How do I uninstall package or software using the command line in Linux operating systems? How can I uninstall software on a Debian or Ubuntu Linux? Can you tell me command to uninstall package on a CentOS/RHEL/Oracle/Fedora Linux?
[continue reading…]

The Intel Advanced Encryption Standard (AES) or New Instructions (AES-NI) engine enables high-speed hardware encryption and decryption for OpenSSL, ssh, VPN, Linux/Unix/OSX full disk encryption and more. How do I check support for Intel or AMD AES-NI loaded in my running Linux in my Linux based system including OpenSSL?
[continue reading…]

How do I determine the system resource usage during of execution of a particular command on a Linux, OS X Unix, BSD and Unix-like operating system?
[continue reading…]

I am a new RHEL / Centos Linux server admin. I would like yum to update all packages except the Linux Kernel. How can I prevent yum command from updating kernel on a CentOS/RHEL/Fedora Linux based systems?
[continue reading…]

I am running Red Hat Enterprise Linux on IBM based system. How do I display bandwidth usage on an interface by host in real time using command line option? How do I monitor bandwidth usage in a real time on RHEL or CentOS Linux based server? How can I install iftop utility on CentOS or RHEL server using the yum command?
[continue reading…]

How do I use bash auto complete features with various command on CentOS / RHEL / Fedora / Scientific Linux based systems?
[continue reading…]