Linux Server Administrator

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Linux Server Administrator Interview Questions and Answers

Updated 19 Jun 2024

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Q1. Did you have knowledge of PATCHING?

Ans.

Yes, I have knowledge of patching in Linux Server Administration.

  • Patching involves applying updates, fixes, and security patches to the Linux server system.

  • Regular patching helps in keeping the server secure and up-to-date.

  • Tools like yum, apt, and zypper are commonly used for patching in Linux servers.

  • Patching process may require server downtime or reboot to apply changes.

  • Automated patch management tools can streamline the patching process.

  • Example: Applying security patches t...read more

Q2. What is sed command How we will use it.

Ans.

sed command is a stream editor used to perform text transformations on an input stream or file.

  • sed stands for stream editor

  • It reads input line by line and applies specified operations on each line

  • Common operations include search and replace, insert, delete, and more

  • Syntax: sed 'operation' filename

  • Example: sed 's/old/new/g' file.txt (replaces all occurrences of 'old' with 'new' in file.txt)

Q3. What is boot process?

Ans.

The boot process is the sequence of steps that a computer system goes through to start up and load the operating system.

  • BIOS or UEFI firmware is loaded first

  • Boot loader is loaded next to locate and load the operating system kernel

  • Kernel initializes hardware, mounts the root file system, and starts system services

  • Init process is started to bring the system to a usable state

Q4. What is lvm,Briefly Explain

Ans.

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

  • LVM allows for flexible allocation and resizing of disk space

  • It provides features like striping, mirroring, and snapshotting

  • Logical volumes can span multiple physical disks

  • LVM uses physical volumes, volume groups, and logical volumes as its main components

  • Commands like pvcreate, vgcreate, and lvcreate are used to create and manage LVM

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Q5. What is links in linux..

Ans.

Links in Linux are text-based web browsers used to browse the internet in a terminal environment.

  • Links is a lightweight and fast web browser that runs in a terminal.

  • It allows users to browse the internet without a graphical interface.

  • Links supports HTML, CSS, and JavaScript to some extent.

  • It is commonly used on servers for text-based browsing or troubleshooting network connectivity.

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