In a previous article, we showed you how to create a shared directory in Linux. Here, we will describe how to give read/write access to a user on a specific directory in Linux. There are…
A file system is the way in which files are named, stored, retrieved as well as updated on a storage disk or partition; the way files are organized on the disk. A file system is…
sFTP (secure File Transfer Program) is a secure and interactive file transfer program, which works in a similar way as FTP (File Transfer Protocol). However, sFTP is more secure than FTP; it handles all operations…
YUM is an interactive, rpm based, high level package manager for RHEL/CentOS systems, it enables users to install new packages, remove/erase old/unwanted packages. It can automatically run system updates and does dependency analysis, and also…
I am always fascinated by the things going on behind the scenes when I boot a Linux system and log on. By pressing the power button on a bare metal or starting a virtual machine,…
A port is a logical entity which acts as a endpoint of communication associated with an application or process on an Linux operating system. It is useful to know which ports are open and running…
SSH (SSH client) is a program for remotely accessing a machine, it enables a user to execute commands on a remote host. It is one of the most recommended method for logging in to a…
As a system administrator, you may have a certain directory that you want to give read/write access to every user on a Linux server. In this guide, we will review how to enable write access…
When you run a command, it produces some kind of output: either the result of a program is suppose to produce or status/error messages of the program execution details. Sometimes, you may want to store…
In recent articles, we’ve showed you 10 Useful Sudoers Configurations in Linux and Let Sudo Insult You When You Enter Incorrect Password, and in this article, we discovered a another sudo tip that will help…
In this guide, we will cover how to display the total number of files in the current working directory or any other directory and its subdirectories on a Linux system. We will use the find…
By default, all commands executed by Bash on the command line are stored in history buffer or recorded in a file called ~/.bash_history. This means that a system administrator can view a list of commands…
One of the most important and interesting topics under Linux administration is I/O redirection. This feature of the command line enables you to redirect the input and/or output of commands from and/or to files, or…
Sudoers is the default sudo security policy plugin in Linux, however, experienced system administrators can specify a custom security policy as well as input and output logging plugins. It is driven by the /etc/sudoers file…
In Linux and other Unix-like operating systems, only the root user can run all commands and perform certain critical operations on the system such as install and update, remove packages, create users and groups, modify…
In this article, we will review a number of command line tools that act as filters in Linux. A filter is a program that reads standard input, performs an operation upon it and writes the…
With the thousands of commands/programs available in Linux systems, knowing the type and purpose of a given command as well as its location (absolute path) on the system can be a little challenge for newbies….
Today, Bash is the default shell in most (if not all) modern Linux distributions. However, you may have noticed that the text color in the terminal and the prompt content can be different from one…
I passionately enjoy working with commands as they offer more control over a Linux system than GUIs (Graphical User Interfaces) applications, therefore am always on the lookout to discover or figure out interesting ways and…
Today, Google search is a well known and the most-used search engine on the World Wide Web (WWW), if you want to gather information from millions of servers on the Internet, then it is the…
In this post, we will learn a number of commands for locating the default configuration files for MySQL database server (my.conf), PHP programming language (php.ini) and Apache HTTP server (http.conf), which together with Linux form…
Once you get familiar to using the Linux terminal, you wish to do everything on your system by simply typing commands including sending emails and one of the important aspects of sending emails is attachments….
In this article, we will review a cool and simple way of giving a command screen output a rainbow colors and slowing down its output speed as well for one reason or the other. The…
While learning Linux, it is always the norm for newbies to keep on typing several commands to accomplish a simple task. This is understandable especially when one is just getting accustomed to using the terminal….
In this article, we will explain two, simple command line tips that enable you to only list all today’s files. One of the common problems Linux users encounter on the command line is locating files…
There are plenty of network monitoring tools you can find in the Linux ecosystem, that can generate for you a summary of the total number of devices on a network including all their IP addresses…
This tutorial will take you through the different ways of finding a directory in Linux. As you may already know, in Linux everything is a file including directories. And one of the common things a…
In this guide, we will briefly talk about the Apache web server front-end and how to list or check which Apache modules have been enabled on your server. Apache is built, based on the principle…
In this short article, we will walk newbies through the various simple ways of checking system timezone in Linux. Time management on a Linux machine especially a production server is always an important aspect of…
In computing, Batch processing is the execution of a series of tasks in a program non-interactively. In this guide will offer you 4 simple ways to batch convert several .PNG images to .JPG and vice-versa…
Did this ever happen to you? You realized that you had mistakenly deleted a file – either through the Del key, or using rm in the command line. In the first case, you can always…
In this article, we will briefly talk about ports in computer networking and move to how you can list all open ports in Linux. In computer networking, and more definitely in software terms, a port…
To compress a file(s), is to significantly decrease the size of the file(s) by encoding data in the file(s) using less bits, and it is normally a useful practice during backup and transfer of a…