Main Responsibilities of the Linux System Administrator is as follows:

1. Maintaining User Accounts
2. Security
3. Managing the disk space and Backup
4. Provisiom the new Linux Server based on the need
5. Linux Server Updates and Patching
6. Authentication and Authorization Management
7. Trubleshooting of Linux Severs and QA Deployments
8. Managing the Large number of VMS in VMWARE
9. Montoring all the vms and their health
10. Montoring Major Important Services
11. Backup & Restore all the imporant data of the servers
12. Server and OS process monitoring
13. Disk managment and montoring

The Administrator’s Privileges:

1. Change the contents or attributes of any file like its permission and ownership
2. He can delete any file eith rm even if it is write-protected.
3. Initiate or Kill Any Process
4. Change any user’s password without knowing the existing one
5. Set the system clock with date
6. Limit the maximum size of files that users are permitted to create with ulimlit
7. Controls users access to the scheduling services like at and cron
8. Control users access to many networking services like Telnet, FTP, etc

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