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In this article, let us learn how to create our own commands in Linux. Yes – we will talk about creating alias commands. What is Alias ​​Command in Linux? alias Command provides a string value that replaces the command name when it is...

Elasticsearch is an open source search engine developed based on Java, so you need to install the Java runtime environment to run it properly. Specifically, Elasticsearch is a distributed search engine built on Apache Lucene. It uses Java t...

Installing Graylog on CentOS requires the following steps: 1. Add EPEL and MongoDB repositories: sudo yum install epel-release -y sudo rpm -Uvh https://repo.mongodb.org/yum/redhat/7/mongodb-org/4.4/x86_64/RPMS/mongodb-org-server-4.4.4-1.el7...

You can compile assembler programs using NASM on Linux or Windows, as NASM is available for both platforms. The NASM assembler will use mnemonics to convert low-level coding into machine language that the processor can understand. This arti...

While top the htop utility provides us with basic information about the processes running on our Linux system, the htop utility goes a step further and provides us with more information about the processes and also allows for several operat...

Hi everyone, if you are working with Kubernetes pods, like deploying your application, starting and stopping them by scaling to zero instances, and you just want to view logs or want to log into the Kubernetes pod itself, you must know how...

Symbolic links or soft links in Unix is ​​a very important concept to understand and use in various UNIX operating systems like Linux, Solaris or IBM AIX. Symbolic links provide us so much power and flexibility and make it very easy for...

How many times in a day do we have a hostname and want to know the IP address? While dealing with network commands in Unix, hostname to IP address and IP address to hostname conversion is one of the common things we need to do for many thin...

Basically, a Mac application has a .app ./file extension, but it's not really a file - it's a package. We can view the contents of an application by navigating to it in the Finder, right-clicking it, and then selecting " Show Package Conten...

Cryptocurrency enthusiast Christian 'CodesInChaos' Winnerlein once wrote: plnlrtfpijpuhqylxbgqiiyipieyxvfsavzgxbbcfusqkozwpngsyejqlmjsytrmd and eBkXQTfuBqp'cTcarg* have the same PBKDF2-HMAC-SHA1 hash. This intrigued me, so I decided to find...

Run TypeScript files from the command line using the ts-node package, for example npx ts-node myDirectory/myFile.ts . ts-node The command will convert the TypeScript file to JavaScript and run the code in one step. This is the TypeScript fi...

Use --user the -p option to install Python modules without root access, for example pip install requests --user . --user The -p option installs the package in the user's home directory and helps resolve permission issues. $ pip install requ...

In this article, let's review some interesting workarounds using the "s" substitution command in sed with a few real-world examples. 1. sed replaces the delimiter As we discussed in our previous article, we can use different delimiters in s...

This is the first article in the new awk tutorial series. We will publish several articles on awk in the coming time, which will explain all the features of awk with practical examples. In this article, let's review the basic awk working me...

Like any other programming language, sed also provides special branching commands to control the flow of the program. In this article, let's review the following two types of Sed branches. Sed unconditional branch Sed conditional branching...