LVM (Logical Volume Management)

LVM (Logical Volume Management)   With LVM, we can create logical partitions that can span across one or more physical hard drives. First, the hard drives are divided into physical volumes, then those physical volumes are combined together to create the volume group and finally the logical volumes are created from volume group. How to Create LVM fdisk /dev/sda n                               (create 3 new partition) t   ...

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Step by Step Configuration of YUM Server

How to Configure YUM Most of the beginners in Linux faces a big problem when they are deploying a package i.e.; dependency failure. To resolve this issue Redhat introduced a technology called YUM. YUM is a repository system contains information about packages and files inside every RPMs, Now Don’t worry about redhat repository .Create your own Yum repository in a local system and enjoy Pre quest of yum server I assume that you have completed...

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Linux log files location

      Linux log files location Almost all log files are located under /var/log directory (and sub directory). You can change to this directory using cd command but you need to be the root user. You can use less, more, cat or tail command to see the logs. Go to /var/logs directory:# cd /var/logsView common log file /var/log/messages using any one of the following command: # tail -f /var/log/messages# less /var/log/messages#...

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NFS Server

NFS Server If you have two or more machines, you may wish to share disk space or devices, such as a CD drive, between machines. For this there is network file system (NFS), the easiest way of sharing files and resources across a network. NFS is the way of working with files on a remote machine as if they are on your local one. NFS is the standard de facto solution to access the same $HOME directories from any machine on the Net. Using it...

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Computer Communication Network Assignment

Computer Communication Network (MCA) Assignment A 1.a ) Explain Ethernet MAC sub layer protocol with frame formats and also analyze its performance. Ans- The medium access control mechanisms of these protocols, which are responsible for satisfying both the time-critical/real-time response requirement over the network and the quality and reliability of communication between devices on the network. These timing parameters, which...

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Apple iPhone 5

Apple iPhone 5 GENERAL 2G Network GSM 850 / 900 / 1800 / 1900 - GSM A1428   CDMA 800 / 1900 / 2100 - CDMA A1429 3G Network HSDPA 850 / 900 / 1900 / 2100 - GSM A1428 CDMA2000 1xEV-DO - CDMA A1429 4G Network LTE 700 MHz Class 17 / 1700 / 2100 - GSM A1428 or LTE 850 / 1800 / 2100 - GSM A1429                    LTE 700 / 850 / 1800 / 1900 / 2100 - CDMA A1429 SIM Nano-SIM Announced 2012,...

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