RPM Command Cheat Sheet
RPM (Redhat Package Manager) is the most popular package utility and is used mostly on RHEL, Centos and Fedora. RPM helps user/admins to build, install, que...
Recent Posts
Creating a large file in Windows / Linux
Was working on a monitoring project, need to create a large file to test notifications. Here is how we can do that.
Cloudera Hadoop Deployment using Cloudera Manager Cookbook [CentOS 6.6]
This cookbook [currently as of now] can be used to setup a Cloudera Manager Server (Management Server) running on MySQL/Postgres database. But the intended u...
Chef Workstation Setup on Windows Machine.
The Chef Development Kit (ChefDK) brings the best-of-breed development tools built by the awesome Chef community to your workstation with just a few clicks. ...
Check Port on Remote Server CentOS 6.6/RHEL 6
Checking port available on a remote machine using nc command instead of telnet. Same command can be used to check on a remote server as well, change the 127....
LUKS Disk encryption for CentOS 6.6/RHEL 6
Linux Unified Key Setup-on-disk-format (or LUKS) allows you to encrypt partitions on your Linux computer. This is particularly important when it comes to mo...
Mysql Database Moving Data Directory to New Location.
How to move an existing data directory in mysql to a new location. We were running out of space and had to move the existing data directory to a new drive. B...
Mysql Database Disk Usage.
We were running out of disk space on one of the databases server, we need to get information on what the current table/database usage was. Below are few comm...
Installing python 2.7.x on Centos 6.5/6.6
By default centos comes with python 2.6. In most of the cases we might need python 2.7 or later to be installed. Below are few ways to install python 2.7 on ...
Zabbix Database Backup Script for postgres and mysql.
After the zabbix setup is done, we would like to take backup of the database. Here we are doing a complete backup. But if we are looking for only configurati...