Check and Print Who Is Logging In in Linux / Unix
In Linux and UNIX operating system such as Ubuntu, Red Hat Enterprise Linux, Solaris, FreeBSD, CentOS and other [...]
How to Change or Spoof MAC Address in Windows / Windows Server / macOS / Unix / Linux
MAC address (Media Access Control address) is a quasi-unique identifier consists of a six byte number that attached [...]
Disable and Turn Off Telnet in Linux
Telnet is an unsecured network protocol that facilitates remote login to a server via network connection. The protocol [...]
How to Check if Telnet Is Running on a Server
Telnet (TELecommunication NETwork) is a unsecured network protocol used on the Internet or local area network (LAN) connections [...]
Change Group Ownership of Symbolic Links in Unix or Linux
chgrp can be used to change group ownership of files and directories in almost all UNIX-variant platforms, including [...]
How to Mount USB Disk Drive in UNIX or Linux
Most distros (distributions) of Linux include Mandrake 10.1, SuSE 9.x and Fedora Core 3 can now support plug-and-plug [...]
Reset the Root Password of MySQL Server
By default, MySQL Server will be installed with root superuser without any password. You can connect to MySQL [...]
Refresh Linux or Unix Path Environmental Variables with rehash
If you have install new applications in Unix or Linux operating system, the rehash command can be used [...]
Find Files that are Modified Today (or Since Certain Time Ago) in Unix & Linux
To find all files that was modified since a specific time ago (i.e an hour ago, a day [...]