Installing Hadoop, Yarn and HBase on your Linux in 10 minutes
This is a howto for installing Hadoop (hdfs and MapReduce), Yarn and HBase on your Linux box in 10 minutes (after the binary download).
BigData – My BigDataApi
I have updated my python Api for managing Hortonworks Ambari and Ranger with their API.
Ansible – become_user and include_tasks modification since 2.5
There is a modification since Ansible 2.5 with the way that include_tasks works with become_user
PostgreSql – PostgreSql 11 is out
PostgreSQL 11 Released! One year after the PostgreSql 10. Read more here
Ansible – Python 2.6 support ends with Ansible 2.7
As announced with Ansible 2.7, python 2.6 will not more supported on the controller host
Ansible – Test variables types
Here is a playbook for understanding the Ansible test with variables types
Postgresql – How to add timestamp to psql_history file
By default psql write the last 500 commands in the ~/.psql_history file, if like me you want to have a more precise information of who, when and where psql was used, here is a psql_history file setup.
Ansible – playing with Jinja2 and its whitespace control
Jinja2 templating with Ansible is powerfull and sometimes you could have some headache for positionning the result just where you want to respect a configuration file syntax. Following, I will show you how to manage the whitespace control with Jinja2
Ansible – Modify and join a list
So you have a list with a number of item which are the /data* path where you want to put your hadoop hdfs data and you want to add after each item the end of the path mount point, here is a solution.
SSL/TLS – Certificates and keystore commands
Commands for managing certificates, private keys and keystores Useful to create, change password, remove passphrase, etc…
