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• Ubuntu 13.10 gives "Package 'libapache2-mod-auth-mysql' has no installation candidate" error

  - by John Crawford

  I'm trying to install my LAMP environment on Ubuntu 13.10 using my script file that can be found here. That script worked for Ubuntu 12.04, Ubuntu 13.04 but when I try it on Ubuntu 13.10 it gives the following error: E: Package 'libapache2-mod-auth-mysql' has no installation candidate Any idea on how to fix this? Note, I do want this package to be installed. EDIT: I've found out now that the reason this could not be installed was because it needed the following two packages that were missing: libmysqlclient16 and apache2.2-common. Do I just need to install these packages or were they removed for a reason?

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• Linux Mint is Brilliant

  - by Simon Moon

  Most of my blog posts sound way too whiny. I'm not that guy. (Am I?) I've been using SUSE-flavored Linux for personal projects since 2002 (SUSE Linux 8.1). This past weekend, I made the heart-wrenching decision to abandon openSUSE (version 12.1) in favor of Linux Mint (version Maya). OpenSUSE had just become too burdensome. Packages that installed easily on RedHat or Debian always had issues running on top of OpenSUSE. And I never could get the Heroku Toolbelt installed in any kind of usable state.And so, ...I'm beginning again with this enticing young thing -- Mint with the Cinnamon window environment. Delicious. And while I'll always have fond memories of my years with openSUSE, I've got to admit that Mint makes running Linux feel good again. http://blog.linuxmint.com/?p=2031

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• More goodness: Scrum for Team System Migration Tool from EMC

  - by Enrique Lima

  I have always liked how SfTS works, and the functionality it offers.  In an earlier assessment I wrote of their toolset, the only issue I had encountered was the migration of environment that had been created and worked on for a while in the TFS 2008 world using SfTS 2.0 to the TFS 2010 SfTS 3.0.  There were several elements (Work Items and such) that were not moving correctly. Anyway, that is now in the past! Congratulations to Crispin Parker and Team for the release of the Migration Tool. You can see the release information and link to download here … http://www.scrumforteamsystem.com/main-news/sfts-v3-migration-tool-goes-gold

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• Java doesn't show up in firefox plugins

  - by user857990

  I've just installed the newest java, because firefox blocks the old version. I used the tutorial from http://www.backtrack-linux.org/wiki/index.php/Java_Install Because I had some trouble once, I knew that there are multiple library folders, so I linked into all mozilla plugin folders that there are. /root/.mozilla/plugins /usr/lib/firefox/plugins/ /usr/lib/firefox-addons /usr/lib/mozilla/plugins /usr/lib64/mozilla/plugins java -version returns java version "1.7.0_07" Java(TM) SE Runtime Environment (build 1.7.0_07-b10) Java HotSpot(TM) 64-Bit Server VM (build 23.3-b01, mixed mode) But when I go to firefox plugins, it's not listed. What do I need to do, so that firefox recognizes java?

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• Can I share a TV card?

  - by Boris

  My environment: 2 PCs, a desktop and a laptop, both on Oneiric they are connected together by ethernet wire nfs-common is installed and configured: the desktop is the server a TV tuner card is installed on the desktop, I can watch TV with the software Me-TV It works fine, TV on desktop, and my network too: I share folders thanks to NFS. But I would like more: How can I share my TV tuner card from the desktop and be able to watch TV on the laptop too? If possible I would like a solution that allows me to keep using the software Me-TV, on both PCs. I bet that there is a solution to create a fake TV card on the 2nd PC with xNBD. I'm trying xnbd-server --target /dev/dvb/adapter0/demux0 but I cant make it work. Trying to understand some examples of xNBD command lines, it seems to be meant only for sharing disk player. If someone as ever used xNBD, he's welcome.

