SysAdmin- Download CentOS ISO image for free

1 Download CentOS ISO image Free

Linux tutorial for Beginners – LAB Setup

  1. Download CentOS
  2. Minimal Installation on VirtualBox

How to Download ISO image of CentOS  for free

Today, This is my first post on the system administrator guide. In this tutorial, I will show you how you can download centos ISO image from the official website. There are three types of the ISO image available on the official website of Centos 7. 

  1. DVD ISO image
  2. Everything ISO image
  3. Minimal ISO image

Choose one of them. I will download ISO image DVD. Read the next post I will show you how to tell perform the minimal installation on VirtualBox.

Video Tutorial: Download ISO image of CentOS 7

How to download CentOS

How to download CentOS

Posted by Q Hacker on Wednesday, February 15, 2017

SysAdmin: Minimal install CentOS on Virtualbox

2 Minimal installation of Centos 7

Linux tutorial for Beginners – LAB Setup

  1. Download CentOS
  2. Minimal Installation on VirtualBox

Minimal install CentOS  on Virtualbox Step by Step

Hello friends in last post SysAdmin- Download CentOS ISO image for free you found how you can download centos 7 ISO image. In this post SysAdmin: Minimal install CentOS  on Virtualbox I will show you how you can perform the minimal install  CentOS  on virtualbox.

You need to complete following tasks to complete installation

  1. Install virtualbox on Windows machine
  2. Create a virtual machine for centos 7 operating system
  3. Then install the centos 7 on virtual machine

Video Tutorial Minimal installation of CentOS 7 on Virtualbox

SysAdmin: Minimal install CentOS on Virtualbox

Minimal install CentOS on Virtualbox Step by Step

Posted by Q Hacker on Thursday, February 16, 2017

How to create a file in Linux – View, Edit by Terminal Command

how to create a file in linux

 

How to create a file in Linux terminal

In this post, you will learn about how to create a file in Linux by using commands in terminal. use Linux vi editor commands for Create, View and Edit files in Linux operating system. Linux is not like windows operating system and mostly it operated by commands. There are some most used commands to create, view and edit text files.

  • Touch command
  • Cat command
  • Vi editor
  • vim editor

linux vi editor commands for create, view and edit files

linux vi editor commands for create, view and edit files

Posted by Q Hacker on Thursday, February 16, 2017

 

Linux tutorial for Beginners – Understand and use essential tools

  1. Create and edit text files
  2. Create, delete, copy, and move files and directories
  3. read, and use system documentation including man, info, files

Create, delete, remove and Copy directory linux

5 Create, delete, copy, and move files and directories in CentSO 7

 

Create, delete, remove and Copy directory Linux

Hello friends, Welcome to our RHCSA video tutorial. You will learn the following important topics on Linux on how

  • Create a new directory/folder.
  • How to delete the folder in Linux.
  • Copy directory Linux.
  • Remove the directory in Linux 
  • Rename directory/folder in Linux.

Create, delete, copy, and move files and directories

Create, delete, copy, and move #files and #directories

Posted by Q Hacker on Friday, February 17, 2017

Linux tutorial for Beginners – Understand and use essential tools

  1. Create and edit text files
  2. Create, delete, copy, and move files and directories
  3. read, and use system documentation including man, info, files

 

 

Info, Help & Man command in Linux [Full Guide on System Documentation]

6 read, and use system documentation including man, info, and files in cent os 7

 

SysAdmin 6: Info, Help & Man command in Linux

Most of tools and utilities in Linux have own documentation, this documents can be displayed by using info command in Linux, or man command in Linux. Help command in Linux also provides a short help documentation about the related command (tools).

In this video, we will cover how you can Read, and use system documentation including man, info, in Linux. 

 

Read, and use system documentation including man, info, in Linux

Read, and use system documentation including man, info, in Linux

Posted by Q Hacker on Friday, February 17, 2017

Linux tutorial for Beginners – Understand and use essential tools

  1. Create and edit text files
  2. Create, delete, copy, and move files and directories
  3. read, and use system documentation including man, info, files

 

Boot, Reboot and Linux shutdown command in Terminal – Tutorial

Boot, reboot, and shut down a system normally

 

Boot, Reboot and Linux shutdown command

In the last video, we have covered how to Info, Help & Man command in Linux [Full Guide on System Documentation]

And today we are going to cover how to boot and reboot Linux shutdown command in Terminal by using a command line. The user can do the same thing in the graphical interface but in this, we will use a different command to a control system.

Linux poweroff is also known as halt Linux system. If you want to poweroff Server/system you can’t power off, first you must use Linux shutdown command to shutdown system/Server then you can power off.

