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  • Methods to Manage/Document "one-off" Reports

    - by Jason Holland
    I'm a programmer that also does database stuff and I get a lot of so-called one-time report requests and recurring report requests. I work at a company that has a SQL Server database that we integrate third-party data with and we also have some third-party vendors that we have to use their proprietary reporting system to extract data in flat file format from that we don't integrate into SQL Server for security reasons. To generate many of these reports I have to query data from various systems, write small scripts to combine data from the separate systems, cry, pull my hair, curse the last guy's name that made the report before me, etc. My question is, what are some good methods for documenting the steps taken to generate these reports so the next poor soul that has to do them won't curse my name? As of now I just have a folder with subfolders per project with the selects and scripts that generated the last report but that seems like a "poor man's" solution. :)

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  • Ralink RT3060 wireless device configuration on ubuntu 12.04

    - by Stephan
    concerning How do I get a Ralink RT3060 wireless card working? I'm running Ubuntu 12.04 with a 'LWPX07 Edimax EW-7711In 150M 1T1R WL PCI Card' which has a rt3060 chip. Out of the box the card is recognized as rt2800sta. I tried solution one, that didn't work. Still the card connects to the wireless network, but it seems to slow to load any pages. Then I tried solution 2, but then the network-manager doesn't see any wireless device. $ iwconfig lo no wireless extensions. ra0 Ralink STA Link Quality:0 Signal level:0 Noise level:0 Rx invalid nwid:0 invalid crypt:0 invalid misc:0 eth0 no wireless extensions. $ lsmod Module Size Used by rt3562sta 882296 0 $ lspci -v 05:02.0 Network controller: Ralink corp. RT3060 Wireless 802.11n 1T/1R Subsystem: Edimax Computer Co. Device 7711 Flags: bus master, slow devsel, latency 64, IRQ 23 Memory at ff9f0000 (32-bit, non-prefetchable) [size=64K] Capabilities: <access denied> Kernel driver in use: rt2860 Kernel modules: rt3562sta, rt2800pci Am I missing a configuration step? How do I tell the network card which driver to use? Thanks in advance Stephan I found the problem. As described in stevens blog http://steveswinsburg.wordpress.com/2011/03/12/how-to-install-a-d-link-dwa-525-wireless-network-card-in-ubuntu-10-04/ sudo su make && make install "You need to use ‘sudo su’ and not just ‘sudo’ so it creates the directories properly." That is the problem with the solution describe above.

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  • Notes for a NetBeans IDE 7.4 HTML5 Screencast

    - by Geertjan
    I'm making a screencast that intends to thoroughly introduce NetBeans IDE 7.4 as a tool for HTML, JavaScript, and CSS developers. Here's the current outline, additions and other suggestions are welcome. Getting Started Downloading NetBeans IDE for HTML5 and PHP Examining the NetBeans installation directory, especially netbeans.conf Examining the NetBeans user directory Command line options for starting NetBeans IDE Exploring NetBeans IDE Menus and toolbars Versioning tools Options Window Go through whole Options window Change look and feels Adding themes Syntax coloring Code templates Plugin Manager and Plugin Portal Dark Look and Feel Themes Toggle line wrap Emmet HTML Tidy NetBeans Cheat Sheets Creating HTML5 projects From scratch From online template, e.g., Twitter Bootstrap From ZIP file From folder on disk From sample Editing Useful shortcuts Alt-Enter: see the current hints Alt-Shift-DOT/COMMA: expand selection (CTRL instead of Alt on Mac) Ctrl-Shift-Up/Down: copy up/down Alt-Shift-Up/Down: move up/down Alt-Insert: generate code (Lorum Ipsum) View menu | Show Non-printable Characters Source menu Show keyboard shortcut card Useful hints Surround with Tag Remove Surrounding Tag Useful code completion Link tag for CSS, show completion Script tag for JavaScript, show completion Create code templates in Options window Useful HTML Palette items Unordered List Link Useful code navigation Navigator Navigate menu Useful project settings Project-level deployment settings CSS Preprocessors (SASS/LESS) Cordova support Useful window management Dragging, minimizing, undocking Ctrl-Shift-Enter: distraction-free mode Alt-Shift Enter: maximization Debugging JavaScript debugger Deploying Embedded browser Responsive design Inspect in NetBeans mode Chrome browser with NetBeans plugin Android and iOS browsers Cordova makes native packages On device debugging On device styling Documentation PHP and HTML5 Learning Trail: https://netbeans.org/kb/trails/php.html Contributing Social Media: Twitter, Facebook, blogs Plugin Portal Planning to complete the above screencast this week, will continue editing this page as more useful features arise in my mind or hopefully in the comments in this blog entry!

