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  • Issue with multiple bridging for KVM hosts

    - by Henry-Nicolas Tourneur
    I'm using KVM and libvirt on my host (Debian lenny) + 2 bridges per guest (one for mgmt, one for public traffic). That setup isn't stable at all, sometimes I can do pings to a management ip, sometimes not. I don't know if my bridging paramateres are correct, could you check ? or if there is anything wrong ... Please also note that interface on guest doesn't flap and that I got not logs on my host. Of course forwarding is enabled. iface eth3 inet manual auto bond0 iface bond0 inet manual slaves eth1 eth2 pre-up ip link set bond0 up down ip link set bond0 down auto br0 iface br0 inet static address 10.160.0.7 netmask 255.255.255.128 bridge_ports eth3 bridge_fd 9 bridge_hello 2 bridge_maxage 12 bridge_stp off auto br0:1 iface br0:1 inet static address 10.160.0.9 netmask 255.255.255.128 auto br0:2 iface br0:2 inet static address 10.160.0.10 netmask 255.255.255.128 auto br1 iface br1 inet static address 217.4.40.242 netmask 255.255.255.240 gateway 217.4.40.241 pre-up /etc/network/firewall start bridge_ports bond0 bridge_fd 9 bridge_hello 2 bridge_maxage 12 bridge_stp off auto br1:1 iface br1:1 inet static address 217.4.40.252 netmask 255.255.255.240 auto br1:2 iface br1:2 inet static address 217.4.40.253 netmask 255.255.255.240

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  • How do you kill a PTY.spawn call in Ruby?

    - by viatropos
    If I run a command like this, using ruby's pty class, how do I kill it if I find a certain input string? cmd = "appcfg.py update cdn" PTY.spawn("#{cmd} 2>&1") do | input, output, pid | begin input.expect("Email:") do output.write("#{credentials[:username]}\n") end input.expect("Password:") do output.write("#{credentials[:password]}\n") end if input.gets == "SOMETHING" EXIT! end rescue Exception => e puts "GAE Error..." end end What is the right way to do that?

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  • classic asp - cdonts

    - by thegunner
    I'm trying to send an email using classic asp and cdonts on a Windows Server 2003 machine. But I'm guessing the SMTP service needs to be running. Unfortunately it's asking for teh SP1 disk...which apparently has gone missing. I'm guessing not but is there any other way of doing this? Thanks,

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  • Calling data from different model in Rails

    - by Danny McClelland
    Hi Everyone, I need to be able to call data from a different model - not just one field, but any of them. At the moment I have the following models: kase person company party I can call information from the company to the kase and from the person to the kase using this: <li>Client Company Address: <span class="address"><%=h @kase.company.companyaddress %></span></li> <li>Case Handler: <span><%=h @kase.person.personname %></span></li> Those two work, however if I add the following: <li>Client Company Fax: <span><%=h @kase.company.companyfax %></span></li> <li>Case Handler Tel: <span><%=h @kase.person.personmobile %></span></li> <li>Case Handler Email: <span><%=h @kase.person.personemail %></span></li> Any idea whats wrong? Thanks, Danny EDIT: I get the following error message: NoMethodError in Kases#show Showing app/views/kases/show.html.erb where line #37 raised: You have a nil object when you didn't expect it! The error occurred while evaluating nil.personname The lines that are noted are as follows: 34: <div id="clientinfo_showhide" style="display:none"> 35: <li>Client Company Address: <span class="address"><%=h @kase.company.companyaddress %></span></li> 36: <li>Client Company Fax: <span><%=h @kase.company.companyfax %></span></li> 37: <li>Case Handler: <span><%=h @kase.person.personname %></span></li> 38: <li>Case Handler Tel: <span><%=h @kase.person.personmobile %></span></li> 39: <li>Case Handler Email: <span><%=h @kase.person.personemail %></span></li> 40: </div> The model for the kase is as follows: class Kase belongs_to :company # foreign key: company_id belongs_to :person # foreign key in join table The model for the person is as follows: class Person has_many :kases # foreign key in join table belongs_to :company The model for the company is as follows: class Company has_many :kases has_many :people def to_s; companyname; end Hope this helps!

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  • Auto submitting to cfm

    - by user337786
    I've created a form that posts to a cfm file. When running a script onLoad that fills in the form values and tries to submit...The site takes me back to the login screen. function f() { document.getElementById("email").value = "[email protected]"; document.getElementById("password").value = "asdf"; document.getElementById("form1").submit(); } Please help!

