http://rhelhelp.com Red Hat Enterprise Linux Tutorials Thu, 10 Sep 2009 14:45:26 +0000 http://backend.userland.com/rss092 en Last week on the Linux Journal website, a tech tip was published showing how to get notifications from your scripts with notify-send. This is a great little tool that can display a pop-up message in the bottom right corner of your screen. On RHEL, you can install notify-send with the following ... http://rhelhelp.com/2009/09/10/creating-notifications-with-notify-send/ It's possible find the make, model and serial number of the hard drive(s) in a RHEL or CentOS system without having physical access to the machine. Simply type the following command as root: smartctl -i /dev/sda The output will look something like this: === START OF INFORMATION SECTION === Model Family: ... http://rhelhelp.com/2009/08/19/retrieving-hard-drive-info-via-command-line/ Adding a user in RHEL or CentOS can easily be done using the system-config-users gui tool. However, sometimes you need to add users via the command line. This can be helpful when adding a lot of users at once or for scripting. To add a user via command line, use the ... http://rhelhelp.com/2009/08/11/add-a-user-via-command-line/ Finding the version of Red Hat Enterprise Linux (RHEL) or CentOS you are running is easy. Simply open a terminal and type the following: cat /etc/redhat-release You should receive something like this: Red Hat Enterprise Linux Server release 5.3 (Tikanga) That's it! http://rhelhelp.com/2009/08/09/how-to-determine-rhel-version/