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• How do I install Pencil?

  - by Rich

  Pencil either runs as a Firefox extension or as a standalone application with XULRunner 1.9.2. Trying to install XULRunner: rich@rich-laptop:~/apps/pencil$ sudo apt-get install xulrunner-1.9.2 [sudo] password for rich: Reading package lists... Done Building dependency tree Reading state information... Done Package xulrunner-1.9.2 is not available, but is referred to by another package. This may mean that the package is missing, has been obsoleted, or is only available from another source E: Package 'xulrunner-1.9.2' has no installation candidate So I tried to install it using Firefox by clicking on the install button on the Pencil home page, and the .xpi file was downloaded and opened by an archive manager. Any ideas?

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• Next Fusion CRM Webinar for Partners (Monday March 19th, 3pm GMT): Fusion CRM User Interface, Activity Streams and Opportunity management

  - by Richard Lefebvre

  The next session of our weekly Fusion CRM webinar for EMEA partners will take place Monday March the 19th at 3pm GMT / 4pm CET and will address the Fusion CRM User Interface, Activity Streams and Opportunity management In order to check the complete agenda and see login-details, please visit our dedicated microsite. How to join the dedicated microsite: Click on http://isdportal.oracle.com/isd_html/sf.htm Enter your Email Address in the corresponding field Enter fusion_crm in the “Access URL/Page Token” field Agenda: The list of sessions is published and will be regularly updated in the microsite. Duration: Each session lasts up to 60 minutes Webex: The respective webinar link and session ID are published in the microsite Audio:  The audio call details (telephone numbers by country, call number and password) is indicated in the microsite Slides: For your convenience, a pdf copy of each presentation will be stored in the microsite’s document section. We hope that this series of webcasts will be instrumental to your way of Fusion CRM business success!  For further information please contact me at [email protected]

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• IValidatableObject vs Single Responsibility

  - by Boris Yankov

  I like the extnesibility point of MVC, allowing view models to implement IValidatableObject, and add custom validation. I try to keep my Controllers lean, having this code be the only validation logic: if (!ModelState.IsValid) return View(loginViewModel); For example a login view model implements IValidatableObject, gets ILoginValidator object via constructor injection: public interface ILoginValidator { bool UserExists(string email); bool IsLoginValid(string userName, string password); } It seems that Ninject, injecting instances in view models isn't really a common practice, may be even an anti-pattern? Is this a good approach? Is there a better one?

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• Importing PKCS#12 (.p12) files into Firefox From the Command Line

  - by user11165

  I’ve posted this question up on #Ubuntu and #Firefox Forums, and really could do with some help.. Anyone know where i could look or help with the answer. I’m hoping the power of social media will come through… I have a need to perform the following action: Firefox 3.6.x: Quote: open Edit - Preferences - Advanced - Encryption - View Certificates - Your Certificates - Import However i need the same functionality from the bash command line. So far I’ve established that the following command is supposed to be used: Quote: certutil -A -t “u,u,u” -d /home/df001/.mozilla/firefox/qe5y5lht.tc.default/ -n “mycert” -i client.p12 This executes with no isses, however, doesn’t show up in any Firefox Certificate store. However, I have noted that prior to running this command, i have a cert8.db key3.db and secmod.db file in the above folder. After running the command the certutil seems to have created a cert9.db, key4.db and pkcs12.txt file Listing the contents using the command: Quote: certutil -L -d sql:/home/df001/.mozilla/firefox/qe5y5lht.tc.default/ does seem to confirm my attempts of importing files into a certificate folder of some kind have worked. because i get Quote: Certificate Nickname Trust Attributes SSL,S/MIME,JAR/XPI Thawte SSL CA „ Go Daddy Secure Certification Authority „ Thawte SGC CA „ Entrust Certification Authority - L1C „ My Nero CT,C,c mynero P„ davidfield - Internet Widgits Pty Ltd u,u,u So, having tried this, and heading back over to the www, i cam across this command: Quote: pk12util -d /home/df001/.mozilla/firefox/qe5y5lht.tc.default/ -i client.p12 -n “David Field” -P “cert8.db” this again, appears to be importing something somewhere, however, again, Viewing certs from the Firefox interface doesn’t show the imported Cert. I’m surmising here on reading that the certutil and pk12util are creating a new NSS database, which firefox isn’t reading. So my question is, how can i get the p12 cert from the command line so it displays in the firefox Certificate manager interface? Why have i posted this here? Why not post on the firefox forum? Well i will copy and post the same question there as well, however the ability to use the command line to do this is important, as I have potentially 2000 machines which will need a user cert imported into firefox via a p12 file. I need to do this in the form of a script, i thought the hard part was going to be making the p12 file from the microsoft 2003 CA, turns out thats easy. I can’t just import via the GUI and copy over cert8.db x 2000, i can’t ask users to use the CA webinterface as its for VPN access, the users are off site, and they need the VPN to get to the cert server.. Is there any person out there who can help? By the way, i don't have the tor buttun installed.

