by Satish Kumar | Mar 4, 2021 | BASH
In this article, we are going to learn about OpenSSL. In this section, we are going encrypt and decrypt messages and files using OpenSSL. Prerequisites Besides having a terminal open, you need to have a basic knowledge of encoding and decoding schemes....
by Satish Kumar | Mar 3, 2021 | Linux
In this article, we are going to check the executable. We will find out which string is present in it by using the string command. Prerequisites Besides having a terminal open, make sure you have a binary present in your directory. Find dependencies First, we...
by Satish Kumar | Mar 2, 2021 | Linux
In this article, we are going to learn how to capture traffic. We are going to capture network traffic with a packet sniffer tool called tcpdump. This tool is used to filter or capture TCP/IP packets that are transferred or received over a network. Prerequisites...
by Satish Kumar | Mar 1, 2021 | Linux
In this article, we are going to learn about the mount command. To mount a file system onto the file system tree, use the mount command. This command will instruct the kernel to mount the file system found on a particular device. There is a mount point in the tree for...
by Satish Kumar | Feb 28, 2021 | BASH
In this article, we are going to learn how to check the integrity of a file and how to check for tampering by writing a simple shell script. Why do we need to check integrity? The answer is simple: administrators check integrity when there are passwords and libraries...
