Awk is a scripting language which is used for processing or analyzing text files. Or we can say that awk command is mainly used for grouping of data based on either a column or field , or on a set of columns. Mainly it’s used … Read more
Youtube-dl is a small command-line program to download videos from YouTube website and other sites that don’t provide direct links to the videos served. youtube-dl allows the user, among other things, to choose a specific video quality to download (if available) or let the program … Read more
In this guide, we will learn how to reduce or shrink LVM partition size in RHEL & CentOS systems. Sometimes when we are running out of disk space in a linux system and if partition created on LVM , then we can make some free … Read more
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 unassigned for any future needs . Technically, this is not possible … Read more
Some times it is very important to know whether the Server’s CPU Architecture is of 32-bit or 64-bit because 64-bit applications can not run on 32-bit system, whereas 32-bit application can easily be run on 64-bit system. One can determine Linux System CPU architecture using … Read more
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 be because removing the disk/LUN’s without clean shutdown/unmount or de-attaching disks from … Read more