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• Self hosted Netvibes alternative [on hold]

  - by Jens

  I am looking for a self-hosted alternative to part of the Netvibes functionality. It should act as feed reader, show my mail inbox, a list of bookmarks and maybe the weather forecast. I wish to move away from Netvibes since I don't care to share my browsing habit, and certainly not my mail password, with another person or company. I am certainly willing to invest some time in setup, maybe up to writing a plugin for a solution that does not fulfill all my requirements. Dou you have suggestions on where to look?

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• 8 Ways to Tweak and Configure Sudo on Ubuntu

  - by Chris Hoffman

  Like most things on Linux, the sudo command is very configurable. You can have sudo run specific commands without asking for a password, restrict specific users to only approved commands, log commands run with sudo, and more. The sudo command’s behavior is controlled by the /etc/sudoers file on your system. This command must be edited with the visudo command, which performs syntax-checking to ensure you don’t accidentally break the file. HTG Explains: What Is Windows RT and What Does It Mean To Me? HTG Explains: How Windows 8′s Secure Boot Feature Works & What It Means for Linux Hack Your Kindle for Easy Font Customization

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• Black & White screen after resuming from Suspend [Ubuntu 12.04]

  - by Rakatash

  I recently thought of giving Linux a try with Ubuntu 12.04. So far I managed to figure out how to troubleshoot and fix some of my older issues. But i wasnt able to find a problem similar to mine. The issue is, whenever my laptop starts up after suspend, the screen stays black for a short while. then after that comes a black and white 8-bit kinda screen with nothing else. I am not sure if it's an issue with the graphic card or not. because I am able to write my login password and proceed normally if i wait till this screen shows up...after that everything is displayed normally. is there a fix for this?

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• My VPS cannot send email

  - by ifdion

  Webmaster Newbie Question I have a low end vps (128MB RAM)running on Debian.I used a bash script by ilevkov to setup the site. After some trial and error, I managed to set up a WordPress on it. Just now I found out that my VPS can't send any email. I tested using the WordPress reset password email, and it shows The e-mail could not be sent. Possible reason: your host may have disabled the mail() function... After some Google session I noticed that I can send email from ssh. So I tried mail [email protected] Subject: Halo dion some message . and the result said EOT /usr/lib/sendmail: No such file or directory "/root/dead.letter" 9/243 . . . message not sent. The question How can I fix my VPS mail setting?

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• How to implement an email unsubscribe system for a site with many kinds of emails?

  - by Mike Liu

  I'm working on a website that features many different types of emails. Users have accounts, and when logged in they have access to a setting page that they can use to customize what types of emails they receive. However, I'd like to also give users an easy way to unsubscribe directly in the emails they receive. I've looked into list unsubscribe headers as well as creating some type of one click link that would unsubscribe a user from that type of email without requiring login or further action. The later would probably require me to break convention and make changes to the database in response to a GET on the link. However, am I incorrect in thinking that either of these would require me to generate and permanently store a unique identifier in my database for every email I ever send, really complicating email delivery? Without that, I'm not sure how I would be able to uniquely identify a user and a type of email in order to change their email preferences, and this identifier would need to be stored forever as a user could have an email sitting in their inbox for a long time before they decide to act on it. Alternatively, I was considering having a no-login page for managing email preferences. In contrast to above where I would need one of these identifiers for each email, this would only need one identifier per user, with no generation or other action required on sending an email. All of these raise security issues, and they could potentially be used by people to tamper with others' email preferences. This could be mitigated somewhat by ensuring that the identifier is really difficult to guess. For the once per user identifier approach, I was considering generating the identifier by passing a user's ID through some type of encryption algorithm, is this a sound approach? For the per-email identifiers, perhaps I could use a user's ID appended to the time. However, even this would not eliminate the problem entirely, as this would really just be security through obscurity, and anyone with the URL could tamper, and in the end the main defense would have to be that most people aren't so bored as to tamper with other people's email preferences. Are there any other alternatives I've missed, or issues or solutions with these that anyone can provide insight on? What are best practices in this area?

