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What are the roles of a Linux Administrator?

Hifza Sohail

Linux is an open-source environment that has always been in high demand. It stands out due to the stability and security it offers. It is also cost-efficient in terms of hardware and support systems, and its easy to learn and use.

Who is a Linux Administrator?

Linux Administrators maintain and develop the computers that use Linux as their operating system. The administrators are responsible for handling both the server-side and the client-side – they actively monitor the system and take immediate action on any malfunctions.

Roles of a Linux Administrator

  1. Installs and Configures Linux in computer systems and handle virtual environments. Administrators are responsible for the deployment of Linux organization-wide. Along with the installation, they need to set up the architecture of the system and ensure that the scripts and databases are integrated successfully. Administrators also tackle any issues faced by the individual users.

  2. Ensures that the system is secure and following the established security protocols. All the networking protocols are to be executed and tested to protect the data of the company.

  3. Makes necessary updates required on the system. As the technology changes, updates are to be made accordingly, and users are to be trained for the new features. All the updates are to be implemented in multiple environments starting from the development phase to the production phase.

  4. Verifies that the Linux servers are secured, compiled, troubleshot, and patched successfully. System faults and areas that might be vulnerable are actively identified. Anti-virus must be maintained and protections are to be developed for security. A guide of patching and troubleshooting schedules should be maintained.

  5. Manages databases like MySQL, Oracle, and the working stacks. The stored procedures, queries, and triggers are to be managed and verification of the connection is to be performed through testing.

  6. Monitors the system and confirms that all the tasks are running smoothly. The system is to be monitored to prevent it from crashing or slowing down. Immediate action is to be taken if any issue is seen in the development or deployment stage so that usability is not affected.

  7. Optimizes system backups and real-time performance requirements. Frequent backups are to be done to prevent any data loss. System space is to be optimized according to need.

  8. Performs load balancing and performance tuning to enhance the user experience. System requirements and traffic logs are to be evaluated and load balancers are to be applied so that the system does not crash.

  9. Provides technical assistance to the users in case of any error or system diagnostics. All the issues of the developers and users are to be handled individually to ensure that the systems run smoothly on each of the computers. Sometimes, assitance debugging the applications is provided.

  10. Handles and responds to system alerts and any issues reported by the customers. Immediate backup is to be done and the required tools are to be run to handle emergency alerts.

  11. Define access and rights of the users. Accesses and permissions are to be defined according to the users to maintain the data integrity.

Useful Skills for a Linux Administrator

  • Bachelors or Masters in Computer Science or any Information Technology related field
  • Strong Networking and Cloud Computing concepts
  • Proficient knowledge of Databases and Scripting Languages
  • Certifications related to Linux tasks



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