Deploying & managing a Openstack cloud has multiple strategies, this article describes one of a such strategy kolla-ansible and shows how to create kolla-ansible multinode deployment setup.
As an administrator, there can be many situations when you need to find out that which ports are open on a remote server. This article explains nmap and telnet command to check open ports on remote server.
VLAN is a concept of breaking large broadcast domains into smaller domains. In this article, we will configure the VLAN interface in CentOS.
Linux is a multitasking OS. Which means multiple processes (tasks) are running at the same time. In this article we discussed how to kill a process.
Sublime Text is a powerful text editor that allows users to create, change, or edit plain text files. This article explains how to install and register the sublime in Ubuntu 20.04.
We have seen many instances as system admins that we need to change the hostname of the system. We discuss in this article how to change the local hostname of the Linux systems
To know our system I/O performance helps us tackle many performance related problems. Article explains disk I/O performance testing in Linux with fio command.
In this article, we are going to see how to configure static IP addresses in CentOS. We will discuss two strategies here one with CLI and the other with NetworkManager.
Some time for debugging and security purposes we need to check the ports which are being used. In this article, we will look into how to list all the listening ports in Linux.
WINE is a package that is developed for Linux to provide this compatibility with the help of WINE we can run Windows applications on top of Ubuntu. This article explains installation and use case.