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• Can't connect to my own wifi network

  - by Nicolas

  I use ubuntu 12.04 on various differents laptops/netbooks on my home. I was able to connect to my own wifi network. But sometimes, I couldn't connect to my wifi network, it ask me for password again and again. After many tries (a lot of them), sometimes I can connect, but sometimes I can't. I have this problem with a Samsung netbook and with a HP laptop. Right now, I can't connect with the HP laptop. I'll be grateful for any help. Best regards, Nicolás

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• Is there a solution for SugarCRM that can map roles or privileges to Active Directory groups?

  - by Cory Larson

  We're presenting SugarCRM as an option to one of our clients, but they want to drive permissions within Sugar by users' AD groups. Current LDAP integration with SugarCRM only does password management. Does anybody know of a plug-in that supports this? I've searched and have not been able to find anything. Has anybody change the LDAP module code within Sugar to accommodate these features? I'd be interested in chatting with you. I apologize if this isn't on the correct site; neither serverfault nor stackoverflow seemed like the correct place. Perhaps webapps? Thanks!

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• eSTEP TechCast - November 2013

  - by Cinzia Mascanzoni

  We are pleased to announce our next eSTEP TechCast on Thursday 7th of November and would be happy if you could join. Please see below the details for the next TechCast. Date and time: Thursday, 07. November 2013, 11:00 - 12:00 GMT (12:00 - 13:00 CET; 15:00 - 16:00 GST) Title: The Operational Management benefits of Engineered Systems Abstract: Oracle Engineered Systems require significantly less administration effort than traditional platforms. This presentation will explain why this is the case, how much can be saved and discusses the best practices recommended to maximise Engineered Systems operational efficiency. Target audience: Tech Presales Call Info: Call-in-toll-free number: 08006948154 (United Kingdom) Call-in-toll-free number: +44-2081181001 (United Kingdom) Show global numbers Conference Code: 803 594 3 Security Passcode: 9876 Webex Info (Oracle Web Conference) Meeting Number: 599 156 244 Meeting Password: tech2011 Playback / Recording / Archive: The webcasts will be recorded and will be available shortly after the event in the eSTEP portal under the Events tab, where you could find also material from already delivered eSTEP TechCasts. Use your email-adress and PIN: eSTEP_2011 to get access.

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• Is there a solution for SugarCRM that can map roles or privileges to Active Directory groups?

  - by Cory Larson

  We're presenting SugarCRM as an option to one of our clients, but they want to drive permissions within Sugar by users' AD groups. Current LDAP integration with SugarCRM only does password management. Does anybody know of a plug-in that supports this? I've searched and have not been able to find anything. Has anybody change the LDAP module code within Sugar to accommodate these features? I'd be interested in chatting with you. I apologize if this isn't on the correct site; neither serverfault nor stackoverflow seemed like the correct place. Perhaps webapps? Thanks!

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• DNS records: make mydomain.com work without www

  - by brentonstrine

  I am trying to configure DNS on my domain, however, I can only get it to work with the www prefix. Right now I have the following DNS A records: @ A 123.456.789 www A 123.456.789 http://www.mydomain.com works perfectly. But http://mydomain.com fails. I've tried all of the following: mydomain.com A 123.456.789 mydomain A 123.456.789 * A 123.456.789 But it always goes to port :80 requires a username and password. Except now it's somehow being redirected to a spammers website.

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• ASP.NET WebAPI Security 4: Examples for various Authentication Scenarios

  - by Your DisplayName here!

