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Linux server backup and restore procedure
Linux server backup and restore procedure Very important to backup our server. There are lots of methods to perform backups with Linux. These include command-line tools included with every Linux…
Red Hat training and certifications
Red Hat training and certifications There are many Linux distributions in the marker, but there are only few companies provide enterprise level release support. Red Hat Certification is one of…
Final check list before server goes to production
Final check list before server goes to production: After you build the server for Production environment, you need to be extra careful before you give it application team or customer….
DNS Configuration Files
The DNS Configuration Files The DNS configurations files are very important and you have to very careful when you configure. Most of the applications use hostname/domainname instead of IP address….
How to manage iSCSI volumes and devices on Linux
How to manage iSCSI volumes on Linux iSCSI is a good choice for small companies who don’t have big budget fiber channel storage solution. Basically SCSI commands signal go through…
Linux iptatables firewall tutorial
FireWall/IPtables Firewall is very important to enable on servers. Most of the linux distributions have an extremely powerful firewall built in, commonly referred to as iptables, but more accurately is…
Datacenter Setup Guide
Following are the major inputs needed for setting up a datacenter. 1. Space / Location : You need to have sufficient space keeping in mind the number of servers you…
External Disk Frame Migration on the Solaris
Environment There were two servers. Three Oracle resource groups were defined in Veritas Cluster, and each server had an Emulex Fibre Channel (FC) card with dual paths to the Storage…
Check Uptime on multiple hosts
If you want to find out up time on multiple hosts. You can use the following script. It’s a simple script, but will do your job. Enjoy #!/bin/bash PWD=`pwd` SERVERS=`cat…
RHCE exam preparation
If you are preparing for RHCE exam, here is some information: If you have any experience, feel free to share with us. Overview This guide provides information candidates may use…