Category: Commands

Linux/UNIX  Awk Command Tutorial with Examples 5

Linux/UNIX Awk Command Tutorial with Examples

AWK  Stands for ‘Aho, Weinberger, and Kernighan‘ Awk is a scripting language which is used  for  processing or analyzing text files. Or we can say that awk is mainly used for grouping of data...

How to reduce LVM partition size in RHEL and CentOS 7

How to reduce LVM partition size in RHEL and CentOS

Sometimes when we are running out of disk space in our Linux box and if partition created on LVM , then we can make some free space in the volume group by reducing the...

How to extend or grow lvm partition in linux with lvextend command 6

How to extend or grow lvm partition in linux with lvextend command

Resizing the file system size is an important task of Linux admin’s profile. In Linux , LVM(Logical Volume Manager) provides the facility to increase and reduce the file system size. In this tutorial we...

LVM : A good way to utilize disks space 0

LVM : A good way to utilize disks space

Scenario : Let say , You have 5 disks each with 20 GB , now you have requirements to create FS(file system) of size 25 GB and 35GB and let rest of the space...

Find Out Server CPU Architecture(32 bit or 64 bit) in Linux 0

Find Out Server CPU Architecture(32 bit or 64 bit) in Linux

Some times it is very important to know whether the Server’s CPU Architecture is of 32 bit or 64 bit. One can determine using the file /proc/cpuinfo , as shown below : [[email protected] ~]#...

Fixing LVM I/O Errors 10

Fixing LVM I/O Errors

Situation : Most of us faced errors mentioned below during our system admin activities   , this is mainly related to the removable storage media that we use on unix servers’ Reason of this could...