Reset root password using single user mode in Linux

It is possible that you loss or forget your root password for your Linux server and you do not have sudo user as well. In such case, you can reset your root user password by booting your server in single user mode. The steps may vary depending on your Linux operating system. We will provide […]

How to update the Kernel in CentOS / Red Hat

Updating Kernel on the Linux system is essential. On most server, by default Kernel is excluded from automatic operating system and you have to schedule Kernel upgraded. Updating Kernel on CentOS / Red Hat server is as easy and you just need to execute the following command: yum -y update kernel In the above command, […]

How to set or change Hostname in Linux

In Linux, it is not difficult to change the hostname. In Linux, you can change hostname using hostname command. If you execute hostname command without any parameter, it will display current hostname. If you want to change or set hostname of your Linux system, simply run: # hostname new-hostname The above command will change the […]

Install and Configure maldet (Linux Malware Detect)

Maldet is a Linux Malware Detect (LMD) is a malware scanner for Linux servers. The signatures that LMD uses are MD5 file hashes and HEX pattern matches, they are also easily exported to any number of detection tools such as ClamAV. Following are the steps to install and configure maldet: [1] Download maldet from rfxn.com […]

Difference between su and sudo

For the most Linux distributions, su and sudo are widely used commands. In this article we will discuss what is the main difference between su and sudo commands. What is ‘su’ command? ‘su’ commands forces you to share your root password to other users. When any superuser type su, it will prompt to enter the […]