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• Oracle OpenWorld Healthcare Integration Session Highlights Challenges & Solutions

  - by Nitesh Jain

  In today’s session co-presented by Steve Schenks, Integration Architect from Ascension Health and Oracle’s Sundar Shenbagam and Suresh Sharma (apparently your initials must be SS to present during this session), interesting insights in many different areas including Steve’s descriptions of the challenges with their previous environment: Disparate hardware and software is an issue common across healthcare and most other industries…Larry Ellison spoke on this topic during Sundays’ keynote address.  In the last part of session, Suresh is planning to go over some of the best practices and lesson learned to implement successful healthcare applications and will discuss the different options to model Sequencing (FIF0) use cases (one of most common use cases in the provider market). The session was “Implementing Successful Healthcare Applications with Oracle SOA Suite” – Session # CON8546. For more information about this session, please contact Senior Principal Product Manager Suresh Sharma Ref : https://blogs.oracle.com/SOA/entry/oracle_openworld_healthcare_integration_session

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• Oracle OpenWorld Healthcare Integration Session Highlights Challenges & Solutions

  - by Bruce Tierney

  In today’s session co-presented by Steve Schenks, Integration Architect from Ascension Health and Oracle’s Sundar Shenbagam and Suresh Sharma (apparently your initials must be SS to present during this session), interesting insights in many different areas including Steve’s descriptions of the challenges with their previous environment: Disparate hardware and software is an issue common across healthcare and most other industries…Larry Ellison spoke on this topic during Sundays’ keynote address. In the last part of session, Suresh is planning to go over some of the best practices and lesson learned to implement successful healthcare applications and will discuss the different options to model Sequencing (FIF0) use cases (one of most common use cases in the provider market). The session was “Implementing Successful Healthcare Applications with Oracle SOA Suite” – Session # CON8546. For more information about this session, please contact Senior Principal Product Manager Suresh Sharma

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• Security considerations for a default install?

  - by cpedros

  So with an old burned install CD of Feisty Fawn I went through the process of completely formatting the Windows OS and installing Ubuntu on an old XP laptop. I then went through the online upgrade to 10.4 LTS, only installing the gnome desktop environment package in the process. My (admittedly very open) question is that in this state and online, what security considerations do I have to immediately make for the default install? I understand that a lot of this swings on my intended use of the server, but just sitting there online what risks is it exposed to (this obviously goes far beyond the realm of linux, but I am not sure how these risks are accommodated in the default install). For example, I believe there is a firewall installed with Ubuntu but by default it allows all traffic. Any other guidelines would be much appreciated. Thanks

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• Total Cloud Control keeps getting better ! Oracle Launch Webcast : Total Cloud Control for Systems

  - by Anand Akela

  Total Cloud Control Keeps Getting Better Join Oracle Vice President of Systems Management Steve Wilson and a panel of Oracle executives to find out how your enterprise cloud can achieve 10x improved performance and 12x operational agility. Only Oracle Enterprise Manager Ops Center 12c allows you to: Accelerate mission-critical cloud deployment Unleash the power of Solaris 11, the first cloud OS Simplify Oracle engineered systems management You’ll also get a chance to have your questions answered by Oracle product experts and dive deeper into the technology by viewing our demos that trace the steps companies like yours take as they transition to a private cloud environment. Featured Speaker With a special announcement by: Steve Wilson Vice President, Systems Management, Oracle John Fowler Executive Vice President, Systems, Oracle Agenda 9:00 a.m. PT Keynote: Total Cloud Control for Systems 9:45 a.m. PT Panel Discussion with Oracle Hardware, Software, and Support Executives 10:15 a.m. PT Demo Series: A Step-by-Step Journey to Enterprise Clouds Stay connected with  Oracle Enterprise Manager   :  Twitter | Facebook | YouTube | Linkedin | Newsletter

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• ReSharper File Location

  - by Ben Griswold

  By default, the ReSharper cache is stored in the solution folder.  It’s one extra folder and one extra .user file.  It’s no big deal but it does clutter up your solution a bit – especially since the files provide no real value. I prefer to store the ReSharper cache in the system Temp folder.  This setting is available by visiting ReSharper > Options > Environment > General. Just update where you’d like to store the ReSharper cache and you’re good to go.  Note, the .user file continues to linger around the solution folder but at least the _ReSharper.SolutionName folder is moved out of sight.

