Compiling and installing new kernel in Redhat Linux

In our example, the current kernel version is 2.6.32.71.

Lets now upgrade the kernel to higher version 3.2

1: Installing Kernel  Dependencies

Installing or Compiling Kernel requires following various required packages and up-to-date system packages.

  1. Latest GCCversion
  2. Latest Ncursesdevelopment version
  3. System packages up-to-date

#  yum install gcc ncurses ncurses-devel

# yum update Continue reading…

Process Status : PS

A process is a single program running in its own virtual address space. Using this definition, everything running under Linux is a process. Process is a running instance of a program. Linux is a multitasking operating system, which means that more than one process can be active at once.

PS can show you the running processes on your system in different ways. Several types of processes are involved with the Linux operating system.

Each has its own special features and attributes:

An interactive process is a process initiated from (and controlled by) a shell. Interactive processes may be in foreground or background.

A batch process is a process that is not associated with a terminal but is submitted to a queue to be executed sequentially. Continue reading…