localhost/context/index.html then nginx routes it to 127.0.0.1:8080/context/index.html or 127.0.0.1:8080/context/index.html. Is it possible to have difference backend context and nginx location for example with "location /" nginx will routes the request to 127.0.0.1:8080/context/index.html or 127.0.0.1:8080/context/index.html Thank you.

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  • loadbalancing with difference nginx location context and backend context

    - by robinmag
    Hi, I used nginx and upstream module for load balancing with the following config upstream lb { server 127.0.0.1:8080; server 127.0.0.1:8081; } server { listen 88; server_name localhost; location /cas/ { proxy_pass http://lb; proxy_redirect off; proxy_connect_timeout 2; proxy_set_header Host $host; proxy_set_header X-Real-IP $remote_addr; proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for; } } the problem is the "location /context/" have to match to the context of backend server so when i request localhost/context/index.html then nginx routes it to 127.0.0.1:8080/context/index.html or 127.0.0.1:8080/context/index.html. Is it possible to have difference backend context and nginx location for example with "location /" nginx will routes the request to 127.0.0.1:8080/context/index.html or 127.0.0.1:8080/context/index.html Thank you.

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  • Varnish cached 'MISS status' object?

    - by Hesey
    My site uses nginx, varnish, jboss. And some url will be cached by varnish, it depends a response header from jboss. The first time, jboss tells varnish doesn't cache this url. Then the second request, jboss tells varnish to cache, but varnish won't cache it. I used varnishstat and found that 1 object is cached in Varnish, is that the 'MISS status' object? I remove grace code and the problem still exists. When I PURGE this url, varnish works fine and cache the url then. But I can't PURGE so much urls every startup time, how can I fix this? The configuration: acl local { "localhost"; } backend default { .host = "localhost"; .port = "8080"; .probe = { .url = "/preload.htm"; .interval = 3s; .timeout = 1s; .window = 5; .threshold = 3; } } sub vcl_deliver { if (req.request == "PURGE") { remove resp.http.X-Varnish; remove resp.http.Via; remove resp.http.Age; remove resp.http.Content-Type; remove resp.http.Server; remove resp.http.Date; remove resp.http.Accept-Ranges; remove resp.http.Connection; set resp.http.keeplive="true"; } else { if (obj.hits > 0) { set resp.http.X-Cache = "HIT"; } else { set resp.http.X-Cache = "MISS"; } } } sub vcl_recv { if(req.url ~ "/check.htm"){ error 404 "N"; } if( req.http.host ~ "store." || req.request == "POST"){ return (pipe); } if (req.backend.healthy) { set req.grace = 30s; } else { set req.grace = 10m; } set req.http.x-cacheKey = "0"; if(req.url ~ "/shop/view_shop.htm" || req.url ~ "/shop/viewShop.htm" || req.url ~ "/index.htm"){ if(req.url ~ "search=y"){ set req.http.x-cacheKey = req.http.host + "/search.htm"; }else if(req.url !~ "bbs=y" && req.url !~ "shopIntro=y" && req.url !~ "shop_intro=y"){ set req.http.x-cacheKey = req.http.host + "/index.htm"; } }else if(req.url ~ "/search"){ set req.http.x-cacheKey = req.http.host + "/search.htm"; } if( req.http.x-cacheKey == "0" && req.url !~ "/i/"){ return (pipe); } if (req.request == "PURGE") { if (client.ip ~ local) { return (lookup); } else { error 405 "Not allowed."; } } if (req.url ~ "/i/") { set req.http.x-shop-url = req.original_url; }else { unset req.http.cookie; } } sub vcl_fetch { set beresp.grace = 10m; #unset beresp.http.x-cacheKey; if (req.url ~ "/i/" || req.url ~ "status" ){ set beresp.ttl = 0s; /* ttl=0 for dynamic content */ } else if(beresp.http.x-varnish-cache != "1"){ set beresp.do_esi = true; /* Do ESI processing */ set beresp.ttl = 0s; unset beresp.http.set-cookie; } else { set beresp.do_esi = true; /* Do ESI processing */ set beresp.ttl = 1800s; unset beresp.http.set-cookie; } } sub vcl_hash { hash_data(req.http.x-cacheKey); return (hash); } sub vcl_error { if (req.request == "PURGE") { return (deliver); } else { set obj.http.Content-Type = "text/html; charset=gbk"; synthetic {"<!--ve-->"}; return (deliver); } } sub vcl_hit { if (req.request == "PURGE") { set obj.ttl = 0s; error 200 "Purged."; } } sub vcl_miss { if (req.request == "PURGE") { error 404 "N"; } }

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  • apache2 mod_proxy configuration for single threaded servers

    - by The Doctor What
    I have a multiple instances of thin running behind apache 2.2's mod_proxy. The problem I have is that a couple pages, by design, take a while to run. If I just configure apache the obvious way (just add the thin urls as BalanceMember lines and no other configurations) then what happens is if someone clicks on the long-running page, then if enough web requests happen while it is running, someone eventually gets the same thin server and has to wait. Does anyone have some best practices or suggested configuration for mod_proxy and thin? Ciao!

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  • What is the purpose of netcat's "-w timeout" option when ssh tunneling?

    - by jrdioko
    I am in the exact same situation as the person who posted another question, I am trying to tunnel ssh connections through a gateway server instead of having to ssh into the gateway and manually ssh again to the destination server from there. I am trying to set up the solution given in the accepted answer there, a ~/.ssh/config that includes: host foo User webby ProxyCommand ssh a nc -w 3 %h %p host a User johndoe However, when I try to ssh foo, my connection stays alive for 3 seconds and then dies with a Write failed: Broken pipe error. Removing the -w 3 option solves the problem. What is the purpose of that -w 3 in the original solution, and why is it causing a Broken pipe error when I use it? What is the harm in omitting it?

