How to Install Updates on CentOS 7.
How To Install Updates On CentOS 7. In this tutorial, we will show you how to manually update system packages on CentOS 7. The same instructions apply for CentOS 6....
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How to Run Sudo Command Without Password.
How To Run Sudo Command Without Password. The sudo command allows trusted users to run programs as another user, by default the root user. If you spend a lot of...
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How to List and Delete UFW Firewall Rules.
How To List And Delete UFW Firewall Rules. In this tutorial, we will cover how to list and delete UFW firewall rules. UFW stands for Uncomplicated Firewall, and is a...
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How to List Groups in Linux.
How To List Groups In Linux This tutorial explains how to show all groups a user is a member of. We will also explain how to list all members of...
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How to Check for Listening Ports (Ports in use).
How To Check For Listening Ports (Ports In Use). Network port is identified by its number, the associated IP address, and type of the communication protocol, such as TCP or...
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How to use apt command in Linux.
How To Use Apt Command. This guide serves as a quick reference for the apt commands. Most of the apt commands must be run as a user with sudo privileges....
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How to Set DNS Nameservers on Ubuntu 18.04
How To Set DNS Nameservers On Ubuntu 18.04 The Domain Name System (DNS) is a central part of the web’s infrastructure, providing a way to translate domain names into IP...
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How To Add Apt Repository in ubuntu.
How To Add Apt Repository In Ubuntu. In this tutorial, we will show you two ways to add apt repository on Ubuntu and Debian systems. The first method is by...
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How to remove the bond0 interface in Ubuntu 20.4.
How To Remove The Bond0 Interface In Ubuntu 20.4. Network bonding (also called “NIC teaming”) is a method for combining multiple network interfaces to form a single, logical network interface...
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How to Change Root Password in Ubuntu 20.4.
How To Change Root Password In Ubuntu 20.4. This tutorial explains how to temporally change to the root user account and how to set the root password on Ubuntu systems....
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