To access your instance using HTTPS through Apache, you need to follow these steps: Step 1 : Install the Let's Encrypt client, certbot sudo apt-get update sudo apt install certbot python3-certbot-apache Step 2 : Request a certificate from Let's Encrypt sudo certbot --apache -d example.com -d www.example.com Step 3 :...

To access your instance using HTTPS through NGINX, you need to follow these steps: Step 1 : Install the Let's Encrypt client, certbot sudo apt-get update sudo apt install certbot python3-certbot-nginx Step 2 : Request a certificate from Let's Encrypt sudo certbot --nginx -d example.com -d www.example.com Step 3 :...

Follow these steps to set up public key authentication: Step 1 : Change to the home directory with cd ~/ cd ~/ Step 2 : Create a .ssh directory if it doesn't already exist mkdir .ssh Step 3 : Create a file named authorized_keys under the .ssh directory touch .ssh/authorized_keys...

Viewing permissions Step 1 : Use the ls command to list the access permissions of files and directories. ls -l Step 2 : In each line, we see several fields of information. 1 : The permission strings 2 : The link count for the object 3 : The user that...

Add User to Sudoers Step 1 : To give additional users access to sudo, all you would need to do is add them to the sudo group sudo usermod -aG sudo myuser Configure sudo Step 2 : User with sudo privileges access to everything, and that may or may not...

Set an expiration date on a user's password Step 1 : Type chage -l username command to display expiration date on a user's password. sudo chage -l myuser Step 2 : When creating user accounts, The chage command allows you to force a password change for a user when he...

List all groups Step 1 : The /etc/group file contains information regarding the groups that have been created on your system. Go ahead and take a look at this file on your system: cat /etc/group Creating new groups Step 2 : The groupadd command allows you to create new groups....

Creating users Creating users in Ubuntu can be done with one of either of two commands: adduser and useradd useradd Step 1 : First, Creating a User with specific home directory sudo useradd -d /home/username -m username Step 2 : If you list the storage of /home, you should see...

Sysbench is a benchmarking tool to evaluate a system running database under intensive load. It is also being used as a tool to evaluate the performance of multiple cloud service providers. Step 1 : Before using Sysbench, we will need to install it. sudo apt-get install sysbench Step 2 :...

The Ubuntu server provides tons of utilities to ease network monitoring and administration. Step 1 : Install the sysstat package as follows. sudo apt install sysstat Step 2 : The first command we will look at is vmstat vmstat Step 3 : There's one more option, -p, that displays partition-specific...