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  • Host is unreacheble with static networking configuration via /etc/network/interfaces while GUI NetworkManager is ok

    - by Riccardo
    I have some trouble setting-up the network interface using the static IP configuration. I run ubuntu 12.04 kernel 3.11.0-22 with the back-ports enabled. I followed these instructions from help.ubuntu.com but there seems to exist some conflict between the GUI approach (NetworkManager) and the command line approach. $ sudo nano /etc/network/interfaces auto lo iface lo inet loopback auto eth0 iface eth0 inet static address 10.1.1.50 gateway 10.1.1.10 netmask 255.255.255.0 dns-nameservers 192.168.3.45 192.168.8.10 $ sudo /etc/init.d/networking restart I than try to ping for example google.com ping -c 3 www.google.com the response is that the host is unreachable. The icon on the top right of the desktop says: wired network disconnected. If I work using the GUI approach (Edit Connections and so on...) all works great. Can same one explain to me where I wrong? $ ifconfig eth0 eth0 Link encap:Ethernet HWaddr 90:e6:ba:07:4a:77 inet addr:10.1.1.50 Bcast:10.1.1.255 Mask:255.255.255.0 inet6 addr: fe80::92e6:baff:fe07:4a77/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:39619 errors:0 dropped:0 overruns:0 frame:0 TX packets:18520 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:19030895 (19.0 MB) TX bytes:2768769 (2.7 MB) $ netstat -rn Kernel IP routing table Destination Gateway Genmask Flags MSS Window irtt Iface 10.1.1.0 0.0.0.0 255.255.255.0 U 0 0 0 eth0 169.254.0.0 0.0.0.0 255.255.0.0 U 0 0 0 eth0

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  • Guacamole on KVM

    - by Siem Hermans
    I currently run a deployment where I provide virtual machines to circa 25 users through ESXi over the VMWare WSX web portal. This works, no doubt about it, it is fast, stable and reliable enough for the end users. However I stumbled across the Guacamole project (Link: http://guac-dev.org/) and the KVM project (Link: http://www.linux-kvm.org/). I must say I am no genius when it comes to Linux but I am interested in replacing the ESXi and WSX combination with a Guacamole and KVM deployment. I have seen people across the internet use ESXi in combination with Guacamole (mostly prior to the release of WSX), but I have yet to see someone use it in conjunction with KVM. Considering my amount of knowledge on Linux in general I would like to ask: Is it possible at all to combine the two?

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  • prevent filesystem from entering read-only mode

    - by user788171
    I have found that my server's filesystem is continuously entering read-only mode. There have been some issues with the raid1 array, but I have removed the bad disk from the array. However, it is still physically plugged into the system because I haven't had a chance to go over to the datacentre, I suspect udev and the system kernel is still picking up the bad disk and throwing errors. In /var/log/messages, there are errors like this: Mar 2 06:53:14 nocloud kernel: ata1: exception Emask 0x10 SAct 0x0 SErr 0x4010000 action 0xe frozen Mar 2 06:53:14 nocloud kernel: ata1: irq_stat 0x00400040, connection status changed Mar 2 06:53:14 nocloud kernel: ata1: SError: { PHYRdyChg DevExch } Mar 2 06:53:14 nocloud kernel: ata1: hard resetting link Mar 2 06:53:20 nocloud kernel: ata1: link is slow to respond, please be patient (ready=0) Mar 2 06:53:21 nocloud kernel: ata1: SATA link up 3.0 Gbps (SStatus 123 SControl 300) Mar 2 06:53:21 nocloud kernel: ata1.00: configured for UDMA/133 Mar 2 06:53:21 nocloud kernel: ata1: EH complete This happens fairly randomly throughout the day until eventually the filesystem becomes read-only. When this happens, my system becomes non-operational which kind of defeats the purpose of having a raid1. Note, ata1 is the bad disk (I think ata1 corresponds to /dev/sda because they are both first in line). Under mdadm, /dev/sda1,2 is no longer being used, but I can't prevent the system kernel from continuing to query that disk when I am no longer using it and throwing these errors. Is there a way to prevent my filesystem from automatically going into read-only mode? Furthermore, is it safe to do so? Thanks in advance. EDIT: Additional information: output from cat /proc/mdstat md1 : active raid1 sdb2[1] 976554876 blocks super 1.1 [2/1] [_U] bitmap: 5/8 pages [20KB], 65536KB chunk md0 : active raid1 sdb1[1] 204788 blocks super 1.0 [2/1] [_U] Output from mount: /dev/mapper/VolGroup-LogVol00 on / type ext4 (rw,noatime) proc on /proc type proc (rw) sysfs on /sys type sysfs (rw) devpts on /dev/pts type devpts (rw,gid=5,mode=620) tmpfs on /dev/shm type tmpfs (rw,rootcontext="system_u:object_r:tmpfs_t:s0") /dev/md0 on /boot type ext4 (rw) none on /proc/sys/fs/binfmt_misc type binfmt_misc (rw) sunrpc on /var/lib/nfs/rpc_pipefs type rpc_pipefs (rw) EDIT2: pvdisplay output: --- Physical volume --- PV Name /dev/md1 VG Name VolGroup PV Size 931.32 GiB / not usable 2.87 MiB Allocatable yes (but full) PE Size 16.00 MiB Total PE 59604 Free PE 0 Allocated PE 59604

