what is system adminstration? The person responsible for configuring and maintaining the system or server is called a system administrator. System administrators can be members of an information technology department. Most of the explanations below also apply to Windows network and system administrators.
What makes the system administrator account special?
The root account has full (unrestricted) access so it can do anything with the system. For example, root can remove critical system files. In addition, files can only be restored via tape backup or disk-based backup systems.
Many system administration tasks can be automated using Perl / Python or shell scripts. For example:
Create new users
Reset user password
Lock / unlock user accounts
Monitor server security
Monitor special services, etc.
Most important skill for a system administrator
Problem solving, period. This can lead to all sorts of restrictions and charges for some time. If the workstation or server is not working, you will be asked to resolve the problem. You should be able to diagnose the problem quickly and correctly. You have to find out what's wrong and how to fix it in a short time.
System administrators are not ...
Engineers to cut biscuits.
Developer.
It is usually not your responsibility to develop new application software.
However, you need to understand the behavior of the software to implement and resolve it. In general, you should be familiar with several programming languages used for scripting or automating routine tasks like Shell, Awk, Perl, Python, etc.
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