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How to install tomcat 6 on the linux server ?

When you have installed tomcat by using Easy-Apache then  it installed Tomcat 5.5 and if you want to installed Tomcat 6.0 then you need to made some necessary changes on the server.

1) First install  Tomcat 5  by using Easy-Apache means java is also installed at the time of Easy-Apache.

The tomcat 5 is installed in “/usr/local/jakarta/” directory with the simlink “tomcat”

For Ex.
root@server [/]# cd /usr/local/jakarta
root@server [/usr/local/jakarta] ll
drwxr-xr-x  3 tomcat nobody     4096 Oct 12 21:36 apache-tomcat-5.5.28/
lrwxrwxrwx  1 root   root         40 Oct 12 19:51 tomcat -> /usr/local/jakarta/apache-tomcat-5.5.28/

2)  Then download  and extract Tomcat 6 in /usr/local/jakarta directory

root@server [/]# cd /usr/local/jakarta
root@server [/usr/local/jakarta]# wget http://mirror.olnevhost.net/pub/apache//tomcat/tomcat-6/v6.0.29/bin/apache-tomcat-6.0.29.tar.gz
root@server [/usr/local/jakarta]# tar -xzvf  apache-tomcat-6.0.29.tar.gz

3) Then Change the tomcat symbolic link to point to your new version (i.e. /usr/local/jakarta/apache-tomcat-6.0.29)

root@server [/usr/local/jakarta]# ln -s /usr/local/jakarta/apache-tomcat-6.0.29    tomcat

Now it shows

root@server [/usr/local/jakarta]# ll

drwxr-xr-x  3 tomcat nobody     4096 Oct 12 21:36 apache-tomcat-5.5.28/
drwxr-xr-x  3 tomcat nobody     4096 Oct 12 21:36 apache-tomcat-6.0.29
lrwxrwxrwx  1 root   root          40 Oct 12 19:51 tomcat -> /usr/local/jakarta/apache-tomcat-6.0.29/

4) Then compile the new tomcat version on cPanel server.

root@server [/]# cd /usr/local/jakarta/apache-tomcat-6.0.29

root@server [/]## cd bin
root@server [/]#  tar xvfz jsvc.tar.gz
root@server [/]#  cd jsvc-src
root@server [/]#  chmod +x configure
root@server [/]#  /configure
root@server [/]# make
root@server [/]#  cp jsvc ..
root@server [/]#  cd ..

5) Then you need to copy all the domain entry from old server.xml file to new server.xml file

6) copy over conf/workers.properties from the old Tomcat install to the new Tomcat install

7) Restart the tomcat
root@server [/]# /usr/local/jakarta/tomcat/bin/shutdown.sh
root@server [/]# /usr/local/jakarta/tomcat/bin/startup.sh

8 ) Then restart the Apache
root@server [/]#  /etc/init.d/httpd restart

9) Check Tomcat Version

root@server [/]# sh /usr/local/jakarta/tomcat/bin/version.sh

Done

Note :  If you want to back to your old tomcat version then  only change the symbolic link from new tomcat version to your old tomcat version directory.

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