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• How to install and make development use of gtk+ on Ubuntu 12.04

  - by el10780

  I want to install gtk+ in order to make an application with a graphical environment.I went to the official website of gtk(gtk.org) and I tried to follow the instructions,but I wasn't able to make it work.I think that I have successfully managed to do the whole process till the part that I had to run make install and after that ldconfig.So far so good.After that though the complete chaos.I do not know how to set all these configurations so I can make my compilers know where to look for the include files.I just want to make it work in my Ubuntu when I start making a source file and then compile it and run it.

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• How To: Use Monitoring Rules and Policies

  - by Owen Allen

  One of Ops Center's most useful features is its asset monitoring capability. When you discover an asset - an operating system, say, or a server - a default monitoring policy is applied to it, based on the asset type. This policy contains rules that specify what properties are monitored and what thresholds are considered significant. Ops Center will send a notification if a monitored asset passes one of the specified thresholds. But sometimes you want different assets to be monitored in different ways. For example, you might have a group of mission-critical systems, for which you want to be notified immediately if their file system usage rises above a specific threshold. You can do so by creating a new monitoring policy and applying it to the group. You can also apply monitoring policies to individual assets, and edit them to meet the requirements of your environment. The Tuning Monitoring Rules and Policies How-To walks you through all of these procedures.

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• Are there code reviews in opensource projects? If so, what tools are used to do this?

  - by monksy

  I know there is a big push for code reviews in commercial development. However, are code reviews used in open source software or is based on trust? If so, then how are they performed? [Is it a delayed commit, "a pre commit environment", is there a tool that allows for the patch to be sent to another dev]? Are there any projects that use code reviews? From my understanding the linux kernel is mostly based around trust of the commitor. MySQL was based on the main author's approval and the performance impact.

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• Web Site Development Software for VirtualBox Ubuntu 11.04

  - by Paul Sonier

  I'm doing some development of a website on a VirtualBox guest running Ubuntu 11.04 (host is running Windows, but I want to do the web development in a Linux environment). My development languages are primarily PHP and Javascript (using Apache and node.js). The question is this: is there a good IDE for work under these conditions that can handle running virtualized? I tried Eclipse, and was not particularly thrilled with the performance; I'm wondering if there's some other way to do this than to do all my text editing in emacs.

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• Steam-Linux behind a proxy server

  - by Karthik

  I just downloaded Steam Beta from here. I installed the package, and when I start steam, I get the following It then says, unable to connect. When I start it from the terminal, I get this error. SteamUpdater: Error: Download failed: http error 407 Since I get a 407 error, it is related to Proxy Authentication. I have set up my http_proxy, ftp_proxy, https_proxy environment variables. I am behind an authenticated proxy server. How do I get Steam working from behind a proxy server?

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• ifconfig : Command 'ifconfig' is available in '/sbin/ifconfig'

  - by Sahil Grover

  My question is related to another open question. My echo $PATH gives me an output which is like /home/sahil/.rvm/gems/ruby-1.9.3-p125/bin:/home/sahil/.rvm/gems/ruby-1.9.3-p125@global/bin:/home/sahil/.rvm/rubies/ruby-1.9.3-p125/bin:/home/sahil/.rvm/bin:/usr/local/bin:/usr/bin:/bin:/usr/games:/home/sahil/.rvm/bin{}:/home/android-sdks/{}:/home/android-sdks/platform-tools/{}:/home/android-sdks/tools/{}:/home/sahil/android-sdks/tools{}:/home/sahil/android-sdks/tools:/home/sahil/android-sdks/platform-tools/ But running ifconfig gives me an output like Command 'ifconfig' is available in '/sbin/ifconfig' The command could not be located because '/sbin' is not included in the PATH environment variable. This is most likely caused by the lack of administrative privileges associated with your user account. ifconfig: command not found after running command like given in other question export PATH="/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games" it runs ifconfig but blocks other commands of ruby rails or rvm. Seeking help how to resolve this. Also why this happens?

