Main Responsibilities of the Linux System Administrator is as follows:
- Maintaining User Accounts
- Security
- Managing the disk space and Backup
- Provisiom the new Linux Server based on the need
- Linux Server Updates and Patching
- Authentication and Authorization Management
- Trubleshooting of Linux Severs and QA Deployments
- Managing the Large number of VMS in VMWARE
- Montoring all the vms and their health
- Montoring Major Important Services
- Backup & Restore all the imporant data of the servers
- Server and OS process monitoring
- Disk managment and montoring
The Administrator’s Privileges:
- Change the contents or attributes of any file like its permission and ownership
- He can delete any file eith rm even if it is write-protected.
- Initiate or Kill Any Process
- Change any user’s password without knowing the existing one
- Set the system clock with date
- Limit the maximum size of files that users are permitted to create with ulimlit
- Controls users access to the scheduling services like at and cron
- Control users access to many networking services like Telnet, FTP, etc
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