Category: Unixmen

Find Current Working Directory Of A Process Using Pwdx In Linux

You are aware of “pwd” command, aren’t you? The pwd command (stands for Present Working Directory) is used to print the current working directory. What about “pwdx”? Have you ever used or heard of it? No? No problem! The pwdx command is to used report current working directory of a process. In this guide, we

7 Security Measures to Protect Your Servers

Introduction When setting up cloud infrastructure, getting your applications up and running will often be your primary concern. However, making your applications function correctly without addressing the security needs of your infrastructure could have devastating consequences down the line, so it is worthwhile to consider this as part of your initial infrastructure setup. In this

How To Add, Delete And Grant Sudo Privileges To Users In Linux

This tutorial explains how to add, delete and grant Sudo privileges to users in Linux operating systems. The steps provided below are tested in Ubuntu 20.04 LTS edition. However, the steps are same on other distributions such as Arch Linux, Debian, Fedora, CentOS, RHEL, openSUSE etc. Before getting into the topic, let us see what

Relax-and-Recover – Backup and Recover a Linux System

Relax-and-Recover (ReaR in short) is a simple yet powerful, easy-to-setup, full-featured and leading open-source bare metal disaster recovery and system migration solution, written in Bash. It is a modular and configurable framework with numerous ready-to-use workflows for common situations. ReaR creates a bootable rescue system and/or system backup in various formats. You can boot your

How to Use the dmesg Command on Linux

The dmesg command lets you peer into the hidden world of the Linux startup processes. Review and monitor hardware device and driver messages from the kernel’s own ring buffer with “the fault finder’s friend.” How Linux’s Ring Buffer Works In Linux and Unix-like computers, booting and startup are two distinct phases of the sequence of events

Doppler – A Zero Configuration Remote Monitoring Tool

A while ago, we have written about Netdata, a lightweight, real-time performance and health monitoring tool for systems and applications. It monitors almost everything in a system and displays the result in a nice graphical layout in the web browser. Netdata requires no configuration and no dependencies either. It just works out of the box.