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...
 
  
  
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...
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...
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...
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 ...
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...
There might be situations where you have a remote/zabbix server which does not have internet connectivity, due to security or other reasons. So we create a ...
In zabbix we dont have a better way to capture snmptraps. we have to manually create an item and corresponfding trigger to handle a trap arriving from the de...
zabbix-extra on Zabbix Version 2.4.
      
    SNMP Builder/Extra is an add-in for Zabbix. It provides new web interface components to browse MIB trees and values. SNMP OIDs can then be automatically conv...
Receiving SNMP traps is the opposite to querying SNMP-enabled devices. In this case the information is sent from a SNMP-enabled device and is collected or “t...
The System Security Services Daemon (SSSD) provides a set of daemons to manage access to remote directories and authentication mechanisms. It provides Name S...