Virtualbox and Mysql
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Virtualbox and Mysql

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    Virtualbox and Mysql Virtualbox and Mysql Presentation Transcript

    • >_ Things Lab VirtualBox ...and the standard installation for Things Lab meetings
    • Virtualization ● Running multiple operating systems simultaneously ● Easier software installations ● Testing and disaster recovery. ● Easy to make Snapshot ● Infrastructure consolidation
    • Why Virtualbox? ● Multi-platform (binaries for Win, OSX and Linux) ● Open Source (Base packages under GNU GPL V2) ● Great hardware support ● Guest multiprocessing (up to 32 virtual CPUs) ● USB device support ● Multiscreen resolutions ● Built-in iSCSI support ● PXE Network boot ● Multigeneration branched snapshots ● Virtual Machine groups ● Remote machine display
    • Virtualbox running a Guest OS
    • Why Raspberry Pi image? ● Multi platform ● Light (few resources needed) ● Standard installation ● Linux based ● Open Source ● Runs on SBC hardware like Raspberry Pi and Olimex Lime
    • Download the image http://www.ediy.com.my/Downloads/Raspberry %20Pi/RaspberryPi.VirtualBox.zip Unzip and open with a torrent client
    • Import the Appliance Click on File>Import Appliance...
    • Installation of the Appliance Choose the RaspberryPi.ova image and click on import button.
    • Run the installed Image Start the image, use rpi as login and password as password (also for sudo command)
    • First instructions The standard syntax is: sudo command [parameters] [| more] Update the image to the last packages sudo apt-get update Search for the MySQL Daemon (Server) sudo apt-cache search mysql-server | more Install a Daemon (Server) sudo apt-get install package-name
    • Install the MySQL Daemon Install the MySQL Daemon (Server) sudo apt-get install mysql-server-5.1 You should choose a password for the db admin (the user is root), we used the default password of the image.
    • Use MySQL from command line Connect to the MySQL daemon mysql -u root -p (a password for the user will be requested) Quit from MySQL command line interface quit; Show all the databases ● show databases; (from the command line of mysql)
    • Create a database Create a database create database test; Connect to a database use test; Create a table with two fields CREATE TABLE pets (name VARCHAR(20), owner VARCHAR(20) ); Display the tables in the database (we created only test) show tables; Remove a table drop table pets;
    • Populate a table Insert two records in a table insert into pets (name, owner) values ('pluto', 'this is a test'); insert into pets (name, owner) values ('nacho', 'abc'); Display records from a table select name, owner from pets where owner = 'abc'; select * from pets; (really bad for performance!!) Delete a single record or all the records from the table delete owner from pets where name = 'nacho'; delete from pets; (pay attention, you delete all the records!!)