What is that the netboot and how to launch?

2021-05-24T08:56:17Z

Garmand2db17:

[[:en:What is that the netboot and how to launch?]][[en:What is that the netboot and how to launch?]]
<span data-link_translate_he_title="מה זה את netboot וכיצד להפעיל?" data-link_translate_he_url="%D7%9E%D7%94+%D7%96%D7%94+%D7%90%D7%AA+netboot+%D7%95%D7%9B%D7%99%D7%A6%D7%93+%D7%9C%D7%94%D7%A4%D7%A2%D7%99%D7%9C%3F">[[:he:מה זה את netboot וכיצד להפעיל?]][[he:מה זה את netboot וכיצד להפעיל?]]
[[:ro:Ce este că netboot şi cum pentru a lansa?]][[ro:Ce este că netboot şi cum pentru a lansa?]]
<span data-link_translate_ru_title="Что такое netboot и как начать?" data-link_translate_ru_url="%D0%A7%D1%82%D0%BE+%D1%82%D0%B0%D0%BA%D0%BE%D0%B5+netboot+%D0%B8+%D0%BA%D0%B0%D0%BA+%D0%BD%D0%B0%D1%87%D0%B0%D1%82%D1%8C%3F">[[:ru:Что такое netboot и как начать?]][[ru:Что такое netboot и как начать?]]
[[:pl:Co to jest to, że netboot i jak uruchomić?]][[pl:Co to jest to, że netboot i jak uruchomić?]]
<span data-link_translate_ja_title="何だ、netboot や起動する方法ですか?" data-link_translate_ja_url="%E4%BD%95%E3%81%A0%E3%80%81netboot+%E3%82%84%E8%B5%B7%E5%8B%95%E3%81%99%E3%82%8B%E6%96%B9%E6%B3%95%E3%81%A7%E3%81%99%E3%81%8B%3F">[[:ja:何だ、netboot や起動する方法ですか?]][[ja:何だ、netboot や起動する方法ですか?]]
<span data-link_translate_ar_title="ما هو هذا netboot وكيفية إطلاق؟" data-link_translate_ar_url="%D9%85%D8%A7+%D9%87%D9%88+%D9%87%D8%B0%D8%A7+netboot+%D9%88%D9%83%D9%8A%D9%81%D9%8A%D8%A9+%D8%A5%D8%B7%D9%84%D8%A7%D9%82%D8%9F">[[:ar:ما هو هذا netboot وكيفية إطلاق؟]][[ar:ما هو هذا netboot وكيفية إطلاق؟]]
[[:zh:那是什么网络引导和如何启动?]][[zh:那是什么网络引导和如何启动?]]
[[:de:Was ist die Netboot und starten?]][[de:Was ist die Netboot und starten?]]
[[:nl:Wat is dat de netboot en hoe te te lanceren?]][[nl:Wat is dat de netboot en hoe te te lanceren?]]
[[:it:Che cos'è il netboot e come avviare?]][[it:Che cos'è il netboot e come avviare?]]
[[:pt:O que é que o netboot e como iniciar?]][[pt:O que é que o netboot e como iniciar?]]
[[:es:¿Que es esto el netboot y cómo iniciar?]][[es:¿Que es esto el netboot y cómo iniciar?]]
[[:fr:Qu’est ce que le netboot et comment le lancer ?]][[fr:Qu’est ce que le netboot et comment le lancer ?]]
 

This article has been created by an automatic translation software. You can view the article source [[:fr:Qu’est ce que le netboot et comment le lancer ?|here]]. 



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|title=What is that the netboot and how to launch ?
|title_mode=append
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|description=Discover in this article what the netboot is and how to launch it.
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==PROBLEMATIC == 
 
That is what the netboot and how to launch ?
 
==SOLUTION == 
 
The netboot is a network boot on a light Linux image that allows to perform operations on a system that will not boot in normal mode. 
To start your {{Template:Serveur}} dedicated to this mode you must connect to your Extranet (URL : https://extranet.ikoula.com/) 
Go in "Server physical " Select the {{Template:Serveur}} which you are interested. 
[[File:EXTRA-eng.JPG|800px]]

Click in the list of OPERATIONS on NETBOOT. 

[[File:Extra-5-eng.JPG|600px]]

Your {{Template:Serveur}} dedicated will be rebooted by APC then will perform a network boot on a linux system image which will be sent by the network and will be loaded into RAM. 
It is for this reason that you will first need to Mount your partitions before you can access your data. 

==Acces to the Machine in Netboot==

1) The SSH logins are the same in the first delivery mail of the server.

2) To make the installation of partitions, you must use the Mount command. 

3) Before proceeding to the mounting of the partitions, it is necessary to recover their name thanks to the following command:

# fdisk -l

Here, it mounts the partition /dev/hdc3 type ext 3 (most common type currently ) on the directory /MNT. 

ex : # mount -t ext 3 /dev/hdc3 /mnt 

To check the mounted partitions, you can : # mount
 

Which will return a display of the genus : 
<hr>
<div style="background-color: #000000; color: #ffffff">/dev/hda3 on / type ext3 (RW, errors =remount-ro ) 
proc on /proc type proc (RW ) 
sysfs on /sys type sysfs (RW ) 
devpts on /dev/pts type devpts (RW, gid =5, mode =620) 
tmpfs on /dev/shm type tmpfs (RW ) 
/dev/hda1 on /boot type ext 2 (rw)</div> <hr> 

Once the partition mounted, can be accessed freely via the directory or it has been mounted. In our example this is de /mnt.

==On UBUNTU if the installation is done with LVM:==

# lvscan
=> ACTIVE '/dev/VolGroup00/root' [929.51 GiB] inherit (the return message gives you the area to mount)

# mount /dev/VolGroup00/root /mnt/

In case the partition is inactive, please run the following command to activate this LVM partition (to be adapted according to the partition path).

# lvchange -a y /dev/VolGroup00/root
Your root is now available.

To unmount a partition, you have the umount command, which is used as follows : # umount /mnt
 

==Simulate being on your system (Change root Password, etc..) ==

To simulate being on your system you need to do a (chroot) please use the following command:

# chroot /mnt /bin/bash

If you need to change your root Password

# passwd

==Conclusion == 
 
During a netboot votre {{Template:Serveur}} is restart with a light bone featuring only diagnostic tools.



 
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What is that the netboot and how to launch?