by Satish Kumar | Mar 11, 2021 | BASH
In this article, we are going to create a config file and use it in our shell script. Prerequisites Besides having a terminal open, you need basic knowledge of creating scripts and config files. Write script Now, we are going to create a script and config file. The...
by Satish Kumar | Mar 10, 2021 | BASH
In this article, we are going to learn how to calculate and reduce the script’s runtime. A simple time command will help in calculating the execution time. Prerequisites Besides having a terminal open, make sure you have the necessary scripts present in your system....
by Satish Kumar | Mar 9, 2021 | BASH
In this article, we will learn about the TLP Linux tool. TLP is a command-line tool; it is used for power management and will optimize the battery life. Prerequisites Besides having a Terminal open, you need to ensure that you have TLP installed on your system. How to...
by Satish Kumar | Mar 8, 2021 | BASH
In this article, we will create a simple NAT firewall with DMZ using iptables. Prerequisites Besides having a Terminal open, you need to ensure that iptables is installed in your machine. Write script We will write a script to set up a DMZ using iptables. Create...
by Satish Kumar | Mar 7, 2021 | Linux
In this article, we will learn about finding the failed SSH attempts and blocking those IP addresses. To find failed attempts, we will use grep as well as cat commands. The login attempts to the SSH Server are tracked and recorded into the rsyslog daemon....