If you facing some issue and want to reboot Linux system, you can use commands mentioned in the video. If you are unable to reboot Linux system you should choose Linux force reboot option by the following command:

#reboot -f

 

SysAdmin7: #Boot and #reboot #linux server command in Terminal

SysAdmin7: Boot and reboot linux server command in Terminal

Posted by Q Hacker on Friday, February 17, 2017

Linux tutorial for Beginners – Operate Running System

  1. Boot, reboot, and shut down a system normally
  2. Interrupt the boot process in order to gain access to a system
  3. Identify CPU memory intensive processes, adjust process priority with renice, and kill processes

 

How to reset root password CentOS 7 [Updated] Interrupt the boot process

Interrupt the boot process in linux order to gain access to a system

 

How to reset root password CentOS 7 [Updated]

In the last video we have covered Boot, Reboot and Linux shutdown command in Terminal – Tutorial

In this video I will cover How to reset root password CentOS 7 by Interrupt the boot process in Linux order to gain access to a system . It means if you forget the password of the root system and want to access the system then you can interpret the boot process and gain the access of Linux operating system.

 

Interrupt the boot process in Linux to access of a system

Interrupt the boot process in Linux to access of a system

Posted by Q Hacker on Friday, February 17, 2017

 

Linux tutorial for Beginners – Operate Running System

  1. Boot, reboot, and shut down a system normally
  2. Interrupt the boot process in order to gain access to a system
  3. Identify CPU memory intensive processes, adjust process priority with renice, and kill processes

How to use gdisk, parted and fdisk Linux to create partition [Step by Step]

List, create, delete partitions on MBR and GPT disks

 

How to use gdisk, parted and fdisk Linux to list, create and delete MBR and GPT partition

Today’s topic How to use gdisk, parted and fdisk Linux to list, create and delete MBR and GPT partition in CentOS” Partitioning of the hard disk is a major task for a System Administrator. So you must know how to manage partitions. I am going to cover the following topics:

  • How to create the partition in Linux step by step tutorial.
  • How to use parted Linux for the list, create and delete partitions.
  • How to use gdisk Linux for the list, create and delete partitions.
  • How to use fdisk Linux for the list, create and delete partitions.

 

https://www.facebook.com/cyberpedia/videos/1213527462035066/

In the last video we have discussed about Identify CPU memory intensive processes, and kill processes

And it was a great video for looking memory uses, some processes are running, and which one is useful for system. If any process is running unnecessary, kill it.

Linux tutorial for Beginners – Configure Local Storage

  1. List, create, delete partitions on MBR and GPT disks
  2. Use graphical interface to create Partition in Linux
  3. Create and remove physical volumes, volume groups, and logical volumes
  4. Configure systems to mount file systems at boot by Universally Unique ID (UUID) or label
  5. Add new partitions and logical volumes, and swap to a system non-destructively

If you have any question please type in comment box.

Have a nice Day!

Cheers!

How to See List Processes Linux Kill Command to Kill Linux Process

8 Interrupt the boot process in order to gain access to a system

 See List Processes Linux Kill Command to Kill Linux Process

Hello friends, welcome again!

As you know we have covered in the last video How to reset root password CentOS 7 [Updated] Interrupt the boot process And Today we are going to cover how to Identify CPU memory intensive processes and kill process I hope you will like this video.

This video will cover the following concepts:

  • How to see running list processes Linux.
  • How to use Linux kill command to Kill Linux process.
  • See the network status of interface and socket.
  • How to see the status of CPU and other devices.
  • How to see virtual memory status.

https://www.facebook.com/cyberpedia/videos/1213513112036501/

 

Linux tutorial for Beginners – Operate Running System

  1. Boot, reboot, and shut down a system normally
  2. Interrupt the boot process in order to gain access to a system
  3. Identify CPU memory intensive processes, adjust process priority with renice, and kill processes

SysAdmin 11: how to Use disk partition manager in Linux

List, create, delete partitions on MBR and GPT disks by graphical

Linux tutorial for Beginners – Configure Local Storage

  1. List, create, delete partitions on MBR and GPT disks
  2. Use graphical interface to create Partition in Linux
  3. Create and remove physical volumes, volume groups, and logical volumes
  4. Configure systems to mount file systems at boot by Universally Unique ID (UUID) or label
  5. Add new partitions and logical volumes, and swap to a system non-destructively

How to use disk partition manager in Linux

In the last video I have covered List, create, delete partitions on MBR and GPT disks

by using command line in Linux. Today’s topic is how to Use  disk partition manager in Linux graphical interface. Yes In CentOS7 has a inbuilt feature to manage partition graphical. See the video

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SysAdmin 12: Create, remove physical volumes and LVM in linux

SysAdmin 12: Create, remove physical volumes and LVM in linux

Posted by Q Hacker on Saturday, February 18, 2017

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