Businesses run on data. Data is now one of the most sought after assets. If you are an individual, a small-business, or an enterprise, data is the foundation of your digital presence. Having a reliable backup system is as important as having enough data to work with. UrBackup is now the trusted client/server backup system that has taken over the … [Read more...]
No Space Left on Device: How to Fix this
If you are dealing with too many files and directories or if you have many important files that cannot be deleted, you will see the error message “no space left on device” often. This error can be very dangerous for daily operations if you are an individual user. In enterprise applications, if this error pops up, it means that either the disk … [Read more...]
Instructions to Use ls: Sort by Date Operation Guide
Whether your home setup or your work environment deals with so many directories, file management is an essential skill to have. Some Linux users think the ls command is only to list the files. In this article, let us see how you can use ls to sort by date. This method works for all different use cases like log management, file editing, media … [Read more...]
Ubuntu: Install DEB Instructions with Different Methods
DEB (also known as Debian packages) is the primary software package of Ubuntu. DEB packages allow easy installation of software. An additional advantage is that their dependencies are bundled together. In Ubuntu, install DEB packages easily with the easy to follow instructions. Learning how to install DEB packages is important when you are working … [Read more...]
Kill Process on Port: How to Do it in Linux
In Linux (and other Unix based operating systems as well), there can be instances where a process runs on a port which prevents other applications from using the same port. When you face situations like these, it is essential to free up that port by killing the process on that port. In this article, let us see the instructions on how to kill a … [Read more...]
SSH Port Forwarding: A Detailed Guide with Examples
Lot of us use Secure Shell (SSH) as a way to log into remote machines in a secure manner. SSH is also a robust way to forward network traffic from one machine to another connected machine. This process is called either SSH port forwarding or SSH tunneling. With port forwarding, you can securely transfer data between local and remote machines. Port … [Read more...]
CD command in Linux: Using it Effectively
The cd command is short for “change directory”. While working in a Linux or any UNIX based environment, navigating the file system is a basic skill. The cd command is the most essential aspect in navigating file systems. This command is frequently used by both beginners and seasoned Linux users. In this article, let us take you around this vital … [Read more...]
Nc Command in Linux: Tool to Debug Network Issues
The “nc” command is often referred to as “Netcat”. It is a flexible yet robust tool often used in the Linux and other Unix based OS environments. It is a powerful utility to read from and write to network connections using either UDP or TCP. If you are a professional like network administrator, system administrator, or security professional, this … [Read more...]
SFTP Port Number: Understanding Basics of Secure File Transfer
SFTP is otherwise known as Secure File Transfer Protocol. It is a network protocol that allows secure file moving advantage over a network. The main difference between FTP (File Transfer Protocol) and SFTP is that FTP sends data in plain text. The secure file transfer protocol on the other hand, encrypts the data that is being transferred. This … [Read more...]
Untar tar.gz file: The Only How-to Guide You Will Need
If you are someone who works with so many files (especially compressed files), you will come across the tar.gz format very often. This format is the industry favorite because it combines both the “.tar” archive and the “.gz” compression. Combining these both powerhouses gives you an efficient way to bundle and then compress files. Now that we know … [Read more...]
Linux: Set Environment Variables—An explanatory guide
In Linux, set environment variables to define system behaviour. Ensure that all applications work as they are intended to. Environment variables in Linux are used to keep configuration settings such as user preferences and file paths. They are important for the optimal functioning of programs and scripts. In this detailed guide, you will learn in … [Read more...]
Ubuntu: Enable SSH with this clear and concise guide
In Ubuntu, enable SSH to securely manage and access your servers and network devices remotely. SSH is short for Secure Shell. SSH is important for System Administrators, network administrators, and developers to manage remote systems securely and efficiently. What is SSH in Linux? SSH or Secure Shell is a cryptographic network protocol. SSH … [Read more...]
Install Pip Ubuntu: A Detailed Guide to Cover Every Step
Pip is very important for managing packages and dependencies, if you are working with Python on a device running Ubuntu. Wherever possible, at Unixmen we also share how a command got its name. Pip is short for “Pip Installs Packages”. Pip is a package management system that is used to install and manage software packages written in Python. In this … [Read more...]
How to Fix the Error: kex_exchange_identification: read: connection reset by peer
SSH (Secure Shell) can be very unforgiving and throw up a plethora of errors for the slightest errors. One of the errors you might have encountered is the “kex_exchange_identification: read: connection reset by peer” error message. When you are in a hurry to establish a secure connection or a session, seeing this error can be very frustrating. In … [Read more...]
Bash: Concatenate Strings Easily with Our Simple Guide
As we have iterated countless times in our previous Bash guides, Bash is a very powerful shell used in a lot of Unix based systems like Linux and macOS. One of the common Bash scripting tasks is string manipulation, including and particularly concatenating strings in Bash. In Bash, concatenate strings to make your text processing … [Read more...]
Waybar: An All-round Status Bar for most Window Managers
Linux users prefer status bars to have a quick look on key details like battery status and more. Waybar is a customizable status bar with options to customize as per the user’s needs. With a lot of in-built configuration options pre-loaded, Waybar is an easy choice for Linux users who prefer tailoring their status bars to suit their requirements. … [Read more...]