Fix "The file system is read-only" error in Linux

Fix “File system is read-only” error on Linux Method 1: Set access rights The first way to fix “File system is read-only” error. on Linux is to check access rights. Sometimes a user accidentally or intentionally sets restrictions that are… Read more

Fix "ifconfig: command not found" error in Debian 9

Fix “ifconfig: command not found” error on Debian 9 The ifconfig command is used on Linux operating systems to configure or view network information. It was also present in the Debian 9 distribution, but later it was decided to replace this tool with other utilities more suitable for this procedure. However, now… Read more

View the user list on Linux

Viewing the list of users in Linux There are times when you need to know which users are logged into your Linux operating system. This may be necessary to determine if there are redundant users, if a particular user or a whole group of users needs their personal data changed. Also read: How… Read more

Installing the LXDE environment on Kali Linux

Installing the LXDE Environment on Kali Linux LXDE is one of the most common free desktop environments for Linux operating systems and is suitable for computers with limited RAM and a weak CPU. Some Kali distribution owners want to install this environment on their platform as primary or secondary. Next we… Read more

KDE installation on Kali Linux

Installing KDE on Kali Linux Active users of Linux operating system distributions sometimes set about changing their desktop environment for a variety of reasons. Kali Linux owners are no exception, as the functionality of this build allows you to put almost any environment available. On … Read more

Installing NetworkManager on Ubuntu

Installing NetworkManager in Ubuntu Network connections in the Ubuntu operating system are managed through a tool called NetworkManager. Through the console, it not only allows you to see a list of networks, but also activate connections to specific networks and configure them of all kinds with an additional utility. NetworkManager is already… Read more

Installing Midnight Commander on CentOS

Installing Midnight Commander on CentOS Many users prefer to install additional file managers on Linux to replace the default installed tools. One of these solutions is Midnight Commander, which has been considered the most popular and easy to use FM for many years. CentOS users face… Read more

Fix initramfs boot when Ubuntu starts

Fix initramfs booting when Ubuntu boots initramfs – A RAM file system used for the initial boot of Linux kernel-based operating systems. When installing the operating system, all the libraries, utilities and configuration files are compressed into one file and then transferred... Read more

Guide to configure internet connection on Ubuntu server

Guide to configure internet connection on Ubuntu server

Guide to Setting Up Internet Connection on Ubuntu Server Due to the fact that the Ubuntu Server operating system does not have a graphical interface, users encounter difficulties when trying to set up an Internet connection. This article will tell you which commands you need to use and which files to adjust to achieve the desired result. Read... Read more

Creating a shared folder on CentOS

Creating a shared folder in CentOS By default, access to folders in the CentOS operating system is restricted, so in case you need a network share, you need to change certain parameters. There is nothing complicated in this procedure, but you will have to install an additional tool and make changes… Read more

Find free disk space in Linux

Find free disk space in Linux

Finding free disk space in Linux After a long time working on the computer, a lot of files accumulate on the disk, thus taking up free space. Sometimes it becomes so small that the computer starts to lose performance and the installation of new software cannot be completed. To prevent this from happening, you need to control… Read more

Asterisk installation on CentOS 7

Installing Asterisk on CentOS 7 Asterisk is one of the most popular computer telephony solutions, actively installed on a wide variety of servers. It supports practically all modern codecs and protocols, and also shows good stability, which is why it has gained such popularity among system administrators. However, … Read more

Installing MySQL on CentOS 7

Installing MySQL on CentOS 7

Installation of MySQL on CentOS 7 MySQL is rightfully considered one of the best database management systems, therefore it is actively used by both professionals and amateurs in the field of working with websites and various applications. For this tool to work properly, it must be installed on the operating system... Read more

Astra Linux installation

Installing Astra Linux Astra Linux is a home distribution of an operating system based on the Linux kernel. This solution is often used in government institutions, which are primarily concerned with security. However, sometimes the requirements of an employer or personal preferences can also become a… Read more

Open ports in CentOS 7

Opening ports in CentOS 7 Almost all users of the CentOS 7 distribution install various tools on the system, which require opening ports of specific numbers to work properly. This is necessary to ensure normal connection to nodes and secure exchange of information. The task is performed by changing the… Read more

File renaming in Linux

Renaming files in Linux In any operating system, be it Linux or Windows, it may be necessary to change the name of the file. And if Windows users cope with this operation without unnecessary problems, then on Linux they may encounter difficulties due to their ignorance of the system and the abundance of many … Read more