  The Thinktecture.IdentityModel.Http repository includes a number of samples for the various authentication scenarios. All the clients follow a basic pattern: Acquire client credential (a single token, multiple tokens, username/password). Call Service. The service simply enumerates the claims it finds on the request and returns them to the client. I won’t show that part of the code, but rather focus on the step 1 and 2. Basic Authentication This is the most basic (pun inteneded) scenario. My library contains a class that can create the Basic Authentication header value. Simply set username and password and you are good to go. var client = new HttpClient { BaseAddress = _baseAddress }; client.DefaultRequestHeaders.Authorization = new BasicAuthenticationHeaderValue("alice", "alice"); var response = client.GetAsync("identity").Result; response.EnsureSuccessStatusCode();   SAML Authentication To integrate a Web API with an existing enterprise identity provider like ADFS, you can use SAML tokens. This is certainly not the most efficient way of calling a “lightweight service” ;) But very useful if that’s what it takes to get the job done. private static string GetIdentityToken() {     var factory = new WSTrustChannelFactory(         new WindowsWSTrustBinding(SecurityMode.Transport),         _idpEndpoint);     factory.TrustVersion = TrustVersion.WSTrust13;     var rst = new RequestSecurityToken     {         RequestType = RequestTypes.Issue,         KeyType = KeyTypes.Bearer,         AppliesTo = new EndpointAddress(Constants.Realm)     };     var token = factory.CreateChannel().Issue(rst) as GenericXmlSecurityToken;     return token.TokenXml.OuterXml; } private static Identity CallService(string saml) {     var client = new HttpClient { BaseAddress = _baseAddress };     client.DefaultRequestHeaders.Authorization = new AuthenticationHeaderValue("SAML", saml);     var response = client.GetAsync("identity").Result;     response.EnsureSuccessStatusCode();     return response.Content.ReadAsAsync<Identity>().Result; }   SAML to SWT conversion using the Azure Access Control Service Another possible options for integrating SAML based identity providers is to use an intermediary service that allows converting the SAML token to the more compact SWT (Simple Web Token) format. This way you only need to roundtrip the SAML once and can use the SWT afterwards. The code for the conversion uses the ACS OAuth2 endpoint. The OAuth2Client class is part of my library. private static string GetServiceTokenOAuth2(string samlToken) {     var client = new OAuth2Client(_acsOAuth2Endpoint);     return client.RequestAccessTokenAssertion(         samlToken,         SecurityTokenTypes.Saml2TokenProfile11,         Constants.Realm).AccessToken; }   SWT Authentication When you have an identity provider that directly supports a (simple) web token, you can acquire the token directly without the conversion step. Thinktecture.IdentityServer e.g. supports the OAuth2 resource owner credential profile to issue SWT tokens. private static string GetIdentityToken() {     var client = new OAuth2Client(_oauth2Address);     var response = client.RequestAccessTokenUserName("bob", "abc!123", Constants.Realm);     return response.AccessToken; } private static Identity CallService(string swt) {     var client = new HttpClient { BaseAddress = _baseAddress };     client.DefaultRequestHeaders.Authorization = new AuthenticationHeaderValue("Bearer", swt);     var response = client.GetAsync("identity").Result;     response.EnsureSuccessStatusCode();     return response.Content.ReadAsAsync<Identity>().Result; }   So you can see that it’s pretty straightforward to implement various authentication scenarios using WebAPI and my authentication library. Stay tuned for more client samples!

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• Unable to install flash plugin in Ubuntu 12.04

  - by Farhat

  Yesterday I upgraded from Ubuntu 11.10 to Ubuntu 12.04 (64 bit). The upgrade went smoothly (far more than I expected). Unfortunately, I cannot seem to install the flash plugin in either Firefox or Chrome. chrome://plugins does not show flash. I tried 19:17farhat ~$ sudo apt-get install flashplugin-installer Reading package lists... Done Building dependency tree Reading state information... Done flashplugin-installer is already the newest version. 0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded. Yet, I cannot seem to find anything related to flash on the system. 19:17farhat ~$ sudo updatedb [sudo] password for farhat: 19:17farhat ~$ locate libflashplayer.so 19:17farhat ~$ locate libflashplayer 19:17farhat ~$ locate libflash /usr/lib/libreoffice/program/libflashlo.so 19:17farhat ~$ I am at the end of everything I know. Any help will be appreciated. I have tried removing and reinstalling the package. Still the same results.

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• Question about the no-endorsment clause on the BSD license

  - by Earlz

  I'm developing a non-free library and I want to use Bcrypt.Net in it. The clause in question: Neither the name of BCrypt.Net nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission. To what extent does this mean I can't use the name of Bcrypt.Net? For instance, could I say "the only ASP.Net authentication library capable of using Bcrypt" or can I even include "supports Bcrypt for password hashing" in promotional materials? Note: I do not actually modify any of Bcrypt.Net's code

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• Correct DB details produce “Database server was not found” (Prestashop Installation)

  - by Steve

  At stage 3 of the Prestashop Installation, I enter the DB details which I know to be correct, and I receive the error: Database server was not found. Please verify the login, password, and database server name fields. The server is localhost, and I have verified the database name and username. Why can Prestashop not find the server? This occurs when choosing InnoDB and MyIsam. If I change the server from localhost to the public hostname I receive the same error.

