The Linux administrator is called the "root" user.
Linux System Administrator's Guide was created in 2005.
Linux Network Administrator's Guide was created in 2005.
A Linux system administrator can verify that the Linux system is forwaring IPV4 packets by querying the sysctl kernel to see if forwarding is enabled.
root
"System Administrator" is just that a general sysadmin that more than likely is only certified to use Windows Server and is network-savvy. Whereas a Linux System Administrator is certified in Linux and networking.
Systems Administrator :)
"Administrator" doesn't have the quite the same meaning in Linux as it does in Windows. In Linux, an administrator is someone with sudo privileges. It does not automatically grant them the ability to do anything they want on the system, but instead do it by issuing the sudo command, and entering their password when prompted.
Generally, only when there was a critical security vulnerability or bugfix.
To create a new user account under any Linux distribution use command called useradd. The system administrator is responsible for creating account. Login as root user (or use sudo command).
Linux administration is a short course on how to become Linux administrator. In Linux administration, you may learn how to run Linux in advanced, learn the Linux techniques and troubleshooting.
With the whoami command.
There are no default passwords. Passwords are specified by the administrator at installation.