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  • Make Firefox left-click open in current tab, and middle-click open in new tab

    - by endolith
    I'm sick of the inconsistent behavior of clicking on links in Firefox. I want control of where they open up. If I'm done with a page and want to replace it with the link I am clicking, I left-click. If there are things I want to look at in the future, but I'm not done with this page yet, I'll middle-click. This normally works, but there are exceptions. If the website designer uses target="_blank", my left-click is overridden and the link opens in a new tab/window. If the links are javascript, a middle-click rarely works. I get an (Untitled) tab with some javascript as the URL. etc. How do I fix these things and get consistent clicking on links?

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  • Read Wall Street Journal for free using Google Search

    - by Gopinath
    Wall Street Journal publishes very informative articles and most of them are available for paid subscribers. But it is very easy to defeat the pay wall of Wall Street Journal and read the articles for free with the help of Google. The trick is to Google for Wall Street Journal article and click the link displayed on search results to read the article for free. It’s very simple and easy if you are using Google Chrome browser, but it should be straight forward in Firefox and Internet Explorer. Here is a walk through of unlocking today’s Wall Street Journal paid article   1. When you are on online.wsj.com, select the title of subscribers only article you want to read 2. Right on the selected title and choose the option Search Google for “<article title>” 3. Locate the WSJ article on Google search results and click on the article link   4. Boom! You got full access to the article and enjoy reading it for free.   I’ve been using this trick for a while from US to access WSJ articles for free. Most likely this should work for users located outside USA as well.

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  • Fast programmatic compare of "timetable" data

    - by Brendan Green
    Consider train timetable data, where each service (or "run") has a data structure as such: public class TimeTable { public int Id {get;set;} public List<Run> Runs {get;set;} } public class Run { public List<Stop> Stops {get;set;} public int RunId {get;set;} } public class Stop { public int StationId {get;set;} public TimeSpan? StopTime {get;set;} public bool IsStop {get;set;} } We have a list of runs that operate against a particular line (the TimeTable class). Further, whilst we have a set collection of stations that are on a line, not all runs stop at all stations (that is, IsStop would be false, and StopTime would be null). Now, imagine that we have received the initial timetable, processed it, and loaded it into the above data structure. Once the initial load is complete, it is persisted into a database - the data structure is used only to load the timetable from its source and to persist it to the database. We are now receiving an updated timetable. The updated timetable may or may not have any changes to it - we don't know and are not told whether any changes are present. What I would like to do is perform a compare for each run in an efficient manner. I don't want to simply replace each run. Instead, I want to have a background task that runs periodically that downloads the updated timetable dataset, and then compares it to the current timetable. If differences are found, some action (not relevant to the question) will take place. I was initially thinking of some sort of checksum process, where I could, for example, load both runs (that is, the one from the new timetable received and the one that has been persisted to the database) into the data structure and then add up all the hour components of the StopTime, and all the minute components of the StopTime and compare the results (i.e. both the sum of Hours and sum of Minutes would be the same, and differences introduced if a stop time is changed, a stop deleted or a new stop added). Would that be a valid way to check for differences, or is there a better way to approach this problem? I can see a problem that, for example, one stop is changed to be 2 minutes earlier, and another changed to be 2 minutes later would have a net zero change. Or am I over thinking this, and would it just be simpler to brute check all stops to ensure that The updated run stops at the same stations; and Each stop is at the same time

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  • Thoughts on iPhone, Flash, IE