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• How To Use Google Authenticator and Other Two-Factor Authentication Apps Without a Smartphone

  - by Chris Hoffman

  Google, Dropbox, LastPass, Battle.net, Guild Wars 2 – all these services and more offer two-factor authentication apps that work on smartphones. If you don’t have a supported device, you can run an alternative application on your computer. When you log in, you’ll need to enter a time-based code from the app. Two-factor authentication prevents people who know your password – but don’t have the app and its security key – from logging in. How To Delete, Move, or Rename Locked Files in Windows HTG Explains: Why Screen Savers Are No Longer Necessary 6 Ways Windows 8 Is More Secure Than Windows 7

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• apportcheckresume recurring error and gnome shell fixations

  - by feedyourhead

  Since installing Ubuntu 12.10 Gnome remix I encounter systemm's unpredictable and unwanted behavior. Almost after each resume from suspend (or even after unlocking the screen after it goes blank) I get apportcheckresume error and message "Ubuntu 12.10 has encountered an internal error".Many times the system event wont resume and I need to restart it. Other times log in screen is not visible, the screen is blank and i have to write my password "in blanco". Sometimes additional thing also happens - textures get messed up and background and windows get distorted by horizontal lines Sorry I can't localize the log file for the errors. My system specification: Ubuntu 12.10 3.5.0-19-generic Gnome 3.6 Thinkpad T400 Graphics Mobile Intel® GM45 Express Chipset Intel® Core™2 Duo CPU P8600

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• Can I download & Install the wallpapers from Quantal 12.10 on Precise 12.04.1?

  - by Ankit

  I was googling regarding Ubuntu 12.10 (Quantal Quetzal); pretty much liked the wallpapers. Just out of curiosity, can I install the wallpapers from a higher release (12.10) on a previous release Precise (12.04.1) without upgrading to 12.10. I have tried the following:- ankit@stream:~$ sudo apt-get install ubuntu-wallpapers-quantal [sudo] password for ankit: Reading package lists... Done Building dependency tree Reading state information... Done E: Unable to locate package ubuntu-wallpapers-quantal I have followed this post; but this for installing wallpapers from previous releases on the current release. Any ideas how can this be achieved.

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• Web Email Configuration

  - by user1378680

  I just created emails for my website from the cpanel. I then gave links to the cpanel webmail to each owner of the newly created mails. When they tried to login it returened invalid username and password combination. But on my own end they are all working very well. please what could be the problem. This is my first time of doing email configuration and cpanel in general. I will be happy to provide any information that you might need. Thank you

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• Easy user management on html site?

  - by James Buldon

  I hope I'm not asking a question for which the answer is obvious...If I am, apologies. Within my html site (i.e. not Wordpress, Joomla, etc.) I want to be able to have a level of user management. That means that some pages I want to be only accessible to certain people with the correct username and password. What's the best way to do this? Are there any available scripts out there? I guess I'm looking for a free/open source version of something like this: http://www.webassist.com/php-scripts-and-solutions/user-registration/

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• Ubuntu 12.10 & 12.04.1 LTS mouse freezing (Saitek Cyborg R.A.T.5 Mouse)

  - by Eric Dand

  I've figured it out: it's the Cyborg mouse. I'll be looking through the questions as I remember seeing something about this. I'm getting a similar issue to this fellow: Ubuntu 11.04 randomly freezes for over one minute Sometimes it comes back to life after a minute or two only to crash again. Alt-tab works, but it does not display the windows-switching animation. It just switches the focus... sometimes. Ctrl-Alt-T works, thankfully, and the terminal stays responsive long enough for me to get in a "sudo reboot now" and type my password. I'm running a fresh Wubi install on a separate HDD from my Windows install. 64-bit 12.10 12.04.1 LTS now, with an AMD FX chip, 8GB of RAM, and a Radeon HD 3850. My mouse is a Saitek Cyborg R.A.T.5 Mouse, and my keyboard is a stock Acer one that came with a PC I bought a few years ago.

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• How do I change the language via a terminal?

  - by McGee

  Using system settings I changed my language to Arabic and deleted the English language from the settings. Then the computer lagged and it logged out - now I can't log back in because the login is in Arabic. So is there a way to default my language via terminal, default the login password language, or login via terminal which is still in English. I only have access to guest and a terminal. I changed the pasword to something that could be translated into arabic http://www.psychocats.net/ubuntu/resetpassword - then loged in and used system settings to default.

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