Linux Admin Training

Viswa Online Trainings is one of the world’s leading online IT training providers. We deliver a comprehensive catalog of courses and online training for freshers and working professionals to help them achieve their career goals and experience our best services.

4627 Reviews 4.9

Learners : 1080

Duration :  30 Days

About Course

Our Linux Admin Training is how to install, configure and maintain an Enterprise Linux system in a networked environment. Basic administrative tasks are covered such as: creating and managing users, creating and maintaining file systems, determining and implementing security measures, and performing software installation and package management. Access to expert trainers and instructor-led training sessions ensures that you can easily clear your doubts and get the exact guidance that is expected from Linux Admin Online Training sessions.

Linux Admin Training Course Syllabus

Introduction to Linux Systems Admin

✔ History of UNIX & Linux

✔ Basic Concepts of Operating System

Linux Admin Basics

✔ File System of Linux

✔ Creating, Removing, Copying, Moving files & Directories

✔ File Permissions

Intermediate Command Line tools

✔ Soft link & hard links

✔ Introduction to VIM

✔ Basic VIM workflow

Regular Expressions, Pipelines & I/O Redirections

✔ Using Grep

✔ Pipelines & Redirections Basic Regular Expressions

Linux Admin Installation

✔ Installation of Linux Graphically

✔ Kick Start Installation

✔ Network Installation (using ftp, NFS & HTTP)

✔ Combining kickstart & N/W installation

✔ Complete automated installation

User & Group Administration

✔ Creating & Deleting Users

✔ Modifying Users Profile

✔ Files related to User Administration

✔ Creating & Removing Groups

✔ Adding & Removing Users to Groups

Controlling Access to Files

✔ Applying File System Access Control List (ACL)

✔ Restricting a particular user to use a file or directory

Managing SELinux

✔ Basic SELinux Security Concepts

✔ SELinux Models

✔ Display & Modify SELinux Models

✔ Display & Modify SELinux File Context

Managing Partitions & File Systems

✔ Diff type of FS like ext3,ext4,xfs etc

✔ Simple Partition & File System

✔ Managing Swap Space

✔ Increasing & Decreasing swap spaces

✔ Mounting a File system & Making it Permanent

✔ Exploring CDB and PDB databases

Logical Volume Management

✔ Components of LVM

✔ Implementation of LVM Storage

✔ Creating Volume Groups & Logical Volumes

✔ Extend a Logical Volume

✔ Extending & reducing a Volume Group

✔ FS Related issues in Real-time

Network Configuration & Trouble Shooting

✔ Introduction to Networking and Connections

✔ Understanding Network Configuration Files in 6&7

✔ Assigning IP Address

✔ Troubleshooting

Job Automation

✔ Using Cron jobs

✔ Restricting Users from using Cron jobs


✔ Introduction to firewall services

✔ Allowing a service/port in firewall

✔ Removing a service/port in firewall

✔ Saving and making the rules permanent in firewall

Managing Process

✔ Monitoring Processes

✔ Terminating & Governing Processes

✔ Setting up Priority of the Process

✔ usage of Top command

Boot Process

✔ Boot Process Repairing Boot Issues

✔ Real-time Boot issues

Recovering Root Password

✔ Dealing with SE Linux to recover root password

✔ Recovering the Superuser Password

✔ Recovering Boot Loader

Managing Installed Services

✔ Introduction to systemctl command

✔ Starting, stopping, reloading & refreshing service

✔ Managing Services

✔ Confirm Service Availability

Accessing a Remote System

✔ Using SSH

✔ Generating Keys

✔ Copying Pub Keys using “ssh-copyid” command

✔ Password Less Logging between two Systems

Remote Synchronization.

✔ Sync data between two servers using encryption

✔ Usage of dry-run in rsync


Enhanced User Security

✔ Configuring SUDO

✔ Limiting SUDO Users

✔ Checking logs of SUDO users, Real-time issues & usage.

Backup & Restore

✔ Backup of data using tar

✔ Applying gzip on tar file

✔ Uncompressing tar and gzip files

Installing Software

✔ Using rmp command

✔ Using yum command

✔ creating yum repository

✔ configuring yum server

✔ configuring yum clients


File Transfer Protocol (FTP)

✔ Using FTP

✔ Restricting Users for FTP

Network File Services (NFS)

✔ Demons and workflow of NFS demons

✔ Configuring NFS server

✔ Mounting NFS Directory on Clients

✔ Automounting NFS

SAMBA Server

✔ Configuring SAMBA service for file sharing with Windows

✔ Connecting SAMBA server from Windows Client


✔ Configuring DNS server

✔ Integrating DSN server with clients

Web Server

✔ Configuring Apache webserver

✔ Redirecting the website

✔ Virtual web hosting

✔ Port-Based web hosting

✔ Name-based web hosting

Mail Server

✔ Configuring Postfix for sending the mails

✔ Configuring Dovecot for receiving the mails

✔ Testing the mail flow

Bonus topics in Linux Admin

✔ Squid Proxy

✔ Configuring squid proxy for internet sharing

✔ blocking unwanted websites

✔ Changing the default port of the proxy

✔ DHCP Server

✔ Configuring DHCP server

✔ Creating scopes and ranges

✔ Client-side integration

Live Instructor Based Training With Software
Lifetime access and 24×7 support
Certification Oriented content
Hands-On complete Real-time training
Get a certificate on course completion
Flexible Schedules
Live Recorded Videos Access
Study Material Provided

Linux Admin Training - Upcoming Batches

7th NOV 2022



Coming Soon



5th NOV 2022



Coming Soon



Don't find suitable time ?


