RenewBuy Linux System Administrator Interview Questions and Answers

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

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

• It provides features like striping, mirroring, and snapshotting for better data management.

• Commands like pvcreate, vgcreate, lvcreate are used to create physical volumes, volume groups, and logi

yum is a package manager for Red Hat-based systems, while wget is a command-line tool for downloading files from the internet.

• yum is used for installing, updating, and removing packages on Red Hat-based systems

• wget is used for downloading files from the internet, supports HTTP, HTTPS, and FTP protocols

• yum command example: yum install httpd

• wget command example: wget https://example.com/file.zip