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Issue 28 - July/ 2012

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Issue 28 - July/ 2012

l ; Content Service Switch k

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Issue 28 - July/ 2012

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Issue 28 - July/ 2012

Issue 17

Magazine

I Netw rkSet

First Arabic Magazine For Networks

Magazine

NetWftrkSet

<-!T!RK_ VC'JR CHOICE

Cisco Systems #

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Cisco Extreme

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Migration or update ?
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Bidirectional Forwarding Detection (8FD)

29

® NetworkSet

■I II II III
EGYPT

ii inn ran mi

Issue 28 - July/ 2012

introduction to scripts

^ic, i r% \ i a ; v i ^o^£_j ^jlII Commands jjqI^I ^J-c L jLqXcJ Jj^ 9^ u ^ vjj cr°

task clLlSjo cLQg q_> ^LlSJJ (jLjL^^fl jh9 i cL^-Lq oqj^j-qJI cL^jlLLII ^1 ^ j ^T^> J-LS-iiilJI ^olibJ

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$ if test "$LOGNAME" = root

> then echo Hello System Administrator

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30

® NetworkSet

Issue 28 - July/ 2012

:^JJj Cr Lc JLLq

This script is for adding user #

Useradd Ahmed # this command to add user called Ahmed

#!/usr/bin/bash
# this script to check the exsitence of the user

echo " enter the nane of the user you want to check "
read xl # here we add the value of the user
if ["cat yetc/passwd | grep -w | wc -1 " -eq

if ["cat /etc/passwd j grep -w "$xl" J wc -I " -eq "1" ]
then

echo " the user 5x1 is on the system" # executed if it is true condoition
else

echo " the user Sxl is not on the system " #executed if condition is false

echo " the script is finished" # the ei

the script

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: script JjL^iiU 2LJHJI £ >laJI ^1 ^Ll j

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p ^...i u -^j«». Echo $LOG NAME

Suq.a^jl^JI JAn ^jc. pjSj Echo $SHELL

31

® NetworkSet

Issue 28 - July/ 2012

echo j*V jj (V) JiS

Read command - 2

input l^L ail ^1 «keyboard» ^lljUloJI J Mi, ^ input command o^Ij tiiLS^fl l-iIcI

:^JJj Jllo

Ls /export/home

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jjJoi^ ^? LdJjJ ^qUa'UI ^JJ LiLua-Luj ^jJI p.^?..^n ^? ^Li foUAjJI ^Jj «user

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/bin/bash

# this script is to add a user to the systen
echo "enter the nane of the user" # here this lessage will appeared
read x # here the user will enter the mm of the user and save it in x
useradd -n -d /export/hone/Sx N $x" #here the systei will add the user

32

Issue 28 - July/ 2012

Test command - 3

xyz (jl^ IjI jUi^I ^: u - Mi^ ^1 ^ ^1 read permission oujJ LLoJI ^LS IjI test ^Joi^ j^jI
^jJI ^^^idl <jL£ Lo IjI check ii^ ^IjjLLujL ^LiLi file or directory ^ s jUc

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test 2Jl^ cr^ SLoj^JI^ 0:255 <>ljLo ^nll ggl >□ Li^ 4 y>\ yi\ nfnl ^ £5>iJI ^1 Status

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«f=file and d=directory» JAx> <>c ojL^^ etc/passwd/ Test -f /etc/passwd -2

,ol

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&\ loop JIq^TmiI (onni J. & 9 cjlLo_l£ Lq ^lc test

33

&NetworkSet

Issue 28 - July/ 2012

' *4

I file systems JSJ SllSI jjq 5 I monitoring ^LjLo 3 j;;<n -a.^.^^u ^Uo. ^

dUjQ lIjLjLjJI (jh9> ^nlQl ^QJfil l±LjLo cU^LlUQ <JjQ 100/ ^J] ^OlfrJ^J (J-^S l^j l±LjjJ

^« >5l o^l^ J-l*^UI ,oU^j cr Lc ^ J£ lib aJ scheduling ^

This is script is to list the file systems that exceed 90% of its size and # reach *r
.100% of its size

This script is made by Eng. Ahmed Hikal #
Mail : Eng.hikall3@yahoo.com #

«echo « this script will let you know the file systems near 100%
touch /filexyzfilelfile2
df -h > /filexyzfilelfile2

N xl= N cat /filexyzfilelfile2 | grep -w [9] [012345] | wc -1
«echo «you have $xl file systems use 90% to 95% of thier space
«echo « these file system are the following
[cat /filexyzfilelfile2 | grep -w [9] [012345

N x2= N cat /filexyzfilelfie2 | grep -w 100% | wc -1

«echo «you have $x2 file system that reach 100% of their space
cat /filexyzfilelfile2 | grep -w 100%
rm /filexyzfilelfile2

34

Issue 28 - July/ 2012

Switch Port Analyzer

SPAN

o 111 i oil j^U

naderelmansi@gmail.com

PI II II III

EGYPT

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Wi^at goes in one port...

Source Span
ports

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Port

...goes out all ports

35

Issue 28 - July/ 2012

Reflector Port

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37

&NetworkSet

Issue 28 - July/ 2012

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39

Issue 28 - July/ 2012

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Issue 28 - July/ 2012

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Issue 28 - July/ 2012

File Viruses - 2

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Issue 28 - July/ 2012

File Overwriting Viruses - 5

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Issue 28 - July/ 2012

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46

Issue 28 - July/ 2012

VCAP-DCA
VMware Certified Advanced
Professional - Datacenter
Administration

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47

Issue 28 - July/ 2012

Be a VMware Certified Professional ( VCP4)

Pass the VCAP - Datacenter Administration Exam.

Pass the VCAP - Datacenter Design Exam.

Submit a VCDX4 Application that is accepted

VCAP4-DCD
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48

Issue 28 - July/ 2012

VCP5-DT

VMware Certified Professional 5 - Desktop

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49