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Build React Native App (4) - Redux, Jest, and NativeBase

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From this blog, typescript feature will be added. There are couple of ways to implement static type checking like; flow from facebook, PropTypes and Typescript. Typescript is well integrated with Visual Studio Code and supports better linter, error messages, and intellisense. Reference site Github Sample Ex4 Currnet version D:\GitRepo\reactnative>npm --version 6.3.0 D:\GitRepo\reactnative>react-native --version react-native-cli: 2.0.1 react-native: n/a - not inside a React Native project directory D:\GitRepo\reactnative>yarn --version 1.9.4 Creating React Native App $ react-native init ex4 If you want to specify the version, add "--version 0.57.3" at the end. Add NativeBase to React Native $ npm install native-base --save ... + native-base@2.8.1 added 71 packages from 42 contributors, removed 50 packages, updated 829 packages and audited 34989 packages in 138.542s found 0 vulnerabilities $ $ yarn yarn install v1.9.4 warning package-lock.json found. You...
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Install Ceph shared storage to DCOS 1.9

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After installing DC/OS, I noticed that all data worked with container stored to local node. Due to the reason, when the container was moved from one node to antoher, all configuration has been lost. I tried to find out shared storage solution and this manual is regarding how to add CEPH open source platform to CentOS DC/OS platform Reference Ceph Script on DC/OS Ceph on DC/OS losetup manual Checking file system type in Linux Ceph example from DCOS 1.8 Ceph example from DCOS 1.9 bash_rc vs profile Install lightttpd rbd-docker-plugin Current configuration As I posted from previous DC/OS blog, my configuration is I used 4 nodes as DC/OS recommended ComputerName IP Addess Computer Spec Description Note dcostest01 172.16.110.20 2 core, 16GB, 100 GB Disk Bootstrap Computer Ceph Client & DC/OS CLI will be in here dcostest02 172.16.110.30 2 core, 16GB, 100 GB Disk Agent1-Master dcostest03 172.16.110.31 2 core, 16GB, 100 GB Disk Agent1-Private Ag...
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Install DCOS on CentOS 7

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Install DC/OS on CentOS on VMWare FreeESXi Install DC/OS on CentOS on VMWare FreeESXi Prerequriement Referecne Install CentOS Create One CentOS with following configuration Install Docker Additional Centos Command to help Install DC-OS Create SSh Private / Publick key Create ip-detect script Install Summary Prerequriement DC/OS: 1.9 CenOS: 7.3 Minimum 4 nodes Bootstrap node: 1 node with 2 Cores, 16 GB RAM, 60 GB HDD 3 Nodes(1 Master and 2 Agent nodes): 2 cores, 16GB RAM, 60GB Referecne DC/OS Official Installation DC/OS Install Install CentOS During installing the CentOS, create user called dcosadmin and check administrator group . This user will be used during entire installation process I used 4 nodes as DC/OS recommended ComputerName IP Addess Computer Spec Description dcostest01 172.16.110.20 2 core, 16GB, 100 GB Disk Bootstrap Computer dcostest02 172.16.110.30 2 core, 16GB, 100 GB Disk Agent1-Master dcostest03...
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