JIYIK CN >

The iptables firewall is used to manage packet filtering and NAT rules. iptables comes with all Linux distributions. Knowing how to set up and configure iptables will help us manage the Linux firewall effectively. The iptables tool is used...

edit Win / Linux Mac Notes Frequency of use Ctrl + Space ⌃Space Code auto-completion (usually conflicts with input method) ★☆☆☆☆ Ctrl + Shift + Enter ⌘ ⇧ ↩ Intelligent code completion (such as: if ()) ★☆☆☆☆ Ctrl...

This article explains how to create, attach, detach, record and exit a screen session in Linux using screen command. screen What is command in Linux? screen The screen command is a bash program used to manage Linux windows. Using the screen...

GCC It is the abbreviation of GNU Compiler Collection , which is applicable to different programming languages ​​such as R, C, C++, Objective-C, Fortran, Ada, Go, D, etc. We can apt install the compiler on Ubuntu using the command line...

The Linux operating system consists of layered file systems. There can be many different types of file systems, ext4 , tmpfs , securityfs , configfs etc. This article will explain how to get a list of mounted file systems in Linux. In Linux...

This tutorial demonstrates how to use the Bash command-line interface (CLI) to open a plain text file with a specific line number using the vi or vim editor. First, we will briefly introduce vi the editor and its successor vim , the editor....

In this article, we will explain how to move multiple files to the same directory in Linux. We will explain different methods such as typing multiple file names, using wildcard characters ( * ) to represent similar file names and/or identic...

Sometimes you want to do some deep cleaning of your system by finding unnecessary large files and deleting them or removing files that are smaller than a predetermined size, such as logs. Linux provides various utilities that can help us fi...

rar A file, also known as Roshal Archive Compressed, is a type of compressed file that contains multiple files and directories. Special programs are used to access and extract rar the contents of a file. In this article, we will explain how...

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...

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...

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...