Linux : NFS4 Configuration
NFSv4 New Features 1 . FileSystem Name Space 2. NFSv4 is a Stateful Protocol 3. Delegation 4. Security
Tagged: linuxadmin
RHEL : What is Multicast and how to configure Network interface with Multicast Address?
Multicast is method of sending IP packetes to a group of interested receivers. Compared with broadcast, the packets are only sent to the members of a multicast group with the help of multicast router.
Hands on LAB – Configuring LAMP STACK for Web Applications- cookbook
The Internet World , we live today ,completely filled with web pages and applications. In the initial days, web sites were just limited to static html pages and the traditional web servers like Apache fulfilled the purpose. But now the current trend is dynamic web pages which...
Red Hat Enterprise Linux on HP Servers – Unexpected Server Reboots
The Server Environment which has Linux Servers installed on HP, occasionally encounter the issue of unexpected server reboot without any related log in system logs. And There are no kernel panics and no perfornamce issues ( SAR reports the usage utilization is normal) except the below...
Redhat Enterprise Linux – Troubleshooting Kernel Panic issues – Part 2
This is continuation post to our earlier kernel panic reference post ( Redhat Enterprise Linux 6 – Kernel Panic and System Crash – Troubleshooting Quick Reference ) where we have discussed several types of kernel panic issues and their reasons. And in this post I will be...
IPV6 in Redhat Enterprise Linux
In my previous post about IPV6- Solution for IPv4 Exhaustion , we have already discussed about the purpose and basic features of IPv6. In this post we will get discuss about basic IPv6 commands used in Redhat Enterprise Linux.
Linux – dynamically add/remove scsi from linux
1. SCSI Device Addressing A four-part addressing scheme is used to define the location of SCSI devices within a system. The attributes include: ost: Instance of hostadapter to which device is attached us: SCSI Bus or Channel on the hostadapter arget: SCSI Id assigned to an...
Scripting : Adding Static routes to remote Linux systems – Video
In our previous example we have discussed about a scenario , in which we have copied a script to each host and then we executed the script remotely using another calling script from the centralized host ( which is having publick key – password less...
Redhat Linux : Collect System Diagnosis report for the Support Call purpose
Red Hat Enterprise Linux 4.5 and previous On a default installation the package Sysreport should be already installed. If not you need to install the package “sysreport-.rpm” with the following command # rpm -ivh sysreport-.rpm or, if your system is registered at the Red Hat Network...
Linux : NTP Error Message "kernel time sync error 0001"
This error message is logged by NTP daemon, and this means that the ntpd fails to adjust OS internal clock for some reasons. NTP daemon adjusts OS internal clock by invoking system call named adjtimex(). Linux kernel expects the system call to be invoked regularly, as...
