SISL Infotech Linux Administrator Interview Questions, Process, and Tips

LVM (Logical Volume Manager) is a tool used to manage disk space by creating logical volumes from physical volumes.

• LVM allows for dynamic resizing of logical volumes without the need to unmount the filesystem

• To extend a logical volume, use the 'lvextend' command followed by the size to extend by and the logical volume name

• For example, to extend a logical volume named 'lv_data' by 100MB, the command would be 'lvextend -

Patching is the process of applying updates or fixes to software to improve security, fix bugs, or add new features.

• Patching involves applying updates or fixes to software to address security vulnerabilities.

• It can also be used to fix bugs or improve performance.

• Patching is important to keep software up to date and secure.

• Examples of patching include installing security updates on a Linux server or updating software on

SIEM integration refers to the process of connecting a Security Information and Event Management system with other security tools and systems.

• SIEM integration allows for centralized monitoring and analysis of security events across an organization.

• It enables correlation of data from various sources to detect and respond to security incidents more effectively.

• Examples of SIEM integration include connecting SIEM with fir...read more

rpm is a package manager for Red Hat-based systems, while yum is a high-level package manager that uses rpm as its backend.

• rpm is a low-level package manager that directly interacts with the system's package database and files

• yum is a high-level package manager that automates the process of dependency resolution and package installation

• yum can also automatically download and install dependencies for a package, while rp