I have been trying to post about redhat cluster from quite long time.But today only I got a time to write about it. Redhat Linux become quite popular and most of the low end and mid-range server are migrating from Unix to Redhat Linux.Once of the recent survey stated that RISC servers(Oracle’s SPARC/IBM’s POWER) shipment is keep on reducing every year and […]
How to Install KVM on Redhat Linux ? Virtual Machine Manager
Recently I have come to know that redhat Linux KVM/QEMU supports multiple operating systems as virtual guest including windows OS.So i just want to give a try and tested on one of the desktop. Unfortunately KVM will not work in Vmware workstation hosted Redhat Linux.You need to directly install the Redhat Linux on hardware for KVM/Qemu to work. […]
How to Create Virtual Machine in Redhat Linux ?
The entire world is running behind virtualization and Operating system’s vendors also providing more options to customer to virtualize their environment. Here we are going to see about Redhat Linux virtualization using KVM/QEMU. Once you have completed the KVM installation on Redhat Linux , you can proceed to create a new Virtual machine. To use KVM, you need […]
How to change Locale settings on Solaris ?
Locale is one provided by the implementation that is accessible to the application. Locale utility writes a information about locale environment to the standard output.A locale can be composed of a base language, country of use, and codeset (Ex: CA for canada , US for united states).Normally the locale name is specified by the LANG variable.If […]
TCPDUMP-How to Capture the Network Packets on Redhat Linux?
Troubleshooting network issue is not an easy task in any operating systems.In order to troubleshoot network issues, you need to capture the network packets in OS level and need a help from network team. Earlier we have discussed about snoop utility which is default packet analyzer in Solaris operating system.In Redhat Linux you have utility called “tcpdump” which is freeware and distributed […]
How to Create Partitions on Redhat Linux ?
How to create a disk partitions on Redhat Linux using fdisk command utility ? Here we will see how to manage the disks in redhat Linux using fdisk command.It includes creating the partitions,deleting the partitions,switching the system ids and more.Since fdisk utilities has many options and this will confuse the Linux beginners.This tutorial will go through the basics of using fdisk to manage […]
How to Migrate the Local Zones on Solaris ?
How to migrate the local zones from one global zone to another global zone ? Last week, I have migrated the couple of local zones from one global zone to another global zone successfully and here I am sharing the same.In real production environment,you can balance the global zones load by moving few local zones […]
How to setup ISCSI initiator on Redhat Linux ?
Here we are going to see about adding ISCSI targets on redhat Linux.SAN environment is highly impossible for small companies due to it’s cost.As an alternative, ISCSI provides a SAN like environment using storage via IP concept. To use ISCSI storage , you need a high speed LAN cards and cables to achieve the speed like fiber channel SAN network. […]
Redhat Linux How to Fix Read only root Filesystem Issue
One of the most common problem in Redhat Linux is “read only root filesystem” when there is issue with hardware or SAN sub-systems .To fix the “read only filesystem” issue ,you need to reboot the server.But while rebooting the server, you will definitely encounter many issues and that requires a manual intervention by logging in with the […]
Veritas Volume Manager/Cluster License Keys
I Just got a time to write about my all time favourite product “veritas”. This post is all about veritas volume manager and Veritas cluster licensing. These products will be mostly used on Enterprise computing environment and it provides great on-line functionality for managing volumes & filesystems. This product is worth for the money but as a system administrator, we […]