Ubuntu Server 20.04

How to Manage jobs in Ubuntu Server 20.04 LTS

April 18th 2021, 3:53
Step 1 : Open a file or just start a blank session. With the text editor open, we can background it at any time by pressing Ctrl + Z on our keyboard. You should have seen some output similar to the following: [3]+ Stopped vim file1.txt Step 2 : we...

How to Show running processes with the ps command in Ubuntu Server 20.04 LTS

April 17th 2021, 11:36
While managing our server, we'll need to understand what processes are running and how to manage these processes. We first need to be able to determine what is actually running on our server. The ps command allows us to do this. Step 1 : The ps command will show a...

How to Install Ubuntu Server 20.04 LTS

April 18th 2021, 4:22
Step 1 : Insert the Ubuntu installation media into the appropriate drive, power on the system and follow the onscreen instructions to open the boot menu. The key you press at the beginning of the POST process differs from one machine to another, but it's quite often F10, F11, or...

How to do CRUD operations in MongoDB (Ubuntu 20.04)

April 17th 2021, 7:41
CRUD operations create, read, update, and delete documents. Follow these steps to store and retrieve data with MongoDB Step 1 : Open a shell to interact with the Mongo server mongo Step 2 : To create and start using a new database, type use dbname. Since schemas in MongoDB are...

How to Install and Configure MongoDB on Ubuntu 20.04

April 17th 2021, 7:44
Use this tutorial to install and configure MongoDB, which is a not only SQL (NoSQL) document storage server. You will need access to a root account or an account with sudo privileges. To get the latest version of MongoDB, we need to add the MongoDB source to Ubuntu installation sources:...

How to Secure Ubuntu ubuntu 20.04

April 18th 2021, 5:00
Linux is considered to be a well secured operating system. It is quite easy to maintain the security and protect our systems from unauthorized access by following a few simple norms or rules. You will need access to a root or account with sudo privileges. These steps are intended for...

How to Set Up a Firewall with UFW on ubuntu 20.04

April 17th 2021, 7:14
Uncomplicated firewall (UFW) provides easy-to-use interface for people unfamiliar with firewall concepts. It provides a framework for managing netfilter as well as the command-line interface to manipulate the firewall. With its small command set and plain English parameters, UFW makes it quick and easy to understand and set up firewall...

How to Install and Configure fail2ban on ubuntu 20.04

April 17th 2021, 7:14
Step 1 : How to Install and Configure fail2ban on ubuntu 20.04 apt-get install fail2ban After installation, the fail2ban daemon will start up and be configured to automatically start at boot-time. Configuring fail2ban is simply a matter of creating a configuration file. But, you shouldn't use its default config file...