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  • Preventing DDOS/SYN attacks (as far as possible)

    - by Godius
    Recently my CENTOS machine has been under many attacks. I run MRTG and the TCP connections graph shoots up like crazy when an attack is going on. It results in the machine becoming inaccessible. My MRTG graph: mrtg graph This is my current /etc/sysctl.conf config # Kernel sysctl configuration file for Red Hat Linux # # For binary values, 0 is disabled, 1 is enabled. See sysctl(8) and # sysctl.conf(5) for more details. # Controls IP packet forwarding net.ipv4.ip_forward = 0 # Controls source route verification net.ipv4.conf.default.rp_filter = 1 # Do not accept source routing net.ipv4.conf.default.accept_source_route = 0 # Controls the System Request debugging functionality of the kernel kernel.sysrq = 1 # Controls whether core dumps will append the PID to the core filename # Useful for debugging multi-threaded applications kernel.core_uses_pid = 1 # Controls the use of TCP syncookies net.ipv4.tcp_syncookies = 1 # Controls the maximum size of a message, in bytes kernel.msgmnb = 65536 # Controls the default maxmimum size of a mesage queue kernel.msgmax = 65536 # Controls the maximum shared segment size, in bytes kernel.shmmax = 68719476736 # Controls the maximum number of shared memory segments, in pages kernel.shmall = 4294967296 net.ipv4.conf.all.rp_filter = 1 net.ipv4.tcp_syncookies = 1 net.ipv4.icmp_echo_ignore_broadcasts = 1 net.ipv4.conf.all.accept_redirects = 0 net.ipv6.conf.all.accept_redirects = 0 net.ipv4.conf.all.send_redirects = 0 net.ipv4.conf.all.accept_source_route = 0 net.ipv4.conf.all.rp_filter = 1 net.ipv4.tcp_max_syn_backlog = 1280 Futher more in my Iptables file (/etc/sysconfig/iptables ) I only have this setup # Generated by iptables-save v1.3.5 on Mon Feb 14 07:07:31 2011 *filter :INPUT ACCEPT [1139630:287215872] :FORWARD ACCEPT [0:0] :OUTPUT ACCEPT [1222418:555508541] Together with the settings above, there are about 800 IP's blocked via the iptables file by lines like: -A INPUT -s 82.77.119.47 -j DROP These have all been added by my hoster, when Ive emailed them in the past about attacks. Im no expert, but im not sure if this is ideal. My question is, what are some good things to add to the iptables file and possibly other files which would make it harder for the attackers to attack my machine without closing out any non-attacking users. Thanks in advance!

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  • Linux VLAN Bridge

    - by raspi
    I have home network with VLANs, one for LAN, one for WLAN and one for internet. I'd like to use bridging so that instead of configuring these same VLANs to every machine, they had own VLAN ID and bridges were LAN, WLAN and internet. I've tried it but for some reason keep-alive/ttl seems to get broken because SSH sessions etc suddenly disconnects. We have this same setup working in workplace for 4+ years with 100+ customers but it's custom firewall/router hardware so accessing it is impossible. I know that it runs Linux. So what is Debian/Ubuntu default network settings doing wrong or is it just NIC driver/hw problem? I've tried to mess araund with ttl etc settings without any luck. The bad stuff is happening in the bridge because current VLAN-only setup works fine. interfaces: auto lo iface lo inet loopback # The primary network interface allow-hotplug eth0 allow-hotplug eth1 iface eth0 inet static iface eth1 inet static auto vlan111 auto vlan222 auto vlan333 auto vlan444 auto br0 auto br1 auto br2 # LAN iface vlan111 inet static vlan_raw_device eth0 # WLAN iface vlan222 inet static vlan_raw_device eth0 # ADSL Modem iface vlan333 inet static vlan_raw_device eth1 # Internet iface vlan444 inet static vlan_raw_device eth0 # LAN bridge iface br0 inet static address 192.168.0.1 netmask 255.255.255.0 bridge_ports eth0.111 bridge_stp on # Internet bridge iface br1 inet static address x.x.x.x netmask x.x.x.x gateway x.x.x.x bridge_ports eth1.333 eth0.444 bridge_stp on post-up iptables -t nat -A POSTROUTING -o br1 -j MASQUERADE pre-down iptables -t nat -D POSTROUTING -o br1 -j MASQUERADE # WLAN bridge iface br2 inet static address 192.168.1.1 netmask 255.255.255.0 bridge_ports eth0.222 bridge_stp on Sysctl: net.ipv4.conf.default.forwarding=1

