Objective #36

 System Administration

Systems administrators design, install, and maintain an organization's computer systems. Your responsibilities include:

• Installation and Configuration: Configure and update hardware and software, establish user accounts, and oversee backup and recovery tasks.

• Operational and Technical Security: They implement security controls and comply with organizational security policies and procedures.

• Networks: They manage local networks (LAN), wide networks (WAN), network segments and the Internet.

• Hardware and Software: They maintain servers, personal computers, desktop machines, laptops, and mobile devices.

• Documentation and Labeling: Document and label hardware and cables.

• Automation: They write scripts and programs to automate tasks.

• Problem Resolution: Diagnose and solve technical problems.

• User Management: Establish and manage user accounts.

• Policy Compliance: Adhere to the organization's policies and procedures.

Specific Components of Systems Administration

Hardware

RAM Memory: Manage DIMM slots on physical servers.

CPU: They monitor the logical and virtual CPUs.

Hard Drives (HDD): Manage the type and size of hard drives.

External Storage (SAN/NAS): Configure and manage external storage.

 

Networks:

Cables: They connect all the components.

 

IP Addresses: Configure IP addresses for interfaces and administration.

 

 Software:

Operating Systems: They install and maintain operating systems such as Linux or  Windows.

Hypervisors: Configure and manage to hypervisors.

Programming and Automation: They write scripts and programs to automate tasks.

Security: They implement operational and technical security measures. 

Importance of Systems and Procedures:

• Procedures are key components of systems. 
• Administrators follow procedures to perform specific tasks within a larger system.
• Documentation and labeling are essential to maintain system efficiency and integrity.