    - by guybarrette
    It’s interesting to see the debate caused by the iPhone debate over Flash.  In the new version of the iPhone Developer Program License Agreement, Apple bans Flash and Monotouch: 3.3.1 — Applications may only use Documented APIs in the manner prescribed by Apple and must not use or call any private APIs. Applications must be originally written in Objective-C, C, C++, or JavaScript as executed by the iPhone OS WebKit engine, and only code written in C, C++, and Objective-C may compile and directly link against the Documented APIs (e.g., Applications that link to Documented APIs through an intermediary translation or compatibility layer or tool are prohibited). In Adobe’s last SEC filing, they list the iPhone/iPad as a threat to their business. http://www.sec.gov/Archives/edgar/data/796343/000079634310000007/form_10q.htm#riskfactors We offer our desktop application-based products primarily on Windows and Macintosh platforms. We generally offer our server-based products on the Linux platform as well as the Windows and UNIX platforms. To the extent that there is a slowdown of customer purchases of personal computers on either the Windows or Macintosh platform or in general, to the extent that we have difficulty transitioning product or version releases to new Windows and Macintosh operating systems, or to the extent that significant demand arises for our products or competitive products on other platforms before we choose and are able to offer our products on these platforms our business could be harmed. Additionally, to the extent new releases of operating systems or other third-party products, platforms or devices, such as the Apple iPhone or iPad, make it more difficult for our products to perform, and our customers are persuaded to use alternative technologies, our business could be harmed. I had a conversation recently about IE9 and people were asking why is Microsoft spending money and resources to build IE9 now that we have Silverlight.  It makes just no sense to put so much efforts to support HTML 5 in IE because it’s overlapping with Silverlight, no?  Well, what if Chrome became the dominant browser and all of a sudden, Google would remove the object tag?  Would Microsoft be in the same position as Adobe is right now on the iPhone? What do you think? var addthis_pub="guybarrette";

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  • Short Look at Frends Helium 2.0 Beta

    - by mipsen
    Pekka from Frends gave me the opportunity to have a look at the beta-version of their Helium 2.0. For all of you, who don't know the tool: Helium is a web-application that collects management-data from BizTalk which you usually have to tediously collect yourself, like performance-data (throttling, throughput (like completed Orchestrations/hour), other perfomance-counters) and data about the state of BTS-Applications and presents the data in clearly structured diagrams and overviews which (often) even allow drill-down.  Installing Helium 2 was quite easy. It comes as an msi-file which creates the web-application on IIS. Aditionally a windows-service is deployt which acts as an agent for sending alert-e-mails and collecting data. What I missed during installation was a link to the created web-app at the end, but the link can be found under Program Files/Frends... On the start-page Helium shows two sections: An overview about the BTS-Apps (Running?, suspended messages?) Basic perfomance-data You can drill-down into the BTS-Apps further, to see ReceiveLocations, Orchestrations and SendPorts. And then a very nice feature can be activated: You can set a monitor to each of the ports and/or orchestrations and have an e-mail sent when a threshold of executions/day or hour is not met. I think this is a great idea. The following screeshot shows the configuration of this option. Conclusion: Helium is a useful monitoring  tool for BTS-operations that might save a lot of time for collecting data, writing a tool yourself or documentation for the operations-staff where to find the data. Pros: Simple installation Most important data for BTS-operations in one place Monitor for alerts, if throughput is not met Nice Web-UI Reasonable price Cons: Additional Perormance-counters cannot be added Im am not sure when the final version is to be shipped, but you can see that on Frend's homepage soon, I guess... A trial version is available here

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  • Google-Chrome 10 stable crash on every page

