Linux, Ubuntu, Debian, Mint, CentOS Tutorials
Linux operating system and distributions are based on the Linux kernel which is a low-level operating system layer that mainly manages all system resources and provides services to the user-level tools. Linux kernel is an open-source project and is updated regularly. Every time the Linux kernel version change. In this tutorial, we will learn how … Read more
The IP address is the core of the computer networks where we use an IP address in our daily life regularly. When we try to access a web page or a game or a video stream the remote server IP address is used to connect and data transfer. IP Address Types IP is a protocol … Read more
Users are one of the most important parts of the Linux operating systems like Ubuntu, Debian, Mint, Kali, CentOS, etc. By creating user accounts different users and people can log in and use the Ubuntu system with their own permissions, files, and configuration. This tutorial can be used to list users in VM, Guest, VPS, … Read more
Linux is a multitasking operating system that shares resources with different processes. Every process takes some CPU, memory, and similar resources which can be monitored with the time command. The time command is also used for performance testing which is generally used to test and count the performance of the scripts and commands. The time … Read more
Bash provides different parameters to get input from different sources. $0 is a special parameter that is used to store the name of the bash script. This $0 parameter is automatically assigned by the bash or bash interpreter and can not be changed in a script file like a regular variable. This makes it a … Read more
SSH is a popular protocol used to manage systems remotely, transfer files, etc. SSH provides access to the remote systems in a secure way by encrypting the communication which is transferred over the computer networks. SSH also protects security by making authentication to access remote systems. Authentication can be done in different ways. The most … Read more
The arping command is a command-line tool used in the Linux operating system to discover and detect hosts on the network. The arping uses the ARP protocol in order to ping hosts with the Layer 2 ARP requests. The ARP protocol is used to resolve IP addresses to the MAC addresses in order to communicate … Read more
The ping command is provided by the Linux distributions like Ubuntu, Debian, Mint, Kali, CentOS, RHEL, SUSE by default. The term ping is the short form of the “Packet Internet Groper”. The ping command is used to check remote system network connectivity and troubleshoot the problem. The ping command uses the ICMP protocol and packets … Read more
Ubuntu uses the apt and apt-get command in order to manage packages. The apt is the next-generation update of the apt-get command and provides the same features with some extra useful features. The apt command can be used to list upgradeable packages before and upgrade. Update Package and Repository Information with “apt update” The apt … Read more
The bash shell provides a lot of features that can be configured by using bash configuration files like /etc/profile , ~/.bash_profile , ~/.bash_login etc. The .bash_profile file is located in the current user home directory as a hidden file. In some distributions may use the ~/.bashrc according to the .bash_profile file. In this tutorial, we … Read more