When installing software on Ubuntu, sometimes you may be required to add third-party PPAs. Adding PPAs enables you to access software packages that have not been included in official Ubuntu repositories. Sometimes, when updating...
Recently, I bumped into the error ‘Could not get lock /var/lib/dpkg/lock’. As a result, I could neither install any packages nor update the system. This error is also closely related to the ‘Could not...
Nmap stands for Network Mapper, it is a free and open-source network discovery and reconnaissance tool used for host discovery and collecting detailed information about a host. Written in C, C++ and Python and...
When it comes to opensource web servers, Apache and Nginx usually take the lion’s share in the hosting space and will often get the most attention. But those aren’t the only opensource web servers...
Repetitive tasks are usually tedious and end up taking up a lot of your time and energy. Over time, multiple automation tools have been developed to help alleviate the hassle of executing repetitive jobs....
Echo command in Linux is one of the widely used command in day-to-day operations task. The echo command is a built-in command-line tool that prints the text or string to the standard output or...
In this guide, we will show you how to install and use Terraform on CentOS 8. Before we proceed further, what is Terraform? Created by Hashicorp, Terraform is a free and opensource declarative coding...
In the previous guide, we demonstrated how you can install Cacti monitoring server on CentOS 8. This tutorial goes a step further and shows you how you can add and monitor remote Linux hosts...
Cacti is a free and open source front-end network monitoring tool used to monitor and graph time-series metrics of various IT resources in your LAN. It uses the RRDtool to poll services at specified...
Short for change ownership, Chown command is a command-line utility that is used to change the user or group ownership of a file or directory and even links. The Linux philosophy is such that...
As much as Linux is considered a secure operating system, its security is just as good as the password strength of login users. Password policies exist to ensure that a strong password is set...
Google Drive is a cloud storage option that provides an excellent backup solution for all your files and folders. We cannot emphasize enough the importance of having backup copies of your files. Anything can...
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