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  • Netsuite - how to specify record_type for getall request

    - by Dvporg
    I want to get a list of all InventoryItems According to this document: https://system.netsuite.com/help/helpcenter/en_US/Output/Help/SuiteCloudCustomizationScriptingWebServices/SuiteTalkWebServices/getAll.html I'm forming the following request: <env:Envelope xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:platformMsgs="urn:platform_2013_1.webservices.netsuite.com" xmlns:env="http://schemas.xmlsoap.org/soap/envelope/"> <env:Header> <passport> <email>******</email> <password>******</password> <account>******</account> </passport> </env:Header> <env:Body> <platformMsgs:getAll> <recordType>InventoryItem</recordType> </platformMsgs:getAll> </env:Body> </env:Envelope> But receiving response with the error: <soapenv:Envelope xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"> <soapenv:Header> <platformMsgs:documentInfo xmlns:platformMsgs="urn:messages_2013_1.platform.webservices.netsuite.com"> <platformMsgs:nsId>WEBSERVICES_969904_100920131651936419141601801_cbf1690968b43</platformMsgs:nsId> </platformMsgs:documentInfo> </soapenv:Header> <soapenv:Body> <getAllResponse xmlns="urn:platform_2013_1.webservices.netsuite.com"> <platformCore:getAllResult xmlns:platformCore="urn:core_2013_1.platform.webservices.netsuite.com"> <platformCore:status isSuccess="false"> <platformCore:statusDetail type="ERROR"> <platformCore:code>GETALL_RCRD_TYPE_REQD</platformCore:code> <platformCore:message>The getAll record type is required.</platformCore:message> </platformCore:statusDetail> </platformCore:status> </platformCore:getAllResult> </getAllResponse> </soapenv:Body> </soapenv:Envelope> I've tried to request currencies, states - the response always the same I've tried following variants: <GetAllRecordType>inventoryItem</GetAllRecordType> and <recordType>inventoryItem</recordType> and <GetAllRecordType>currency</GetAllRecordType> and <recordType>currency</recordType> with the same response: <platformCore:message>The getAll record type is required.</platformCore:message> According to https://webservices.netsuite.com/xsd/platform/v2013_2_0/coreTypes.xsd - I've specified correctly recordType (btw I've also tried without any success) I'm using ruby and there is no complete library for ruby. The one that is exists doesn't contain almost all things I'm going to use. Can someone help me what I'm doing wrong or may be someone have working example

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  • Pylons error handling

    - by TJ Huffington
    Hello, I am just getting started with Pylons and am confused as to how to account for exceptions. What is the proper way to error check user input (ensure a correct email address, check that it doesn't yet exist in the database, etc ...)? Should these checks go inside the model classes or somewhere else? Sample code would be great.

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  • Apache directory authorization bug (clicking cancel gives acces to partial content)

    - by s4uadmin
    I got a minor problem (as the site is not high priority) but still a very interesting one. I have an apache root domain wherein other sites live "/var/www/" And I have foo.example.com forwarding to "/var/www/foo-example" (wordpress site) The problem here is that when you go to foo.example.com you are prompted to enter credentials. If you hit cancel it gives you the access denied page. But when you go to the servers' direct IP (this gives you the default index page) and hit cancel when prompted for credentials it just keeps giving you the login screen, and after pressing cancel a few times more it gives (a perhaps cached) bare html part of the page. How do I prevent this from happening? Perhaps this is a bug... Even if I would block access to the root directory when going to the ip/foo-example it would still do this. And I want to keep all the directories within the www directory or at least all in the same. Thanks PS: here is my configuration: <VirtualHost *:80> DocumentRoot /var/www/wp-xxxxxxx/ ServerName beta.xxxxxxxxx.nl <Directory "/var/www/wp-xxxxxxxxx/"> Options +Indexes AuthName "xxxxxxxx Beta Site" AuthType Basic require valid-user Satisfy all AuthBasicProvider file AuthUserFile /var/www/wp-xxxxxxx/.htxxxxxxxxx order deny,allow allow from all </Directory> ServerAdmin [email protected] ServerAlias beta.xxxxxxx.nl </VirtualHost>