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• Security considerations for default install of Ubuntu

  - by cpedros

  So with an old burned install CD of Feisty Fawn I went through the process of completely formatting the Windows OS and installing Ubuntu on an old XP laptop. I then went through the online upgrade to 10.4 LTS, only installing the gnome desktop environment package in the process. My (admittedly very open) question is that in this state and online, what security considerations do I have to immediately make for the default install? I understand that a lot of this swings on my intended use of the server, but just sitting there online what risks is it exposed to (this obviously goes far beyond the realm of linux, but I am not sure how these risks are accommodated in the default install). For example, I believe there is a firewall installed with Ubuntu but by default it allows all traffic. Any other guidelines would be much appreciated. Thanks

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• Is there an established convention for separating Windows file names in a string?

  - by Heinzi

  I have a function which needs to output a string containing a list of file paths. I can choose the separation character but I cannot change the data type (e.g. I cannot return a List<string> or something like that). Wanting to use some well-established convention, my first intuition was to use the semicolon, similar to what Windows's PATH and Java's CLASSPATH (on Windows) environment variables do: C:\somedir\somefile.txt;C:\someotherdir\someotherfile.txt However, I was surprised to notice that ; is a valid character in an NTFS file name. So, is the established best practice to just ignore this fact (i.e. "no sane person should use ; in a file name and if they do, it's their own fault") or is there some other established character for separating Windows paths or files? (The pipe (|) might be a good choice, but I have not seen it used anywhere yet for this purpose.)

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• Best Practices For Database Consolidation On Exadata - New Whitepapers

  - by Javier Puerta

   Best Practices For Database Consolidation On Exadata Database Machine (Nov. 2011) Consolidation can minimize idle resources, maximize efficiency, and lower costs when you host multiple schemas, applications or databases on a target system. Consolidation is a core enabler for deploying Oracle database on public and private clouds.This paper provides the Exadata Database Machine (Exadata) consolidation best practices to setup and manage systems and applications for maximum stability and availability:Download here Oracle Exadata Database Machine Consolidation: Segregating Databases and Roles (Sep. 2011) This paper is focused on the aspects of segregating databases from each other in a platform consolidation environment on an Oracle Exadata Database Machine. Platform consolidation is the consolidation of multiple databases on to a single Oracle Exadata Database Machine. When multiple databases are consolidated on a single Database Machine, it may be necessary to isolate certain database components or functions in order to meet business requirements and provide best practices for a secure consolidation. In this paper we outline the use of Oracle Exadata database-scoped security to securely separate database management and provide a detailed case study that illustrates the best practices. Download here

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• Memory Efficient Windows SOA Server

