Run only Specific Commands with sudo in Linux

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Run only Specific Commands with sudo in Linux
In this guide, you are going to learn how to run only specific commands with sudo in Linux. Our previous guide covered how to add user to sudo group to enable them to execute the commands with elevated privileges. How to Add Users to sudo group in Linux So it is possible to enable a user to run only specific commands with...

Linux Commands Cheat Sheet

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To have a full grip on your device, it is important to have a reliable operating system.  Managing memory, storage or CPU is a task that a good quality OS will execute easily. When choosing the operating system that meets your needs, you must look at the characteristics and commands that are important to your type of work. Take...

Lock Linux User Account after Multiple Failed Login Attempts

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Lock Linux User Account after Multiple Failed Login Attempts
Follow through this guide to learn how to lock Linux user account after multiple failed login attempts. Linux through Pluggable Authentication Modules, PAM, can be configured to lock accounts after specific number of failed login attempts. Such are some of the security measures that aims at curbing brute force authentication attacks. This can be achieve specifically through pam_faillock module....

How to check Hardware information, block devices and filesystems on a Linux System

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In this tutorial, we will learn how to check hardware information, block devices and filesystems on Linux system. Many a time as we interact with the Linux system in our day to day activities, there may arise a need to check on the mounted filesystems, available block devices, disk space usage, system hardware information or even file space usage. Well,...

Is Knowing Linux Profitable for a Graduate?

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Is Knowing Linux Profitable for a Graduate?
Many people think that Windows and Mac are the only reliable and relevant operating systems. That's why people always hesitate about learning Linux. Is it worth the effort since not many companies use it? Even though most companies prefer more recognizable operating software like Windows and Mac, Linux is also in high demand by a lot of specialists. Indeed, knowing...

Install and Use 7zip on Ubuntu 18.04/Ubuntu 20.04

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Install and Use 7zip on Ubuntu
In this tutorial, we are going to learn how to install and use 7zip on Ubuntu 18.04/Ubuntu 20.04. 7zip is a free and open-source file archiver with a high compression ratio. The program supports 7z, LZMA2, XZ, ZIP, Zip64, CAB, RAR, ARJ, GZIP, BZIP2, TAR, CPIO, RPM, ISO, most filesystem images and DEB formats. Compression ratio in the new...

Installing Perf Performance Analysis Tool on CentOS 8

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In this guide, we are going to learn on installing Perf Performance Analysis Tool on CentOS 8. Perf aka perf_events aka perf tools is a powerful performance counters monitoring tool for Linux systems that gathers data about hardware events such as instructions executed, branches mispredicted or cache-misses suffered. It also provides very low overhead profiling of applications to trace dynamic...

Delete Lines Matching Specific Pattern in a File using VIM

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This guide will take you through how to delete lines matching specific pattern in a file using VIM. Linux system admins work with files day in day out. At some point, you may want just to delete lines matching a specific pattern or a string in a file. There are quite a number of tools out there that you...

6 Best Gadgets That Will Help You Finish That Essay

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6 Best Gadgets That Will Help You Finish That Essay
Gadgets make our lives easier in many ways, including education. They help students study effectively, get access to information easily, and even finish their essays. Of course, no gadget will write it for you completely. This is still a human job. So those who need a piece of expert advice and assistance can choose academic paper help by WritePaper service....

Install dhclient command on Oracle Linux

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Install dhclient command on Oracle Linux
This simple guide will show you how to install dhclient command on Oracle Linux. Have you installed Oracle Linux system and trying to configure automatic IP addresses via DHCP using dhclient command? Well, unlike the CentOS/RHEL/Rocky Linux systems, the dhclient command is not installed by default. Install dhclient command on Oracle Linux In our environment, we have Oracle Linux 9 installed...