1. Introduction I will show how I installed CentOS7 on VirtualBox by Vagrant. Vagrant is a software which help us to easy install os on virtualbox. For install of VirtualBox, refer to [1]. This blog is based on [2]. 2. Preliminalies My host os is CentOS7. 3. Proceure 3.1 Install Vagrant (1) Download a installer. […]
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Paper reading memo: Database System Support of Simulation Data
1. Memo (1) The goal of this paper The goal of this paper is to accelarate visualization and quantitive analysis of simulation data. (2) What simulation data is A simulation is forecasting or estimating numerical value as velocity and pressure etc. at each 3D space corrdinate and each time in area such as astronomy; medicine; […]
Installing VirtualBox on CentOS7
1. Introduction I installed a virtualization software VirtualBox which is based on hosted hypervisor. 2. Procedure (1) Install libSDL is necessary to install VirtualBox. libSDL is a cross-platform development library designed to provide low level access to multimedia. mkdir ./virtualbox cd ./virtualbox wget https://download.virtualbox.org/virtualbox/6.1.16/VirtualBox-6.1-6.1.16_140961_el7-1.x86_64.rpm sudo yum install libSDL* sudo rpm -ivh ./VirtualBox-6.1-6.1.16_140961_el7-1.x86_64.rpm (2) Veryfy if […]