View open ports in Ubuntu

View open ports in Ubuntu Any program communicates with another over the Internet or within a local network. Special ports are used for this, usually TCP and UDP. It is possible to find out which of all available ports are currently in use, i.e. considered open, with the help of … Read more

Samba setup guide on Ubuntu

Samba setup guide on Ubuntu

Samba Setup Guide on Ubuntu If you need to work with the same files on different computers running different operating systems, Samba will help you with this. But setting up shared folders on your own is not that easy, and for a normal user, this task is quite impossible. This article will show you how to set up Samba on... Read more

Format a disk in Linux

Format a disk in Linux

Format a drive in Linux Working with Linux operating system, every user may be faced with the need to format the built-in or external hard drive. Especially often, questions on this topic arise from novice users who are just beginning to get acquainted with this family of operating systems, since… Read more

Video Editors for Linux

Video Editors for Linux Many users who have just switched to Linux are facing problems related to finding the right software. Among the categories of this type of applications are video editors. In Linux distributions you will not find any professional software similar to Sony Vegas Pro or Adobe… Read more

Debian Internet Connection Configuration Guide

Debian Internet Connection Configuration Guide

Debian Internet Connection Setup Guide Debian is a specific operating system. Most of the users, having installed it, experience all sorts of problems while working with it. The fact is that this operating system needs to configure most of the components. This article will discuss how to configure networking in Debian. Also read: Guide… Read more

Installing Nginx on CentOS 7

Installing Nginx on CentOS 7 Nginx is a popular web server that is actively used to serve websites and various applications. It is a powerful free Internet server used by system administrators to create a chain of components that interact in a stable way with each other. Especially Nginx is often installed... Read more

Examples of the grep command on Linux

Examples of the grep command in Linux Sometimes users are faced with the need to search for certain information within some files. Configuration documents or other voluminous data often contain a large number of lines, so you cannot manually search for the necessary data. In this case, go to… Read more

DNS configuration in CentOS

Configuring DNS on CentOS Step 1: Install the necessary packages Before we start looking at the following instructions, we would like to point out that we already have a general guide for configuring standard DNS on Linux on our website. We recommend that you use it if you want to configure the settings for normal Internet browsing. … Read more

Linux cat command examples

Linux cat command examples

Examples of Linux cat commands Linux operating systems have many built-in utilities, the interaction of which is carried out by entering the appropriate commands in the "Terminal" with various arguments. Thanks to this, the user can in all ways manage the operating system itself, various parameters and available files. One of the most popular commands is cat , and... Read more

Using the df command in Linux

Using the df Command in Linux Checking the free space on a drive in Linux is one of the main tasks to perform to monitor the current status of a hard drive, flash drive, or SSD. Many additional utilities or GUI programs can be used for this. However, if not... Read more

Installing Yandex.Browser on Linux

Installing Yandex.Browser on Linux Yandex.Browser is a popular web browser from Russian developers. It is actively used not only by owners of Windows operating systems, but is also installed on distributions based on the Linux kernel. The installation procedure is slightly different from other operating systems and can be done by… Read more

Installing Webmin on CentOS 7

Installing Webmin on CentOS 7 As you already know, the CentOS 7 distribution usually acts as an operating system that is installed to manage servers or hosting. However, the standard functionality of the operating system is not enough, so almost all administrators are faced with the need to install additional packages. A … Read more

Debian setup after installation

Configuring Debian after installation Debian cannot claim to be fully operational right after it is installed. It is the type of operating system that needs to be configured first, and this article will show how to do it. Also Read: Popular Linux Distributions Configuring Debian Because of Debian's many installation options (networked, basic, … Read more

Popular Linux distributions

Popular Linux Distributions A user who just wants to get acquainted with the Linux kernel operating systems can easily become confused with the range of all possible distributions. Their abundance is due to the open source kernel, which is why developers around the world are diligently replenishing the ranks of operating systems… Read more

Configuring access rights in Linux

Configuring access rights in Linux

Configuring access rights in Linux Linux kernel-based operating systems have a permission configuration tool that allows you to share access rights between accounts. This restricts access to certain files, directories, or applications. In total, there are three types of such rights: read, write, and execute. Any of them … Read more

Kernel update in Ubuntu

Updating the kernel in Ubuntu The kernel of Linux distributions is the backbone of the operating system, which is responsible for device compatibility and performs other important options. Nowadays developers try to release kernel updates every few months or even more frequently to introduce new features… Read more

