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You are here: Home / Archives for Linux

Difference between LVM and LVM2: Linux interview question explained

Published: January 27, 2017 | Modified: June 20, 2020

Post stating point wise differences between LVM and LVM2 explained. This is one of the frequently asked question for Linux interview.

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Recover forgotten root password in RHEL with screenshots

Published: January 26, 2017 | Modified: June 20, 2020

Learn how to recover forgotten root password in Linux RHEL. Step by step procedure to reset the root password by booting system in single-user mode.

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Ulimit value : All you need to know

Published: January 13, 2017 | Modified: June 20, 2020

Understand what is ulimit? How to set it? Which all system resources can be limited using ulimit control? and how to view current ulimit settings.

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How to zip, unzip files and directories in Linux / Unix

Published: January 5, 2017 | Modified: June 20, 2020

Learn how to zip unzip files and directories in Linux or Unix. Compressing files helps in log management and makes data transfer easy.

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How to change process priority in Linux or Unix

Published: January 2, 2017 | Modified: June 20, 2020

Learn how to change process priority in Linux or Unix. Using the renice command understands how to alter the priority of running processes.

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9 Linux account password policies explained

Published: December 29, 2016 | Modified: June 20, 2020

Learn 9 different account password policies in Linux. Understand how to view them, how to change them and what is their impact on user management.

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5 different examples to send email through Linux terminal

Published: December 26, 2016 | Modified: June 20, 2020

Five different examples to show you how to send an email using the Linux terminal. Learn how to send an email with the subject, attachment, and body from the terminal.

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3 tricks to get multiple commands output in the same row

Published: December 24, 2016 | Modified: June 20, 2020

Three tricks to get two commands output in a single row. Normally two commands outputs will be always separated by a carriage return in Linux terminal.

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sar command (Part III) : Disk, Network reporting

Published: December 21, 2016 | Modified: June 20, 2020

Learn System Activity Report sar command with real world scenario examples. Understand how to do disk, network reporting using this command.

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sar command (Part II) : CPU, Memory reporting

Published: December 20, 2016 | Modified: June 20, 2020

Learn System Activity Report sar command with real world scenario examples. Understand CPU, Memory reporting using this command.

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