ssh is very useful protocol and tool used by Linux system administrators. It provides easy, secure and fast access to the remote systems and servers. It also provides file copy between local and remote systems securely. But in an enterprise environment we generally need to run single command on multiple...
Linux bash provides a lot of mechanisms to make system administrators life easier. These features are similar to the programming language features like variables, decisions, loops etc. In this tutorial we will look loops which can be implemented with for and while we have already examined for loops in the following tutorial. Bash...
Renaming or moving directories and folder can be tricky if those directories and folders have some subfolders. Or the destination may have all ready same name folder which will create some error. In this tutorial we will look how to rename and move directories and folders in Linux. Rename Using...
PostgreSQL Database Server have a lot of tools to manage the suite. Creating user is one of the most popular issue to manage Postgres Database. In this tutorial we will examine how to create user with different rights, privileges, database. We will mainly follow createuser tool for these and createuser is a...
PostgreSQL is very popular open source database. It is used by big companies like Google, Facebook etc. PostgreSQL can be used without a cost. In this tutorial we will look how to install PostgreSQL into Linux distributions like Debian, Ubuntu, Mint, Fedora, CentOS, RedHat by using different ways like package...
Linux Bash provides a lot of useful features and commands. Pipe or | is one of them. Bash provides command line interface facility which mainly used to concatenate command output to another command. Concept In Linux everything is file. This may seem odd but it is. Every command executed will have...
Lftp is a powerful command line tool which supports FTP, HTTP, SFTP, FISH, TORRENT protocols for file and data transfer. As we can see it supports popular data and file transfer protocols. It uses GNU TLS or OpenSSL for SSL/TLS encryption. In this tutorial we will look installing and different...
Linux provides different tools for the similar or same functionality. chgrp is the shortcuts for change group where used to change files group ownership. In this tutorial we will look different uses cases for chgrp and examples. chgrp provides similar functionality to chown Syntax Syntax is simple where we provide options...
Hostname is used to identify the Linux hosts. We generally prefer to put related host names to the systems like web1, db5 etc. In this tutorial we will look how to find and print hostname and change it with different methods. Following examples can be used for other Linux distributions...
Python provides a tool named pip in order to install python modules. Most of the python applications use pip in order to install dependencies. In order to use pip we should install it. In this tutorial, we will look at how to install pip for Python 2 and Python 3. Install...
