SmileFace
与java一起走过的日子
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I am trying to run wireshark in linux using sudo, but was told: i am not in the sudoer files. So I must edit this file to add my own user into this file. Steps as follows:

1. su to root:  su-
 2. open sudoers:  visudo /etc/sudoers
3. add my user name:  testuser ALL=(ALL) NOPASSWD:ALL
    This lines means that the user "testuser" can execute from ALL terminals, acting as ALL (any) users, and run ALL (any) command.

The detail is in paper:  http://www.go2linux.org/sudoers-how-to






posted @ 2009-08-28 04:28 SmileFace 阅读(224) | 评论 (0)编辑 收藏
In order to supports internationalization (I18N), on Tomcat some additional configuration is necessary. You must
ensure that Tomcat's URI encoding is set to UTF-8. You can do this by editing the Tomcat configuration file
conf/server.xml and adding URIEncoding=”UTF-8” to each connector element, as shown below:

<Connector port="8080"
maxThreads="150" minSpareThreads="25" maxSpareThreads="75"
enableLookups="false" redirectPort="8443" debug="0"
acceptCount="100" connectionTimeout="20000"
disableUploadTimeout="true"
URIEncoding="UTF-8" />

And make sure you do this for every connectort.
posted @ 2009-08-20 13:45 SmileFace 阅读(273) | 评论 (0)编辑 收藏
I planned to install Roller in my centOS which need tomcat6. But centos5.3 has tomcat5 in it's yum. So I have to install tomcat6 using other way. I searched and found this good install guide in:
     http://cloudservers.mosso.com/index.php/CentOS_-_Tomcat_6 ( or http://de0ris.blogspot.com/2008/08/installing-tomcat-6x-on-centos-5.html )
which give detail instructions. I choose some important part and paste here in case for late use.

1.  install appache ant:  (note: download and put the tar file in /usr/share first )
   tar -xzf apache-ant-1.7.1-bin.tar.gz



2. install tomcat:(note: download and put the tar file in /usr/share first )



tar -xzf apache-tomcat-6.0.18.tar.gz

3.  create a symbolic link for Ant so other applications can easily find it. Be sure to select the correct version when you create your link.
ln -s /usr/share/apache-ant-1.7.1/bin/ant /usr/bin

4. set JAVA_HOME:
cd /usr/share/apache-tomcat-6.0.18/bin

vi catalina.sh

enter insert mode. Enter the following:

JAVA_HOME=/usr/java/jdk1.6.0_14

Test:
cd /usr/share/apache-tomcat-6.0.18/bin

./startup.sh

5.Automating atartup:   Right now Tomcat will not start up on it's own so we need to create a startup script for this. To do this:
cd /etc/init.d

vi tomcat

Press i to enter insert mode and paste in the following:

#!/bin/bash

# chkconfig: 234 20 80

# description: Tomcat Server basic start/shutdown script

# processname: tomcat

JAVA_HOME=/usr/java/jdk1.6.0_14

export JAVA_HOME

TOMCAT_HOME=/usr/share/apache-tomcat-6.0.18/bin

START_TOMCAT=/usr/share/apache-tomcat-6.0.18/bin/startup.sh

STOP_TOMCAT=/usr/share/apache-tomcat-6.0.18/bin/shutdown.sh

start() {

echo -n "Starting tomcat: "

cd $TOMCAT_HOME

${START_TOMCAT}

echo "done."

}

stop() {

echo -n "Shutting down tomcat: "

cd $TOMCAT_HOME

${STOP_TOMCAT}

echo "done."

}

case "$1" in

start)

start

;;

stop)

stop

;;

restart)

stop

sleep 10

start

;;

*)

echo "Usage: $0 {start|stop|restart}"

esac

exit 0

Be sure to change the following items in the above file:

* JAVA_HOME path

* TOMCAT_HOME path

* START_TOMCAT path

* STOP_TOMCAT path

Once you have those changes made, save the file and quit.

Now we need to change the permissions on the file.

chmod 755 tomcat

We need to set the script to start with other system services and set the runlevels.

chkconfig --add tomcat

chkconfig --level 234 tomcat on

You can verify that it is listed by typing chkconfig --list tomcat.

tomcat         	0:off	1:off	2:on	3:on	4:on	5:off	6:off

Test your shutdown and startup script.

sudo /sbin/service tomcat stop

sudo /sbin/service tomcat start

Tomcat 6 should now be installed under CentOS.

    



posted @ 2009-08-20 13:12 SmileFace 阅读(695) | 评论 (0)编辑 收藏
1.Agile model driven development(AMDD): focus on model

2.Extreme programmning: focus on full development life cycle.

3.Jconsole: c:\program files\java\jdk1.6.0_14\bin\jconsole, which could dectect the memory issue, class loading, garbage collection...
posted @ 2009-08-20 01:43 SmileFace 阅读(119) | 评论 (0)编辑 收藏

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