    - by Achu
    I installed google-chrome today, when i open any page including askubuntu i got this error message. i see my memory usage is normal(Memory 56% and swap 4.8%) also I reload and i go to another page same problem What is the problem? the last dmesg output [26612.341865] lo: Disabled Privacy Extensions [29651.852476] chrome[15472] general protection ip:1528e26 sp:7fff514a9dc0 error:0 in chrome[400000+3082000] [31447.190586] [UFW BLOCK] IN=eth1 OUT= MAC=00:1c:25:a1:e7:67:00:16:3e:28:5a:b7:08:00 SRC=172.23.100.6 DST=172.23.20.128 LEN=69 TOS=0x00 PREC=0x00 TTL=128 ID=15939 PROTO=UDP SPT=4243 DPT=161 LEN=49 [31451.250190] [UFW BLOCK] IN=eth1 OUT= MAC=00:1c:25:a1:e7:67:00:16:3e:28:5a:b7:08:00 SRC=172.23.100.6 DST=172.23.20.128 LEN=69 TOS=0x00 PREC=0x00 TTL=128 ID=16180 PROTO=UDP SPT=4243 DPT=161 LEN=49 [31454.260150] [UFW BLOCK] IN=eth1 OUT= MAC=00:1c:25:a1:e7:67:00:16:3e:28:5a:b7:08:00 SRC=172.23.100.6 DST=172.23.20.128 LEN=69 TOS=0x00 PREC=0x00 TTL=128 ID=16322 PROTO=UDP SPT=4243 DPT=161 LEN=49 [31458.648164] [UFW BLOCK] IN=eth1 OUT= MAC=00:1c:25:a1:e7:67:00:16:3e:28:5a:b7:08:00 SRC=172.23.100.6 DST=172.23.20.128 LEN=69 TOS=0x00 PREC=0x00 TTL=128 ID=16513 PROTO=UDP SPT=4243 DPT=161 LEN=49 [33124.300112] lo: Disabled Privacy Extensions [33601.021406] Skipping EDID probe due to cached edid [34594.043501] chrome[15746]: segfault at 0 ip 0000000000d5cdd0 sp 00007fff5149ec20 error 6 in chrome[400000+3082000] [34597.395334] chrome[18112] general protection ip:17c85bf sp:7fff514aa4f0 error:0 in chrome[400000+3082000] [34616.786643] chrome[18124]: segfault at 1007 ip 00000000017c849f sp 00007fff514aabd0 error 4 in chrome[400000+3082000] [37277.436207] lo: Disabled Privacy Extensions [38549.501390] e1000e: eth1 NIC Link is Down [38551.122253] e1000e: eth1 NIC Link is Up 100 Mbps Full Duplex, Flow Control: RX/TX [38551.122263] e1000e 0000:00:19.0: eth1: 10/100 speed: disabling TSO

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  • New Options for MySQL High Availability

    - by Mat Keep
    Data is the currency of today’s web, mobile, social, enterprise and cloud applications. Ensuring data is always available is a top priority for any organization – minutes of downtime will result in significant loss of revenue and reputation. There is not a “one size fits all” approach to delivering High Availability (HA). Unique application attributes, business requirements, operational capabilities and legacy infrastructure can all influence HA technology selection. And then technology is only one element in delivering HA – “People and Processes” are just as critical as the technology itself. For this reason, MySQL Enterprise Edition is available supporting a range of HA solutions, fully certified and supported by Oracle. MySQL Enterprise HA is not some expensive add-on, but included within the core Enterprise Edition offering, along with the management tools, consulting and 24x7 support needed to deliver true HA. At the recent MySQL Connect conference, we announced new HA options for MySQL users running on both Linux and Solaris: - DRBD for MySQL - Oracle Solaris Clustering for MySQL DRBD (Distributed Replicated Block Device) is an open source Linux kernel module which leverages synchronous replication to deliver high availability database applications across local storage. DRBD synchronizes database changes by mirroring data from an active node to a standby node and supports automatic failover and recovery. Linux, DRBD, Corosync and Pacemaker, provide an integrated stack of mature and proven open source technologies. DRBD Stack: Providing Synchronous Replication for the MySQL Database with InnoDB Download the DRBD for MySQL whitepaper to learn more, including step-by-step instructions to install, configure and provision DRBD with MySQL Oracle Solaris Cluster provides high availability and load balancing to mission-critical applications and services in physical or virtualized environments. With Oracle Solaris Cluster, organizations have a scalable and flexible solution that is suited equally to small clusters in local datacenters or larger multi-site, multi-cluster deployments that are part of enterprise disaster recovery implementations. The Oracle Solaris Cluster MySQL agent integrates seamlessly with MySQL offering a selection of configuration options in the various Oracle Solaris Cluster topologies. Putting it All Together When you add MySQL Replication and MySQL Cluster into the HA mix, along with 3rd party solutions, users have extensive choice (and decisions to make) to deliver HA services built on MySQL To make the decision process simpler, we have also published a new MySQL HA Solutions Guide. Exploring beyond just the technology, the guide presents a methodology to select the best HA solution for your new web, cloud and mobile services, while also discussing the importance of people and process in ensuring service continuity. This is subject recently presented at Oracle Open World, and the slides are available here. Whatever your uptime requirements, you can be sure MySQL has an HA solution for your needs Please don't hesitate to let us know of your HA requirements in the comments section of this blog. You can also contact MySQL consulting to learn more about their HA Jumpstart offering which will help you scope out your scaling and HA requirements.