  - by Antony Reynolds

  Installing a Memory Efficient SOA Suite 11.1.1.6 on Windows Server Well 11.1.1.6 is now available for download so I thought I would build a Windows Server environment to run it.  I will minimize the memory footprint of the installation by putting all functionality into the Admin Server of the SOA Suite domain. Required Software 64-bit JDK SOA Suite If you want 64-bit then choose “Generic” rather than “Microsoft Windows 32bit JVM” or “Linux 32bit JVM” This has links to all the required software. If you choose “Generic” then the Repository Creation Utility link does not show, you still need this so change the platform to “Microsoft Windows 32bit JVM” or “Linux 32bit JVM” to get the software. Similarly if you need a database then you need to change the platform to get the link to XE for Windows or Linux. If possible I recommend installing a 64-bit JDK as this allows you to assign more memory to individual JVMs. Windows XE will work, but it is better if you can use a full Oracle database because of the limitations on XE that sometimes cause it to run out of space with large or multiple SOA deployments. Installation Steps The following flow chart outlines the steps required in installing and configuring SOA Suite. The steps in the diagram are explained below. 64-bit? Is a 64-bit installation required?  The Windows & Linux installers will install 32-bit versions of the Sun JDK and JRockit.  A separate JDK must be installed for 64-bit. Install 64-bit JDK The 64-bit JDK can be either Hotspot or JRockit.  You can choose either JDK 1.7 or 1.6. Install WebLogic If you are using 64-bit then install WebLogic using “java –jar wls1036_generic.jar”.  Make sure you include Coherence in the installation, the easiest way to do this is to accept the “Typical” installation. SOA Suite Required? If you are not installing SOA Suite then you can jump straight ahead and create a WebLogic domain. Install SOA Suite Run the SOA Suite installer and point it at the existing Middleware Home created for WebLogic.  Note to run the SOA installer on Windows the user must have admin privileges.  I also found that on Windows Server 2008R2 I had to start the installer from a command prompt with administrative privileges, granting it privileges when it ran caused it to ignore the jreLoc parameter. Database Available? Do you have access to a database into which you can install the SOA schema.  SOA Suite requires access to an Oracle database (it is supported on other databases but I would always use an oracle database). Install Database I use an 11gR2 Oracle database to avoid XE limitations.  Make sure that you set the database character set to be unicode (AL32UTF8).  I also disabled the new security settings because they get in the way for a developer database.  Don’t forget to check that number of processes is at least 150 and number of sessions is not set, or is set to at least 200 (in the DB init parameters). Run RCU The SOA Suite database schemas are created by running the Repository Creation Utility.  Install the “SOA and BPM Infrastructure” component to support SOA Suite.  If you keep the schema prefix as “DEV” then the config wizard is easier to complete. Run Config Wizard The Config wizard creates the domain which hosts the WebLogic server instances.  To get a minimum footprint SOA installation choose the “Oracle Enterprise Manager” and “Oracle SOA Suite for developers” products.  All other required products will be automatically selected. The “for developers” installs target the appropriate components at the AdminServer rather than creating a separate managed server to house them.  This reduces the number of JVMs required to run the system and hence the amount of memory required.  This is not suitable for anything other than a developer environment as it mixes the admin and runtime functions together in a single server.  It also takes a long time to load all the required modules, making start up a slow process. If it exists I would recommend running the config wizard found in the “oracle_common/common/bin” directory under the middleware home.  This should have access to all the templates, including SOA. If you also want to run BAM in the same JVM as everything else then you need to “Select Optional Configuration” for “Managed Servers, Clusters and Machines”. To target BAM at the AdminServer delete the “bam_server1” managed server that is created by default.  This will result in BAM being targeted at the AdminServer. Installation Issues I had a few problems when I came to test everything in my mega-JVM. Following applications were not targeted and so I needed to target them at the AdminServer: b2bui composer Healthcare UI FMW Welcome Page Application (11.1.0.0.0) How Memory Efficient is It? On a Windows 2008R2 Server running under VirtualBox I was able to bring up both the 11gR2 database and SOA/BPM/BAM in 3G memory.  I allocated a minimum 512M to the PermGen and a minimum of 1.5G for the heap.  The setting from setSOADomainEnv are shown below: set DEFAULT_MEM_ARGS=-Xms1536m -Xmx2048m set PORT_MEM_ARGS=-Xms1536m -Xmx2048m set DEFAULT_MEM_ARGS=%DEFAULT_MEM_ARGS% -XX:PermSize=512m -XX:MaxPermSize=768m set PORT_MEM_ARGS=%PORT_MEM_ARGS% -XX:PermSize=512m -XX:MaxPermSize=768m I arrived at these numbers by monitoring JVM memory usage in JConsole. Task Manager showed total system memory usage at 2.9G – just below the 3G I allocated to the VM. Performance is not stellar but it runs and I could run JDeveloper alongside it on my 8G laptop, so in that sense it was a result!

