[Deploying Sakai] error running sakai with tomcat

[Ijlal EL HAZITI]

Good afternoon
 So as to install sakai I followed steps listed in that guide:
https://confluence.sakaiproject.org/display/BOOT/Development+Environment+Setup+Walkthrough

when I wanted to run sakai with:
//localhost:8080/portal

I've got that error:

Etat HTTP 404 - /sakai-src
------------------------------

*type* Rapport d''état

*message* */sakai-src*

*description* The requested resource (/portal) is not available.
------------------------------
Apache Tomcat/7.0.29
I've installed the connector using:

yum install mysql-connector-java
ln -s /usr/share/java/mysql-connector-java.jar /opt/tomcat/lib/

and added

    "auto.ddl=true"

to sakai.properties.

whereis tomcat           =====> /opt/
whereis sakai.properties =====> /opt/tomcat/sakai
whereis sakai-src        =====> /opt/subversion

It seems like tomcat and sakai aren't connected. Can anyone tell me
where is the problem.??

Cheers
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