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  • links for 2011-01-06

    - by Bob Rhubart
    Coming to your town: Oracle Enterprise Cloud Summit During these full-day events, cloud experts will share real-world best practices, reference architectures, detailed customer case studies, and more. Events scheduled in cities around the world.  (tags: oracle otn cloud event) Webcast: Security and Compliance for Private Cloud Consolidation Roxana Bradescu, Senior Director for Oracle Database Security Products, discusses Oracle Database Security Solutions to securely consolidate data and meet compliance requirements within private cloud computing environments. Thursday, January 13, 2011. 10am PST | 1pm EST (tags: oracle cloud security) Answering Questions about Mobile Devices | The AppsLab "How do the numbers of Android and iOS users compare? How often are people switching? Where are all these BlackBerry and Nokia users? Do they plan to jump to Android or iOS? What about webOS? Is it relevant?" Some answers in this AppsLab survey. (tags: oracle otn enterprise2.0 mobilecomputing iphone blackberry android) Webcast: Achieve 24/7 Cloud Availability Without Expensive Redundancy Ashish Ray and Matthew Baier discuss Oracle’s Maximum Availability Architecture and Oracle Database 11g. (tags: oracle cloud highavailability webcast) Converting a PV vm back into an HVM vm (Wim Coekaerts Blog) "I wanted to convert one of my VMs that was based on a paravirt kernel into a vm that just boots as a regular hardware virt VM with a standard x86-64 kernel...It took me a little while to figure out the fastest way so now that I have it pretty much down I wanted to share the steps." - Wim Coekaerts (tags: oracle otn virtualization oraclevm) @OTN_Garage: Resources for VirtualBox 4.0 Rick "@OTN_Garage" Ramsey shares links to several resources for those with a VirtualBox jones. (tags: oracle otn virtualization virtualbox) 'Federal Service Bus' Helps Belgian Government Speak a Common Language - SOA in Action Blog "The first SOA-enabled application was developed in less than two months and was fully operational in approximately 10 weeks. In addition, new FSB modules are reusable for other Belgian e-government applications, saving both time and taxpayer dollars." - Joe McKendrick (tags: soa oracle) Show Notes: Architects in the Cloud (ArchBeat Podcast) The complete 4-part interview with Stephen G. Bennett and Archie Reed, the authors of "Silver Clouds, Dark Linings: A Concise Guide to Cloud Computing," is now available. (tags: oracle otn cloud podcast archbeat)

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  • KScope - so much going on!

    - by jgelhaus
    Greetings from Kscope 11!  We are enjoying catching up with old friends as well as meeting new ones. There's so many excellent examples of superior development with Oracle Database all over the conference.  Our users never cease to amaze us. There are too many to mention in this short area, but a few highlights include: Monday night's Guru Panel of Tom Kyte, Steve Feuerstein and Cary Millsap ODTUG Board member Monty Latiolais interview with Oracle vp of Database Development, Mike Hichwa Fabulous time aboard the Queen Mary!! See all the Kscope videos As the conference winds down, we thank everyone (wonderful planning and conference execution) as well as bid our goodbyes.  It's just for a short while as we make plans to attend Kscope12 - see ya'll in San Antonio!

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  • Heterogén adatelérés OWB-vel: ODI EE Enterprise ETL

    - by Fekete Zoltán
    Az elozo ketto blogbejegyzéshez kapcsolódva felmerül a kérdés: Hogyan lehet az Oracle Warehouse Builderrel heterogén adatforrásokat elérni? Ajánlott olvasmány: Oracle Warehouse Builder 11gR2: OWB ETL Using ODI Knowledge Modules Természetesen az OWB az Oracle Database Heterogeneous Services-zel ODBC-vel illetve Oracle Gateway-k alkalmazásával eddig is lehetett mindenféle ODBC kompatibilis továbbá mainframe-es adatbázisokat elérni. Oracle Database Gateways: MS SQL Server, Sybase, Teradata, Informix, ODBC, DRDA, APPC, WebSphere MQ, DB2, DB2/400. A megfelelo Application Adapters megvásárlásával lehet csatlakozni az OWB-vel például a következo forrásokhoz: SAP, Oracle E-Business Suite, Peoplesoft, Siebel, Oracle Customer Data Hub (CDH), Universal Customer Master (UCM), Product Information Management (PIM). Az OWB 11gR2-tol kezdve az OWB tudja használni az Oracle Data Integrator Knowledge moduljait a heterogén adatelérésre, ez JDBC-vel illetve más heterogén elérési módokkal. Ajánlott olvasmány: Oracle Warehouse Builder 11gR2: OWB ETL Using ODI Knowledge Modules Letöltés: Oracle Warehouse Builder. BTW az OWB Java-s kliens szoftver Linux-on és Windows-on is használható. A szerver oldal pedig természetesen az Oracle adatbázisban fut: Solaris, Linux, HP-UX, AIX, Windows operációs rendszereken.

