Linux

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Configure Time with NTP and Chronyd

NTP (Network Time Protocol) is important because it allows computers and other networked devices to synchronize their clocks with a highly accurate reference time source. This is critical for many applications requiring accurate timing, such as financial transactions, scientific experiments, and network security. Here are some specific reasons why NTP...

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Managing Users & Groups in RedHat

Managing Users in Linux User management in Linux refers to the process of creating, modifying, and deleting user accounts on a Linux system. It includes tasks such as creating new user accounts, modifying user account settings, assigning users to specific user groups, and managing user account permissions. In Linux, each...

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How to Configure Linux Local Storage

Effective Linux Storage management is no longer a luxury but a necessity. Mastering the art and science of disk management ensures not only optimal system performance but also the safeguarding of critical data. Among the myriad of tools available, the Linux Logical Volume Manager (LVM) stands out as a flexible...

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How to use Red Hat (RHEL8) as a Linux VM host

Red Hat Virtualization, building a Linux VM This is part 5 of the learning Red Hat series on my blog. Did you know you can use Red Hat as a Virtual Machine host? In fact you can use almost all new flavors of Linux to create a Linux VM host...

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How to Reset Lost Root Password on Linux

Sometimes, a lost root password reset is needed; perhaps a system administrator has left your place of work and not documented the root password, or you have experienced an error in the operating system error that has halted the system in read-only mode. To change a password on Linux, like...

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The Art of Finding Files in Linux

It doesn’t matter if you have worked on Linux your entire life or if you are a complete noob. Being able to find and manage files in Linux is a skill you will use every day. In this article, You will learn how to: Finding files is a crucial skill...

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Grep and RegEx One-Liners

GREP, short for Global Regular Expression Print, is a command-line utility used in Unix, Linux, and other Unix-like operating systems. It searches for text patterns or regular expressions within files and directories, enabling users to locate specific strings or patterns of characters efficiently. Regular Expressions (Regex or Regexp) are sequences...

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