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  • Keepalived for more than 20 virtual addresses

    - by cvaldemar
    I have set up keepalived on two Debian machines for high availability, but I've run into the maximum number of virtual IP's I can assign to my vrrp_instance. How would I go about configuring and failing over 20+ virtual IP's? This is the, very simple, setup: LB01: 10.200.85.1 LB02: 10.200.85.2 Virtual IPs: 10.200.85.100 - 10.200.85.200 Each machine is also running Apache (later Nginx) binding on the virtual IPs for SSL client certificate termination and proxying to backend webservers. The reason I need so many VIP's is the inability to use VirtualHost on HTTPS. This is my keepalived.conf: vrrp_script chk_apache2 { script "killall -0 apache2" interval 2 weight 2 } vrrp_instance VI_1 { interface eth0 state MASTER virtual_router_id 51 priority 101 virtual_ipaddress { 10.200.85.100 . . all the way to . 10.200.85.200 } An identical configuration is on the BACKUP machine, and it's working fine, but only up to the 20th IP. I have found a HOWTO discussing this problem. Basically, they suggest having just one VIP and routing all traffic "via" this one IP, and "all will be well". Is this a good approach? I'm running pfSense firewalls in front of the machines. Quote from the above link: ip route add $VNET/N via $VIP or route add $VNET netmask w.x.y.z gw $VIP Thanks in advance. EDIT: @David Schwartz said it would make sense to add a route, so I tried adding a static route to the pfSense firewall, but that didn't work as I expected it would. pfSense route: Interface: LAN Destination network: 10.200.85.200/32 (virtual IP) Gateway: 10.200.85.100 (floating virtual IP) Description: Route to VIP .100 I also made sure I had packet forwarding enabled on my hosts: $ cat /etc/sysctl.conf net.ipv4.ip_forward=1 net.ipv4.ip_nonlocal_bind=1 Am I doing this wrong? I also removed all VIPs from the keepalived.conf so it only fails over 10.200.85.100.

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  • Control for ASP.NET that allows Global Address List (GAL) integration.

    - by jamone
    I know I can use System.DirectoryServices to roll my own GAL Name/email selector control and I've seen plenty of people explaining the basics of how to do that, but surly someone knows of one that I can download from somewhere. It just seems like a waste to have to remake it when so many people need it. Something remotely similar to Outlooks GAL Select Names dialog. It could be simpler.

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  • What's an appropriate HTTP status code to return by a REST API service for a validation failure?

    - by michaeljoseph
    I'm currently returning 401 Unauthorized whenever I encounter a validation failure in my Django/Piston based REST API application. Having had a look at the HTTP Status Code Registry I'm not convinced that this is an appropriate code for a validation failure, what do y'all recommend? 400 Bad Request 401 Unauthorized 403 Forbidden 405 Method Not Allowed 406 Not Acceptable 412 Precondition Failed 417 Expectation Failed 422 Unprocessable Entity 424 Failed Dependency Update: "Validation failure" above means an application level data validation failure ie. incorrectly specified datetime, bogus email address etc.

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  • SQLAlchemy - select for update example

    - by Mark
    I'm looking for a complete example of using select for update in SQLAlchemy, but haven't found one googling. I need to lock a single row and update a column, the following code doesn't work (blocks forever): s = table.select(table.c.user=="test",for_update=True) u = table.update().where(table.c.user=="test") u.execute(email="foo") Do I need a commit? How do I do that? As far as I know you need to: begin transaction select ... for update update commit

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  • LotusNotes as a datasource for a .net C# site

    - by AlexFreitas
    Is it possible to have a connection to LotusNotes and use it as a data source for a C# project? We use LN for email/calendar :(... and management wants a web page that would interact with the calendar. I think this can all be done within Notes, but I would much rather do it in .net. They also want some very specific functionality, some of which I'm not really sure can even be done in Notes. Cheers, -Alex

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  • Custom dynamic error pages in Ruby on Rails not working