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  • Securing User Account Details with MySQL

    - by Antoinette O'Sullivan
    Keeping user account details secure is always at the forefront of a Database Administrator's mind. However, users want to get up and running as soon as possible without complex login procedures. You can learn more about this and many other topics in the MySQL for Database Administrator course. For example, MySQL 5.6.6 introduced a new utility: mysql_config_editor, which makes secure access via MySQL client applications much easier to establish, while still providing a good measure of security. The mysql_config_editor stores a user's authentication details in an encrypted login file called mylogin.cnf. This login file is readable and writable for the user who invokes the utility, and invisible to everyone else. You can use it to collect all your hard-to-remember server locations and paswords safe in the knowledge that your passwords are never invoked using clear text. The MySQL for Database Administrators course is a 5-day instructor-led course which is available as a: Training-on-Demand: Start training within 24 hours of registration, following lecture material at your own pace through streaming video and booking time on a lab environment to suit your schedule. Live-Virtual Event: Attend a live event from your own desk, choosing from a selection of events on the schedule to suit different timezones. In-Class Event: Travel to an education center to attend this course. Below is a selection of the events already on the schedule. Location  Date  Delivery Language  Brisbane, Australia  18 August 2014  English  Brussels, Belgium  25 August 2014  English  Sao Paulo, Brazil  2 June 2014  Brazilian Portuguese  Cairo, Egypt  28 September 2014  Arabic  London, England  14 July 2014  English  Belfast, Ireland  15 September 2014  English  Dublin, Ireland  29 September 2014  English  Rome, Italy  16 June 2014  Italian  Seoul, Korea  9 June 2014  Korean  Petaling Jaya, Malaysia  16 June 2014  English  Utrecht, Netherlands  25 August 2014  English  Edinburgh, Scotland  26 June 2014  English  Madrid, Spain  6 October 2014  Spanish  Tunis, Tunisia  27 October 2014  French  Istanbul, Turkey  14 July 2014  Turkish To register for an event, request an additional event or learn more about the authentic MySQL curriculum, go to http://education.oracle.com/mysql. To read more about MySQL security, consult the MySQL Reference Manual - http://dev.mysql.com/doc/refman/5.6/en/security.html.

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  • Is Zscalar's HTTPS Everywhere for IE affiliated with EFF?

    - by noloader
    The Electronic Frontier Foundation has a tool called HTTPS Everywhere for Firefox, Chrome and Opera. But they don't list Internet Explorer. There is a company called Zscalar that provides HTTPS Everywhere for Internet Explorer. I can't determine if the EFF approves of Zscalar's IE extension, or if the company hijacked the EFF tool's name. The only mention of Zscalar on the EFF website is the HTTPS Everywhere Atlas. The closest I can find from Zscalar are link backs on the Zscalar website and a Zscalar PDF that points back to the EFF website. The EFF tool is free, open source and can be audited, but I don't see similar governance for Zscalar's tool. For example, I don't see mention of source code at HTTPS Everywhere for Internet Explorer. And it looks like there's a "Free Trial" for HTTPS Everywhere for Internet Explorer (see the link on the right). Is Zscalar's HTTPS Everywhere for IE affiliated with EFF?

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  • What's constitute an entry on the IPTables and how to find out which client it is originated from

    - by cbd
    I have a Billion BiPac 7700N Modem/Router/Access Point and I connect another router (TP-Link TL-WR1043ND) in wan-bypass mode to extend the wireless coverage. Lately, I noticed that the connection through TP-Link has been dropping out quite regularly. Having read some posts on the Internet, I checked system log on 7700N and found that there are many "nf_conntract: expectation table full" errors, which I suppose the iptables are full. My questions: What does constitute an entry on the iptable? Is it a client or a connection (which means one client can have multiple connections) How could I find out where are those connections originated from? Note: Many reported that the issue is usually related to having torrents running but I don't have any torrents running. Thank you.

