智能运维

Introduction Ubuntu 16.04 End of Life (EOL) is scheduled for April 30, 2021. Make sure to prepare in advance by upgrading or migrating servers running on Ubuntu 16.04 systems. In this tutorial, …

Introduction A User-Agent (UA) string is information included in the HTTP header, acting on behalf of a user. When you connect to a website from a browser, the UA informs the website from which brows…

Introduction Files created in DOS/Windows use carriage return (/r) and line feed (/n) for line endings. However, files in Unix/Linux solely use line feed. Therefore, when transferring a file from one…

Introduction The Linux hostname command is used to view or change a system’s domain and hostname. It can also check a computer’s IP address. In this tutorial, we will cover all the ways you can use t…

Introduction The dig (Domain Information Groper) command is a DNS lookup utility. It’s often used by system and network administrators to collect Domain Name Server information. Apart from collecting…

Introduction A link creates a reference to a file or folder. Symbolic links are used in Linux for managing and collating files. In this guide, learn how to use the ln command to create symbolic links…

Introduction The dd command-line utility is used to convert and copy files on Unix and Unix-like operating systems. By default, the dd command doesn’t show any output while transferring files. This c…

Introduction SSH stands for Secure Shell and works as a method to establish remote connections between computers. SSH is usually used to log in and manage a remote server. This guide will help you ge…

Introduction CentOS 6 EOL is just around the corner, with its due date scheduled for November 30th, 2020. If you have servers running on CentOS 6 systems, make sure to prepare for this occasion. Lear…

Introduction The dig command in Linux is used to gather DNS information. It stands for Domain Information Groper, and it collects data about Domain Name Servers. The dig command is helpful for troubl…