Shell Scripts

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Mapping SAN LUN, Disk, LVM and FS in Linux

How to map LUN, Disk, LVM and FileSystem in Linux

There are situations where you want to map storage LUN (Logical Unit Number), Block Device, LVM (LV & VG names) and File System (FS) information for FS expansion or Disaster …

Linux Commands

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Moving Volume Group in Linux

How to move a Volume Group from one system to another

There are situations where we would be required to move a whole volume group from one system to another system for some requirement. As part of this, it also moves …

How to Resize an Online Multipath Device on Linux

Package Managers

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What is the difference between apt and apt-get command?

Most of us are often confused with the difference between apt and apt-get command. This confusion prevails among all the users, including beginners and experienced. These command line tools are …

Difference Between YUM and RPM

System Monitoring

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How to Monitor Disk I/O performance in Linux

Do you know, what tools are used to troubleshoot or monitor real-time disk I / O performance issues on Linux? In General,  top command will be used to view system …

Netutils-Linux : Set of tools to simplify Linux network trouble shooting and Performance Tuning

As a system administrator, you might know & use few utilities for network troubleshooting and performance tuning but in Linux we have many other options to use (I mean you …

Gtop – Awesome graphical system monitoring dashboard for terminal

As of now, we have covered plenty of command line system monitoring tools which is capable to print various system performance information with numeric values and doesn’t offers any graph. …