This tutorial will help you to stop and disable Firewalld on CentOS 7 system. FirewallD is a firewall management tool which is available on CentOS 7 servers by default. You can manage and configure network connections which traffic is allowed or disallowed to and from the system. With the release of CentOS 7, FirewallD...
Skype is most popular applications for communication via Text, Audio and Video. You can make online free audio and video calls over the internet. It is also providing service of international calling to mobiles and landlines worldwide at affordable price. Now a days, Skype has its free version for Linux and Android operating systems....
This tutorial outlines steps to change hostname on Debian 9 system. The hostname will be set at the time of installation of Debian operating system. If you are creating a virtual machine, it will dynamically assign when instance created. Prerequisites# Before starting with tutorial, ensure that you are logged in as a non-root user...
By default, the timezone on CentOS set at the time of installation. To change timezone in CentOS is easy and straight forward. In this guide, we will show you how to change timezone on CentOS 7. Prerequisites# You should logged in as a user with sudo privileges. Get Current Timezone# You can get current...
Secure Shell Service known as SSH which is used for secure connection between a client computer and a server. Using SSH you can connect to your system remotely, perform administrative tasks and access files. In this tutorial you will learn how to enable SSH on Ubuntu to communicate securely with server. Prerequisites# Before you...
The hostname will be set at the time of installation of CentOS operating system. If you are creating virtual machine then it will be assigned dynamically at the instance creation time. This tutorial helps you to change a hostname on a CentOS 7 system. Prerequisites# Before starting, make sure you are logged in with...
SSH is a network protocol which is used to remotely communicate securely with a Linux systems. By default, SSH service is using port 22. You can add additional security layer by changing SSH port to your server and reduce risk of attacks by hackers and bots. In this tutorial, you will learn how to...
SSH (Secure Shell) is a encrypted protocol which allows client system to communicate securely with a server. You can connect to your system remotely, perform administrative tasks and access files. Communicate with server using SSH keys is more secure and convenient way than password authentication. In this tutorial, we have described how to create...
In Ubuntu system, root user account is disable by default for improve security of system. At the installation time of Ubuntu Linux the root user is creating automatically but not asking to set password for root user. In Linux, a user account without password or empty password is considered as a disabled account. This...
Git is the most popular distributed version control system. It used to track changes in source code during software development. It allows to collaborate with programmers, revert to previous changes and create branches. In this tutorial, you will learn how to install Git on Debian system. Prerequisites# You must have logged in with non-root...