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• Process, Participate, Play: Oracle BPM and SOA at Oracle OpenWorld

  - by Oracle OpenWorld Blog Team

  Oracle OpenWorld 2012 provides a unique opportunity for BPM and SOA professionals to meet industry leaders and peers, and get insight into the latest product advancements that will help their companies gain a competitive advantage.Via a variety of sessions, hands-on labs, birds-of-a-feather sessions, and demos, attendees will learn how Oracle SOA Suite, Oracle BPM Suite, and Oracle SOA Governance provide a unified and collaborative environment for design and deployment of dynamic business processes. Topics include architecture, integration, implementation, and best practices for on-premises or cloud deployments. Participants will learn how new capabilities of BPM and SOA can help their enterprises gain unprecedented visibility, agility and efficiencies.Maximize the value of attending Oracle Open World by attending sessions that best meet your needs and goals. This exciting series of SOA and BPM sessions is focused on three different audience segments. Business managers or business analysts, click here  IT executives or enterprise architects, click here Developers looking to sharpen their SOA skills, click here To stay in touch with the details and announcements for Oracle BPM Suite and Oracle SOA Suite, check out the BPM and SOA blogs.

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• SOA Suite HealthCare Integration Architecture

  - by Nitesh Jain

  Oracle SOA Suite for HealthCare integration is an integrated, best-of-breed suite that helps HealthCare organizations rapidly design and assemble, deploy and manage, highly agile and adaptable business applications.It  will help healthcare industry to  reduce operating costs and speeds time-to-market by delivering a consistent user interface, management console and monitoring environment, as well as healthcare libraries and templates for healthcare customer projects.Oracle SOA Suite for healthcare integration is fully configurable and extensible, providing a highly flexible platform for collaboration across all healthcare domains.Healthcare message standards support:    Messaging standards - HL7, HIPAA, Custom , X12N    Exchange standards - MLLP (v1.0, v2.0), TCP/IP, File, FTP, SFTP, JMSSimplified dashboards and customized reports helps users to advanced monitoring capabilities that support end-to-end healthcare message tracking.A toolkit for rapid HIPAA 5010 upgrade and compliance provides pre-defined healthcare integration mapping for HIPAA standards that is fully customizable and extensible.MLLP-HA helps easily failover and disaster recovery which makes system running on the long time without any issue.Audit keeps track of all the system changes. Alert and notification (SMS,Email etc) helps user to take the fast action and gives tracking on the real-time.

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• 6 Ways to Speed Up Your Ubuntu PC

  - by Chris Hoffman

  Ubuntu is pretty snappy out-of-the-box, but there are some ways to take better advantage of your system’s memory and speed up the boot process. Some of these tips can really speed things up, especially on older hardware. In particular, selecting a lightweight desktop environment and lighter applications can give an older system a new lease on life. That old computer that struggles with Ubuntu’s Unity desktop can provide decent performance for years to come. HTG Explains: Why You Only Have to Wipe a Disk Once to Erase It HTG Explains: Learn How Websites Are Tracking You Online Here’s How to Download Windows 8 Release Preview Right Now

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• Task ownership with Wordpress - CSS - Designer or Developer?

  - by Syed Absar

  We have a dispute regarding who owns which tasks when it comes to the CSS on our live site. Our designer argues that he is not responsible to log-in to word press and modify the css or use ftp for any changes because that's not his job description while developer argues that since it is css, it belongs to designer and that he is to update the changes to the server and then compare and correct the output. I'd like experienced people working in professional development environment to put a light on this scenario. I'm not sure if this is the right place to ask this question, or is there a separate forum for business development or project management specific questions?

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• Unable to install juju-gui locally?

  - by Maciek

  I'm attempting to setup juju-gui in a VM running Ubuntu 13.10 x64 Server. I intend to see if it's possible to deploy an openstack "all in one" node, using this method in that particular VM. I've installed and bootstrapped juju in a local environment : $sudo apt-get install juju-core $sudo apt-get install juju-local $juju switch local $sudo juju bootstrap Next I've executed the following : $juju deploy juju-gui $juju expose juju-gui $watch juju status I was expecting to see juju-gui open up some ports and become available via a web-browser but nothing like that happened - why? how do I fix that? I believe I've managed to follow the deployment guides to the letter? Are there any detailed walkthroughs regarding deploying openstack on 13.10, using juju? Cheers :)

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