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  • speeding up cvs pserver over WAN

    - by Aleksandar Ivanisevic
    I have a remote location with 5 developers that are using a CVS (pserver) repository in main office via WAN, but the bandwidth i have is only a couple of hundred kbps so CVS operations are fairly slow. Is there any way to speed this up? I can rsync over a local copy of the CVS root(s) every couple of minutes, so this can handle the updates, but obviously not the commits. Is there any way to say to CVS to update from one server, but push to another one? Any other ideas?

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  • Varnish configuration to only cache for non-logged in users

    - by davidsmalley
    I have a Ruby on Rails application fronted by varnish+nginx. As most of the sites content is static unless you are a logged in user, I want to cache the site heavily with varnish when a user is logged out but only to cache static assets when they are logged in. When a user is logged in they will have the cookie 'user_credentials' present in their Cookie: header, in addition I need to skip caching on /login and /sessions in order that a user can get their 'user_credentials' cookie in the first place. Rails by default does not set a cache friendly Cache-control header, but my application sets a "public,s-max-age=60" header when a user is not logged in. Nginx is set to return 'far future' expires headers for all static assets. The configuration I have at the moment is totally bypassing the cache for everything when logged in, including static assets — and is returning cache MISS for everything when logged out. I've spent hours going around in circles and here is my current default.vcl director rails_director round-robin { { .backend = { .host = "xxx.xxx.xxx.xxx"; .port = "http"; .probe = { .url = "/lbcheck/lbuptest"; .timeout = 0.3 s; .window = 8; .threshold = 3; } } } } sub vcl_recv { if (req.url ~ "^/login") { pipe; } if (req.url ~ "^/sessions") { pipe; } # The regex used here matches the standard rails cache buster urls # e.g. /images/an-image.png?1234567 if (req.url ~ "\.(css|js|jpg|jpeg|gif|ico|png)\??\d*$") { unset req.http.cookie; lookup; } else { if (req.http.cookie ~ "user_credentials") { pipe; } } # Only cache GET and HEAD requests if (req.request != "GET" && req.request != "HEAD") { pipe; } } sub vcl_fetch { if (req.url ~ "^/login") { pass; } if (req.url ~ "^/sessions") { pass; } if (req.http.cookie ~ "user_credentials") { pass; } else { unset req.http.Set-Cookie; } # cache CSS and JS files if (req.url ~ "\.(css|js|jpg|jpeg|gif|ico|png)\??\d*$") { unset req.http.Set-Cookie; } if (obj.status >=400 && obj.status <500) { error 404 "File not found"; } if (obj.status >=500 && obj.status <600) { error 503 "File is Temporarily Unavailable"; } } sub vcl_deliver { if (obj.hits > 0) { set resp.http.X-Cache = "HIT"; } else { set resp.http.X-Cache = "MISS"; } }

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  • Passing IP address with mod_proxy

    - by Konrad Garus
    I have Apache with mod_proxy passing requests to Tomcat. The trouble is, when I get client IP address associated with a request in web app hosted on Tomcat, it always returns 127.0.0.1. Is it possible to have Apache pass the original IP address to Tomcat?

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  • install headers-more-nginx-module to existing nginx

    - by Hunt
    i have installed nginx but now i want to install headers-more-nginx-module into existing installation of nginx , so can someone tell me how to do it ? i have found following commands but it is with the new installation of nginx and then headers-more-nginx-module wget 'http://nginx.org/download/nginx-1.2.4.tar.gz' tar -xzvf nginx-1.2.4.tar.gz cd nginx-1.2.4/ # Here we assume you would install you nginx under /opt/nginx/. ./configure --prefix=/opt/nginx \ --add-module=/path/to/headers-more-nginx-module make make install currently i guess my nginx is under where the nginx.conf is placed etc/nginx

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  • How to utilize Varnish for A/B Testing and Feature Rollout?

    - by Ken
    Hi all, wasn't really sure if this should go here on or stackoverlow - admins, please move if i'm mistaken (and sorry). Today we have our web layer exposed to the world. We would like to add Varnish in front of our web layer to accelerate the site and reduce calls to the backend. However, we have some concerns and i was wondering how most people approach them: A/B Testing - How do you test two "versions" of each page and compare? I mean, how does varnish know which page to serve up? If and how do you save seperate versions on each page? Feature rollout - how would you set up a simple feature rollout mechanism? Let's say i want to open a new feature/page to just 10% of the traffic.. and then later increase that to 20%? How do you handle code deployments? Do you purge your entire varnish cache every deployment? (We have deployments on a daily basis). Or do you just let it slowly expire (using TTL)? Any ideas and examples regarding these issues is greatly appreciated! Thanks in advance. Ken.

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  • Work firewall blocking Gmail IMAP port

    - by Sean
    My work has a very over protective firewall. We use Google Apps for our email and so can access the web interface just fine. I use my laptop at work however (MacBook connected via WiFi through my AirPort Express), and prefer to use Sparrow to check my email. The problem is that our firewall blocks whatever port Gmail's IMAP server uses. I'm trying to figure out the easiest way to work around this. I'm guessing I'll need to use an SSH tunnel or VPN, but I'm looking for specific instructions. I'd prefer to only route the IMAP stuff around the firewall as opposed to using a VPN full time. I have two computers at home (one PC, one Mac Mini) that are always on and could probably act as a server if needed.

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