How to show last login on Linux Fedora

   The Linux last command can be very useful to show last login user on the system.  The example below show the execution of Linux last command on Linux Fedora system.

Show last login user

1.  Open Linux  shell terminal Application --> System Tools --> Terminal.

On Linux What is root and What is root user the different.

   They always talk about root... What is root and who is the root user?  This simple short article intend to show the diffrents between both root on Linux system.

Who root user.

   On Linux system or any other system that require login username and password in order to use the system must have sets of default user on the system... this usually come on the installation of the system.  

The example below show how to check CPU teperature on Fedora system. The step by step below start from the installation of gnome-shell-extension-cpu-temperature, this xample done on Linux Fedora 15.

To install the package that can use to monitor CPU temperature you may need root access, so this example start with the su - command.

1. Open Linux x terminal... Application >> system tools >> terminal

2. Execute su - command, then supply the root password when ask.

3. Execute yum install gnome-shell-extension-cpu-temperature to start the package installation.

Basic Linux Command 101.

   The basic Linux Command 101, contains article that you need to better understand about Linux command and the article about Linux command contains on this site.

Basic Linux 101 -  The basic things about Linux that you need to know before you can fly…

Umount and Eject CD Rom Tray or DVD Rom Tray using Linux eject Command.

   How to umount CD or DVD and eject the disk from the CD drive or DVD drive in one go...  On Linux system you can use the eject command to umount and then eject the CD or DVD drive.  The example below show the execution of eject command on Linux Fedora system.  But before you execute eject command to eject CD rom drive tray or eject DVD drive tray, make sure that you not in the mounted path of CD or DVD disk, other wise the eject command give you error message that say something like "device is busy"  ............. 

Control and Using Hardware Device on Linux System using Linux Command.

   The Linux command example below show the list of Linux command that can be use to control and using linux device or use hardware device on Linux system.  The example of Linux command also include the example to mount and to umount the hardware device on Linux system.

List of Linux builtins command on Linux Fedora system.

   What are and Why we call these Linux command is the Linux build in command? The answer is simple.  They comes build in inside the Linux shell.  The list of Linux builtin command below comes with the bash shell.  The Linux built in command display here is tested on Linux Fedora system using Bash shell.

Check CPU Processor Type Information on Linux Fedora using lshw Command

   How to check CPU or processor type on Linux system?  Answer:  The step by step lshw command example below show how to check CPU or processor type information on Linux Fedora system without the need to open the computer chasing.  Please note that example below tested on Linux Fedora 10 operating system using the lshw command to show the CPU information and other CPU details...

Show Network Interface Card NIC Hardware Properties including MAC Address Serial Number using lshw Command.

   Show network interface card hardware properties on Linux fedora using lshw command.  The step by step command example below demonstrate how to use Linux lshw command to show network interface card hardware properties including the network card mac address / network card serial number, network card vendor and product type (network card maker) without open your computer casing and poke on the network card hardware him self.

Show Hard Disk Storage Device Hardware Details on Linux Fedora using lshw Command

   How to check disk properties and how to check and show storage device properties on Linux system? The step by step Linux command example below show example on using lshw command to show Linux system disk properties and storage device properties.  The command example below execute on Linux Fedora 10 system and the output from the lshw command below may vary depends on your Linux system setting.