/var/log/wtmp HowTo - Linux / Unix Q & A from nixCraft

Linux / Unix: Check Last Time User Logged In On The System

last updated February 2, 2014 in Commands, Linux, UNIX, User Management

I am a new Unix system admin. How do I find ouw who has recently use the Linux or Unix-like server? Which terminals they used, and when they logged in and out of the my server?

Linux / Unix: users Command Examples

last updated January 27, 2014 in Commands, Linux, UNIX

I am a new Linux and Unix system user. How do I list current users on Linux or Unix-like operating system using shell prompt?

Linux Reboot Command Example

last updated May 4, 2012 in Linux

How do I reboot my HP Linux server using command line option? How do I remotely reboot my CentOS or Debian based Linux server?

Shutdown Linux Server

last updated September 18, 2013 in Linux

How do I shutdown my Linux server or computer using command line option?

Linux Display Date And Time Of Login

last updated October 28, 2009 in Arch Linux, BASH Shell, CentOS, Debian / Ubuntu, Fedora Linux, Linux, Monitoring, RedHat and Friends, Security, Suse, Troubleshooting, Ubuntu Linux, User Management

How do I display user last login date and time under Linux operating systems?

Linux Remove or Clear the Last Login Information

last updated January 7, 2014 in Debian / Ubuntu, Linux, RedHat and Friends, Security, Troubleshooting

I am a Fedora Linux user (SysAdmin) and I would like to clear all the login information. How do I clear or remove last login information on Linux operating systems?