OpenVPN installation on Ubuntu

Installing OpenVPN on Ubuntu Some users are interested in creating a virtual private network between two computers. For this, VPN (Virtual Private Network) technology is used. The connection is made using open or closed utilities and programs. Once all the components are successfully installed and configured, the procedure can be considered… Read more

UFW setup in Ubuntu

Configuring UFW in Ubuntu Almost all advanced users of Ubuntu are interested in ensuring the security of their network. Also, many use certain network utilities that will only work properly after setting specific firewall rules. Today we want to talk about Firewall configuration using UFW (Uncomplicated Firewall) as an example. … Read more

Kali Linux Installation Guide

Kali Linux Installation Guide To install the operating system, you will need a 4GB or larger flash drive. The Kali Linux image will be written to it, and the computer will boot from it. If you have the drive, you can skip to the step-by-step instructions. Step 1: Download the system image… Read more

Move files in Linux

Moving files in Linux Moving files in an operating system is one of the easiest and most frequent tasks that every user encounters. Sometimes when moving from Windows to Linux, beginners are unable to navigate the graphical user interface and terminal commands to move or copy certain… Read more

Using RDP clients on Linux

Using RDP clients on Linux

Using RDP clients in Linux RDP (Remote Desktop Protocol) technology allows users of the same or different versions of operating systems to remotely control a computer. There are special clients, different from the console utilities, where this option is implemented through a graphical interface, which… Read more

SSH Settings on CentOS 7

Configuring SSH in CentOS 7 SSH (secure shell) is a protocol for establishing an encrypted connection between a client and a server. With this technology, you can control a computer remotely. Interaction with the utility takes place in the terminal, and in the CentOS 7 operating system it is added by default. By … Read more

Solve password entry problems in Ubuntu's "Terminal"

Solving Ubuntu "Terminal" Password Entry Problems Novice users who are just getting to grips with the Ubuntu operating system often run into a variety of difficulties they have never heard of. One of them is the situation where the password in «Terminal». is not entered. … Read more

Examples of tcpdump on Linux

Linux tcpdump examples If you need to analyze or intercept network packets on Linux, the best way to do this is to use the tcpdump console utility. But the problem arises in its complicated management. The average user will find it quite uncomfortable, but that's just at first glance. In this article, we will tell how to… Read more

Installing packages on CentOS

Installation of packages in CentOS Absolutely all users working with the CentOS operating system find it necessary to install several packages to add the required program and start interacting with it. This task can be carried out in different ways, depending on the type of software and the personal preferences of … Read more

Unzip TAR.BZ2 files on Linux

Decompressing TAR.BZ2 Files on Linux Method 1: Standard Archive Manager There are a large number of GUI archivers that allow you to decompress files in TAR.BZ2 format. However, sometimes it is not necessary to install them. On many Linux distributions this tool is already installed and opens downloaded files by default. That is why we offer… Read more

The ln command in Linux

The ln command in Linux

The ln Command in Linux The ln command in Linux kernel-based operating systems is used to create hard and symbolic links to files. The user is required to respect the syntax of the utility, to specify the correct options and the location of the files. Today we would like to tell not only about the… Read more

SSH Configuration on Debian

Configuring SSH in Debian As you know, the open source SSH technology allows you to remotely connect to a given computer and transmit data via a selected secure protocol. It also allows full control of the selected device, ensuring the secure exchange of important information and even passwords. Sometimes users feel… Read more

Termination of processes in Linux

Process Termination in Linux Every program, utility, or some other element of the Linux operating system is implemented as one or more processes that operate in the background or in active mode. Each of these processes consumes a certain amount of system resources and runs for a certain amount of time. Sometimes it happens … Read more

Using the PS command in Linux

Using the PS command in Linux Output without options PS (process state) is a standard utility for all Linux distributions, used through the console. Its main purpose is to display information about all running processes. The amount and detail of information displayed depends on… Read more

Installing phpMyAdmin on Ubuntu

Installing phpMyAdmin on Ubuntu Virtually all web developers with an Ubuntu distribution interact with the phpMyAdmin tool to manage MySQL server databases through a web interface. In addition, this component is part of LAMP, whose installation we have already discussed on our website in another article. The … Read more

Debian 9 Installation Guide

Debian 9 Installation Guide

Debian 9 Installation Guide The Debian operating system is one of the first distributions based on the Linux kernel. In view of this, the installation process may seem complicated for many users who have just decided to get acquainted with this system. To avoid problems during it, it is recommended to follow the instructions that … Read more


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