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DHCP Configuration (CISCO CCNA)

October 16, 2019

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Linux Administration Bootcamp Go from Beginner to Advanced

Set up CentOs 6.3 Change keyboard to "azerty" permanently this blog is updated daily under construction here :) How to Change CentOs 6.3 keyboard ( from "qwerty" ) to "azerty" permanently : 1.edit the file /etc/sysconfig/keyboard . 2.Configure the KEYTABLE et LAYOUT to "fr" , then Crtl+S ( to save ) and exit . Account: (all the account info is stored in the /etc/passwd ) Username (login ID ) UID ( User ID) this is a unique number Default Group Comments Home directory location Shell ( execute when user logs in ) the format of the "/etc/passwd" : userName : password : UID : GID : comments : home_directory : shell ( example : joe:x:1000:1000:Joe Henderson:/home/joe:/bin/bash ) in this example of the root account : root:x:0:0:root:/root:/bin/bash ( x : encrypted ...

Analyse Mathematique (Matrices)

The Applications of Matrices ; MajorPrep Equation → Matrice Addition matricielle : (nombre) 2 x Matrice : Multiplication (2x2) : Matrice x Matrice : ( avec calculatrice ) Remarque: Dans la multiplication des matrices : A*B ≠ B*A * Determinant d'une matrice . * Methode de cramer : ( on place B dans A ) . Direct : Gauss + LU Indirect : Jacobi + Gauss Seidel * Methode de Gauss . * Methode de LU : Methode 1 : Methode 1 : LU Methode 2 : Methode 2 : LU Methode 3 : Methode 3 : LU Video 2 ( LU , methode3) A * X = B L * U * X = B ↛ L * Y = B ↛ U * X = Y ______________________________________ |aii|》 £ j=1 ..n |aij| => A est a diagonale strict dominant. => X^k. converge. Analyse numérique (Pagora 1A) _ Résolution de systèmes linéaires Ja...

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DHCP Configuration (CISCO CCNA)

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