Operating System Articles - Page 57 of 199

You can use various types of commands to get the total size of all files in a directory on Linux. There are also some GUI tools in Linux to display the total size of the directory in a more simple format. Getting the correct information about the directories can help a user to find the storage allocation of the complete system. That's why Linux users always look for ways to find the total size of the directory. In this guide, we will explain various methods to find the total size of all files in the directory on Linux. Finding the ... Read More

A Linux system may consist of various users with different permissions. However, sometimes we need to find and access a specific user's files. So, in this case, you can use the find command to display the files owned by any other user. The find commands let you search for a specific file in the directory. With this command, you can find the list of available files per the owner, type, and attributes, like a file name. The find command utility is pre-installed in almost every Linux distro. So if you also want to find the file which a specific user ... Read More

Appending a line or string to a file is sometimes necessary to change the output without deleting the existing data. It is a valuable way to modify a file by adding several lines between the existing ones of a file. "append" means adding the data into a file without erasing currently available data. To append a line in the file, you can use various commands such as printf, echo, tee, cat, etc. Although appending a line is easy, many beginners always require clarification. So this tutorial will include the simple approaches for appending a non-existent line to a file. File ... Read More

Sometimes, You need to connect your system on two different remote servers. In this condition, you can remove and troubleshoot connectivity issues by enabling debugging or verbose mode of these servers using the SSH command. By enabling the debugging mode in SSH, you can see the detailed information related to the SSH connection. You can also check the exchanged data between client and server. Using the -v option, you can run SSH in verbose mode. Running SSH in verbose mode prints debugging information about progress for authentication, debugging connections, or any configuration problems encountered. In this guide, we will explain ... Read More

ELK Stack is one of the best tools to view and handle files in the ELK Stack or the Elastic Stack. This tool consists of E- Elasticsearch, L- Logstash, and K- Kibana, the three open-source tools. ELK Stack tools are used to process and analyze large amounts of data in real time. However, Beats is an open and independent platform for single-purpose data shippers. It sends data from hundreds or thousands of systems and machines to Elasticsearch or Logstash. ELK Stack is widely used in various industries, such as healthcare, finance, and IT, for troubleshooting, monitoring, and log analysis. So ... Read More

Elementary OS, a Ubuntu-based Linux OS, offers a stable, fast, and beautiful experience. Linux is always confusing for Windows and macOS users due to various reasons, some of which are as follows − Windows and macOS have a more standardized GUI (Graphical User Interface) quite different from the Linux user interface. So it is difficult for the users to find the correct tools for their requirements The command line interface of Linux is quite different from that of Windows and macOS. That's why users are not able to use it widely. Sometimes Linux only supports less popular or newer ... Read More

There are various commands in Linux to copy directories from one destination to another. In Linux, you can copy a directory recursively using the -R option with the cp command that copies the source directory, including all its files, to the destination. Conversely, sometimes we need to copy only the empty directory structure to a different target directory without copying its files from the source directory. It takes a long time if you copy the directory structure one by one without the files. In this case, you can use some commands in Linux to copy the empty directory structure directly ... Read More

Changing the default shell in Linux is simple, it gives you the freedom to use any shell accordingly. The default shell of most Linux systems is 'bash, ' which you replace from any other shell such as sh, fish, dash, zsh, etc. There can be many reasons in Linux why you need to change your default shell; some of the main reasons are as follows − To disable or block normal user logins using a nologin shell. Change the default shell on a shared network to meet the user's specific demands. It is associated with many administrative rights. A ... Read More

Semaphores are assorted data types with 2 areas set of procedures and non-negative integers within a waiting list. It is utilized to explain precarious section drawbacks, and through utilizing 2 processes, it shall be explained. Pause and signal are utilized for the technical organization. It may be a variable utilized to control access to a shared supply by manifold threads and escape critical segment drawbacks in a system like a multitasking process. Semaphores permit a random resource count is known as calculating semaphores. Levels of the Operation There are the levels that come with life that may assist with accepting ... Read More

Introduction Slack has become a ubiquitous team chat tool for remote and distributed teams around the world. However, it's not the only option available. There are many great alternatives to Slack, both free and paid, that offer unique features and benefits to meet the needs of different teams. This article will explore the best Slack alternatives for team chat, highlighting both the pros and cons of each option to help you make an informed decision. Free Slack Alternatives If you're looking for a free team chat tool that can replace Slack, here are three great options to consider − Discord ... Read More