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  • Connecting to localhost resolves 127.0.0.1 but connects with external IP [Linux, Debian]

    - by skgsergio
    I'm having a problem with a dedicated server, I don't known if it's the default behavior but this is the problem: If I connect to a service located on the server with localhost the service gets as source IP the external IP. Let me show an example, I use netcat for listening on 127.0.0.1:4444 xxxxxx # nc -vv -l -s 127.0.0.1 -p 4444 listening on [127.0.0.1] 4444 ... Lets check if it's ok: xxxxxx ~ # netstat -atnp | grep 4444 tcp 0 0 127.0.0.1:4444 0.0.0.0:* LISTEN 14038/nc Ok lets connect: xxxxxx ~ # nc -vv 127.0.0.1 4444 localhost [127.0.0.1] 4444 (?) open Return to the tty that have the listening process and I get this: connect to [127.0.0.1] from xxxxxx.net [176.31.xxx.xx] 50354 So that's the problem. I have a server daemon that have to listen on localhost and checks that the ip is 127.0.0.1 when the client connects but for some reason when I connect to localhost it reports the external ip... If I do the same with IPv6 it works as excepted... Detects connection as localhost (::1). Some info that can be useful: "localhost" resolves without problems to 127.0.0.1 xxxxxx ~ # ping -c1 localhost PING localhost (127.0.0.1) 56(84) bytes of data. 64 bytes from localhost (127.0.0.1): icmp_req=1 ttl=64 time=0.086 ms Nothing weird on my hosts file, I think... xxxxxx ~ # grep -v ^# /etc/hosts 127.0.0.1 localhost localhost.localdomain 176.31.xxx.xx xxxxxx.net ns1.xxxxxx.net ::1 ip6-localhost ip6-loopback feo0::0 ip6-localnet ff00::0 ip6-mcastprefix ff02::1 ip6-allnodes ff02::2 ip6-allrouters ff02::3 ip6-allhosts And ifconfig reports all ok... eth0 Link encap:Ethernet HWaddr e0:69:95:d8:30:a1 inet addr:176.31.xxx.xx Bcast:176.31.108.255 Mask:255.255.255.0 inet6 addr: 2001:41d0:8:xxxx::/64 Scope:Global inet6 addr: 2001:41d0:8:xxxx:x:xx:xx:xx/64 Scope:Global inet6 addr: fe80::e269:95ff:fed8:30a1/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:16916 errors:0 dropped:0 overruns:0 frame:0 TX packets:16914 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:8410679 (8.0 MiB) TX bytes:10539881 (10.0 MiB) Interrupt:28 Base address:0xe000 lo Link encap:Local Loopback inet addr:127.0.0.1 Mask:255.0.0.0 inet6 addr: ::1/128 Scope:Host UP LOOPBACK RUNNING MTU:16436 Metric:1 RX packets:5570 errors:0 dropped:0 overruns:0 frame:0 TX packets:5570 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 RX bytes:744490 (727.0 KiB) TX bytes:744490 (727.0 KiB)

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  • Oracle E-Business Suite 12 Certified on Additional Linux Platforms

    - by John Abraham
    As a follow up to our original certification announcement regarding Oracle Linux 6, Oracle E-Business Suite Release 12 (12.1.1 and higher) is now certified on the following additional Linux x86/x86-64 operating systems: Oracle Linux 6 (32-bit) Red Hat Enterprise Linux 6 (32-bit) Red Hat Enterprise Linux 6 (64-bit) Novell SUSE Linux Enterprise Server (SLES) version 11 (64-bit) New installations of the E-Business Suite on these operating systems require version 12.1.1 of the Release 12 media.  Cloning of existing 12.1 Linux environments to this new OS is also certified using the standard Rapid Clone process. There are specific requirements to upgrade technology components such as the Oracle Database (to 11gR2) and Fusion Middleware as necessary. These and other requirements are noted in the Installation and Upgrade Notes (IUN) below. References Oracle E-Business Suite Installation and Upgrade Notes Release 12 (12.1.1) for Linux x86-64 (My Oracle Support Document 761566.1) Oracle E-Business Suite Installation and Upgrade Notes Release 12 (12.1.1) for Linux x86 (My Oracle Support Document 761564.1) Cloning Oracle Applications Release 12 with Rapid Clone (My Oracle Support Document 406982.1) Interoperability Notes Oracle E-Business Suite Release 12 with Oracle Database 11g Release 2 (11.2.0) (My Oracle Support Document 1058763.1) Oracle Linux website

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  • Which is better : Storing/retrieving images on/from SQL server or in a directory on server

    - by Pankaj Upadhyay
    I am working on a project in Asp.net MVC and need to work with images. There is an SQL database with a Product table. Every product in the table will have it's own image. I have two ways to do this : 1) Save the image in a web directory and store the URL on database. 2) Store the image in SQL itself in binary format and then retrieve it. Which is a better approach ? Mind you, I have no idea how second method works :-P . I will only learn this if there are merits to the second method

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