Oracle to Kafka made easy.

Oracle to Kafka made easy.

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Source: http://oebsnotes.blogspot.com Sometimes we need to expose data from Oracle database to external systems/services.  In our experience, it ends ups with kind of interim tables or even interim databases or REST service solutions, the downsides of such approaches are well known. These days one of the best solution to communicate services is message broker, namely Apache Kafka.  This time we would like to send data from Oracle database to Kafka, after some googling we come up with – GoldenGate, WebLogic,…

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Installing oracle 11.2.0.4 under Docker

Installing oracle 11.2.0.4 under Docker

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1. Upload the oracle installation package to the host and extract it (for example, under the directory of / data) [root@localhost data]# ll total 2487256 drwxr-xr-x. 7 440 200 4096 Aug 27 2013 database drwx——. 2 root root 16384 Aug 30 23:23 lost+found -rw-r–r–. 1 root root 1395582860 Aug 30 23:59 p13390677_112040_Linux-x86-64_1of7.zip -rw-r–r–. 1 root root 1151304589 Aug 30 23:59 p13390677_112040_Linux-x86-64_2of7.zip 2. Start with the image of Docker official website and mount / data to / install docker run -it –privileged…

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How to secure Windows Remote Desktop (RDP)

How to secure Windows Remote Desktop (RDP)

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How secure is Windows RDP? By default, a Remote Desktop session is operated via an encrypted channel which prevents anyone to view your session by network listening methods. Although this is a secure method, it is still susceptible to “man-in-the-middle-attack” to a certain degree as well as a form of brute-force attacks or simple guesses if the attacker has any info on your general likes, preferences and habits (Social media is fun indeed). Basic security tips Keep your Windows updated…

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Set up a proxy server on the machine level

Set up a proxy server on the machine level

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Set up the proxy for a system account ExecutePsExec.exe -i -s cmd.exeto run the command prompt under a system account.Note: Check whether you have the proper login set up by executing the “whoami” command. The response should be “nt authority\network service” Execute%PROGRAMFILES%\Internet Explorer\iexplore.exeto run Internet explorer in system context. Open the Control Panel, and go to Internet Options > Connections > LAN settings. Click Use a proxy server, and define your proxy settings. Set up the proxy for a network…

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Throttling Concurrent Outgoing HTTP Requests in .NET Core

Throttling Concurrent Outgoing HTTP Requests in .NET Core

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In my last post, we implemented the rate limiting for an API endpoint on the server side. The server side rate limiting is useful for API providers to ensure system performance and/or to realize business values. On the client side, the API consumers then should throttle the rate of concurrent HTTP requests in order to comply with the rate limits of the endpoints and moderate the usage of client side resources. This post will go over how to make concurrent outgoing HTTP requests on the client…

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Oracle for Absolute Beginners: Date, Timestamp and Interval

Oracle for Absolute Beginners: Date, Timestamp and Interval

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Source: https://www.red-gate.com/simple-talk/sql/oracle/oracle-for-absolute-beginners-date-timestamp-and-interval/ All databases stand on a tripod of datatypes: strings, numbers and dates. And though they might dress them in fancy clothing – varchar2, clob, float, integer – strings are really just strings, and numbers are really just numbers. But dates — dates are interesting. In this article I’ll talk to you about dates, about time, and about how both are All databases stand on a tripod of datatypes: strings, numbers and dates. And though they might dress them…

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Run/install/debug Android applications over Wi-Fi

Run/install/debug Android applications over Wi-Fi

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Connect the device via USB and make sure debugging is working; adb tcpip 5555. This makes the device to start listening for connections on port 5555; Look up the device IP address with adb shell netcfg or adb shell ifconfig with 6.0 and higher; You can disconnect the USB now; adb connect <DEVICE_IP_ADDRESS>:5555. This connects to the server we set up on the device on step 2; Now you have a device over the network with which you can debug as usual. To switch…

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Enable/Disable Hyper-V

Enable/Disable Hyper-V

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To disable Hyper-V from starting the following command can be used: bcdedit /set hypervisorlaunchtype off To enable the Hyper-V role again use the following command: bcdedit /set hypervisorlaunchtype auto A reboot of of the Windows 10 is necessary.