    - by PlanetMaster
    Hi, I'm trying to implement custom dynamic error pages following this post: http://www.perfectline.co.uk/blog/custom-dynamic-error-pages-in-ruby-on-rails I did exactly what the blog post says. I included config.action_controller.consider_all_requests_local = false in my environment.rb. But is not working. My browser shows: Routing Error No route matches "/555" with {:method=>:get} So, it looks like the rescues are not fired. I get the following in my log file: ActionController::RoutingError (No route matches "/555" with {:method=>:get}): Rendering rescues/layout (not_found) Is there some routing interfering with the code? I'm not sure what to look for. I'm running rails 2.3.5. Here is the routes.rb file: ActionController::Routing::Routes.draw do |map| # routing van property-url map.connect 'buy/:property_type_plural/:province/:city/:address/:house_number', :controller => 'properties' , :action => 'show', :id => 'whatever' map.myimmonatie 'myimmonatie' , :controller => 'myimmonatie/properties', :action => 'index' map.login "login", :controller => "user_sessions", :action => "create", :conditions => {:method => :post} map.login "login", :controller => "user_sessions", :action => "new" map.logout "logout", :controller => "user_sessions", :action => "destroy" map.buy "buy", :controller => 'buy' map.sell "sell", :controller => 'sell' map.home "home", :controller => 'home' map.disclaimer "disclaimer", :controller => 'disclaimer' map.sign_up "sign_up", :controller => 'users', :action => :new map.contact "contact", :controller => 'contact' map.resources :user_sessions map.resources :contact map.resources :password_resets map.resources :messages map.resources :users, :only => [:index,:new,:create,:activate,:edit,:profile,:password] map.resources :images map.resources :activation , :only => [:new,:resend] map.resources :email map.resources :properties, :except => [:index,:destroy] map.namespace :admin do |admin| admin.resources :users admin.resources :properties admin.resources :order_items, :as => :orders admin.resources :blog_posts, :as => :blog end map.connect 'myimmonatie/:action' , :controller => 'users', :id => 'current', :requirements => {:action => /(profile)|(password)|(email)/} map.namespace :myimmonatie do |myimmonatie| myimmonatie.resources :messages, :controller => 'messages' myimmonatie.resources :password, :as => "password", :controller => 'users', :action => 'password' myimmonatie.resources :properties , :controller => 'properties' myimmonatie.resources :orders , :only => [:index,:show,:create,:new] end map.root :controller => "home" map.connect ':controller/:action' map.connect ':controller/:action/:id' map.connect ':controller/:action/:id.:format' end ActionController::Routing::Translator.translate_from_file('config','i18n-routes.yml')

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  • SEO: does google bot see text in hidden divs

    - by Alexey
    I have login/signup popups on my site which are in hidden div by default. According to http://stackoverflow.com/questions/1547426/google-seo-and-hidden-elements googlebot should NOT see it. But Google Webmaster tool says that keywords "email" and "password" are top keywords over the site. Why it is so? Why google bot sees them? Should I worry about relevancy of top keywords at all?

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  • java asynchronous task.

    - by Tony
    For some of HTTP requests from clients, there was very complex business logic in server side. Some of these business logics doesn't require to response to the client immediately, like sending a email to somebody. Can I put those tasks in an asynchronous method.

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  • How do I change the Dropbox directory on a headless GNU/Linux server?

    - by DrTwox
    I have installed Dropbox 2.0.0 via command line on my home server (Ubuntu Server 12.04) to use for off-site automated backups, but I can't change the directory that the Dropbox daemon keeps synced. I've tried the following: The official docs say to use the desktop application, which is not applicable in my situation. However I installed the desktop app on my desktop machine and changed the default folder location, but I can't find where this change is stored in the ~/.dropbox/ directory so I can make the same change on the server. This page (and several others) recommends a Python script to do the job. Looking at the script, it opens a SQLite database called ~/.dropbox/dropbox.db, which does not exist on my Dropbox install, leading me to believe the script is out-of-date. This forum thread suggests manually inserting the required row in the config.db database, which I did, but it made no difference. I checked the same database file on my desktop machine, and it does not have the dropbox_path key, so I'm presuming the information in that thread is also out of date for version 2.0. I have tried to launch the Dropbox GUI configuration wizard over SSH with X11 forwarding, as suggested in one of the answers, but the binary must detect the absence of a local X11 install and it starts a command line daemon instead, which provides no means to change the option I need. I am currently using a symlink, as suggested as an answer, but this is a kludge. I would like to know the correct way to make the change. How do I change the Dropbox directory on a headless GNU/Linux server? Update: I've ditched Dropbox and started using Copy. Their Linux tools and support is far superior to Dropbox. I leave this question here in case someone, someday, can answer it.

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