Introduction Losing your root password on a Red Hat-based Linux server can be a serious problem. However, the recovery steps are simple if you follow this guide. Therefore, you can easily reset your root password in RHEL, CentOS, and Fedora. What You’ll Need Step 1: Access GRUB Bootloader Step 2: Edit Kernel Parameters Step 3:…
Introduction. The Linux ps command, which stands for “process status,” is used primarily to track all running processes in a Linux server and help to manage them. It comes with a bunch of ARGS with it, which have their own functionality to visualize the outcome. For example, the most commonly used command is ps -aux…
In this post, we’ll explore Rsync file transfer, including how it works, its key options, and how to set it up for fast and secure local and remote syncing on Linux systems. Rsync is a file transfer tool which is widely use to transfer data from local disk to Over Internet. The service use Port…
Introduction: While using the Linux OS, the shell script is one of the most useful ways to automate our day-to-day tasks. In such scripts, we require logic building, using if-else statement in a Linux shell script that executes tasks on the basis of conditions. In this session we will understand how we can build a…
Using a dedicated port instead of the default 22 port is widely increase security. In this blog we will understand how to to srtup SFTP on dedicated port, and inhance security to reduce risk of DDoS attacks on port 22 via ssh. Why Port 22 Is a Target? As we all know, port 22 is…
SFTP is a tool for storing data on a server using the SSH protocol. It provides a secure way to transfer data by using encryption, keeping both commands and files protected from breach or man-in-the-middle attacks. The major advantage of using SFTP over FTP is that SFTP uses a secure encrypted method to transmit data,…
Cron, a Linux utility, schedules and automates tasks on a server. This widely used feature lets your operating system run specific commands or scripts at a specified date or time. You can set cron jobs on a Linux machine by following a few simple steps. Why is cron used? Cron jobs simplify workflow and reduce…
The shell scripting is an linux based script which works on shell language. It uses Bash or sh as an interpreter to execute it. It is a basic command based script which can handle day-to-day tasks which require huge execution time. To learn basic shell scripting, you must have handson basic shell commands. The shell…
What is Shell? The shell works as a translator between you and your computer, which works on the basis of commands and provides kernel answers as a command output. Shell is a most powerful tool that can handle your Linux system with just a line of commands, and it makes users tasks more efficient. The…
In Shell, we use variable structure as a little container boxes where you can store the values you want to execute multiple times in your script. And the data type is something where you can use variables to present data using quotes ‘ ‘ and ” ” (single and double quotes). Double and single quotes…