Live Virtual Training

  • Schedule your sessions at your comfortable timings.
  • Instructor-led training, Real-time projects
  • Certification Guidance.

Self-Paced Learning

  • Complete set of live-online training sessions recorded videos.
  • Learn technology at your own pace.
  • Get access for lifetime.

Corporate Training

  • Learn As A Full Day Schedule With Discussions, Exercises,
  • Practical Use Cases
  • Design Your Own Syllabus Based
For Business

Linux Admin Training FAQ'S

What is Linux Admin?

Linux Admin is an open-source operating system based on UNIX. It was named after the founder “Linus Torvalds”. He introduced Linux with the primary goal to offer an operating system at a free or very reasonable price for users. It is based on the Linux kernel and is compatible with different hardware platforms such as Intel, MIPS, HP, IBM, SPARC, and Motorola hardware platforms. Linux’s mascot, a penguin named Tux, is another popular feature. Linux offers a user-friendly environment where they can easily modify and create variations in the source code.

What are the components of the Linux system?

There are three primary components of the Linux system which are explained below.

Kernel: The kernel is the most important component of Linux. It is in charge of the operating system’s primary functions. It is made up of a number of modules that interface directly with the hardware. Kernel offers the necessary abstraction for system or application programs to mask low-level hardware information.

System libraries: They are specialized functions or programs that allow application programs or system utilities to access Kernel capabilities. These libraries implement the majority of the operating system’s functionality and do not require kernel module code access permissions.

System Utility: Programs in the System Utility category are in charge of performing specialized, individual-level activities. They are more dependable and also provide users control over the computer.

Get ahead in your career by learning Linux Admin through VISWA Online Trainings

What is LILO?

LILO (Linux Loader) is a boot loader for Linux. It is used to load Linux into memory and start the operating system. LILO can be configured to boot other operating systems as well. LILO is customizable, i.e., if the default configuration is not correct, it can be changed. The config file for LILO is lilo. conf. LILO is also a code snippet that loads PC BIOS into the main memory at the time of starting the computer system.

It handles the following tasks:

  • Locating Linux kernel
  • Identifying other supporting programs and loading them in memory
  • Starting the kernel

The selection of various Kernel images and boot routines is supported by LILO. For this reason, it is known as the boot manager.

Suppose, you wish to print a file ‘draft’ with 60 lines on a page. What command would you use?

The command used for this purpose would be as follows:

pr -l60 draft

Note: The default page length when using pr is 66 lines. The -l option specifies a different length.


LD_LIBRARY_PATH is an environment variable used for debugging a new library or a non-standard library. It is also used to identify the directories that need to be searched for; in order to do this, the path to search for the directories needs to be specified.

The variable can be set using the following:


It is used to search for the shared objects/dynamic libraries by the operating system for extendable functionality at runtime.


vishal meda
vishal meda
They give trainings properly and trainers are well versed with them where i recommend to all viswa trainings are good!!
Ntr fan
Ntr fan
I just finished sap bods training in Hyderabad. Excellent course and curriculum 100% doubt clarification sessions. Thanks Chaitanya
Shiva Krishna
Shiva Krishna
I recently completed informatica online training with Chaitanya. Course was built by excellent trainer. And process of learning was streamlined. Thanks
Mohammad ali syed
Mohammad ali syed
It was great and smooth understandable training. You can learn lots.
Govinda Bhatia
Govinda Bhatia
Not recommended as there will be no server access working to do practical after training. Also there will be no fix for the same. So it's wastage of money. If server access not at all working then no meaning to provide server access. Also it not working for single day properly. Need to followup daily but in response you told will fix that sir at home once he will back will fix. After he came back again it's not working and not able to fix for single day also Every time new excuse it's wastage of money.
M Leela mohan
M Leela mohan
I took SQL Server and MSBI Online training with Murali Krishna. I must say the course content was highly qualitative and the trainer covered all concepts. Overall it was a good experience with VISWA Online Trainings.
Attended live Virtual training for IoT Trainer was very good. He had excellent knowledge of IoT and was very good at explaining concepts in detail.…
Lakshmi Lakshmi
Lakshmi Lakshmi
Best sap commerce cloud and Spartacus training institute in india. He provides a great mix of listening, speaking, and practical learning activities and a very safe, supportive learning environment. He maintains a friendly relationship with the students during class. He not only teaches but also monitors our practice status on daily basis.
Ch Chandranath
Ch Chandranath
I have undergone Oracle Tuning training. I can proudly say that this is one of the best training institutes available in the market. The way Mr. Kumar teaches the concepts and makes them understandable is very commendable and unique. Even a novice can clearly understand the concepts clearly after attending his classes.

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